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Added 9 mins ago
Sr. Electrical Engineer
SELECTTECH SERVICES CORPORATION
Springfield, OH
We are seeking an experienced and innovative Electrical Engineer to join our team. In this role, you will play a critical part in designing, developing, testing, and maintaining electrical…
Added 9 mins ago
Systems Engineer - Senior (International Architecture & Export Controls ICT)
Modern Technology Solutions, Inc.
Dayton, OH
MTSI is seeking an experienced Senior Systems Engineer with deep expertise in international systems architectures, export control compliance, and advanced aircraft acquisition to support…
Added 10 mins ago
Software Systems Engineer
EXPANSIA
Dayton, OH
…solutions to the U.S. Department of Defense and related national security customers. Backed by Falfurrias Management Partners, the platform brings together deep domain expertise across…
Added 10 mins ago
Information Assurance Security Engineer (ISSE)
EXPANSIA
Dayton, OH
…solutions to the U.S. Department of Defense and related national security customers. Backed by Falfurrias Management Partners, the platform brings together deep domain expertise across…
Added 10 mins ago
Cyber Security Engineer IV
EXPANSIA
Dayton, OH
…solutions to the U.S. Department of Defense and related national security customers. Backed by Falfurrias Management Partners, the platform brings together deep domain expertise across…
Added 1 hour ago
Infrastructure Engineer
Charles Schwab
Southlake, TX
…Asset Management team which requires strong Linux and Windows system administration skills combined with a strong customer service…
Added 1 hour ago
Senior Specialist, Systems Engineer - ELINT
L3Harris
Greenville, TX
…air, land, sea and cyber domains in the interest of national…
Added 1 hour ago
Lead Program Engineer
L3Harris
Greenville, TX
…air, land, sea and cyber domains in the interest of national…
Added 1 hour ago
Senior Container Platform Engineer
Charles Schwab
Austin, TX
We are seeking a Senior Container Platform Engineer to join our Infrastructure Platforms organization, helping build and operate resilient, secure, and repeatable enterprise container…
Added 1 hour ago
.Net Full Stack Developer
Charles Schwab
Austin, TX
As a Staff Software Engineer, you will design and develop reliable, scalable, and responsive web applications using full-stack technologies. You will collaborate across scrum teams to solve…
Added 1 hour ago
Solutions Engineer
Edward Jones
Saint Louis, MO
As a Solution Engineer, you will be a senior technical expert responsible for shaping the future of the firm's API ecosystem. You will influence architectural direction, define platform…
Added 1 hour ago
DevOps Engineer
Aravo Solutions, Inc.
Remote, United States
Manage and improve CI / CD pipelines and infrastructure as Code (IaC), focusing on engineering efficiency, quality, and security, to accelerate deployment cycles.
Added 1 hour ago
Lead Engineer, Internal Tools & Business Systems
Aquaria
Remote, United States
We bias toward shipping: get a working version in front of users early, then iterate. Most weeks keep regular hours, and when a system the team depends on goes down, we fix it the same day.
Added 1 hour ago
Low Voltage Account Executive
Applied Business Communications (ABcom)
Phoenix, AZ
…and supplying the products and labor to build the cabling, security and wireless infrastructure to new clients as well as assigned existing…
Added 1 hour ago
Low Voltage Account Executive
Applied Business Communications (ABcom)
Iowa City, IA
…and supplying the products and labor to build the cabling, security and wireless infrastructure to new clients as well as assigned existing…
Added 1 hour ago
Low Voltage Account Executive
Applied Business Communications (ABcom)
Coralville, IA
…and supplying the products and labor to build the cabling, security and wireless infrastructure to new clients as well as assigned existing…
Added 1 hour ago
Account Executive
Applied Business Communications (ABcom)
Phoenix, AZ
…and supplying the products and labor to build the cabling, security and wireless infrastructure to new clients as well as assigned existing…
Added 1 hour ago
AC
Senior / Staff / Principal Platform Engineer
AppGate Cybersecurity, Inc.
Remote, United States
- $180,000 to $270,000 USD / year
This is a highly technical, hands-on role for an engineer who is comfortable working close to the operating system, diagnosing complex production issues and building reliable software and…
Added 1 hour ago
AC
Senior Sales Engineer
AppGate Cybersecurity, Inc.
Remote, United States
- $175,000 to $225,000 USD / year
8+ years of experience as a Sales Engineer or in an equivalent customer-facing technical role in cybersecurity, including 3+ years with ZTNA, SASE, remote access VPN or network security…
Added 1 hour ago
AC
Senior Sales Engineer
AppGate Cybersecurity, Inc.
Remote, United States
- $175,000 to $225,000 USD / year
8+ years of experience as a Sales Engineer or in an equivalent customer-facing technical role in cybersecurity, including 3+ years with ZTNA, SASE, remote access VPN or network security…
Added 1 hour ago
AC
Senior Sales Engineer
AppGate Cybersecurity, Inc.
Remote, United States
- $175,000 to $225,000 USD / year
8+ years of experience as a Sales Engineer or in an equivalent customer-facing technical role in cybersecurity, including 3+ years with ZTNA, SASE, remote access VPN or network security…
Added 1 hour ago
AC
Network Engineer - Tier 3
AppGate Cybersecurity, Inc.
Remote, United States
- $110,000 to $120,000 USD / year
We are looking for a remote network engineer to provide enterprise-level support for our Zero Trust Network Access (ZTNA) solution. Due to the level of integration our Zero Trust platform…
Added 1 hour ago
AC
Network Engineer - Tier 3
AppGate Cybersecurity, Inc.
Remote, United States
- $110,000 to $120,000 USD / year
We are looking for a remote network engineer to provide enterprise-level support for our Zero Trust Network Access (ZTNA) solution. Due to the level of integration our Zero Trust platform…
Added 1 hour ago
AC
Network Engineer - Tier 3
AppGate Cybersecurity, Inc.
Remote, United States
- $110,000 to $120,000 USD / year
We are looking for a remote network engineer to provide enterprise-level support for our Zero Trust Network Access (ZTNA) solution. Due to the level of integration our Zero Trust platform…
Added 1 hour ago
AC
Technical Writer/Editor 2
AppGate Cybersecurity, Inc.
Remote, United States
- $90,000 to $120,000 USD / year
Edit and write functional descriptions, system specifications, user manuals, special reports and other customer deliverables, including information security documents.

