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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Engineer - **Company:** Rullion - **Location:** Ashby-de-la-Zouch, UK - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Systems Engineering, Complex Networks, Cyber Security, Computer Networks, Data Centers, Supervisory Control and Data Acquisition (SCADA), Identity and Access Management, IP Addressing, Network Security, Network Architecture, Network Diagrams, Network Planning and Design, Routing, Security Information and Event Management, Software Requirements Analysis, Virtualization Technology, Wide Area Networks, Cyber Threat Analysis, Information Technology, Process Control Systems, Operational Systems, Open Network Automation Platform, Cisco - **Published:** July 22, 2026 - **Apply:** https://www.totaljobs.com/job/network-engineer/rullion-limited-job107727879 ## About the Role * Degree qualification in Engineering, Computer Science, Telecommunications or a related discipline (or equivalent experience) * Extensive experience designing and delivering enterprise and operational technology network solutions * Strong expertise in: + LAN/WAN network design + Network security architecture + Routing and switching technologies + Critical infrastructure or safety-related environments * Demonstrable knowledge of the systems engineering lifecycle * Experience working within quality and safety-driven industries * Excellent communication and stakeholder engagement skills * Ability to communicate technical concepts to both technical and non-technical audiences * Ability to deliver high-quality solutions within demanding project timescales * Cisco certification at CCNP level or above, or equivalent practical expertise Desirable Experience Experience in one or more of the following areas would be highly advantageous: * Software Defined Networking (SDN) * Network automation * Virtualisation technologies * Data centre networking * Next-generation firewalls * SIEM and cyber security platforms * Threat intelligence solutions * Identity and Access Management (IAM) * Operational technology and industrial control systems Experience working within rail, transportation, utilities, defence or other critical infrastructure sectors would be particularly beneficial. Professional accreditations such as Chartered Engineer status or relevant industry licences are welcomed. ## Description We are seeking a Senior Network Architect to join a growing communications and infrastructure technology team delivering advanced networking and security solutions across large-scale transportation and critical operational environments. This is an exciting opportunity to design and deliver secure, resilient, and high-performing network architectures that underpin essential public services. This role offers flexible working alongside visits to regional offices and project sites across the UK. The Opportunity As a Network Architect, you will take ownership of the design and delivery of complex telecommunications and network solutions, supporting operational systems including: * Secure LAN/WAN network infrastructure * SCADA and control system networks * CCTV and surveillance systems * Voice and communications platforms * Passenger information and operational technology systems * Cyber security and network protection solutions * Backbone communications and transmission networks You'll work closely with customers, delivery partners, project teams, systems engineers and technical stakeholders, translating business and operational requirements into innovative, secure and scalable network architectures. This is an excellent opportunity for an experienced network professional who enjoys working across the full project lifecycle, from concept and design through to testing, implementation and commissioning. Key Responsibilities Network Design & Architecture * Lead the design and development of complex network architectures and telecommunications solutions * Deliver technical designs that meet performance, security, quality and safety requirements * Produce and review: + Network architecture documentation + High- and low-level designs + Network diagrams + IP addressing and subnetting strategies + Security architecture designs + Cable schedules and diversity plans + Technical configurations Technical Expertise * Ensure designs align with customer requirements, industry standards and operational needs * Develop secure and resilient network solutions for critical infrastructure environments * Produce system requirements, specifications and technical proposals * Present and explain architectural designs to customers and project stakeholders Project Delivery * Support projects throughout the full systems engineering lifecycle * Produce and review test specifications * Support integration, testing, commissioning and operational deployment activities * Collaborate with multidisciplinary engineering and delivery teams to ensure successful project outcomes Stakeholder Engagement * Build strong relationships with customers, suppliers and delivery partners * Act as a trusted technical authority for network and communications solutions * Work closely with engineering, project and innovation teams to influence technical strategy and delivery approaches ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [The Sustainability Race: AI's Promises, Pitfalls and Potential](https://www.wearedevelopers.com/videos/100155-the-sustainability-race-ai-s-promises-pitfalls-and-potential) - [Creating a routing app with Google Maps API from scratch](https://www.wearedevelopers.com/videos/831-creating-a-routing-app-with-google-maps-api-from-scratch) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) - [A Technical Introduction to Bitcoin's 2nd Layer- The Lightning Network](https://www.wearedevelopers.com/videos/15-a-technical-introduction-to-bitcoin-s-2nd-layer-the-lightning-network) ## Related Articles - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [IT Salaries in UK](https://www.wearedevelopers.com/magazine/288-it-salaries-in-uk) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london)