Senior Cyber Security Engineer - Nuclear

Sargent Lundy; San Juan (PR); On-site; USD 80,000 - 110,000; Full time

Benefits offered by this job

Comprehensive healthcare plans

Generous paid time off

Flexible work arrangements

Tuition Assistance

Job summary

A leading nuclear engineering firm in Puerto Rico is seeking an I&C Engineer to support digital modernization in nuclear power. Candidates must have a BS or MS in Cyber Security and at least 5 years of experience in design engineering for process control systems. The position requires expertise in nuclear cyber security and allows for a hybrid work model, offering flexibility with remote work options. This role includes competitive benefits and the opportunity to contribute to innovative projects in clean energy.

Qualifications

• Minimum of 5 years of experience in design engineering for process control systems.
• Experience in design engineering for nuclear power plant control systems preferred.
• Demonstrated expertise in cyber security.

Responsibilities

• Review Critical Digital Asset determinations for technical accuracy.
• Confirm configuration of devices based on network diagrams.
• Support installation of software and hardware on digital systems.

Skills

Expertise in US nuclear cyber security

Excellent verbal and written communication

Bilingual in Spanish and English

Understanding of networks

Education

BS or MS degree in Cyber Security or equivalent

Tools

Python

MATLAB

Advanced Excel

Job description

Description

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 US nuclear cyber security rules and NEI cyber security guidance.

Responsibilities

• Reviewing Critical Digital Asset (CDA) determinations and assessments for technical accuracy.
• Addressing related plant corrective actions and notifications.
• Confirming the configuration of devices installed at the site based on network diagrams and system documentation.
• Supporting installation of software and hardware on plant digital systems.
• Performing tasks for changing device settings to implement cyber security controls.
• Performing technical supports requested by the Digital Engineering and Cyber Security supervisors.
• Performing other tasks as related to Cyber Security. This role offers a hybrid work arrangement, with the expectation of spending three days a week in the office, giving you the flexibility to work remotely for two days. Dependent upon your location, this opportunity offers a generous relocation package.

Qualifications

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

Essential skills and experience:

• BS or MS degree in Cyber Security or or equivalent professional experience
• A minimum of 5 years of experience in design engineering for process control systems and general understanding of Cyber Security topics and I&C Systems.
• Experience in design engineering for nuclear power plant control systems is preferred.
• Demonstrated expertise in cyber security.
• Excellent verbal and written communication skills.
• PE license preferred, but not required.
• A basic understanding of cyber security, the concept of a cyber security operation center and knowledge of networks are essential.
• Ability to respond and update, in a timely manner, to requests.
• Work experience in designing or implementing networks would be very helpful.
• Must be bilingual in Spanish and English (Read, Speak, and Write)

AI & Automation at Sargent & Lundy

In this role, we expect people to be willing or able to lead others who use modern tools:

• You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost‑effective designs.
• Leaders in these roles often direct automation and process‑improvement work, for example, how teams automate calculations, summarize technical documents, or generate design documentation and guiding when and how AI or agentic AI tools are used while ensuring results are checked.
• Overseeing engineers who program or script (e.g., Python, MATLAB, advanced Excel) to automate engineering tasks, with review of automated outputs, is valued but not required.
• We also value additional learning, such as a minor, certificate, or other experience in Computer Science, Artificial Intelligence, Software Engineering, or related fields that enables effective oversight of automation and agentic AI‑enabled engineering workflows.

Award‑Winning Benefits

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 & Wellness Financial Benefits Work‑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

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!

Awards & Recognition

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.

City: San Juan

Country: Puerto Rico

Area of Interest: Instrumentation & Controls Engineering

Type: Full Time - Regular

Job ID: 2026-23337

Business Group: Nuclear Power Group

Department: Instrumentation and Controls Engineering