{"id":4178227,"url":"https://alion.io/job/bilfinger-industrial-ot-network-engineer","title":"Industrial OT Network Engineer","company":{"id":1808491,"name":"Bilfinger","domain":"bilfinger.com","url":"https://alion.io/company/bilfinger-com","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":{"grade":"A","score":98,"open_postings":24,"ghost_share":0,"stale_share":0.083,"repost_share":0,"time_to_fill_p50_days":28,"computed_at":"2026-11-12T10:38:37Z"}},"role":"Networking","role_family":"Networking","seniority":null,"employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Chesterfield, 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":"DNP3","optional":false},{"name":"FortiGate","optional":false},{"name":"MQTT","optional":false},{"name":"TCP/IP","optional":false}],"status":"live","first_seen_at":"2026-11-12T16:42:23Z","employer_posted_date":"2026-11-12","last_verified_at":"2026-11-12T16:42:23Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Bilfinger is a leading international industrial services provider, driving efficiency and sustainability for the process industry. With about 31,000 employees and over €5.4 billion in revenue in 2025, we offer solutions in consulting, engineering, manufacturing, maintenance, turnarounds, and digital applications across key sectors like energy, chemicals, pharma, and oil & gas.\nShape the future with Bilfinger UK: With a strong commitment to sustainability, Bilfinger UK stands out as a premier provider of engineering and maintenance services. For over 50 years, Bilfinger UK has consistently pushed the boundaries of innovation, delivering advanced solutions that support industries, infrastructure, and communities across the United Kingdom.\nAs a key member of the globally respected Bilfinger Group, Bilfinger UK has built a reputation as a versatile leader, offering both onshore and offshore services. From energy and utilities to pharmaceuticals and petrochemicals, the company’s broad expertise across various sectors makes it a trusted partner in the industry, as well as a work environment where you can develop your potential.\nAt Bilfinger, we offer a work environment where you can learn and grow. Join us and be part of a team shaping the future!\nRole:\nWe are seeking an experienced, committed, and enthusiastic Industrial OT Networks Engineer to join our Automation team to design, develop, build and test industrial OT networks, network management systems (NMS) and cyber security controls for Industrial Control Systems (ICS) environments.\nThe role focuses on securing OT networks while ensuring system availability, safety, and compliance with industry and client standards.\nThe Industrial OT Network Engineer will take full responsibility for the delivery of industrial OT networking scopes across a variety of projects, meeting technical and quality requirements within agreed timescales and costs.\nThe candidate must be proactive in delivering their own tasks and coordinating with project team members, including supervising, assisting and monitoring task progress. They will also support the Project Manager on the commercial aspects of delivery by reporting progress, risks, issues and opportunities.\nThe Engineer should work co-operatively with the Project Manager, Lead Engineers and engineering team to ensure smooth project progress in accordance with the agreed project lifecycle.\nKey Responsibilities:\nWorking closely and collaboratively with the Project Manager, Lead Engineers and project engineering team, OT Cyber Security Manager and Technical Managers you will:\nBe responsible for technical delivery of OT networks and NMS and cyber security controls for projects.\nDesign, implement and test secure systems and networks for industrial control systems.\nWork closely with Automation and OT Cyber Security teams to take part in security risk assessments and develop secure by design network architectures and topologies.\nProduce clear technical documentation including architecture and topology diagrams, design specifications, test specifications & procedures and operating & maintenance documentation.\nLead the configuration, deployment and testing of managed industrial networks and cyber security controls for OT environments.\nConduct system integration and factory acceptance testing (FAT), both internal and customer facing.\nSupport project security lifecycle management activities including vulnerability identification, patching, software and password management.\nUndertake site installation and commissioning activities.\nSupport the planning and execution of the OT networking scope in collaboration with the Project Manager, Lead Engineers and project engineering teams. Report progress and blockers clearly to help projects meet agreed timescales and quality requirements.\nSupport the Proposals team by developing industrial OT network solutions for Automation proposals.\nSupport the OT Cyber Security Manager with the ongoing development of strategic technology partnerships.\nImprove the delivery of industrial OT networks through new technical initiatives, including reusable design standards, templates and configuration approaches. Drive innovation and standardisation across the department.\nSupport the development of the industrial OT network business strategy in collaboration with the Sales and Business Development teams, the Head of Automation & Cyber Security and the OT Cyber Security Manager.\nProvide health and safety leadership by example.