Hire Me: Difference between revisions

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This is my current resume / CV.
Hello!


== Objective ==
I am a senior Linux administrator with {{#expr: floor( {{CURRENTYEAR}} - 2006) }}+ years of experience managing Linux systems including HPC, cloud, and on‑prem Linux desktop and server infrastructure. My recent experience has proven my expertise in automating large‑scale environments to support scientific research, teaching & learning, and enterprise workloads, as well as custom solutions for metrics gathering and report generation. I am adept at translating business needs into reliable, scalable solutions while mentoring teams and driving process improvements.
To fully apply my experience and provide the best possible technical support to colleagues while challenging myself with new concepts and methodologies to further my journey in IT with a focus on server administration.


== Relevant Skills ==
== Core competencies ==
* '''Operating systems''': {{#expr: floor( {{CURRENTYEAR}} - 2006) }}+ years of server experience with Red Hat-based OSes (CentOS, Rocky Linux, Fedora), Debian, Ubuntu. Experience with Solaris and FreeBSD
* '''Automation & configuration''': Ansible, Terraform, Packer, SaltStack, Puppet, GitLab CI/CD
* '''Container Platforms''': Docker, Kubernetes, Apptainer
* '''Cloud & Virtualization''': AWS, OCI, VMware vSphere/Automation, Proxmox, CloudStack
* '''Programming & Scripting''': Bash, PowerShell, Python, Java, C#, PHP, C
* '''Databases''': MySQL, MariaDB, PostgreSQL, SQLite, InfluxDB / Flux, ElasticSearch
* '''Monitoring''': Grafana, InfluxDB, Telegraf, ELK stack
* '''Networking''': HP and Cisco switches, software firewalls, NAS systems
* '''Security''': Kerberos, LDAP, PAM, PKI, log‑based threat hunting, network packet analysis
* '''Hardware Platforms''': x86_64, ARM64, Sun, Dell, HP, IBM Tape Library (TS4500)


=== OPERATING SYSTEMS ===
== Professional experience ==
* {{#expr: floor( {{CURRENTYEAR}} - 2006) }}+ years of server experience with Linux (Primarily Red Hat-based, CentOS, Fedora)
=== HPC System Administrator - University of Calgary (December 2019 - Present) ===
* {{#expr: floor( {{CURRENTYEAR}} - 2005) }}+ years of desktop support experience with Windows
One of three lead administrators of HPC resources at Research Computing Services (RCS). Tasked with the successful transition of the 1PB+ GPFS/Tape storage system at the Centre for Health Genomics and Informatics (CHGI) at the Cumming School of Medicine (CSM) into RCS's service offering. Streamlined over 1000 HPC cluster nodes to Ansible, automated account vending, and implemented a robust metrics collection and reporting system.
* Past experience with Solaris and FreeBSD


=== NETWORKING ===
Major accomplishments include:
* Understandings key concepts of network protocols (TCP/IP, IP Routing, VLAN, etc.)
* Transitioned our HPC cluster of over 1000+ nodes to Ansible and automated configuration deployments and leveraging CI/CD pipelines to automate account provisioning and systems configuration.
* Familiar with physical network maintenance, software firewalls (IPTables), NAS appliances
* Automated HPC cluster usage report generation from various sources (hardware sensors, servers, network gear) into InfluxDB and visualize CPU, memory, storage usage by users, department, and faculty with Grafana to drive proactive capacity planning.
* Past experience with HP and Cisco switches
* Developed custom log-parsing scripts to ingest Slurm jobs, system metrics, and audit logs for reports, alerting, and governance reporting.
* Created RCS's Open OnDemand portal and containerized scientific apps, improving user productivity and easing the learning curve for users new to HPC.
* Implemented and maintained CloudStack as a private cloud solution and authored training materials and one-on-one workshops with researchers.
* Facilitated researchers into RCS managed AWS Control Tower environment while ensuring institutional security compliance and governance


