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. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. We are seeking a highly skilled and forward-thinking Software Defined Network (SDN) Engineer to spearhead the design, deployment, and optimisation of cutting-edge network infrastructures. In this pivotal role, you will leverage your deep expertise in Cisco ACI and VMware NSX-T to deliver innovative, software-defined solutions across complex hybrid environments. Collaborating closely with cross-functional teams, you will ensure the implementation of robust, scalable, and secure network fabrics that support both on-premises and cloud platforms—driving performance, agility, and resilience across the enterprise
Design, deploy, and manage scalable Software Defined Networking (SDN) architectures using CISCO ACI.
Define and enforce policies and connectivity rules within SDN environments.
Implement dynamic routing protocols and integration with underlay networks.
Integrate SDN platforms with hybrid infrastructures, including public cloud providers and on-premises data centres.
Collaborate with cloud and systems engineering teams to ensure seamless interconnectivity and performance optimisation.
Diagnose and resolve complex network issues spanning virtual and physical environments.
Use packet capture, flow analysis, and SDN analytics to pinpoint performance bottlenecks and security anomalies.
Familiarity with cloud networking (AWS, Azure, GCP) and hybrid deployment models.
Certifications such as Cisco CCNP/CCIE Data Center, VMware VCP-NV, or VCIX-NV.
Knowledge of network automation and orchestration tools (e.g., Experience with network monitoring platforms (e.g., vRealize Network Insight, Cisco Nexus Dashboard).
Familiarity with Zero Trust Networking and Network Function Virtualisation (NFV).
Come join our team—one of the largest IT and business consulting services firms in the world.