{"id":3843527,"url":"https://alion.io/job/sargent-lundy-lead-network-engineer-1-nuclear","title":"Lead Network Engineer 1 - Nuclear","company":{"id":2048445,"name":"Sargent & Lundy","domain":"sargentlundy.com","url":"https://alion.io/company/sargentlundy","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"iCIMS","truth_index":null},"role":"Networking","role_family":"Networking","seniority":"lead","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Warrenville, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":118023,"max":180313,"currency":"USD","period":"year","gross":null,"usd_annual":180313},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ASME NQA-1","optional":false},{"name":"NRC Licensing","optional":false}],"status":"live","first_seen_at":"2026-11-05T23:54:46Z","employer_posted_date":"2026-11-05","last_verified_at":"2026-11-11T18:35:34Z","board_verified":true,"closed_at":null,"days_open":5,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":5},"description":"Responsibilities\nThis role offers a hybrid work arrangement. You'll spend three days a week in the Warrenville office, giving you the flexibility to work remotely for two days. In addition, when needed to support project activities, you will need to come to the System Integration Lab in our Chicago Office at 77 W Wacker Drive instead of the Warrenville office.Nuclear Power is a carbon-free energy source. Our nuclear power generation clients are digitizing their existing power plants and building new nuclear power plants, small modular reactors (SMR) due to the increasing demand for electric power. This is expanding our work in the Instrumentation and Controls Engineering group. Due to this influx of work, Sargent & Lundy has a need for additional I&C Engineers.This position requires an engineer who has expertise in digital system network design. Responsibilities will include, but are not limited to:\nDesign and document segmented, fault-tolerant OT networks for digital I&C, DCS, PLC, and SCADA systems, including network topologies, IP plans, VLANs, routing, IDMZs, and secure access.\nPeriodic travel to client sites, testing facilities, and other Sargent & Lundy offices will be required.\nSpecify industrial networking hardware (appliances, cabling, media converters, etc.), and integrate industrial protocols, network redundancy, and time synchronization.\nPrepare, review, and maintain formal engineering deliverables, including network architecture drawings, rack elevation drawings, cable schedules, specifications, bills of materials (BOMs), and configuration workbooks.\nConfirming the configuration of devices installed at the site based on network diagrams and system documentation.\nAdhere to formal nuclear quality assurance (QA) programs, 10 CFR 50 Appendix B, NQA-1, and rigorous design change/modification control processes.\nDevelop detailed Factory Acceptance Testing (FAT), Site Acceptance Testing (SAT), and commissioning test plans, test cases, and execution procedures for network hardware and integrated control systems.\nStage, configure, and validate network equipment, switches, routers, and firewalls in laboratory test environments prior to field installation.\nSupport on-site installation, system walkdowns, loop checks, and cutover activities during plant outages and modifications.\nIdentify, troubleshoot, and resolve complex physical, data link, and network layer issues across legacy and modern OT equipment.\nPerforming technical support requested by the Digital Engineering and Operation Technology (OT) System Integration supervisors.\nQualifications\nWe do not sponsor employees for work authorization in the U.S. for this position.\nEssential skills and experience:\nBS degree in Computer Science or Computer Engineering from an ABET accredited program or equivalent professional experience\nA minimum of 10 years of experience in design of network architecture, design, and implementation experience, including OT/ICS, SCADA, DCS, or digital I&C.\nExperience in design engineering for nuclear power plant control systems is preferred.\nDemonstrated expertise in network design, such as CCNA or CCENT Certifications.\nUnderstand the function and design of routers, network switches, firewalls, data diodes, and network security configurations.\nUnderstand IP routing, subnetting, spanning-tree protocols, etc.\nExcellent verbal and written communication skills.\nPE license preferred, but not required.\nAbility to respond and update, in a timely manner, to requests.\nHave the experience of collaborating with control system design engineers, clients and vendors.\nTechnology & Innovation\nSargent & Lundy values the appropriate use of technology to improve how work gets done and deliver high-quality outcomes for our clients. Depending on the role, employees may use data, automation, artificial intelligence, and other digital tools to support research, analysis, engineering and design activities, workflow improvement, or other aspects of their work. We value candidates who demonstrate an interest in learning and effectively using emerging technologies where relevant to their role. Employees remain accountable for their work and are expected to apply appropriate professional judgment and review when using technology-assisted tools. Experience with AI, automation, programming, or similar technologies is valued where relevant but is not required unless specifically identified elsewhere in the job description.\nAbout Sargent & Lundy\nAt Sargent & Lundy, we care about the health and well-being of our employees. Our commitment extends beyond the workplace, offering comprehensive healthcare plans and generous paid time off to support our team members in every aspect of their lives. We understand the importance of work-life balance, which is why we are proud to provide competitive, award-winning benefits. Our dedication to employee satisfaction has earned us the prestigious Top Workplaces Culture Excellence Award for compensation and benefits in 2022, 2023, and 2024.\nHealth & WellnessFinancial BenefitsWork-Life BalanceHealth Plans: Medical, Dental, Vision\nLife & Accident Insurance\nDisability Coverage\nEmployee Assistance Program (EAP)\nBack-Up Daycare\nFSA & HSA\n401(k)\nPre-Tax Commuter Account\nMerit Scholarship Program\nEmployee Discount Program\nCorporate Charitable Giving Program\nTuition Assistance\nFirst Professional Licensure Bonus\nEmployee Referral Bonus\nPaid Annual Personal/Sick Time (PST)\nPaid Vacation\nPaid Holidays\nPaid Parental Leave\nPaid Bereavement Leave\nFlexible Work Arrangements\nCompensation Range\n$118,023 - $180,313Transparency Statement\nSargent & Lundy discloses compensation ranges that comply with all local and state regulations. The total compensation package for eligible positions will include a base salary or an hourly rate and a comprehensive benefits package, reflecting our commitment to rewarding performance and supporting the overall well-being of our employees. Individuals may also be eligible to participate in our yearly discretionary bonus.About This Business Unit\nJoin Sargent & Lundy's Nuclear Power Group and be part of a team driving the future of clean, carbon-free energy. Since 1954, we’ve been a trusted leader in nuclear engineering, design, and licensing, with expertise spanning small modular reactors (SMRs), advanced reactor technology (ART), and first-of-a-kind commercial reactor restart projects. Our work supports life extensions and digital modernization of existing nuclear plants, coal-to-nuclear conversion initiatives with the Department of State, and international nuclear new-build projects. With a commitment to safety, innovation, and sustainability, we provide cutting-edge solutions that power communities worldwide while reducing emissions. Shape the future of global energy with us!\nEqual Opportunity\nSargent & Lundy is an equal opportunity employer. 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