=== SERVICES AND SOFTWARE ===
=== Infrastructure Automation & Containers Specialist - University of Calgary (December 2018 - December 2019) ===
* Containers: Docker, Docker Swarm, Kubernetes
Part of a newly created team tasked with spearheading the University's first internal Kubernetes as a service platform and VMware vRealize Automation pipeline for delivering virtual machines for secure research workloads.
* Configuration Tools: SaltStack, Puppet, CFEngine
* Services: HTTP/HTTPS (Apache 2, nodejs), SMTP (Sendmail, Postfix), POP/IMAP (Dovecot), DNS (Bind), DHCP, NFS, NTP, FTP, PXE/TFTP, Samba, Active Directory/LDAP
* Products: VMware vSphere, OpenStack, TheForeman, Red Hat Satellite 6, GitLab, ZFS, EFK/ELK (ElasticSearch, Logstash/Fluentd, Kibana)


=== SECURITY ===
Achievements include:
* Experience with setting up and using Kerberos and LDAP authentication
* Ensured the smooth operation of 8 CoreOS Tectonic Kubernetes clusters while coordinating internal web team’s transition into our in-house Kubernetes infrastructure
* Can perform security analysis via log processing, packet analysis, tcpdump, and penetration testing
 
=== WEB ===
* {{#expr: floor( {{CURRENTYEAR}} - 2008) }}+ years configuring and deploying applications under the LAMP stack
* Customize templates for MediaWiki, WordPress, Drupal, WHMCS, Kayako Support Suite
* Experience with installing and administering cPanel/WHM, Plesk, SolusVM, HyperVM, Webmin
 
=== PROGRAMMING ===
* Coding: Java, C#, PHP, Python, HTML + CSS, Javascript (AngularJS, jQuery, nodejs), C, C++
* Scripting: bash/sh/sed/awk, Perl, Powershell
* Database: MySQL/MariaDB, SQLite, PostgreSQL
* Debug: C, C++, gdb, strace
 
=== HARDWARE ===
* Experience with x86/x86_64/ARM64 Hardware
* Past experience with server and workstation hardware from Sun, Dell, and HP
 
== Education ==
* Bachelor of Science in Computer Science, University of Calgary
** August 2007 - May 2011
** Notable courses: CPSC 550; System Administration with Darcy Grant, Wayne Pearson (2010 – 2011)
* Red Hat Satellite 6 Training
** Completed August 2018
* VMware vSphere 6.7
** Completed January 2019
* VMware vRealize Automation 6.5
** Completed January 2019
 
== Work History ==
=== Infrastructure Automation & Containers Specialist - University of Calgary ===
December 2018 - Current, http://ucalgary.ca/it
 
I am part of a newly created team of two tasked with creating a new infrastructure automation system using VMware vRealize Automation as well as creating a managed on-site Kubernetes as a service solution for the University of Calgary.  Due to the early stage of both infrastructure automation and Kubernetes as a Service projects, my tasks revolved around requirements gathering, solution testing, and ensuring compatibility with the University's existing infrastructure.
 
Over the last year, I played a crucial part in:
* Ensured the smooth operating of around 8 CoreOS Tectonic Kubernetes clusters
* Evaluated Pivotal Enterprise PKS and Red Hat OpenShift as a new managed Kubernetes solution
* Evaluated Pivotal Enterprise PKS and Red Hat OpenShift as a new managed Kubernetes solution
* Coordinated with our internal web team to transition the University's websites onto our Kubernetes infrastructure
* Built and migrated custom applications into a containerized environment using Helm charts
* Built and migrated applications into a containerized environment
* Automated VM deployments on the University's private cloud with VMware vRealize, enabling zero-touch VM provisioning from ServiceNow and integration with Red Hat Satellite
* Automated VM deployments on our private cloud
* Authored change-management documentation compliant with ITIL and IT policies, ensuring audit readiness
* Automated Linux deployments with VMware vRealize Automation and VMware vRealize Orchestrator with integration to Red Hat Satellite 6
 
=== Technical Systems Analyst for Linux Desktop - University of Calgary ===
July 2018 - November 2018, http://ucalgary.ca/it
 
I was a Linux systems analyst under the Customer Technology Standards group tasked with designing and building a standardized Linux desktop environment for the University of Calgary. This position required transitioning and unifying the disparate Linux desktop infrastructures across various departments into a single standardized solution managed by central IT.


