ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering solutions that drive technological advancement & 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.

Join us and start building tomorrow’s world today!

ALTEN is seeking a skilled Harness Engineer to support the design, build, and development of prototype electrical harnesses for aerospace and high-technology applications. The ideal candidate will have hands-on harness manufacturing experience and hold relevant industry certifications, ensuring work is completed to the highest quality and safety standards.

• Location: Guilford 
• On Site: Onsite
• Clearance: Clearable 
• Experience Level: Junior 

Key Responsibilities:

• Build, assemble, and modify prototype electrical harnesses in accordance with engineering drawings and specifications.
• Carry out wiring, crimping, soldering, and connector termination activities to industry standards.
• Inspect and test harness assemblies to ensure compliance with quality and technical requirements.
• Support prototype development, troubleshooting, and fault-finding activities.
• Maintain accurate build records and documentation throughout the manufacturing process.
• Collaborate with design, manufacturing, and testing teams to resolve engineering issues.
• Ensure all work is performed in line with EASA, IPC, and company quality standards.
• Adhere to health, safety, and regulatory requirements within the workshop and production environment.

Required Skills:

• Proven experience building and assembling prototype electrical harnesses.
• EASA certification or demonstrable experience working to EASA aerospace standards.
• Strong hands-on skills in wiring, crimping, soldering, and connector assembly.
• Ability to read and interpret electrical schematics, wiring diagrams, and technical drawings.
• Experience with harness inspection, continuity testing, and fault diagnosis.
• Knowledge of aerospace, aviation, defence, or other highly regulated manufacturing environments.
• Excellent attention to detail and commitment to producing high-quality work.
• Strong communication skills and ability to work effectively within engineering teams.
• Ability to manage multiple tasks and work to project deadlines.

Required Qualifications:

• A Bachelor’s or Master’s degree in Engineering, or equivalent military experience.

Desirable Skills:

• Proven experience as a Harness Engineer or Harness Technician.
• Hands-on experience building and assembling prototype electrical harnesses.
• EASA certification or experience working to EASA standards.
• IPC certification (IPC/WHMA-A-620 or equivalent) highly desirable.
• Strong understanding of electrical wiring, cable routing, crimping, soldering, and connector assembly.
• Ability to read and interpret engineering drawings, wiring diagrams, and technical documentation.
• Experience conducting harness inspection, testing, and fault-finding activities.
• Knowledge of aerospace or defence manufacturing standards a

Why join us? 

We bring together entrepreneurial, tech-driven people to deliver innovative solutions for leading companies.

At ALTEN, you’ll work on exciting projects, supported by ongoing learning, mentoring, and clear career development tailored to your goals.

Join a passionate team and help build tomorrow, today.

In short you get: 

• A personalised career path and a rewarding management style 
• A huge diversity of engineering projects and industries
• Private Medical Insurance
• Cycle & Tech Scheme 
• Employee assistance programme
• Life insurance & Pension Scheme
• Social atmosphere, regular gatherings & team buildings
• Flexible way of working (role dependent)

We are proud to support the Armed Forces Covenant & actively encourage applications from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes. 

ALTEN is committed to fostering a diverse and inclusive workplace and values the strength that comes from a global mix of backgrounds and perspectives. We welcome applications from all suitably qualified candidates, regardless of background or protected characteristics under the Equality Act 2010. If you require any reasonable adjustments during the recruitment process, please let us know. 

This role may 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.