{"id":4196904,"url":"https://alion.io/job/siemens-senior-network-design-engineer","title":"Senior Network Design Engineer","company":{"id":131,"name":"Siemens","domain":"siemens.com","url":"https://alion.io/company/siemens","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Avature","truth_index":{"grade":"A","score":100,"open_postings":34,"ghost_share":0,"stale_share":0,"repost_share":0.029,"time_to_fill_p50_days":15,"computed_at":"2026-11-12T10:38:37Z"}},"role":"Networking","role_family":"Networking","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Ashby-de-la-Zouch, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"IAM","optional":false},{"name":"MPLS","optional":false},{"name":"SIEM","optional":false}],"status":"live","first_seen_at":"2026-11-12T20:46:18Z","employer_posted_date":"2026-11-12","last_verified_at":"2026-11-12T20:46:18Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Closing date: 27th November 2026. Please note, we may close this advert earlier than advertised if we receive a high volume of applications, so we encourage you to apply as soon as possible.\nInnovation is at the heart of everything we do at Siemens Mobility. We are on a quest to solve the most complex mobility challenges with groundbreaking technology and creative solutions. As part of our diverse and driven team, you will have the opportunity to shape the future of transportation. Imagine contributing to innovations that touch millions of lives - ready to make that a reality?\nIn CIS, we deliver Rail Infrastructure systems for customers across the UK and internationally. Our portfolio includes the provision of event driven control and monitoring solutions tailored for Centralised SCADA & Line-wide systems, Stations & Utilities, Power SCADA, Control Systems, Tunnel Ventilation, M&E, and many more. We undertake the full engineering delivery life cycle across various projects.\nWe 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.\nThe 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.\nWorking closely with customers, delivery partners and multidisciplinary engineering teams you will ensure solutions are designed safely, securely and efficiently throughout the project lifecycle.\nLocation: Siemens Factories at Ashby or Chippenham (Regional offices located at Glasgow, York, Manchester, Birmingham or Croydon will also be considered subject to Capability). This role promotes hybrid working with 3 days in the office per week.\nYou’ll make a difference by…\nUndertake the role of “Team Lead”, providing technical leadership for a network design team, activities and allocated projects, delivering in line with agreed programme\nAct as Responsible Engineer or independent checker where assigned.\nEnsure compliance with engineering, quality and safety standards.\nSupport bid and proposal development activities.\nPresent technical solutions to customers and project stakeholders.\nLead development of high and low-level network architecture designs.\nProduce architecture diagrams, design descriptions and technical documentation.\nDefine IP addressing, subnetting and network resilience strategies.\nDevelop secure network and cyber security architectures.\nSupport system integration, testing and commissioning activities.\nYour 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.\nWhat you’ll need to succeed...\nChartered Engineer status.\nIRSE Licence.\nExperience in UK railway operational telecommunications.\nKnowledge of signalling, SCADA, radio, M&E and station systems.\nUnderstanding of electronic security systems.\nSoftware Defined Networking (SDN).\nNetwork virtualisation.\nData centre technologies.\nNetwork automation.\nCyber security technologies including Next Generation Firewalls, SIEM, IAM and Threat Intelligence platforms.\n\nMust haves:\nDegree-qualified in Engineering, Telecommunications, Computer Science or a related discipline, or equivalent experience.\nEstablished knowledge of the systems engineering lifecycle.\nExperience delivering solutions within safety-related or mission-critical environments.\nExperience working to recognised quality and safety standards.\nStrong communication, stakeholder engagement and leadership skills.\nAbility to work effectively to challenging project timescales.\nSignificant experience with LAN/WAN network architectures.\nStrong understanding of network security principles and technologies.\nExperience producing network designs for Signalling, SCADA, Voice, SISS or backbone MPLS networks.\nCisco CCNA level knowledge or above, supported by significant practical experience.\nExperience producing network design and architecture documentation.\nAbility to communicate complex technical solutions to both technical and non-technical audiences.\nAt Siemens Mobility, we believe that work should work for you. We go beyond standard benefits to create an environment where our people feel supported, empowered and valued both professionally and personally.\nWellbeing: Flexible working, 24/7 Mental health support, Subsidised gym memberships, Subsidised Bupa healthcare, Enhanced sick pay\nFinancial: Match and More pension, Life assurance, Perks at Work discounts, Cycle to Work scheme, Annual Bonus\nFamily: Day-one paid parental rights, Shared parental leave, Extra holidays for length of service, Enjoy 26 days annual leave (plus public holidays), with the flexibility to buy or sell up to 5 days each year, volunteering days and sabbaticals\nPersonal Growth: Access to online learning, Support for external training and development opportunities, Inclusive culture promoting equality and belonging, Active employee networks, Opportunities to grow your skills and career\nJoin Siemens Mobility where your wellbeing, growth, and future matter.\nTransform The Everyday with us\nWe value your unique identity and perspective and are fully committed to providing equitable opportunities and building a workplace that reflects the diversity of society. Come bring your authentic self and transform the every day with us!\nWe are a Disability Confident Leader and welcome applications from all individuals, including those with disabilities. If you require any reasonable adjustments during the recruitment process, please contact your recruiter, who will be happy to support you.\nAt Siemens, we promote a growth mindset, the self-belief that we can learn and grow, take on new challenges and adapt to change. 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