\nEnsure compliance with Bilfinger’s Business Management System\nEssential Skills & Experience:\nProven experience of design, implementation and testing of OT networks and cyber security solutions within industrial environments.\nDetailed experience of the full project life cycle from system specification through design, development, testing.\nExperience of the design, specification, implementation, testing and commissioning of security solutions, controls and countermeasures for OT environments. This should include:\nNetwork security - Secure deployment and hardening of network infrastructure including segmentation and boundary protection through managed switches and firewalls, and passive Network Intrusion Detection Systems (NIDS).\nHands on experience of:\nNetwork design and implementation of industrial networks using managed switches, with skills transferable across Rockwell Automation (Stratix), Cisco, Siemens SCALANCE and Hirschmann product portfolios.\nFirewall design and implementation using Cisco Firepower, FortiGate and Hirschmann (e.g. EAGLE) technology.\nNetwork synchronisation, including dedicated time appliances and NTP.\nPractical knowledge of Layer 2 and Layer 3 industrial networking, including switching, routing, VLANs, network segmentation and resilient network architectures.\nUnderstanding of the OSI and TCP/IP models and their practical application. Strong applied knowledge of industrial network protocols is required.\nExperience with EtherNet/IP, CIP, Modbus TCP, DNP3, SNMP and MQTT is beneficial.\nStrong troubleshooting, documentation, and stakeholder communication skills.\nExperience of working within a Quality Management System (QMS), delivering well described outputs with traceability through project lifecycle\nDesirable Skills & Experience:\nExperience in Industrial Control System integrator organisation/environment\nExperience in one or more of the markets in which Bilfinger operates - Energy, Chemicals & Petrochemicals, Pharma & Biopharma, Oil & Gas, Water\nExperience implementing or supporting cyber security applications in industrial control system environments, including:\nNetwork monitoring systems (NMS)\nSecurity visibility including Network Intrusion Detection (IDS).\nTechnical knowledge of a variety of control system Original Equipment Manufacturers (OEMs) e.g. AVEVA, Rockwell Automation etc.\nExperience working in or for System Integrator, Operators of Essential Services (OES), Critical National Infrastructure (CNI) or OEM organisations.\nFamiliarity with cyber security standards and frameworks relevant to OT, including how they inform network design and the selection and implementation of security controls.\nExperience mentoring junior staff members including apprentices.\nQualifications:\nA degree or HND/HNC in Electronic/Electrical Engineering, Computer Science or other relevant engineering discipline\nProfessionally registered engineer or working towards professional registration.\nRelevant OT cyber security certification e.g.:\nISA/IEC 62443 Cyber Security Expert\nGlobal Information Assurance Certification (GIAC) Global Industrial Cyber Security Professional Certification (GISCP)\nRelevant industry networking certifications desirable e.g.:CCNA, CCNP etc.\n\nFor additional information please contact Leo Andrew Carvel Taylor by email .\nBilfinger is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to ethnicity, color, religion, sex, sexual orientation, gender identity, national origin, disability or other characteristics protected by law.\nIf you are interested in an employment with Bilfinger, please submit your application in the safe environment of our global job portal only using the \"apply now\" button.","description_format":"text","description_chars":8263,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Information Security","Process Manufacturing","Maintenance, Repair & Operations (MRO)","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-11-12T16:42:23Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"Licensed UK visa sponsor (Graduate Trainee, Service Supplier, Senior or Specialist Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Global Business Mobility: Graduate Trainee; Global Business Mobility: Service Supplier; Global Business Mobility: Senior or Specialist Worker; Skilled Worker","cap_exempt":false,"checked_at":"2026-11-12T09:37:45+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":28,"reasons":["conf:1","win:early","comp:brand"],"computed_at":"2026-11-12T17:47:30Z"},"pay":null,"html_url":"https://alion.io/job/bilfinger-industrial-ot-network-engineer","json_url":"https://alion.io/job/bilfinger-industrial-ot-network-engineer.json","meta":{"generated_at":"2026-11-12T17:47:30Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":37358,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-13T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":1808491},"rest":"https://alion.io/mcp/rest/get_company?id=1808491"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fbilfinger-industrial-ot-network-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fbilfinger-industrial-ot-network-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fbilfinger-industrial-ot-network-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/bilfinger-industrial-ot-network-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fbilfinger-industrial-ot-network-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4178227}},{"tool":"search_jobs","arguments":{"company":"bilfinger.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4178227},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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