As a Senior Network Engineer at CGI, you will play a pivotal role in safeguarding and advancing the networks that power our clients' most critical missions. You will help shape resilient, secure, and scalable infrastructure while contributing to innovative integration and design projects that drive industry transformation.
We offer a competitive salary, excellent pension, private healthcare, and a share scheme (3.5% + 3.5% matching). We are committed to inclusivity and building a genuinely diverse community of tech talent.
Due to the secure nature of the programme, you must hold UK Security Clearance or be eligible to obtain it.
Responsibilities
* Lead & Innovate: Provide advanced support and troubleshooting across Dell OS10, Sonic, Cisco, Palo Alto, and NSX‑T technologies.
* Develop & Deliver: Contribute to network integration, solution design, and scalable infrastructure enhancements.
* Optimise & Automate: Manage BGP, VPN, spine‑and‑leaf architectures, and data centre patching to maintain high performance.
* Maintain & Enhance: Oversee IPAM and DNS, and optimise load‑balancing solutions, particularly F5.
* Integrate & Secure: Support InfoBlox deployments and align network operations with wider infrastructure strategies.
* Collaborate & Guide: Mentor junior engineers and strengthen cross‑team engagement.
* Support & Protect: Participate in the on‑call rota to ensure fast, effective resolution of critical incidents.
Qualifications
* Proven experience in a senior network engineering role.
* Strong background in defence environments.
* Expertise with Dell OS10, Sonic, Cisco networking, Palo Alto firewalls, and NSX‑T.
* Deep understanding of spine‑and‑leaf architecture, BGP, VPNs, and data centre patching.
* Strong knowledge of DNS, IPAM, load balancing; F5 and InfoBlox experience highly desirable.
* Excellent analytical, troubleshooting, and communication skills.
* Understanding of cross‑domain technologies (Tiger Traps, Garrison, OpsWat, NiFi).
* Familiarity with VMware infrastructure and Elastic monitoring.
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