Lead Mechanical Engineer 2 - Mission Critical

Sargent & Lundy•Chattanooga, TN
•Hybrid

About The Position

This lead-level engineering position offers challenging opportunities in Mechanical Engineering and career advancement. The role leads mechanical design engineering efforts on multidisciplinary project teams, applying mechanical engineering expertise to the design and analysis of special-purpose equipment, pressure vessels, and interfacing systems, controls, and structural support elements. The position uses a hybrid work arrangement, with a mix of working from home and in the office. The engineer monitors assigned staff on technical matters, manages assigned tasks against project schedules and budgets, prepares and reviews complex calculations, mechanical systems and equipment designs, equipment specifications, reports, and studies, and provides documented design input for drawing production. The position also develops budgets, schedules, and work plans for single-discipline or simple-scope projects, interfaces directly with customers in project meetings, and mentors junior engineers. Sargent & Lundy’s Government Services Division provides engineering design and consulting support to contractors managing and operating U.S. Department of Energy sites and national laboratories. The division supports DOE Environmental Management and National Nuclear Security Administration laboratories and sites. Projects may involve facilities, systems, and equipment for treating, storing, and disposing of nuclear waste, or safely handling and processing nuclear material. Applicants must be U.S. citizens; dual citizenship with a country other than the United States does not qualify. The candidate must be able to obtain a U.S. Government security clearance.

Requirements

  • Must be a U.S. citizen; dual citizenship with a country other than the U.S. does not qualify.
  • Must be able to obtain a U.S. Government security clearance.
  • Bachelor of Science or Master of Science in Mechanical Engineering from an ABET-accredited program, with a strong academic background and interest in thermodynamics, heat transfer, fluid mechanics, machine design, or thermal systems.
  • 12 or more years of progressive, responsible experience in mechanical engineering, ideally in a nuclear environment.
  • Experience producing engineering designs and analyses for piping, pressure vessels, HVAC, and/or radioactive material handling systems.
  • Working knowledge of codes, standards, and regulations applicable to mechanical engineering design, such as ASME B31 piping codes, the ASME Boiler and Pressure Vessel Code, and ASME AG-1.
  • Experience with finite element analysis or advanced engineering software, such as ANSYS, AutoPIPE, Datacor/AFT flow simulation, Hourly Analysis Program, or Trace 700.
  • Excellent written and verbal communication skills.

Nice To Haves

  • Professional Engineer (PE) license.
  • DOE experience; commercial or Navy field engineering and construction experience.
  • Experience with CAD software such as Solidworks, Inventor, Microstation, or AutoCAD.
  • Programming or scripting experience, such as Python, MATLAB, Mathcad, or advanced Excel.
  • Experience with glovebox and hot cell design.
  • Interest in learning and effectively using emerging technologies where relevant to the role; experience with AI, automation, programming, or similar technologies is valued but not required.

Responsibilities

  • Lead mechanical design engineering efforts on multidisciplinary project design teams.
  • Apply mechanical engineering expertise to the design and analysis of special-purpose equipment, pressure vessels, and interfacing systems, controls, and structural support elements.
  • Monitor assigned staff on technical matters related to project assignments and maintain assigned tasks within project schedules and budgets.
  • Prepare and review complex calculations.
  • Prepare and review mechanical systems and equipment designs.
  • Prepare documented design input for drawing production, including P&IDs, machine layouts, and general arrangements.
  • Prepare and review equipment specifications and communicate with vendors through clear, complete specifications.
  • Prepare and review reports and studies.
  • Develop budgets, schedules, and project work plans for single-discipline or simple-scope projects; monitor own work to ensure completion within budget and on schedule.
  • Interface directly with customers in project meetings.
  • Mentor junior engineers.

Benefits

  • Medical, dental, and vision health plans.
  • Life and accident insurance.
  • Disability coverage.
  • Employee Assistance Program (EAP).
  • Back-up daycare.
  • Flexible spending account (FSA) and health savings account (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.
  • Eligible employees may participate in a yearly discretionary bonus.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service