Sargent & Lundy

Senior Mechanical Engineer 2 - Mission Critical

Sargent & Lundy$100K — $152K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • U.S. Citizenship required; dual citizenship is not eligible.
  • Ability to obtain US Government security clearance
  • BSME or MSME degree from an ABET-accredited program, with focus on thermodynamics, heat transfer, fluid mechanics, machine design, or thermal systems
  • 7+ years in mechanical engineering, preferably in nuclear settings
  • Knowledge of mechanical design codes and standards (e.g., ASME B31, ASME Boiler & Pressure Vessel Code)
  • Experience with engineering software like ANSYS and CAD applications such as Solidworks or AutoCAD
  • Strong written and verbal communication skills

Responsibilities

  • Support mechanical design engineering in multi-disciplinary project teams
  • Produce engineering calculations, design drawings, and reports
  • Apply mechanical engineering expertise for the design and qualification of structures and systems
  • Create procurement and construction specifications for mechanical sections
  • Attend project meetings and conduct field observations
  • Mentor junior engineers

Benefits

  • Hybrid work arrangement (combination of remote and in-office work)
  • Career advancement opportunities in a mid-level engineering role
  • Participation in meaningful projects related to environmental cleanup and nuclear security
  • A collaborative and innovative work environment that encourages technology integration
  • Comprehensive benefits package supporting employee well-being
Full Job Description
Responsibilities

This position allows for a hybrid arrangement with a mix of work from home and in the office.

This is a mid-level engineering position that offers a variety of challenging opportunities in Mechanical Engineering and will provide an excellent opportunity for career advancement.
  • Support mechanical design engineering efforts on multi-disciplined project design team
  • Responsible for production of engineering calculations/analyses, design drawings and engineering reports
  • Apply mechanical engineering expertise to the design and qualification of structures, systems, and components
  • Produce Procurement Specifications and Construction Specifications (Mechanical sections)
  • Attend project meetings and perform field walk downs
  • 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
  • 7+ years of progressive responsible experience in mechanical engineering ideally in a nuclear environment
  • 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)
  • Experience with CAD software (e.g., Solidworks, Inventor, Microstation, AutoCAD)
  • 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
  • Programming or scripting (e.g., Python, MATLAB, Mathcad, advanced Excel)
  • Experience with glovebox and hot cell design


Technology & Innovation

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.


Compensation Range

$100,019 - $152,807

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 challenging-work you can be proud of.

About Sargent & Lundy

Sargent & Lundy is an engineering consulting firm that provides comprehensive engineering, energy business consulting, and project services for power generation and transmission projects. The company was founded in 1891 and is headquartered in Chicago, Illinois. Sargent & Lundy has a team of over 2,000 professionals who have extensive experience in the power industry and can provide clients with innovative solutions to complex challenges. The company has worked on a wide range of projects including nuclear power plants, fossil fuel power plants, and renewable energy projects.
Learn more about Sargent & Lundy
Size
2,000 employees
Industry
Founded
1891

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