Engineers All Disciplines

Calexi is seeking highly capable Engineers across multiple disciplines to deliver end-to-end engineering and technical services within government, Defence, and regulated environments.

Candidates applying for these positions must hold a current NV2 Clearance (essential).

These roles span a wide range of engineering domains, including mechanical, electrical, mechatronics, communiations, systems, ICT, and cyber security.

You will work closely with client stakeholders to design, develop, integrate, assess, and sustain complex systems, applying structured engineering methods and risk-based decision making to deliver mission-critical capability.

This role is suited to professionals who bring strong technical foundations and can operate across design, delivery, integration, and advisory functions within high-assurance environments.

Engineering Discipline Areas

• Mechanical Engineering
• Electrical & Electronic Engineering
• Mechatronics & Robotics
• Systems Engineering (MBSE, Integration, Architecture)
• Software & ICT Engineering
• Cyber Security Engineering
• Network & Infrastructure Engineering
• Embedded Systems & Control Systems
• Test & Evaluation / Verification & Validation
• Integration Engineering (C4I, platforms, systems-of-systems)
• DevSecOps & Automation
• Cloud & Platform Engineering
• Data & AI/ML Engineering
• Operational Technology (OT) & Industrial Systems
• Safety, Reliability & Certification Engineering
• Engineering Management & Technical Leadership
  
  

• Strong problem-solving and systems thinking capability
• Ability to analyse complex systems and identify practical solutions
• Capability to assess risk, trade-offs, and engineering constraints
• Ability to operate in ambiguous and evolving environments
  
  

• Clear communication across technical and non-technical stakeholders
• Strong documentation, reporting, and engineering artefact development
• Ability to work independently and within integrated, multidisciplinary teams
• High level of professionalism, accountability, and adaptability
• Strong stakeholder engagement and relationship-building skills
  
  

• Experience working in complex engineering or ICT environments
• Ability to contribute across design, integration, and delivery lifecycles
• Experience in client-facing or consulting environments highly desirable
• Understanding of systems engineering lifecycle and governance
  
  

• University Degree in Engineering or relevant technical field
• Demonstrated experience in one or more engineering disciplines
• Experience within Defence, government, or regulated environments highly desirable
• Familiarity with Australian frameworks and standards (e.g. ISM, PSPF, DISP, ISO) preferred
• Relevant certifications desirable (e.g. Chartered Engineer, CISSP, Azure/AWS, ITIL), but not essential
  
  

• Work on high-impact Defence, government, and critical infrastructure projects
• Contribute to the design and delivery of mission-critical systems
• Exposure across engineering, cyber, and systems integration domains
• Collaborative, high-performing consulting culture
• Opportunity to grow into senior technical and leadership roles