Senior Technical Architect Linux Systems & Cloud

We are seeking a Technical Architect with deep expertise in Linux systems cloud platforms and enterprise application environments to support Command-and-Control (C2) systems operating across both classified and cloud-based networks. This role will be responsible for system architecture platform modernization and operational sustainment of complex environments built on Liferay Oracle/PostgreSQL and Linux distributions. The successful candidate will play a key role in system migrations performance optimization and ensuring high availability in secure and mission-critical environments.

This is a proactive recruitment initiative with potential start dates in the coming weeks or months contingent on contract award.

Key Responsibilities

• Architecture & System Design
  • Develop and maintain end-to-end system architecture documentation for CV/UCV/MDTS environments
  • Define architecture across components including databases application frameworks middleware and infrastructure
  • Produce and maintain technical diagrams system documentation and Concept of Support artifacts
• System Administration & Operations
  • Install configure optimize and administer Linux-based systems (RHEL Alma Linux Ubuntu AIX UNIX)
  • Maintain system operations through daily verification monitoring and scheduled maintenance
  • Troubleshoot and resolve complex system and performance issues
• Migration & Modernization
  • Plan and execute system migrations including:
  • CV systems to updated Liferay RHEL/Alma Linux and PostgreSQL in classified environments
  • UCV systems to updated platforms in Azure or AWS cloud environments
  • Ensure minimal disruption and secure transition during upgrades and migrations
• Automation & Scripting
  • Develop and maintain Bash PowerShell and Python scripts to automate administrative and operational tasks
  • Improve operational efficiency through scripting and automation
• Database & Middleware Management
  • Support and optimize Oracle and PostgreSQL databases
  • Administer and support Liferay (Portal/DXP) Apache HTTPD and Tomcat environments
• Performance Backup & Recovery
  • Analyze system performance and implement corrective and optimization measures
  • Design and implement backup strategies and disaster recovery procedures (DRP)
  • Ensure system resilience and continuity in high-availability environments
• Governance & Knowledge Transfer
  • Support ITSM processes including Request for Change (RFC) documentation and approvals
  • Provide knowledge transfer and technical guidance to internal teams
  • Develop and maintain Standard Operating Procedures (SOPs)

Technical Environment

• Operating Systems: UNIX AIX RHEL Alma Linux Ubuntu
• Cloud & Identity: Azure AWS Entra ID
• Scripting: Bash PowerShell Python
• Databases: Oracle PostgreSQL
• Middleware / Applications: Liferay (Portal DXP) Apache HTTPD Tomcat
• Other: (supporting components) ITSM tools and processes

Qualifications :

• 5 years experience as a Technical Architect
• College diploma or University degree in Computer Science Engineering IT or related field
• Minimum 5 years of Linux administration experience within the last 10 years
• Experience designing and supporting complex multi-environment systems
• Strong experience with:
  • Linux server installation configuration and maintenance
  • System troubleshooting and performance optimization
  • Technical documentation and architecture design
• 510 years experience administering enterprise Linux environments (RHEL Alma Ubuntu)
• Experience with cloud platforms (Azure and/or AWS)
• Experience with Bash / PowerShell scripting for automation
• Experience supporting Oracle and PostgreSQL databases
• Familiarity with ITSM change management (RFC processes)
• Experience working in secure government or defence environments

Additional Information :

• Must currently hold or be eligible to obtain and maintain a Secret (Level II) Canadian Federal Government Security clearance.

If you require accommodations during any stage of the application or interview process please let us know. We are happy to work with you to meet your needs.

*Our recruitment systems include artificial intelligenceenabled tools; however AI is not used to screen evaluate or make decisions about applicants for this role.

*Unless otherwise stated all job postings reflect a current vacancy at the time of publication.

Work-Life Balance

We strongly support a healthy and productive work-life balance. This starts with a flexible approach to work and policies designed to support employees through their day-to-day routines and major life events. For example we offer a Maternity/Parental Top-Up (up to 52 weeks) and a Reservist Leave Top-Up (up to 180 days).

ADGA continuously strives to integrate advanced Diversity Equity & Inclusion (DEI) approaches and practices into our work culture. Our employee-based DEI Committee explores activities and invites discussions that foster an environment where all employees feel valued respected and heard.

Compensation

Above and beyond our commitment to offer a competitive base salary ADGA has a company-wide profit-sharing plan for all full-time and part-time employees.

Comprehensive Benefits and Total Rewards

We offer a comprehensive benefit program providing employees with the choice between base or enhanced plans. Depending on the plan ADGA pays for Health & Dental a Health Spending Account Short-Term Disability an Employee Assistance Program and a Telemedicine service. Also offered: discounts on gym memberships 5000 perks through Perkoplis a Deferred Profit Sharing Plan and access to a wide range of other employee-centric services and savings programs.

Remote Work :

No

Employment Type :

Contract

Experience: years
Vacancy: 1