Over a period of a few short months, I successfully:
=== Technical Systems Analyst for Linux Desktop - University of Calgary (July 2018 - November 2018) ===
* Deployed TheForeman, an open source alternative to Red Hat Satellite, for unattended Linux deployments supporting Fedora & Kali Linux on both Intel and ARM based computers
I spearheaded the standardized Linux desktop environment for the Customer Technology Services (CTS) group at the University of Calgary. Building on my experience from the Computer Science department, I transitioned and unified disparate Linux desktop infrastructures across various departments into a single standardized solution managed by central IT.
* Wrote and integrated Puppet manifests with TheForeman for desired state configuration on all hosts
* Deployed Foreman, an open-source alternative to Red Hat Satellite, for unattended Linux deployments supporting Fedora & Kali Linux on both Intel and ARM based computers. Used by over 250+ Linux workstations for the Department of Computer Science
* Deployed infrastructure as code and CI/CD pipeline based on Puppet and GitLab for automated configuration management
* Created and updated custom Linux based packages used by teaching and research
* Created and updated custom Linux based packages used by teaching and research
* Deployed 250+ Linux workstations for the Department of Computer Science
* Consulted with faculty members to ensure software requirements required for teaching are met
* Consulted with faculty members to ensure software requirements required for teaching are met
* Created support materials on the new deployment system for technical staff in Computer Science
* Authored support materials for technical staff in Computer Science
 
=== Linux System Administrator - University of Calgary ===
October 2013 - July 2018, Full Time, http://ucalgary.ca/cpsc
 
I was a Linux system administrator that oversaw over 400 Linux-based servers and workstations for the department of Computer Science at the University of Calgary.
 
My primary tasks were to provide a consistent and reliable computing environment for research and teaching by supporting all Linux-based servers and workstations along with their applications and services. I was also primarily responsible for the proper function and operation of the department's firewall and intrusion detection system.


Secondary tasks include:
=== Linux System Administrator - University of Calgary (October 2012 - July 2018) ===
* Providing tier 2-3 support (via desk-side, phone, email, help desk) for faculty, staff, and students, including Windows and MacOS support
I was a Linux system administrator that oversaw over 400 Linux-based servers and workstations for the department of Computer Science at the University of Calgary. I ensured that all teaching and learning needs were met with a consistent and reliable computing environment while providing end-user support for faculty, staff, and students within the department.
* Testing and applying updates to servers and services every month
* Monitoring, maintaining, and configuring hardware for desktops, servers, and switches
* Deploying new servers and workstations and disposing or relocating old computers as required
* Ensuring public infrastructure services are up to date and operational, including mirror.cpsc.ucalgary.ca, CPSC's public NTP servers, and one of four DNS nameservers for the University.
* Maintaining and updating a private package repository, including creating custom packages for servers and workstations
* Maintain proper support documentation and end-user guides on services
* Consulting with faculty members to ensure software requirements for teaching are met
* Ensuring labs are using an updated and fully patched distribution every year


