Cyber Software Engineer

Roke Manor Research Limited; United Kingdom; Hybrid; GBP 40,000 - 60,000; Full time

Job summary

A leading technology and engineering company in Gloucester is looking for a Cyber Software Engineer to join their National Security Business. You will work on critical systems, ensuring quality software delivery while engaging with low-level operating systems. Strong proficiency in programming languages like C, C++, or C# is essential, along with knowledge of the cyber domain. The position offers hybrid working options and requires eligibility for DV clearance.

Qualifications

• Experience in C, C++ or C# required.
• Familiarity with Python for scripting.
• Experience with Linux or Windows operating systems.

Responsibilities

• Research, design and build critical systems for National Security.
• Employ secure coding practices to maintain software quality.
• Integrate with operating systems at a low level.

Skills

C/C++/C#

Python

Linux

Windows

Agile environments

Cyber domain knowledge

Software design patterns

Tools

Version control

Job description

Overview

Posted Friday 19 September 2025 at 00:00

Great ideas come from different minds. That’s why we bring together engineers, scientists, analysts, and creatives from every background — and give them the trust, tools, and freedom to make a difference. What connects us is the mission: solving meaningful problems and building capability that protects what matters most. And as the challenges evolve, so do we — working on the technologies that will shape tomorrow, not just today.

Cyber Software Engineer - National Security

National Security Business
Be part of a growing and highly trusted supplier into the NS domain working to deliver mission critical solutions helping to keep the nation safe, secure and prosperous.

Our National Security Business are working on leading edge technology solutions including AI/DS, Cyber, Cloud, DevOPs/SRE, Platform Engineering,

We have secured long term work, across the full spectrum, on the latest framework with the client, which provides the springboard for our ongoing growth and development in this domain, so join us on what will be an incredible growth journey.

As a Cyber Software Engineer, you will form part of a team that research, design and build critical systems that protect and support our National Security partner’s missions. You will employ secure coding practices to ensure and maintain quality of software delivery; whilst understanding and integrating with operating systems on a low level.

Roke are a leading technology & engineering company with clients spanning National Security, Defence and Industry; working alongside our customers to solve their complex and unique challenges by bringing the physical and the digital together.

As a Cyber Software Engineer, it’s likely you’ll be naturally curious and have exposure to and expertise in operating systems, networking and network protocols and low-level systems development.

Responsibilities

The key requirements...

• Experienced in one or more of C, C++ or C#.
• Familiar with Python.
• Used to Linux or Windows based operating systems.
• Knowledge of version control and used to working in agile environments.
• An understanding of the Cyber domain.
• Understanding of common software design and testing patterns.
• Able to build systems and perform continuous integration.

Where you’ll work

GLOUCESTER - Alongside hybrid and flexible working options, you’ll find our Gloucester site in a business park two minutes from junction 11A of the M5; The site allows easy access to our local customer base. Set on the outskirts of the Cotswolds, you are never far from a picturesque view or lunch time walk.

Clearances…
Due to the nature of this role, we require you to be eligible to achieve DV clearance. As a result, you should be a British Citizen and have resided in the U.K. for the last 10 years.

The Next Step

Click apply, submitting an up-to-date CV. We look forward to hearing from you.