Graduate/Junior Embedded Software Engineer 2025

This role is available full-time for 37 hours per week, part-time with a minimum coverage of 22 hours / Flexible or compressed working patterns available.

This role is based in the office.

Can you write code for microcontrollers? Read an electronic circuit schematic?

Keen to build your skills and develop your career in engineering?

We’re looking for people to design and write software for the custom designed electronics products we produce.

You’ll bring your technical knowledge and ideas to create and maintain software for specialist devices, to meet the needs of our national security partners.

On the job training is provided, and a portion of your time will be dedicated to innovation and research.

Joining one of our product development teams, you’ll develop software for hardware products and solutions to protect national security. You may not know all the details yet, but you soon will.

No two days will be the same, one day you could be producing code to introduce new features to a product, the next you could be collaborating with a team on designing the next set of products.

More about you

To apply for this role, you will already have:

• Ability to design, develop and test embedded software in C or C++.
• Ability to understand Experience developing embedded software to run in either an RTOS, Linux or bare metal environment and electronic designs, particularly for digital logic and microcontroller circuits.
• Experience developing embedded software to run in either an RTOS, Linux or bare metal environment.
• Familiarity with debugging embedded software using laboratory test equipment.

To strengthen your application, it would be beneficial if you also have:

• Relevant work experience, equivalent to/ or, a 2-1 or greater relevant Degree.
• Experience in real-time software or digital signal processing.
• Ability to understand and debug other’s software (and your own!).
• Experience of Unit Testing and Static Analysis.
• Knowledge of microcontroller architectures, especially ARM.

Your personal skills

You will be someone who:

• Is keen to learn and continually improve both technical and non-technical skills.
• Is enthused by working with other capable engineers, combining your collective knowledge to produce better results.
• Likes seeing things through to the end. You have the drive and commitment to finish projects to a high standard.
• Enjoys the challenge of thinking of innovative solutions to hard problems. You are not constrained by convention.
• Can manage your own workload and is adapts to changing demands on your time.
• Puts plans in place to make improvements.

Putting your skills to use

Using your diverse range of skills you will:

• Design, develop and document embedded software to the highest standards.
• Verify designs by creating and implementing functional tests and performing code reviews.
• Support products and investigate reported defects.
• Contribute to project planning and meetings.

What we offer

Now that we’ve explained a bit about what you will we be doing, here’s what we can offer you:

• 25 days annual leave, rising to 30 after 5 years’ service.
• 8 Bank Holiday days off in addition to your annual leave.
• 2 ½ additional days leave (set dates through the year).
• Paid overtime or time off in lieu. Your salary is for your contracted hours. If you work more, we believe you should be rewarded for that.
• Training. Lots and lots of training. This can be anything from a ½ day internal course to a distant learning degree. If it’s relevant to your career, we will aim to support you.
• Pension. Our Pension scheme is Alpha. It’s competitive.
• Sports & Social Society. Whether its classic cars or baking, golf or crafting, we have a society for you.
• On site nursery (subject to availability).
• 3 days paid leave a year to support a registered charity of your choice.
• Free parking.
• Free onsite gym, open 24 hours a day.
• Relocation Loan*.
• Affinity Groups – whether you are disabled, LGBTQ and/or from an ethnic minority. We provide an inclusive environment and support for everyone.

About HMGCC

We are HMGCC, the engineering specialists at the heart of the UK’s national security.

We work with the national security community, UK government, academia, private sector partners and international allies to bring engineering ingenuity to the national security mission, creating tools and technologies that drive us ahead and help to protect the nation.

We invest in our people, not only with training but also support throughout your career with us; to allow you to reach your full potential at work, as well as enjoy the work/life balance many aspire to.
To find out more about us and if we’re right for you, please visit our website.

Equal opportunities

Inclusion and diversity really matters to us. It's not just about numbers or visible differences.

HMGCC are committed to providing equal opportunities and encourage applications from candidates of all backgrounds, ethnicities, gender identities, sexual orientations, and those with disabilities or who are neurodiverse.

We’re not looking for any one type of person. We’re looking for talent from all different backgrounds to join our organisation, where we genuinely respect and value each other's differences, as well as our similarities. It makes us even better at what we do.

We are proud to offer candidates the opportunity to apply through the Offer of Interview Scheme. The scheme ensures eligible candidates are selected for an interview as long as their application meets the minimum criteria for the role. To find out more and how you can apply under this scheme, please see the inclusion and diversity information on our website.