> Markdown version of [/jobs/ext/4666238-senior-network-engineer-sc-cleared](https://www.wearedevelopers.com/jobs/ext/4666238-senior-network-engineer-sc-cleared). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Network Engineer - SC Cleared - **Company:** TEKsystems - **Location:** Birmingham, United Kingdom (Remote available) - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Internet Protocol, Multi-protocol Systems, Network Security, McAfee VirusScan, Network Architecture, Network Planning and Design, Firewalls (Computer Science), SC Clearance, Fortinet, Cisco - **Published:** November 11, 2026 - **Apply:** https://www.careerboard.com/gb/en/find-jobs-in-United-Kingdom/-DAFE7D19D1B49024CF/ ## About the Role * Engineering design skills and experience in secure networking * Sound Cisco routing and switching experience * experience F5 APM/LTM, Forcepoint, Mcafee Firewalls, Fortinet Firewalls, * Ideally CCNP Certified or equivalent industry experience . * experience working on long-term, multi-year infrastructure or transformation programmes. * Familiarity with network designs supporting critical national infrastructure or similarly complex environments. ## Description These roles provide the opportunities for 3 x Senior Network Engineer's of TDA's with network design experience to join our UK based Service Provider client for a major network transformation piece of work. You will be supporting the design and implementation of a new integrated network and security service for a large critical infrastructure organisation. ?These roles require applicants ACTIVE SC CLEARANCE, so you must have worked within a Security Cleared workplace in the last 12 months for it to be active. Please note, this a critical for the role. This role is also a rolling 6 month contract offering remote working and operating INSIDE IR35, * Engage in the technical design of complex IP-based network solutions, ensuring they meet functional, security and performance requirements. * Design and document network architectures covering IP Connect, WAN, MPLS as examples. * Design and support solutions involving Firewall technologies where appropriate, integrating them into the wider network architecture. * Produce high-quality design documentation, including high-level and low-level designs, configuration standards and implementation guidelines. * Work with delivery and implementation teams to ensure designs are realised accurately and efficiently, providing technical support during deployment. * Engage with stakeholders across technical and non-technical teams to explain design decisions and address risks, issues and dependencies.