Other achievements that I am proud of are:
* Spearheaded a rewrite of the departmental firewall and intrusion detection system. Firewall rules were parsed and pattern matching was deployed to block malicious traffic patterns from reaching the department network
* Integrated Linux workstations and servers with Windows Active Directory to streamline authentication
* Modernized over 400 machines from an aging CFEngine configuration management system to SaltStack, simplifying systems provisioning and account management
* Developed many in-house applications that are used by the Faculty of Science including:
* Enabled visibility into lab usage with custom machine telemetry data, integrated automatic data polling of student data and courses from the IT data warehouse, and data dashboards
** PokeAPI - A RESTful API that facades data from multiple sources including LDAP, data warehouse, databases, and file servers
** User Telemetry - A set of tools to gather computer usage in our undergraduate labs on both Windows and Linux
** Displays - A web-based tool for managing contents for digital signage across the Faculty of Science powered by a combination of embedded devices and computers
** The CPSC Guide - A GUI tool that helps students do common tasks rather than through the command line
** CS Agreement - A Windows/Linux application that allows students to agree to an AUP before being allowed to use our computers
* Created an automated build system for workstations and servers to automatically deploy machines through PXE and automatically configures its DNS and DHCP configuration
* Deployed Logstash + ElasticSearch for internal logging of both Windows and Linux servers and workstations
* Deployed Logstash + ElasticSearch for internal logging of both Windows and Linux servers and workstations
* Installed and maintained services for teaching and research including WebCAT, OwnCloud, Moodle, cPanel+CloudOS, VMware ESXi
* Converted applications on dedicated servers into containerized solutions, reducing server count by half and ensuring new teaching and research apps are supported, including WebCAT, OwnCloud, Moodle.
* Replaced an aging CFEngine automated configuration tool with Salt Stack
* Authored support documentation and end-user guides with a focus on undergraduate student experience
* Rolled out ZFS file servers on undergraduate servers, enabling self-served file restore through snapshots
* Consolidated multiple servers and services into Docker containers
* Rebuilt the Raspberry Pi lab, reducing the amount of lost parts and clutter in the lab.
 
Recognition:
* My team and I received the Faculty of Science innovation and Change Award of Excellence on May 2015.
 
=== C# Developer - Onstream Pipeline Inspection Ltd. ===
May 2011 – September 2013, Full Time, http://onstream-pipeline.com/


=== C# Developer - Onstream Pipeline Inspection Ltd. (2011 - 2012) ===
I was one of two C# developers at a pipeline inspection company, developing their new version of pipeline analysis software.
I was one of two C# developers at a pipeline inspection company, developing their new version of pipeline analysis software.
* Debugged existing in-house software written in Borland C++ on the Windows platform
* Debugged existing in-house software written in Borland C++ on Windows while working with low-level hardware interfaces with custom in-house pigs
* Low-level hardware interface with custom designed pigs
* Developed analysis software using C# .NET4 to visualize pipeline data
* Developed the next version of their analysis software from scratch using C# .NET4
 
=== Freelance Web Developer & Designer – Steamr ===
June 2005 – 2014, Freelance, http://steamr.com/
 
I am a freelance web designer and developer and provided clients primarily in North America with custom web designs and applications. I am responsible for ensuring projects are completed on-time, on-budget and satisfies client requirements.
 
A sample of my work can be found on my portfolio at: http://steamr.com/portfolio
 
Responsibilities:
* Consulted with clients for every project for budget, timeline and user requirements and delivered frequent deliverables and project updates.
* Created and deployed custom web designs from scratch using Adobe Photoshop, Illustrator, Notepad++, and half a dozen web browsers.
* Ensured all websites were optimal, standards compliant, cross-browser compatible, and search engine optimized (SEO) based on web analytics.
* Created and maintained over 20 projects under the LAMP stack, along with using PHP frameworks and libraries including: Kohana, CodeIgniter, FPDF, Smarty.
* Created over 40 individual websites from scratch for businesses and individuals.
* Customized design themes for WHMCS, SolusVM, Kayako Support Suite for hosting companies.
Related Work:
* Previous webmaster for nworks.ca, gtcomm.net, unmeteredserver.net, zenprotection.com
* Responsible for updating content and promotions while ensuring website correctly interfaces with the point of sale application.
* Developed an internal network management application for gtcomm.net in PHP utilizing MRTG. Abnormal network patterns will notify an administrator via email and SMS.
* Created a distributed network monitoring system based on Java, PHP and MySQL, which utilizes http and ping tests to determine the availability and latency of remote services. Results are then recorded and monthly reports generated.
* Designed the front-end of an in-house inventory system used by gtcomm.net used to track networking/server hardware along with managing available IP pools.
* Designed the front-end of an in-house project enabling end users to purchase and manage DDoS protection services by zenprotection.net.
 
