Full-Time

AIT Engineer

Updated on 9/16/2026

Orbitfab

Orbitfab

51-200 employees

In-space refueling service and propellant depots

No salary listed

Harwell, Didcot, UK

In Person

Bachelor's

Category
Aerospace Engineering (1)
Required Skills
Python
ISO 9001
MATLAB
Quality Assurance (QA)
Risk Management
C/C++

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Requirements
  • A degree in a relevant field with 5+ years of experience.
  • Experience testing spaceflight hardware.
  • Experience writing and executing test procedures.
  • A strong background working with relevant software such as C++, Python, and MATLAB.
  • Experience developing electrical ground support equipment, including automated test scripts and data acquisition.
  • Experience working in and around quality assurance procedures, including those directed by ECSS-Q-ST-20C.
  • Experience writing quality assurance documentation and procedures.
  • Experience with risk and non-conformance management.
  • Personal ownership of hardware development and the ability to seek input from systems and cross-functional engineers.
  • The ability to work autonomously, critically review work, and prepare and give peer reviews before critical milestones.
  • The ability to collaborate effectively and work as part of a team.
  • Communication, analytical, organisational, strategic, statistical, and personal skills.
  • A sense of urgency and the ability to manage multiple priorities in a fast-paced small-company environment.
  • The right to work in the United Kingdom.
Responsibilities
  • Own the development of spaceflight hardware.
  • Write and carry out test procedures for spaceflight hardware in early development, qualification, and/or acceptance.
  • Help develop quality control procedures around the build and test of hardware.
  • Help develop best working practices in a multidisciplinary laboratory.
Desired Qualifications
  • Experience with LabVIEW.
  • Experience testing robotic hardware.
  • Experience utilising artificial intelligence tools.
  • Experience with ISO 9001 or AS9100 certifications.
  • Experience conducting failure mode and effects analysis or root-cause analysis.
  • Experience with fluid system testing, including proof, leak, and flow testing.
  • Familiarity with in-orbit servicing or space rendezvous, proximity operations, and docking sectors.

OrbitFab provides in-space refueling for satellites by deploying propellant depots and using reusable fuel shuttles to create an orbital gas-station network. In practice, propellant such as hydrazine is stored in orbit and delivered to customers’ satellites on demand, with revenue from selling propellant and contracts with operators including the U.S. Space Force starting in 2025. It differentiates itself by building an end-to-end orbital supply chain for propellant and logistics, rather than only servicing satellites, enabling a scalable, recurring fuel infrastructure. Its goal is to establish a practical, ongoing in-space propellant supply system that increases satellite utility and supports broader space industries like manufacturing and tourism.

Company Size

51-200

Company Stage

Series B

Total Funding

$86.5M

Headquarters

Lafayette, Colorado

Founded

2018

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Simplify Jobs

Simplify's Take

What believers are saying

  • NASA selected Orbit Fab on February 16, 2026 for Lunar Gateway fluid transfer.
  • ESA and UK Space Agency funding for ASTRAL validates Orbit Fab across Europe.
  • Peter Shaper’s July 2026 appointment adds commercialization discipline for military and commercial sales.

What critics are saying

  • Orbit Fab still depends on 2027 demos to convert contracts into paid operations.
  • Stride Capital controls financing; a failed Series B leaves Orbit Fab underfunded by late 2026.
  • If RAFTI fails in orbit, Space Force and NASA customers shift to rival servicing standards.

What makes Orbitfab unique

  • RAFTI is Orbit Fab’s standard refueling interface, now adopted in NASA and ESA programs.
  • Orbit Fab has more than $40 million across 24 U.S. government contracts.
  • The company spans interfaces, fuel shuttles, and depot logistics, not just one servicing point.

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Benefits

Health Insurance

Paid Vacation

Flexible Work Hours

Hybrid Work Options

Growth & Insights and Company News

Headcount

6 month growth

-5%

1 year growth

-1%

2 year growth

-1%
SpaceNews
Jul 7th, 2026
Orbit Fab raises $25M, appoints new CEO to commercialise satellite refueling

Orbit Fab has appointed Peter Shaper as chief executive and raised over $25 million in interim funding from Stride Capital. The Colorado-based satellite refueling company is transitioning from technology development to commercial operations. Shaper, who has three decades of private equity experience, previously led satellite services companies CapRock Communications and Speedcast. He aims to commercialise Orbit Fab's RAFTI docking and refueling interface technology. The company has three demonstration missions scheduled for the next 18 to 24 months, designed to refuel government satellites using hydrazine fuel shuttles. These demonstrations could unlock over $40 million in contracts for on-orbit refueling services. Orbit Fab is preparing to raise between $30 million and $50 million in a Series B round later this year. The funding will support at least two demo missions in 2027 and initial commercial contracts, targeting primarily US military customers.

SpaceWatch.Global
Mar 16th, 2026
Orbit Fab raises $20M Series B as CEO steps down amid shift to commercialisation

Orbit Fab has raised $20 million in a Series B round led by Stride Capital as it transitions from developing on-orbit refuelling technology to large-scale commercialisation. The funding will strengthen the company's capital foundation as it enters its next growth phase. Alongside the fundraising, CEO Daniel Faber has stepped down from day-to-day responsibilities. The company has established an Executive Committee to ensure stability and operational continuity during the leadership transition. The round marks a decisive stage in Orbit Fab's evolution as it scales its on-orbit refuelling capabilities.

Orbit Fab
Jul 25th, 2024
UK Pioneers Space Refuelling with £2m for Orbit Fab’s Innovative Technologies - Orbit Fab

Harwell, England – July 22, 2024 Global leader in on-orbit refuelling, Orbit Fab, lands £2m...

SpaceNews
Apr 17th, 2023
Orbit Fab raises $28.5 million

Orbit Fab, a startup developing in-space satellite refueling services, has raised $28.5 million to accelerate work on its first missions.

SpaceNews
Oct 25th, 2022
Orbit Fab secures new investor to support satellite refueling efforts

Orbit Fab, a startup developing infrastructure for in-space refueling of satellites, announced Oct. 25 it lined up a new investor to support those plans.