Senior Power Systems Engineer

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Job Description

What will you be doing? 

We’re looking for an experienced Senior Power Systems Engineer to join our growing team, helping to design and develop electrical power systems for spacecraft. You’ll play a key part in how satellites and space vehicles generate, store, and distribute power — from early design all the way through to integration and testing.

Your main responsibilities will be: 

• Design and develop power systems for spacecraft, from concept to final integration.
• Work on both high-level architecture and detailed electronic designs.
• Manage requirements and ensure designs meet all power and interface needs.
• Build and maintain power budgets and models for spacecraft missions.
• Support electrical integration and power system testing, ensuring reliable performance.
• Review electromagnetic compatibility (EMC) factors and propose solutions.
• Produce and maintain technical documentation throughout the project lifecycle.
• Work closely with other teams, suppliers, and project partners to ensure smooth system delivery.
• Help plan and conduct validation and verification activities for power systems.
• Support flight operations and help resolve any power-related issues during mission phases.

Who are we looking for? 

We want someone who’s passionate about spacecraft design and has solid experience in power systems engineering. You should be comfortable taking ownership of technical areas, communicating with stakeholders, and solving complex problems within multidisciplinary teams.

You are... 

• Passionate about engineering
• result-oriented
• proactive

Qualifications

Experience, skills and

qualifications

• Mandatory: Previous experience working in the space industry (spacecraft, satellite, or launch vehicle projects).
• Degree in Electrical, Electronics, Power Systems, Aerospace Engineering , or a related field.
• 5+ years of experience in power systems or electrical engineering , ideally in spacecraft or avionics design.
• Understanding of power conditioning, DC/DC converters, solar arrays, and battery management systems .
• Experience with system design, integration, and testing .
• Ability to produce and review technical documentation and engineering reports.
• Strong communication skills and the ability to work effectively with multidisciplinary teams.
• A proactive, hands-on approach to problem-solving and continuous improvement.

Additional Information

Why join us?

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.