 
=== Server Administrator - SwiftHost.net ===
January 2004 – May 2012, http://swifthost.net/
 
With a partner, I created a web hosting company, focusing on affordable shared and reseller hosting. Servers utilized were based on the LAMP stack along with the use of the cPanel control panel.


Responsibilities:
=== Freelance Web Developer & Designer – Steamr (2005 - 2015) ===
I was a freelance web designer and developer for over 20 clients across North America with custom web designs and applications. I was responsible for ensuring projects are completed on-time, on-budget and satisfies client requirements.
* Consulted with clients on requirements, budget, and timelines. Delivered frequent deliverables and project updates to ensure transparency
* Created and deployed custom web designs from scratch using Adobe Photoshop, Illustrator, Notepad++ while ensuring full compatibility across half a dozen web browsers
=== Server Administrator - SwiftHost.net (2004 - 2012) ===
Operated a web hosting company with a partner with a focus on affordable shared and reseller hosting. Servers utilized were based on the LAMP stack along with the use of the cPanel control panel.
* Managed production servers hosting over 400 individual websites
* Managed production servers hosting over 400 individual websites
* Responsible for responding to the majority of customer support tickets within 6 hours for issues under the technical, abuse and billing department.
* Responsible for responding to customer support tickets and provided technical support for a wide range of web applications
* Technical issues handled by me ranged from fixing simple permission issues to handling requests for specific software such as Apache/PHP modules, system libraries, and Caching / PHP Accelerators
* Performed security audits and server hardening, firewall and intrusion detection in a shared hosting environment
* Performed security audits and server hardening by disabling or restricting services, configuring the firewall, detecting compromised websites and spam control in a shared hosting environment.
=== AS/400 Night Operator - Calgary Programming Factory (2007) ===
* Configured weekly, network-based backups to an off-site location using cronjobs, rsync and shell scripts. Performed account or file specific restores from backups.
I worked as night operator as part of the AS/400 support team at the Calgary Programming Factory for The Sovereign General Insurance Company.
* Operated the tape backup system, ensuring backups are valid and without errors.
Projects:
* Operated the AS/400 system to print system logs and claim cheques
* Designed a custom billing solution for account management using PHP, MySQL and the PayPal API.
* Performed a feasibility study on moving existing projects based on JSP servlets to ASP.NET
* A status page which monitored and reported live server status information such as processor load, traffic load, service availability, memory usage to customers.
* Developed a custom web control panel, similar to cPanel, targeted to free hosting accounts. The control panel based on PHP, MySQL, Shell + Perl Scripts, enabled end users to manage their websites, domains and databases while automatically maintaining and enforcing disk and bandwidth quotas.


=== AS/400 Night Operator - Calgary Programming Factory ===
== Education & Training ==
May 2007 – July 2007, Part Time
* Bachelor of Science in Computer Science, University of Calgary, 2011
 
** Notable courses: CPSC 550; System Administration with Darcy Grant, Wayne Pearson (2010 – 2011)
I worked as night operator as part of the AS/400 support team at the Calgary Programming Factory for The Sovereign General Insurance Company as a summer job.
* Red Hat Satellite 6 Training
 
* VMware vSphere 6.7
Responsibilities:
* VMware vRealize Automation 6.5
* Operated the tape backup system, ensuring backups are valid and without errors.
* Operated the AS/400 system to print system logs and claim checks
* Ensured paper was loaded and aligned properly to the printers before printing
* Researched feasibility to migrate their existing projects based on JSP servlets to ASP.NET


== Personal ==
== Personal ==
* Canadian; Speaks English & Cantonese
* '''Languages''': English, Cantonese
* Interest in anything Linux related, System Infrastructure, Systems Security, Game Development
* '''Interests''': system infrastructure, systems security, game development, electronics & hardware tinkering

Latest revision as of 06:39, 6 December 2025

Hello!

