Job Description

The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation to our clients using proven and emerging technologies, agile delivery processes and our deep expertise across the breadth of space, defence, intelligence, aerospace and maritime, all underpinned by our end-to-end cyber capability. We work collaboratively with global technology companies, cutting edge SMEs and academia to deliver the optimal solution for each client.



CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named one of the 'World's Best Employers' by Forbes magazine. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you'll be part of an open, friendly community of experts. We'll train and support you in taking your career wherever you want it to go.



CGI are looking for a Senior Infrastructure Engineer to deliver cutting-edge 5G/SatComs projects for several high-profile clients, including integrating a 5G private network and SatComs links supplied by major operators.



This position will be a hybrid position, working out of our site in Leatherhead. There will also be occasional travel to Didcot, Oxfordshire.

Your future duties and responsibilities

The successful candidate will be infrastructure team lead implementing solutions across several projects including integrating many constituent parts together. This is a 'hands-on' role and will include for example building VM environments, implementing networking solutions, firewalls and automated scripting.



The candidate should be keen to learn new technologies as well as applying their own experience to optimising the solution as it is deployed, and troubleshooting. They need to be comfortable with research and development projects.




They will have direct interaction with the customer, to understand their requirements and iterate to achieve the best solution. They will be the team leader and will need to lead the team, managing priorities with Programme Leads, monitoring outputs and developing staff.



Key Responsibilities:

Creation and maintenance of build and design documents Implementation of infrastructure solutions Lead the infrastructure team - team management and development Test and validation of solutions Researching new COTS solutions and applying them

Required qualifications to be successful in this role

Essential:



VMware/ Hyper-V Building/ setup and deployment of VM environments. Linux Administration Build/configure/maintain Automation/scripting eg Ansible Willingness to learn new technologies Networking; good understanding of networks (UDP/TCP/IP) IPv4, Switching, Routing etc


Desirable:

Experience of designing bespoke infrastructure solutions Understanding of 5G / Telecoms background Understanding of satellite communications networks NMS Zabbix/ Grafana Firewalls : Fortinet / PFSense/ Juniper: install/configuration/ maintenance. Understanding of VPNs

Together, as owners, let's turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you'll reach your full potential because...



You are invited to be an owner from day 1 as we work together to bring our Dream to life. That's why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company's strategy and direction.



Your work creates value. You'll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.



You'll shape your career by joining a company built to grow and last. You'll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.




Come join our team--one of the largest IT and business consulting services firms in the world.