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# Senior Network Design Engineer

- **Company:** Siemens Plc
- **Location:** Chippenham, United Kingdom (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, Cyber Security, Computer Networks, Data Centers, Supervisory Control and Data Acquisition (SCADA), Identity and Access Management, IP Addressing, Subnetting, Multi-protocol Systems, Network Security, Network Architecture, Network Planning and Design, Network Virtualization, Security Information and Event Management, Systems Integration, Wide Area Networks, Cyber Threat Analysis, Firewalls (Computer Science), Information Technology, Open Network Automation Platform, Cisco
- **Published:** November 14, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=58ee08dfb4a48d17

## About the Role

* Chartered Engineer status.
 * IRSE Licence.
 * Experience in UK railway operational telecommunications.
 * Knowledge of signalling, SCADA, radio, M&E and station systems.
 * Understanding of electronic security systems.
 * Software Defined Networking (SDN).
 * Network virtualisation.
 * Data centre technologies.
 * Network automation.
 * Cyber security technologies including Next Generation Firewalls, SIEM, IAM and Threat Intelligence platforms.

Must haves:

 * Degree-qualified in Engineering, Telecommunications, Computer Science or a related discipline, or equivalent experience.
 * Established knowledge of the systems engineering lifecycle.
 * Experience delivering solutions within safety-related or mission-critical environments.
 * Experience working to recognised quality and safety standards.
 * Strong communication, stakeholder engagement and leadership skills.
 * Ability to work effectively to challenging project timescales.
 * Significant experience with LAN/WAN network architectures.
 * Strong understanding of network security principles and technologies.
 * Experience producing network designs for Signalling, SCADA, Voice, SISS or backbone MPLS networks.
 * Cisco CCNA level knowledge or above, supported by significant practical experience.
 * Experience producing network design and architecture documentation.
 * Ability to communicate complex technical solutions to both technical and non-technical audiences.

## Description

We are seeking an experienced Senior Network Design Engineer to lead the development and delivery of operational telecommunications and network solutions for railway infrastructure projects. This role combines technical leadership, customer engagement and people leadership whilst providing strategic direction to a team of Network and Engineers.

The Senior Network Engineer is responsible for a team of network engineers and a portfolio of network design projects: defining, assuring and designing secure, resilient network architectures supporting Signalling, SCADA, Voice, Station Information and Security Systems (SISS), and backbone communications networks.

Working closely with customers, delivery partners and multidisciplinary engineering teams you will ensure solutions are designed safely, securely and efficiently throughout the project lifecycle., * Undertake the role of "Team Lead", providing technical leadership for a network design team, activities and allocated projects, delivering in line with agreed programme

 * Act as Responsible Engineer or independent checker where assigned.
 * Ensure compliance with engineering, quality and safety standards.
 * Support bid and proposal development activities.
 * Present technical solutions to customers and project stakeholders.
 * Lead development of high and low-level network architecture designs.
 * Produce architecture diagrams, design descriptions and technical documentation.
 * Define IP addressing, subnetting and network resilience strategies.
 * Develop secure network and cyber security architectures.
 * Support system integration, testing and commissioning activities.

Your role profile may vary from time to time in accordance with business needs. Your annual objective setting with your line manager will outline any additional responsibilities required to meet business or individual development needs for the forthcoming financial year.