I am a senior Linux administrator with 20+ years of experience managing Linux systems including HPC, cloud, and on‑prem Linux desktop and server infrastructure. My recent experience has proven my expertise in automating large‑scale environments to support scientific research, teaching & learning, and enterprise workloads, as well as custom solutions for metrics gathering and report generation. I am adept at translating business needs into reliable, scalable solutions while mentoring teams and driving process improvements.

Core competencies

  • Operating systems: 20+ years of server experience with Red Hat-based OSes (CentOS, Rocky Linux, Fedora), Debian, Ubuntu. Experience with Solaris and FreeBSD
  • Automation & configuration: Ansible, Terraform, Packer, SaltStack, Puppet, GitLab CI/CD
  • Container Platforms: Docker, Kubernetes, Apptainer
  • Cloud & Virtualization: AWS, OCI, VMware vSphere/Automation, Proxmox, CloudStack
  • Programming & Scripting: Bash, PowerShell, Python, Java, C#, PHP, C
  • Databases: MySQL, MariaDB, PostgreSQL, SQLite, InfluxDB / Flux, ElasticSearch
  • Monitoring: Grafana, InfluxDB, Telegraf, ELK stack
  • Networking: HP and Cisco switches, software firewalls, NAS systems
  • Security: Kerberos, LDAP, PAM, PKI, log‑based threat hunting, network packet analysis
  • Hardware Platforms: x86_64, ARM64, Sun, Dell, HP, IBM Tape Library (TS4500)

Professional experience

HPC System Administrator - University of Calgary (December 2019 - Present)

One of three lead administrators of HPC resources at Research Computing Services (RCS). Tasked with the successful transition of the 1PB+ GPFS/Tape storage system at the Centre for Health Genomics and Informatics (CHGI) at the Cumming School of Medicine (CSM) into RCS's service offering. Streamlined over 1000 HPC cluster nodes to Ansible, automated account vending, and implemented a robust metrics collection and reporting system.

Major accomplishments include:

  • Transitioned our HPC cluster of over 1000+ nodes to Ansible and automated configuration deployments and leveraging CI/CD pipelines to automate account provisioning and systems configuration.
  • Automated HPC cluster usage report generation from various sources (hardware sensors, servers, network gear) into InfluxDB and visualize CPU, memory, storage usage by users, department, and faculty with Grafana to drive proactive capacity planning.
  • Developed custom log-parsing scripts to ingest Slurm jobs, system metrics, and audit logs for reports, alerting, and governance reporting.
  • Created RCS's Open OnDemand portal and containerized scientific apps, improving user productivity and easing the learning curve for users new to HPC.
  • Implemented and maintained CloudStack as a private cloud solution and authored training materials and one-on-one workshops with researchers.
  • Facilitated researchers into RCS managed AWS Control Tower environment while ensuring institutional security compliance and governance

Infrastructure Automation & Containers Specialist - University of Calgary (December 2018 - December 2019)

Part of a newly created team tasked with spearheading the University's first internal Kubernetes as a service platform and VMware vRealize Automation pipeline for delivering virtual machines for secure research workloads.

Achievements include:

  • Ensured the smooth operation of 8 CoreOS Tectonic Kubernetes clusters while coordinating internal web team’s transition into our in-house Kubernetes infrastructure
  • Evaluated Pivotal Enterprise PKS and Red Hat OpenShift as a new managed Kubernetes solution
  • Built and migrated custom applications into a containerized environment using Helm charts
  • Automated VM deployments on the University's private cloud with VMware vRealize, enabling zero-touch VM provisioning from ServiceNow and integration with Red Hat Satellite
  • Authored change-management documentation compliant with ITIL and IT policies, ensuring audit readiness

Technical Systems Analyst for Linux Desktop - University of Calgary (July 2018 - November 2018)

I spearheaded the standardized Linux desktop environment for the Customer Technology Services (CTS) group at the University of Calgary. Building on my experience from the Computer Science department, I transitioned and unified disparate Linux desktop infrastructures across various departments into a single standardized solution managed by central IT.

