Key Details:Job Title: Communications EngineerJob Type: Full TimeLocation: Australian Capital TerritorySecurity Clearance: Minimum NV2 (active)Overview:Calexi is seeking Communications Engineers to support Defence tactical, strategic, and secure communications environments.
You will design, integrate, and sustain resilient communications architectures across complex, distributed, and contested environments.This role operates across radio, satellite, network, and secure communications domains.Key Tasks and Responsibilities:Technical Delivery:
Design and integrate communications systems (RF, IP, SATCOM, tactical networks)
Conduct link budget analysis and performance modelling
Support network architecture design and optimisation
Perform communications system testing and validation
Troubleshoot complex network and RF performance issues
Support secure communications configuration and integration
Defence Environment:
Work within classified communications environments
Support secure communications compliance frameworks
Participate in system acceptance testing and field trials
Contribute to capability enhancement and upgrade activities
Compliance & Governance:
Align with Defence communications security requirements
Maintain secure configuration documentation
Support accreditation and security assurance processes
Skills and Abilities:Technical Proficiency:
RF fundamentals and signal propagation
Tactical and enterprise communications systems
Secure communications principles
Network protocols and routing technologies
Understands DDIL and its application in complex environments
Operational Resilience:
Ability to operate in mission-critical environments
Robust diagnostic capability under time pressure
Specific Experience Requirements:
Degree in Communications, Telecommunications, or Electrical Engineering
Experience within Defence communications environments
Experience with secure or classified systems
Active NV2 clearance (minimum)