Graduate Spacecraft OR Mission Systems Engineer (Space Systems)

Location: Hybrid role based at hirify.global UK in Harwell, Didcot, Oxfordshire, United Kingdom. Applicants must already have the right to work in the UK; visa sponsorship is not available.

Company

hirify.global develops on-orbit servicing technologies and solutions for the secure and sustainable development of space.

What you will do

• Help define mission concepts, requirements, timelines, and technical solutions based on customer and stakeholder needs.
• Support system architecture and design maturation across early and late product lifecycle stages.
• Prepare trade-off analyses using objective system analysis and engineering judgment.
• Manage system baselines and technical changes throughout the system lifecycle.
• Identify and communicate mission- and system-level risks, agreeing mitigation plans with engineers and stakeholders.
• Collaborate with project managers, leadership, customers, suppliers, and engineers to resolve complex technical issues and reach consensus.

Requirements

• University degree in engineering, physics, mathematics, or another relevant technical discipline.
• Ability to explain technical issues to technical non-experts and non-technical project stakeholders.
• Confidence presenting technical topics clearly to engineers and project managers.
• Ability to understand the bigger picture while maintaining focus on important technical details.
• Strong organisation of tasks, details, and technical notes.
• Experience with scientific or engineering computing, such as Python, C++, or MATLAB/Simulink.

Nice to have

• At least one year of space systems engineering or similarly complex systems experience, including internships, placements, or university projects.
• Knowledge of satellite subsystems such as avionics, command and data handling, power, thermal, GNC, or AOCS.
• Exposure to requirements engineering, verification planning, interface control, or configuration-controlled documentation.
• Knowledge of orbital mechanics, spacecraft AIT, system testing, test beds, TMTC, or mission operations.
• Familiarity with ECSS and other space industry standards.

Culture & Benefits

• Flexible working around core hours in a supportive environment.
• Optional 9/75 working pattern and hybrid working, subject to role requirements.
• 25 days of holiday, increasing yearly to 28 days, plus 8 Bank Holidays.
• Life insurance, long-term sick pay, and private healthcare.
• Relocation allowance, access to a modern office and cleanroom facility, and regular social events.

Hiring process

• Applications close at 5pm on Wednesday 2 September.
• Candidates meeting the essential requirements complete an exercise, to be returned within one week by 9 September.
• Interviews are scheduled after the exercise outputs are reviewed.