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Senior Software Test Engineer

Job in Ottawa, Ontario, Canada
Listing for: DEFSEC Technologies Inc.
Full Time position
Listed on 2026-02-14
Job specializations:
  • Software Development
    Software Engineer, Senior Developer
Salary/Wage Range or Industry Benchmark: 125000 - 150000 CAD Yearly CAD 125000.00 150000.00 YEAR
Job Description & How to Apply Below

Job Title:

Senior Software Test Engineer – LC4

ISR ISTAR

Company Overview:

KWESST (a DEFSEC Technologies company) develops and delivers next generation military and public safety technology for military and first responder customers. The company is proudly Canadian and provides Dismounted/Mounted Domain Expertise in Command-and‑Control software development, integration, and support services.

Job Description:

DEFSEC Technologies is seeking a skilled Senior Software Test Engineer to join our LC4

ISR program. This role focuses on the verification and validation of software to ensure it functions as intended and integrates smoothly into the larger environment.

The Senior Software Test Engineer plays a critical role as part of the Engineering team responsible for the design, conduct, and reporting of IVVQ activities.

Please note that this role may involve significant office/lab work as well as working at client site(s).

Responsibilities:
  • Develop, and execute test plans, test cases, and test scenarios for WPF C# /.NET applications
  • Lead test strategy, test planning, and quality governance
  • Mentor and coach junior and mid‑level QA engineers
  • Perform functional, regression, integration, and system testing
  • Develop and maintain automated test scripts using frameworks such as Squish, Selenium
  • Test ASP.NET, Web APIs, and .NET applications.
  • Validate business requirements, UI behavior. Analyze requirements and contribute to the development of traceability matrices.
  • Solid understanding of software testing methodologies
  • Work with System Engineers in shaping the ambiguous requirements and updating the requirement repositories like DOORS, ETM
  • Raise and track software defects using tools like EWM, ETM
  • Collaborate with developers to debug issues and verify fixes
  • Provide Test Reports and status updates on test activities
  • Deploy methodologies (including metrics), tools/platforms necessary for test activities
  • Observe test guidelines and company internal processes
Minimum Qualifications
  • Previous experience with:
  • Test Case development and execution; manual test experience is preferred
  • Requirements Analysis
  • Test Management Tools
  • Demonstrated capabilities:
  • Leading test teams and providing guidance to junior team members
  • Skilled communicator, both written and spoken
  • Possession of an active Canadian Secret security clearance
  • Ability to obtain Controlled Goods clearances.
  • At least ten (10) years demonstrated experience in IV&V or a related field.
  • Bachelor’s degree in Computer Science, Computer Engineering, Computer Technology, or other STEM‑related discipline from a recognized university.
Preferred Qualifications
  • Demonstrated experience with test automation or test automation tools
  • Experience with Squish and Ansible test tools
  • Experience working with TAK integration is an asset
  • Demonstrated test experience in military Command and Control (C2) systems, and secure voice and data communication systems:
  • System of systems engineering and integration
  • Core network
  • Applications
  • Intelligence, Surveillance, Target acquisition, and Reconnaissance (ISTAR)
  • Experience handling and working on physical systems, products, or equipment
  • Executing Integration and/or leading Integration

    Activities:
  • Developing an Integration Strategy/Plan
  • Monitoring the Integration Activity
  • Providing reports and status updates
  • Security, Performance, and Stability testing
  • Script and Simulation tools development and maintenance
  • Experience with RTM and DOORS is an asset
How to Apply:

If you have a strong passion for technical writing and are eager to join the dynamic team at KWESST for this position, we invite you to submit your resume. Please make sure to emphasize your pertinent experience and any certifications you may hold.

KWESST (A DEFSEC Technologies company) is an equal opportunity employer and is committed to providing equal employment opportunities to all qualified individuals regardless of race, color, religion, sex, gender identity, sexual orientation, marital status, national origin, age, disability or any other protected status under applicable law. We celebrate diversity and are dedicated to creating a work environment that is inclusive and welcoming to all, including LGBTQ2S+ individuals.

Our hiring decisions are based on qualifications, merit, and business needs. In every step of the interview procedure, KWESST is committed to providing accommodations.

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Position Requirements
10+ Years work experience
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