Communications Engineer

Calexi; Canberra; On-site; AUD 120,000 - 180,000; Full time

Job summary

Calexi is seeking a Communications Engineer to design, integrate and sustain resilient communications architectures across radio, satellite, network and secure domains within Defence environments.

The successful candidate will conduct link budget analyses, support network design and verification, and troubleshoot complex RF/Network issues while ensuring compliance with security frameworks and safeguarding classified information.

Qualifications

• Degree in Communications, Telecommunications, or Electrical Engineering.
• Experience within Defence communications environments.
• Experience with secure or classified systems.
• Active NV2 clearance (minimum).

Responsibilities

• 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.
• Align with defence security requirements and accreditation processes.

Skills

RF fundamentals

Tactical networks

Secure communications

Network protocols

DDIL understanding

Diagnostic capability

Mission-critical operations

Education

Degree in Communications, Telecommunications, or Electrical Engineering

Job description

Job Description

Key Details:

Job Title: Communications Engineer

Job Type: Full Time

Location: Australian Capital Territory

Security 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


• Strong 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)