Lead Mechanical Engineer 1 - Mission Critical
Sargent & Lundy · Washington State
📍 Richland, WA💰 $118,023 - $180,313via icimsPosted 2026-09-10
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Responsibilities
This position allows for a hybrid arrangement with a mix of work from home and in the office.
This is a lead-level engineering position that offers a variety of challenging opportunities in Mechanical Engineering and will provide an excellent opportunity for career advancement.
Lead Mechanical design engineering efforts on a multi-disciplined project design team and apply mechanical engineering expertise to the design and analysis of special purpose equipment, pressure vessels, and interfacing systems, controls, and structural support elements
Prepare and review complex calculations
Prepare and review mechanical systems/equipment designs
Prepare documented design input for drawing production (i.e., P&IDs, machine layouts, general arrangements, etc.)
Prepare and review equipment specifications
Communicate with vendors via clearly written and complete specifications
Prepare and review reports/studies
Develop single-discipline/simple-scope project budgets, schedules, and project work plans; monitor own work to ensure it is completed within budget and on schedule
Interface directly with customers in project meetings
Mentor junior engineers
Qualifications
Must be a U.S. Citizen; Dual citizenship with a country other than the U.S. does not qualify.
Essential skills and experience:
Must be able to obtain US Government security clearance
BSME or MSME degree in engineering from an ABET-accredited program with a strong academic background and interest in thermodynamics, heat transfer, fluid mechanics, machine design, or thermal systems
10+ years of progressive responsible experience in mechanical engineering ideally in a nuclear environment
Experience with producing engineering designs and analysis for piping, pressure vessels, HVAC, and/or radioactive material handling systems
Working knowledge of Codes, Standards, and Regulations that apply to mechanical engineering design (eg., ASME B31 piping Codes, ASME Boiler & Pressure Vessel Code, ASME AG-1)
Experience with Finite Element Analysis or advanced engineering software (e.g., ANSYS, AutoPIPE, Datacor/AFT flow simulation, Hourly Analysis Program, Trace 700)
Excellent written and verbal communication skills
Valued but not required skills and experience:
Professional Engineer License (PE)
DOE experience preferred; commercial or Navy
Field engineering and construction experience
Experience with CAD software (e.g., Solidworks, Inventor, Microstation, AutoCAD)
Programming or scripting (e.g., Python, MATLAB, Mathcad, advanced Excel)
Experience with glovebox and hot cell design
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
Sargent & Lundy’s Government Services Division provides cutting-edge engineering design and consulting support to the management and operating contractors for US Department of Energy (DOE) sites and national laboratories. Specifically, we support the DOE Environmental Management Directorate as well as the National Nuclear Security Administration (NNSA) laboratories and sites. What does this mean? You can be a part of multi-discipline design teams supporting projects cleaning up the environmental damage associated with the legacy nuclear weapons production complex and/or preserving our country’s nuclear deterrent. Sargent & Lundy’s personnel design facilities, systems, and equipment that treat, store, and dispose of nuclear waste as well as systems that safely handle and process nuclear material. This mission-critical work is meaningful and
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