Job title: RF Systems Engineer
Job type: Permanent
Emp type: Full-time
Industry: Cyber Security
Salary type: Annual
Salary from: GBP £45,000.00
Salary to: GBP £55,000.00
Location: Chelmsford, UK
Job published: 08/10/2025
Job ID: 166708

Job Description

RF Systems Engineer

Location: Essex

Salary: £40,000 - £55,000

Description:

A global Defence & Security company are looking for an RF Systems Engineer to join their engineering team developing novel communication and security solutions.

Responsibilities:

  • Design RF system frameworks, conducting trade studies to optimize performance, cost, timeline, and risk from low to mid maturity levels.
  • Integrate contributions from antenna, RF hardware, signal processing, electronics, firmware, and software experts for complete systems.
  • Communicate technical approaches to clients and partners, delivering updates, justifications, and development paths.
  • Coordinate with engineering and project leads to achieve milestones and uphold quality requirements.
  • Aid in generating fresh RF concepts, including proof-of-concept work and initial assessments.

Key Skills/Experience Required:

  • Degree in Electronics/Electrical Engineering or another relevant discipline
  • RF Systems
  • RF components/sub-systems (Antennas, front-end circuits, signal chains, and overall integration)
  • System planning, analysis, and modelling.
  • Experience with product life cycle design from early stage concepts
  • Solid presentation abilities for client interactions and technical reviews.
  • Strong teamwork across technical and operational groups.
  • Eligible for at least UK SC level clearance

Bonus skills/Nice to have’s:

  • EM theory
  • RF/DSP tools, and simulation software.
  • Knowledge of radar/EW
  • Experience with full-system testing and verification.
  • Defence protocols, tools or standards (e.g., DOORS, SysML).

Benefits:

  • Bonus
  • Strong pension contribution
  • Stock options
  • Private healthcare and wellbeing benefits
  • Flexible lifestyle discounts and green care options

If you are interested and think you have the skills required as an RF Systems Engineer, please don’t hesitate to apply.