Senior software engineer - act, qld, vic, sa

Senior Software Engineer (Multiple Roles)

Our client is a leading Australian government organisation operating at the forefront of national security, cyber operations and advanced technology. The organisation plays a critical role in protecting Australia's interests through intelligence, innovation and cutting‐edge digital capabilities.

You will be joining a highly skilled and mission‐driven environment where your work directly contributes to complex, high‐impact national programs.

About the Role

We are seeking experienced Senior Software Engineers to deliver innovative, high‐quality software solutions within complex and secure environments. In this role, you will take technical ownership across the full software development lifecycle while providing leadership and mentoring to other engineers. You will work on large‐scale, mission‐critical systems and collaborate with cross‐functional teams to solve challenging technical problems.

Role Responsibilities

• Design, develop, test, and maintain complex software applications and systems
• Lead software development activities and ensure alignment with standards, tools and methodologies
• Provide technical leadership, mentoring and guidance to team members
• Analyse and resolve highly complex technical issues
• Collaborate with stakeholders and subject matter experts to deliver outcomes
• Review, improve and evaluate software strategies, designs and implementations
• Ensure solutions meet quality, security and performance requirements
• Contribute to continuous improvement of development practices, policies and standards

Skills and Qualifications

• Proven experience in senior‐level software engineering roles
• Strong proficiency across multiple programming languages
• Solid understanding of algorithms, data structures and software design principles
• Experience across the full software development lifecycle (SDLC)
• Knowledge of software development methodologies (e.g. Agile, DevOps)
• Experience with databases and SQL
• Familiarity with version control systems (e.g. Git)
• Ability to lead technical delivery and influence engineering outcomes
• Strong analytical, problem‐solving and communication skills

What's on Offer

• Opportunity to work on high‐impact, nationally significant projects
• Long‐term contract with potential extensions (up to 24 months+)
• Exposure to cutting‐edge technologies and secure environments
• Collaborative and highly skilled technical teams
• Competitive contract rates
• Locations available across ACT, QLD, VIC and SA

Security Requirements

• Must hold or be able to obtain Top Secret Positive Vetting (TSPV) clearance
• Candidates must meet strict security and suitability requirements
• Successful applicants will be required to undergo an organisational suitability assessment

Diversity and Inclusion

We value diversity and welcome applications from Indigenous Australians, people from diverse cultural and linguistic backgrounds and people living with a disability.