Intermediate Software Developer - Hybrid/Secret Cleared Ottawa West, Canada | Posted on 03/18/2026 Intermediate Software Developer - Hybrid/Secret Cleared 90-110kAbout 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 impactJoinan 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 frameworkSupportsystem integration, verification, and validation activitiesAnalyzeand resolve system-level issues, including performance andinteroperability challengesCollaboratewith internal teams and external stakeholders to ensure system reliabilityand maintainabilityConducttechnical investigations into third-party software and integrationsReviewand contribute to technical documentation (interfaces, components,specifications)Supportintegration testing and evaluation activities in controlled environmentsContributewithin a SAFe 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 frameworksExposureto SQLite, Liquibase , or similar data toolsExposureto NATO standards or STANAG 4586 Previouswork on command-and-control (C2) systems or defence-relatedplatforms Education Degreein Computer Science, Engineering, IT , or related fieldEquivalenthands-on experience in defence or secure environments will be considered Core Competencies Strongproblem-solving and analytical thinkingAbilityto work effectively in cleared, multi-stakeholder environments Clearand professional communication skillsExperiencewith 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. #J-18808-Ljbffr