  • Deployed Foreman, an open-source alternative to Red Hat Satellite, for unattended Linux deployments supporting Fedora & Kali Linux on both Intel and ARM based computers. Used by over 250+ Linux workstations for the Department of Computer Science
  • Deployed infrastructure as code and CI/CD pipeline based on Puppet and GitLab for automated configuration management
  • Created and updated custom Linux based packages used by teaching and research
  • Consulted with faculty members to ensure software requirements required for teaching are met
  • Authored support materials for technical staff in Computer Science

Linux System Administrator - University of Calgary (October 2012 - July 2018)

I was a Linux system administrator that oversaw over 400 Linux-based servers and workstations for the department of Computer Science at the University of Calgary. I ensured that all teaching and learning needs were met with a consistent and reliable computing environment while providing end-user support for faculty, staff, and students within the department.

  • Spearheaded a rewrite of the departmental firewall and intrusion detection system. Firewall rules were parsed and pattern matching was deployed to block malicious traffic patterns from reaching the department network
  • Modernized over 400 machines from an aging CFEngine configuration management system to SaltStack, simplifying systems provisioning and account management
  • Enabled visibility into lab usage with custom machine telemetry data, integrated automatic data polling of student data and courses from the IT data warehouse, and data dashboards
  • Deployed Logstash + ElasticSearch for internal logging of both Windows and Linux servers and workstations
  • Converted applications on dedicated servers into containerized solutions, reducing server count by half and ensuring new teaching and research apps are supported, including WebCAT, OwnCloud, Moodle.
  • Authored support documentation and end-user guides with a focus on undergraduate student experience

C# Developer - Onstream Pipeline Inspection Ltd. (2011 - 2012)

I was one of two C# developers at a pipeline inspection company, developing their new version of pipeline analysis software.

  • Debugged existing in-house software written in Borland C++ on Windows while working with low-level hardware interfaces with custom in-house pigs
  • Developed analysis software using C# .NET4 to visualize pipeline data

Freelance Web Developer & Designer – Steamr (2005 - 2015)

I was a freelance web designer and developer for over 20 clients across North America with custom web designs and applications. I was responsible for ensuring projects are completed on-time, on-budget and satisfies client requirements.

  • Consulted with clients on requirements, budget, and timelines. Delivered frequent deliverables and project updates to ensure transparency
  • Created and deployed custom web designs from scratch using Adobe Photoshop, Illustrator, Notepad++ while ensuring full compatibility across half a dozen web browsers

Server Administrator - SwiftHost.net (2004 - 2012)

Operated a web hosting company with a partner with a focus on affordable shared and reseller hosting. Servers utilized were based on the LAMP stack along with the use of the cPanel control panel.

  • Managed production servers hosting over 400 individual websites
  • Responsible for responding to customer support tickets and provided technical support for a wide range of web applications
  • Performed security audits and server hardening, firewall and intrusion detection in a shared hosting environment

AS/400 Night Operator - Calgary Programming Factory (2007)

I worked as night operator as part of the AS/400 support team at the Calgary Programming Factory for The Sovereign General Insurance Company.

  • Operated the tape backup system, ensuring backups are valid and without errors.
  • Operated the AS/400 system to print system logs and claim cheques
  • Performed a feasibility study on moving existing projects based on JSP servlets to ASP.NET

Education & Training

  • Bachelor of Science in Computer Science, University of Calgary, 2011
    • Notable courses: CPSC 550; System Administration with Darcy Grant, Wayne Pearson (2010 – 2011)
  • Red Hat Satellite 6 Training
  • VMware vSphere 6.7
  • VMware vRealize Automation 6.5

Personal

  • Languages: English, Cantonese
  • Interests: system infrastructure, systems security, game development, electronics & hardware tinkering