Senior Mechanical Designer 1 - Mission Critical
Sargent & Lundy
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Richland, WA · Posted November 10, 2026
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Where Richland, WA ranks
Where Richland, WA placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #4Best cities for AI-skill jobs in the Pacific Northwest13% · of 17
- #4Best cities for junior jobs in Washington32% · of 12
- #4Best cities for mid-career professionals in the Pacific Northwest58% · of 17
- #6Best cities for junior jobs in the Pacific Northwest32% · of 17
- #9Best cities for software and engineering jobs in the Pacific Northwest54 openings · of 14
- #16Best cities for junior jobs in the West Coast32% · of 71
Rankings about design jobs
- Best cities for design jobs #1 New York (717 openings)
- Most requested AI skills in design jobs #1 AI tools in daily work (14.5%)
- Employers with the most design jobs #1 Amazon (176 roles)
How AI is used in this kind of work
AI use among mechanical engineers is little observed so far. Measured exposure for mechanical engineers: 8% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Skills this job asks for
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About the job
Responsibilities
Under the direction of the Mechanical Project Lead, you will be responsible for developing drawings and/or 3D models, while working on multi-disciplined design projects, and guiding junior-level designers
You will work on challenging assignments that include the design of Mechanical systems, specialty equipment, investigating, troubleshooting, and solving a wide variety of mechanical design issues
Utilize 2D and 3D CAD modeling software tools to generate design packages
Support coordination of detailed design phases for all aspects of an integrated design model
Coordinate and provide guidance to other designers and project team members to ensure a complete and timely design package
Independently plan and execute design deliverables, such as:
Representations of machine components or machine assemblies, including external and internal details of the assembled components
Auxiliary equipment panel layout and design involving pneumatic and / or fluid interfacing components, interconnecting tubing, fittings and supports, piping, fittings and supports, etc.
General arrangements (GAs) drawings
Piping isometrics, piping composites, pipe support drawings
Equipment location drawings
Perform reviews, conduct walkdowns and gather information of existing facilities, and present findings and recommendations to clients and peers
Develop your career via peer-learning through sharing of knowledge with other experienced designers by way of S&L’s systems of process and associated “Communities of Practice”
Provide guidance as a mentor in the development of less-experienced designers and drafters
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
An Associate's Degree in drafting, or a high school diploma and 1 or more years drafting course work or equivalent technical experience
Ten or more years of experience
Proficiency with design software tools such as AutoCAD, Inventor, SolidWorks, or similar, to produce 2D and 3D drawings and models
Experience in the review of mechanical equipment, including outlines and interface points, and coordinating and developing the associated deliverables
Ability to interface and communicate with engineering and design teams of other disciplines
Valued but not required skills and experience:
BIM modeling using Autodesk products (Revit) or equivalent
Geometric Dimensioning and Tolerancing (GD&T) experience
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 $77,890 - $118,999
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 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 challenging – work you can be proud of.
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.