Senior Mechanical Engineer 1 - Nuclear

Responsibilities

Sargent & Lundy is seeking a Senior Mechanical Project Engineer to support nuclear plant modification and engineering projects at the Calvert Cliffs Clean Energy Center. The role will require approximately two to three days on-site each week at CCCEC, with the flexibility to work remotely the other days.

The successful candidate will provide senior-level mechanical engineering direction, coordinate multidisciplinary activities, and serve as a key technical interface among Sargent & Lundy, Constellation, CCCEC station personnel, vendors, and project stakeholders.

The role will support mechanical system evaluations, plant modifications, Engineering Change packages, calculations, studies, equipment and piping design, specifications, design reviews, field walkdowns, and implementation support. The engineer will also contribute to project execution by managing assigned scope, budget, schedule, deliverables, risks, and technical interfaces.

Responsibilities:

• Lead or support mechanical engineering activities for nuclear plant modifications and related projects at CCCEC.

• Develop and review mechanical design inputs, calculations, evaluations, studies, reports, drawings, specifications, and implementation documentation.

• Support engineering for mechanical systems and equipment, including pumps, piping, heat exchangers, HVAC, balance-of-plant systems, supports, and mechanical interfaces, as assigned.

• Prepare and review Engineering Change packages and related conceptual, detailed, and implementation-phase deliverables.

• Evaluate system performance, equipment impacts, operating conditions, design requirements, and mechanical interfaces associated with plant modifications and power uprate activities.

• Review vendor drawings, calculations, specifications, equipment data, and other technical submittals; identify missing information and follow up on required vendor inputs.

• Participate in project kickoff meetings, technical focus meetings, design reviews, milestone reviews, field walkdowns, constructability reviews, comment-resolution meetings, and client coordination meetings.

• Coordinate mechanical interfaces with electrical, I&C, structural, civil, fire protection, licensing, procurement, construction, operations, and other disciplines.

• Support installation, testing, startup, outage, and implementation activities, including development or review of implementation and testing documentation.

• Serve as a technical liaison with Constellation and CCCEC personnel and communicate technical issues, assumptions, decisions, risks, and required actions clearly and promptly.

• Develop mechanical input to multidisciplinary budgets, schedules, work plans, proposals, and resource plans.

• Monitor assigned scope, budget, schedule, progress, and deliverable status; identify trends early and elevate risks before commitments are affected.

• Support project controls and change management, including evaluation of scope growth, schedule impacts, budget impacts, and changes to technical requirements.

• Ensure work is performed in accordance with applicable Sargent & Lundy procedures, client procedures, quality requirements, codes, standards, and project instructions.

• Support client presentations, proposal development, technical discussions, and identification of follow-on engineering opportunities.

Other Opportunities Provided:

• The opportunity to work on challenging nuclear power projects with experienced engineers and project professionals.

• A multidisciplinary environment that supports technical growth, collaboration, and professional development.

• The opportunity to contribute to projects that support safe, reliable, and carbon-free energy.

• A hybrid work arrangement that combines remote flexibility with regular onsite collaboration at CCCEC.

Qualifications

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

Required Qualifications:

• Bachelor’s degree in mechanical engineering or a closely related engineering discipline; equivalent experience may be considered.

• Minimum of 7 years of progressively responsible mechanical engineering and project experience.

• Demonstrated experience leading or coordinating mechanical engineering work for complex industrial, utility, power-generation, or nuclear projects.

• Experience developing or reviewing mechanical calculations, evaluations, drawings, specifications, reports, and technical documentation.

• Experience coordinating technical work across multiple disciplines and managing interfaces among engineering, design, procurement, vendors, construction, operations, and client organizations.

• Experience with project planning, task budgeting, schedule development or monitoring, progress reporting, change management, and risk identification.

• Strong written and verbal communication skills and the ability to communicate technical information clearly to technical and nontechnical stakeholders.

• Ability to work independently, exercise sound engineering judgment, and prioritize competing technical and project requirements.

• Ability to work onsite at CCCEC two to three days per week and remotely the remaning days.

• Ability to obtain and maintain required site access, training, and qualifications.

Preferred Qualifications:

• Professional Engineer (P.E.) registration or the ability to obtain registration. Registration may be required for assigned work in accordance with applicable requirements.

• Experience supporting operating nuclear power plants, nuclear plant modifications, engineering changes, power uprates, reliability projects, outage work, or licensing-related engineering.

• Familiarity with Constellation or utility engineering processes, including design change, configuration management, document control, quality assurance, and station work-control practices.

• Experience with mechanical systems, balance-of-plant systems, pumps, heat exchangers, piping, HVAC, equipment replacement, or mechanical/structural interfaces.

• Experience coordinating vendor engineering, procurement specifications, bid evaluations, vendor document reviews, and supplier technical questions.

• Familiarity with applicable nuclear industry codes, standards, regulatory requirements, and quality-assurance practices.

• Experience with field walkdowns, constructability reviews, installation support, testing, startup, or commissioning activities.

• Proficiency with common engineering, project-controls, document-management, and Microsoft Office tools.

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 & 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

Compensation Range

$84,762 - $129,498

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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CityDistrict of Columbia

StateDC

CountryUnited States

Area of InterestMechanical Engineering

TypeFull Time - Regular

Job ID2026-27601

Business GroupNuclear Power Group

DepartmentMechanical Engineering