Senior Signal Processing Engineer

Claremontsurety; Stockport; On-site; GBP 60,000 - 80,000; Full time

Job summary

A global engineering and technology consultancy is seeking a Senior Signal Processing Engineer to develop innovative underwater defence systems. This hands-on role requires expertise in C++ and signal processing, as well as collaboration across multidisciplinary teams. Candidates should have at least 8 years of experience and must be eligible for UK Security Clearance. The position is based in Stockport with a focus on creating high-performance, safety-critical software.

Benefits

Private Medical Insurance

Pension Scheme

Cycle-to-work Scheme

Diversity of engineering projects

Career development support

Flexible working options

Qualifications

• Experience in real-time or safety-critical environments.
• Hands-on knowledge of Linux development and system configuration.
• Understanding of continuous integration practices.

Responsibilities

• Develop and integrate signal processing models into C++ software solutions.
• Translate mathematical models into production-quality code.
• Validate algorithms through MATLAB/Simulink simulation.

Skills

C++ proficiency

Mathematics and signal processing

Linux development

Model-driven development

Software build pipelines

Software testing

Software safety compliance

Education

Bachelor's or Master's in Software Engineering, Computer Science, or Signal Processing

Tools

Git

Jira

Docker

MATLAB/Simulink

UML modelling tools

Job description

Senior Signal Processing Engineer

Join Claremont Surety Group, Inc. to apply for this senior-level role.

Company Description

Are you passionate about engineering? Do you want to make a difference? ALTEN is a global engineering and technology consultancy operating across over 30 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, and many more to deliver innovative engineering solutions that drive technological advancement and support sustainable transformation. Our teams of passionate and agile engineers work on cutting‑edge projects that shape the future of technology and sustainability. At ALTEN, we empower talented engineers to innovate, solve complex challenges, and deliver impactful solutions that build tomorrow’s world today.

Job Description

Join our team to play a pivotal role in developing cutting‑edge underwater defence systems that rely on advanced signal processing and mathematical modelling. You’ll help translate theoretical models into high‑performance, safety‑critical software deployed in real‑world maritime environments. This is a hands‑on opportunity to work on some of the UK’s most innovative defence software projects, where your C++ expertise and algorithmic thinking will have a direct impact.

Location: Stockport (Manchester)

On‑site: Monday–Friday

Seniority: Senior (8+ years experience)

Clearance: SC clearable (no caveats)

Key Responsibilities

• Develop and integrate complex signal processing models into reliable, high‑performance C++ software solutions.
• Translate mathematical and algorithmic models into efficient, production‑quality code.
• Contribute to model‑driven engineering, combining both autogenerated and manually written code.
• Validate algorithms through MATLAB/Simulink simulation.
• Design and maintain robust software architectures using UML modelling tools (e.g. IBM Rhapsody).
• Apply best practices in static analysis, clean coding, and version control to ensure maintainable, safety‑critical software.
• Support continuous improvement across build pipelines, testing, and software assurance activities.

Required Skills

• Strong proficiency in C++, with proven experience in complex, real‑time or safety‑critical environments.
• Solid grounding in mathematics and signal processing, with practical implementation experience.
• Hands‑on knowledge of Linux development, including scripting and system configuration.
• Experience with model‑driven development and integration of both generated and hand‑written code.
• Strong understanding of software build pipelines, configuration management (e.g. Git, Jira), and containerisation (e.g. Docker).
• Familiarity with software testing, including unit testing, integration, and code validation.
• Understanding of software safety compliance, documentation standards, and continuous integration practices.

Soft Skills & Collaboration

• Excellent teamwork and communication across multidisciplinary environments.
• Strong leadership presence mentoring peers and influencing technical direction.
• Proactive and adaptable mindset, with a commitment to quality and safety‑critical delivery.

Required Qualifications

• A Bachelors or Masters degree in Software Engineering, Computer Science, or Signal Processing, or a related discipline ; or a relevant technical military background with equivalent hands‑on engineering experience.
• Must be eligible for or already hold UK Security Clearance (SC).

Desirable Skills

• Familiarity with defence domain projects and compliance standards.
• Experience with CI/CD, DevOps, or software assurance in secure environments.
• Knowledge of cybersecurity concepts, virtualisation, or infrastructure as code.
• Exposure to requirements management tools and automated testing frameworks.
• Continuous improvement mindset, with an interest in emerging technologies and process innovation.

Additional Information

We foster a community of dually talented individuals who are both entrepreneurs and technology specialists. Our teams embody the spirit of innovation and entrepreneurship, enabling us to develop solutions most efficiently.

Our commitment to sustainable growth is unwavering, and we continuously strive for accelerated transformation and continuous improvement. Through ALTEN labs, mentoring programs, internal universities, and more, we are always pushing boundaries and embracing new possibilities.

We offer incredible opportunities to join inspiring projects in the most innovative companies.

We prioritise your career development with personalised support plans tailored to your own aspirations. We're here to empower you and help you reach your full potential.

Join our passionate team and start building tomorrow, today!

In Short You Get

• A personalised career path and a rewarding management style
• A chance to work on the most exciting engineering projects and technologies along with Premium Customers
• A huge diversity of engineering projects and industries
• A competitive salary
• Private Medical Insurance
• Pension Scheme
• Cycle‑to‑work Scheme among many additional benefits
• Social atmosphere, regular gatherings, and team buildings
• Flexible way of working (role dependent)

This role will require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected. Details of this will be discussed with you at interview.