Principal RF Systems Engineer

Mass Limited; St. Neots; On-site; GBP 65,000 - 75,000; Full time

Benefits offered by this job

Annual Wellbeing allowance

Private Medical Insurance

Life Assurance

Share Save scheme

Electric/Hybrid Car leasing

Cycle to work

Retail discounts

Career development support

Job summary

Mass Limited in St Neots, Cambridgeshire, seeks a Principal RF Systems Engineer to lead synthetic testing and T&E campaigns. You will direct engineers, coordinate with customers, and push forward advanced EW solutions from our secure facility.

The role requires a STEM degree, hands-on test scripting, and experience with LabView, Python, and MATLAB in lab environments. UK-national and SC clearance eligibility are essential.

Qualifications

• Bachelor’s or master’s STEM degree required.
• Experience creating test scripts for Test Bench Equipment and bespoke hardware.
• Experience with synthetic hardware and testing methods (e.g. DSI and IQ streaming).
• Familiarity with lab equipment such as network analyzers, signal generators, and oscilloscopes.

Responsibilities

• Lead synthetic range activities from the St Neots facility and deliver synthetic T&E trials.
• Provide technical direction to engineers and act as a key technical contact for customers and stakeholders.
• Solve complex RF systems challenges using cutting-edge EW/T&E technology.
• Mentor junior engineers and contribute to agile project delivery.

Skills

Test scripting

LabView

Python

MATLAB

Test bench equipment

Education

STEM Degree

Tools

Git

Wireshark

SolarWinds

Oscilloscopes

Network Analyzers

Job description

As a Principal RF Systems Engineer, you'll lead MASS's synthetic range activities from our Enterprise House facility in St Neots, Cambridgeshire, supporting customer and innovation projects and delivering synthetic T&E trials. You'll also provide technical direction to engineers and act as a key technical point of contact for customers and stakeholders, solving complex challenges, and working with cutting-edge technology.

• Experience creating test scripts/programmes/suites (e.g. LabView, Python, or MATLAB) for Test Bench Equipment (TBE) and bespoke hardware (e.g. GNSS emulators).
• Experience of synthetic hardware and testing methods (e.g. DSI and IQ streaming).
• Use of laboratory equipment (Network Analysers, Signal Generators, Oscilloscopes).
• Experience performing calibration and configuration tasking with defined test strategies.
• STEM Degree.

Desirable:

• Knowledge about how EW systems (e.g. Radar) work.
• Experience working on trials (field, synthetic, or virtual).
• Experience using Version Control software (e.g. Git)
• Experience using networking analysing tools (Wireshark, SolarWinds TFTP etc.)
• Experience of analogue circuit design and build in low power laboratory environments (e.g. Up/Down Conversion).
• Mentoring & coaching of junior engineers.
• Experience working on agile projects

Why MASS? At MASS, you'll work alongside specialists who are passionate about solving complex technical challenges. You'll have the opportunity to apply your expertise to exciting customer and innovation projects while helping develop future synthetic T&E capabilities. Wellbeing is at the core of our culture, with a range of support including mental health first aiders and our extensive employee assistance programme.

Our non‑negotiables

Due to the highly secure nature of our projects, you must be:

• A UK National and eligible to work in the UK
• Eligible to obtain and maintain UK Government SC-level security clearance
• Salary £65,000 - £75,000 DOE
• 25 days annual leave inclusive of up to 3 days Christmas shut‑down
• Buy or sell up to 5 days' annual leave
• Annual Wellbeing allowance
• Two pension schemes to choose from
• Private Medical Insurance + discounts for additional family members
• Life Assurance scheme up to 4 x salary
• Share Save scheme
• Electric/Hybrid Car leasing scheme
• Cycle to work scheme
• Retail discounts
• Career development support

Join our growing Electronic Warfare Operations Support Group (EWOS), made up of 80+ electronic warfare specialists, and play a key role in delivering innovative Test & Evaluation (T&E) capabilities for our customers.