Ground Segment System Engineer

Oxfordshire, England, United Kingdom

1/7/2025

SII Group delivers Digital Services, IT, Engineering, and Consulting to diverse industries, enabling digital transformation through our commitment to Growth, People, and CSR.

With over 16,000 professionals across 21 countries, we’re recognised as a “Great Place to Work” for fostering a high-trust culture. Our core values of Trust, Transparency, and Quality drive our work package delivery, ensuring we meet and exceed client expectations as a committed partner.

Since 2016, SII UK has supported top Aerospace & Defence, Aviation, Transportation, and Finance clients, empowering digital transformation with industry-leading engineering expertise.

Let’s Tech Together is our promise to encourage innovation and teamwork. We support our engineers with development opportunities and a collaborative, inclusive environment where every voice is valued and empowered.

THE OPPORTUNITY

We are looking for an experienced Senior Ground Systems Engineer to lead the development and maintenance of mission-critical ground segment systems. This role covers the full lifecycle, from design to operational support, ensuring seamless integration between Mission & Systems and Operations teams. This is a unique opportunity to work across all aspects of the ground segment and support operational activities at the customer’s control centre.

Key Responsibilities

• Develop and design ground segment systems, including mission management, ground station interfaces, and operations software.
• Define technical requirements and ensure alignment between internal teams and external suppliers as a Product Owner or Technical Officer.
• Use Agile (SCRUM) methodologies to manage timelines, track progress, and implement requirements.
• Produce and maintain documentation such as requirements, test plans, and user manuals.
• Perform system integration, verification, and validation, including testing and simulations.
• Train and support mission operations teams using ground systems.
• Troubleshoot and maintain ground segment components in collaboration with development teams.
  
  

Skills

• Bachelor’s degree in Computer Science, Telecommunications, or related engineering field.
• 5+ years of experience in satellite ground systems and the space industry.
• Strong knowledge of ground segment architecture, including mission control and planning systems.
• Team player with proactive problem-solving and excellent communication skills.
• Skilled in technical documentation, requirements engineering, and verification/validation. Thorough understanding of space mission lifecycle and milestones
  
  

Desirable

• Experience with SCOS-2000 and automated mission planning systems.
• Knowledge of satellite operations, product lifecycle management, and standards (ECSS, CCSDS).
• Proficiency in Agile development, C++/Java programming, and Linux-based development.
• Familiarity with Linux administration and scripting tools.
  
  

Benefits

• Competitive Basic Salary
• 6% Employers Contribution + 6% as a salary sacrifice
• Private Medical Insurance, Life Cover and Income Protection
• 25 days holiday
• 5 days full sick pay per year
• Flexible working
• Cycle to Work & TechScheme
• Continuous professional development
• Corporate access to the Udemy platform
• If you're applying for a role requiring security clearance, please be aware that foreign or dual nationality is not an automatic bar, however certain posts may have restrictions which could affect those who do not have sole British nationality or who have personal connections with certain countries outside the UK.
  
  

http://www.groupe-sii.com/en