Intermediate Software Developer - Hybrid/Secret Cleared Ottawa West, Canada | Posted on 03/18/2026
Intermediate Software Developer - Hybrid/Secret Cleared 90-110k

About the Opportunity

The Source Staffing is supporting a leading Canadiandefence technology organization in hiring an Intermediate Software Developer/ Engineer to join a mission-critical program supporting the Departmentof National Defence (DND) .

This role is ideal for Secret cleared developersin the Ottawa region who are looking to apply their skills to operationallyrelevant systems used by the Canadian Armed Forces, specifically LC4ISR .You’ll be contributing directly to tactical command-and-control capabilities ina highly collaborative, Agile delivery environment.

Why This Role Stands Out

Workon active DND programs with real operational impact

Joinan internal team deeply embedded in Canada’s defence and securityecosystem

Stable,long-term program work (not short-term project churn)

Collaboratewith company colleagues; experienced engineers, CAF stakeholders, andsystem integrators

The Role

You will contribute to the design, development, andintegration of tactical software applications , ensuring they meet theperformance, reliability, and security requirements expected in defenceenvironments.

This is a hands-on development role with exposure tosystem-level thinking, integration challenges, and real-world deploymentconsiderations.

Key Responsibilities

Design,develop, and enhance software systems within an LC4ISR framework

Supportsystem integration, verification, and validation activities

Analyzeand resolve system-level issues, including performance andinteroperability challenges

Collaboratewith internal teams and external stakeholders to ensure system reliabilityand maintainability





Conducttechnical investigations into third-party software and integrations

Reviewand contribute to technical documentation (interfaces, components,specifications)

Supportintegration testing and evaluation activities in controlled environments

Contributewithin a Secure Agile delivery model

Requirements Required Qualifications

Must-Have

Active SECRET security clearance (mandatory – must be valid and transferable)

Minimum 5 years of software development experience

Strongproficiency in Java

Experienceworking in secure or regulated environments (defence, publicsector, or similar)

Solidunderstanding of software architecture, integration, and debugging

Assets

Experiencewith Kotlin and/or Android development

Workingknowledge of C#

Familiaritywith MVVM architecture

Front-endexperience with Vue.js or similar frameworks

Exposureto SQLite, Liquibase , or similar data tools

Exposureto NATO standards or STANAG 4586

Previouswork on command-and-control (C2) systems or defence-relatedplatforms

Education

Degreein Computer Science, Engineering, IT , or related field

Equivalenthands-on experience in defence or secure environments will be considered

Core Competencies

Strongproblem-solving and analytical thinking

Abilityto work effectively in cleared, multi-stakeholder environments

Clearand professional communication skills

Experiencewith automation, monitoring, and secure development practices

Basedin Kanata, ON , Hybrid, 4 days on-site (might be some flex here,maybe)

Collaborationwith internal colleagues, government, military, and contractor teams

How to Apply

If you are a SECRET-cleared software developer in theOttawa area looking for meaningful, long-term work in the defence space, weencourage you to apply.

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📌 Intermediate Software Developer - Hybrid/Secret Cleared (Quebec City)
🏢 The Source Staffing
📍 Quebec City