Sargent & Lundy

Lead Network Engineer 1 - Nuclear

Warrenville, IL, United States

Compensation Range $118,023 - $180,313 Transparency Statement Sargent & Lundy discloses compensation ranges that comply with all local and state regulations.

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Job details

Pay: Compensation Range $118,023 - $180,313 Transparency Statement Sargent & Lundy discloses compensation ranges that comply with all local and state regulations.
Apply by: Nov 5, 2027
Experience: A minimum of 10 years of experience in design of network architecture, design, and implementation experience, including OT/ICS, SCADA, DCS, or digital I&C.
Posting language: English
Posted: Nov 5, 2026

Original job description

Responsibilities

This 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:

Design 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.
Periodic travel to client sites, testing facilities, and other Sargent & Lundy offices will be required.
Specify industrial networking hardware (appliances, cabling, media converters, etc.), and integrate industrial protocols, network redundancy, and time synchronization.
Prepare, review, and maintain formal engineering deliverables, including network architecture drawings, rack elevation drawings, cable schedules, specifications, bills of materials (BOMs), and configuration workbooks.
Confirming the configuration of devices installed at the site based on network diagrams and system documentation.
Adhere to formal nuclear quality assurance (QA) programs, 10 CFR 50 Appendix B, NQA-1, and rigorous design change/modification control processes.
Develop 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.
Stage, configure, and validate network equipment, switches, routers, and firewalls in laboratory test environments prior to field installation.
Support on-site installation, system walkdowns, loop checks, and cutover activities during plant outages and modifications.
Identify, troubleshoot, and resolve complex physical, data link, and network layer issues across legacy and modern OT equipment.
Performing technical support requested by the Digital Engineering and Operation Technology (OT) System Integration supervisors.

Qualifications

We do not sponsor employees for work authorization in the U.S. for this position.

Essential skills and experience:

BS degree in Computer Science or Computer Engineering from an ABET accredited program or equivalent professional experience
A minimum of 10 years of experience in design of network architecture, design, and implementation experience, including OT/ICS, SCADA, DCS, or digital I&C.
Experience in design engineering for nuclear power plant control systems is preferred.
Demonstrated expertise in network design, such as CCNA or CCENT Certifications.
Understand the function and design of routers, network switches, firewalls, data diodes, and network security configurations.
Understand IP routing, subnetting, spanning-tree protocols, etc.
Excellent verbal and written communication skills.
PE license preferred, but not required.
Ability to respond and update, in a timely manner, to requests.
Have the experience of collaborating with control system design engineers, clients and vendors.

Technology & Innovation

Sargent & 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.

About Sargent & Lundy

At 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.

Health & WellnessFinancial BenefitsWork-Life Balance

Health Plans: Medical, Dental, Vision
Life & Accident Insurance
Disability Coverage
Employee Assistance Program (EAP)
Back-Up Daycare
FSA & HSA
401(k)
Pre-Tax Commuter Account
Merit Scholarship Program
Employee Discount Program
Corporate Charitable Giving Program
Tuition Assistance
First Professional Licensure Bonus
Employee Referral Bonus
Paid Annual Personal/Sick Time (PST)
Paid Vacation
Paid Holidays
Paid Parental Leave
Paid Bereavement Leave
Flexible Work Arrangements

Compensation Range $118,023 - $180,313 Transparency Statement Sargent & 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

Join 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!

Equal Opportunity

Sargent & Lundy is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability status, protected veteran status, or any protected status as defined by applicable law.

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