Systems Engineer

Job :

Location:

London, England, GB (Remote)

Employment Type:

Full-time Function:
Consulting Experience Level: Mid-Senior Level Industry: Information Technology And Services Company: ALTENCompany DescriptionALTEN 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!

Job Description Seeking a System Engineer to join our team in London to support a major spacecraft mission within the space sector. You will play a central role in defining, coordinating, and validating system‑level behaviour across multiple subsystems, ensuring the spacecraft meets its mission requirements with reliability and precision.

Location:

London On Site: 1-2x a month

Clearance:
Clearable Experience Level: Mid Level

Key Responsibilities:

Lead system‑level requirements definition, flow‑down, and traceability across all spacecraft subsystems.

Develop and maintain the system architecture, ensuring coherent interfaces between electrical, mechanical, RF, software, and payload domains.

Produce and manage Interface Control Documents (ICDs), system specifications, and verification plans.

Coordinate technical activities across multidisciplinary teams, ensuring alignment with mission‑level objectives.

Support trade‑off analyses, design reviews, and system‑level decision‑making throughout the development lifecycle.

Lead system‑level verification and validation, including functional testing, performance assessment, and compliance checks.

Analyse subsystem interactions, identify risks, and drive mitigation strategies to ensure spacecraft reliability.

Qualifications

Required Skills:

Mandatory Space industry experience — direct involvement in spacecraft, satellite systems, or mission‑critical space hardware.

Strong understanding of system engineering processes for complex aerospace platforms.

Experience defining and managing system‑level requirements and interfaces.

Ability to interpret subsystem documentation (electrical, mechanical, RF, software, payload).

Experience with verification and validation activities at system level.

Skilled in producing system documentation such as ICDs, specifications, and verification matrices.

Strong analytical skills for trade studies, risk analysis, and system‑level problem solving.

Ability to coordinate across multidisciplinary engineering teams.

Required Qualifications:

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

Desirable

Skills:

Knowledge of ECSS or similar space‑industry standards.

Experience with model‑based systems engineering (MBSE) tools or methodologies.

Familiarity with spacecraft AIT workflows and system‑level testing.

Understanding of mission analysis, operations concepts, and spacecraft behaviour.

Exposure to configuration control, change management, and system baselining.

Additional Information 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,  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,…