Silentium Defence is delivering world-leading passive radar and advanced sensing technology to support Defence, national security, and space domain awareness.
As we scale our engineering capability, we're expanding the Applications & Services Team — the software backbone that powers our operations.
The Opportunity
We're seeking a Senior Software Engineer who thrives in complexity, simplifies through architecture, and builds reliable internal systems that matter.
This role is a key technical leader responsible for designing, building, and maintaining the internal applications, integrations, and platform services that support research, trials, production, and delivery operations across Silentium.
You'll collaborate with cross-functional teams, set engineering standards, mentor others, and ensure our software foundations are scalable, maintainable, and operationally ready.
What You'll Do
Architect systems, data flows, and integration patternsBuild internal apps, APIs, automation tools, and integration workflows using NodeJS, Python, JavaScript & Linux servicesImprove code quality, documentation, testing, and operational readiness across the stackManage reliability, observability, and system support more proactively via tooling and automationCollaborate with Radar, Research, Production, Trials & Business teams to deliver fit-for-purpose solutionsMentor other engineers, improving capability and standards across the organisationIdentify and mitigate technical risks early, especially legacy, unclear requirements, and cross-team dependencies
Success Looks Like
Deliver stable, documented, and operationally ready systemsReduce friction and support load through tooling, automation, and better designRaise engineering standards via mentoring and technical leadershipSupport quarterly objectives and strategic initiatives (OKRs, NTOs, production)
What You Bring
Degree in Software Engineering, Computer Science,



Engineering or similar5+ years' professional software engineering experienceStrong architectural thinking and systems design abilityHigh proficiency in NodeJS, JavaScript, Python, and LinuxExcellent communication and stakeholder engagement skillsAbility to break complexity into simple, reliable, maintainable solutionsOwnership mindset and commitment to reliable, well-tested softwareLeadership qualities and willingness to mentor and unblock others
How You WorkYour behaviours matter as much as your code.
We're looking for engineers who:
Communicate early, clearly, and constructivelyMentor others and uplift team capabilityUse data to make decisionsDeliver end-to-end outcomes
Why Silentium Defence?
Here, your work contributes to real national capability, not just product features.
You will:
Work at the intersection of Defence, space, software, and advanced sensingSee your software drive real systems in trials, production, and deploymentInfluence architecture, standards, and engineering cultureGrow with a scaling company expanding into global markets
Application Eligibility:Due to the nature of our work within the Defence industry, applicants must be Australian Citizens and eligible to obtain and maintain a (NV1) level security clearance, only applicants who meet these mandatory requirements will be considered.
How to Apply:
Click "Apply Now" to submit your CV and cover letter outlining your suitability for this chance.please note applications submitted to us via email will not be progressed further for consideration)
For a confidential discussion, please contact: People & Culture by emailing: ******
Silentium Defence is an equal-opportunity employer that values diversity of thought, background, and experience.
We foster a respectful and collaborative workplace where every team member is encouraged to contribute to our shared mission.
Due to the nature of our work, applicants must be Australian citizens and eligible to obtain and maintain a Defence security clearance.
Recruitment Agency Disclaimer: Silentium Defence does not accept unsolicited resumes or candidate referrals, and we will not be responsible for any fees associated with unsolicited submissions.

📌 Senior Software Engineer (Adelaide)
🏢 Silentium Defence
📍 Adelaide