C++ Software Engineer (Senior and Mid-level positions)

Did you get a degree in Software Engineering or Computer Science so you could:

• Develop serious applications that delight users?
• Work with and learn from other enthusiastic engineers?
• Use the best tools available?

But instead, have you found yourself stuck:

• Following tedious processes?
• Writing documents nobody reads?
• Working on legacy code nobody cares for?
• Sitting through endless meetings?
• Making fragile hacks to avoid breakage due to poor test coverage?
• Using outdated proprietary tools and libraries?
• Implementing someone else’s flawed design?
• Cleaning up after poor decisions made by non-technical managers?
• Being constantly interrupted?

At Acacia, we:

• Have a cohort of passionate and collaborative engineers.
• Do interesting, meaningful, and rewarding work.
• Value fresh ideas and innovation, regardless of seniority.
• Use an up-to-date Linux toolchain, including C++23.
• Maintain a clean, modern codebase.
• Take DevOps seriously.
• Deliver real sovereign capability to Australian Defence through high-quality software.

This is a rare opportunity to be part of a team of exceptional software engineers delivering innovative capability to Australian Defence.

What the role includes:

• Hands-on software engineering using modern C++23 and a clean, well-maintained codebase.
• Team leadership, including mentoring and coaching (for more senior roles).
• Close collaboration with Software Architects, Systems Engineers, and Testers.
• Ensuring quality through code reviews, pair programming, and day-to-day collaboration.
• Contributing to coding standards and driving uptake of new C++ language features.
• Supporting project planning, task breakdown, and estimation.
• Helping to deliver projects end to end, including client interaction and stakeholder reporting.

What we are looking for:

• A genuine passion for software development and continuous learning.
• Strong problem-solving skills and a collaborative mindset.
• Willingness to work on-site and engage in face-to-face teamwork.

Essential Criteria:

• Australian citizenship.
• Eligibility for an Australian Defence Security Clearance and a National Police Check.
• Minimum 2 years of commercial experience in a similar role, ideally in defence.

How to apply:

• Submit your expression of interest via SEEK or our careers website - https://www.acaciasystems.com.au/careers