Lead Mechanical Engineer Jobs (NOW HIRING)

Job Description RCS Staffing has an immediate need for a Lead Mechanical Engineer in Downers Grove, IL. This is a full-time direct-hire Office Based assignment with our client (on-site or hybrid - 3 days per week in office). This position offers a competitive package including significant holiday, 401(k), vacation and comprehensive health benefits.

Overview of YOUR role as a Lead Mechanical Engineer As a Lead Mechanical Engineer, you will lead mechanical engineering projects within the nuclear industry from proposal through design, implementation, and project closeout. This leadership role requires someone with 10+ years of experience managing plant modification projects, preparing engineering solutions, and leading technical discussions with utility clients. You will develop engineering solutions for plant systems, perform design modifications, prepare technical and commercial proposals, and mentor junior engineers while ensuring compliance with nuclear industry codes and standards.

As a Lead Mechanical Engineer YOU will: Lead mechanical engineering projects from proposal development through design, implementation, and closeout Perform engineering evaluations, design modifications, and plant modifications in accordance with nuclear industry codes, standards, and NRC regulations Prepare, review, and approve engineering calculations, technical reports, design packages, and engineering change documentation Develop engineering solutions for plant systems, components, and equipment, including life extension, equipment qualification, uprates, and modernization projects Interface directly with utility clients to define project scope, resolve technical issues, and present engineering recommendations Prepare technical and commercial proposals, including scope of work, cost estimates, schedules, and staffing plans Lead and coordinate multidisciplinary engineering teams including structural, civil, electrical, I&C, and licensing personnel Provide technical guidance and mentorship to junior and mid-level engineers Support plant outages, field walkdowns, and equipment inspections as required Ensure all deliverables meet NRC regulations, ASME Code requirements, and client quality standards Participate in business development activities with existing and prospective nuclear utility clients YOU are the ideal Lead Mechanical Engineer candidate if you have: Bachelor's degree in Mechanical Engineering (required); Master's degree preferred Minimum of 10 years of engineering experience supporting commercial nuclear power plants (required) U.S. citizenship (required) Demonstrated experience leading plant modification projects and multidisciplinary engineering teams Strong knowledge of NRC regulations, ASME Boiler & Pressure Vessel Code, ANSI standards, and nuclear quality assurance requirements (10 CFR 50 Appendix B or NQA-1) Excellent technical writing, proposal development, and client communication skills Ability to manage multiple projects while maintaining high technical quality and meeting schedules Proficiency with Microsoft, CAD, Adobe, and Gothic computer system platforms It's a BONUS if you have: Professional Engineer (P.E.) license Master's degree in Mechanical Engineering Extensive commercial nuclear power plant experience Experience with plant life extension and modernization projects Track record of successful business development with utility clients Advanced technical certifications or training in nuclear systems About Our CLIENT Our client is a leading engineering firm specializing in mechanical engineering solutions for the commercial nuclear power industry. They provide comprehensive services including plant modifications, equipment qualification, design solutions, and technical consulting for utility clients

With a focus on technical excellence, regulatory compliance, and long-term client relationships, they provide an environment in Downers Grove, IL where mechanical engineers can lead meaningful nuclear infrastructure projects while managing technical teams and contributing to power generation innovation. Who WE Are RCS Staffing is a certified Women-Owned Small Business (WOSB) specializing in the recruitment of professionals for best-of-class companies throughout the United States. Since 1994, RCS recruits top talent for direct hire, temp-to-perm and contract staffing positions and provides customized payroll services.

Our Recruiting Specialties consist of all Engineering Disciplines, Project Management, Project Controls, Information Technology, Energy Efficiency and Business Professionals. RCS is an equal opportunity employer that prohibits discrimination and harassment of any type. RCS recruits, hires, and promotes for all positions without regard to race, color, religion, creed, national origin, citizenship status, disability, military status, veteran status, marital status, sexual orientation, gender identity, sex, genetic information or age.

All terms and conditions of employment such as compensation, benefits, work assignment, availability of facilities and privileges of employment are administered on the same basis of equality.