Are you a Senior Software Engineer with strong C++ skills and a background in signal processing, looking for a role where your work genuinely matters? Do you want technical leadership, real project ownership, and a career you can shape yourself?

We’re working with a highly respected, specialist technology business based in Chertsey to find a Senior Software Engineer to join their experienced engineering team. This is a hybrid role offering genuine flexibility alongside meaningful, technically challenging work.

Important: This role requires SC or DV Security Clearance eligibility. Applicants must be sole UK nationals.

What you’ll be doing:

Leading and mentoring a team of software engineers, taking responsibility for the quality and delivery of their work
Defining architectural and detailed software designs as part of broader system development
Working across multi-disciplinary teams — collaborating with firmware and electronics engineers to ensure system requirements are met end-to-end
Implementing and testing software in C++ to industry standards across Linux and Windows platforms
Applying acoustic signal processing expertise to real-world embedded and real-time applications
Using structured design tools including Enterprise Architect and UML-based design methods
Managing software verification and validation against contractual requirement sets
Presenting designs to internal teams and customers at all project stages
Supporting system integration, acceptance activities, and Docker-based implementations

What we’re looking for — essential:

Strong C++ development experience on Linux and/or Windows platforms
Experience in acoustic signal processing or real-time embedded software
Proven software team leadership — technical and interpersonal
Comfortable with structured design tools, version control, and IDE environments
Experience of software V&V against a formal requirement set
Clear, precise technical communicator — confident presenting to customers and senior stakeholders
BSc or above in Engineering, Maths, Science or equivalent experience
SC or DV clearance held or eligible to obtain
Full UK driving licence

Nice to have:

Defence, government, or highly regulated industry background
Experience with Docker containers or similar
Familiarity with Enterprise Architect and UML

What’s in it for you:

Up to 24 additional holiday days per year via paid overtime or TOIL
Private medical care — 50+ private clinics and hospitals nationwide
Christmas closedown — most staff off 24th December to 2nd January
Competitive employer-matched pension
Company tech — laptop, mobile and home office equipment provided
Salary sacrifice schemes — bikes, tech and more
Gym discounts plus onsite gym at Chertsey
Flexible core hours: 09:30–12:00 & 14:00–16:00
Training, upskilling and genuine career development investment
Relocation package available

This is a role for someone who wants to lead technically, work on complex and meaningful products, and have real ownership of where their career goes.