Lead Mechanical Engineer Jobs

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Senior Mechanical Engineer - Andover, MA (On-site)

RTX Corporation

Andover, Massachusetts, USA

Full-time

Date Posted: 2025-07-30 Country: United States of America Location: MA101: Andover MA 350 Lowell St Essex 350 Lowell Street Essex, Andover, MA, 01810 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and al

Senior Mechanical Engineer - Advanced Power Generation

Black & Veatch

Chicago, Illinois, USA

Full-time

Together, we own our company, our future, and our shared success. As an employee-owned company, our people are Black & Veatch. We put them at the center of everything we do and empower them to grow, explore new possibilities and use their diverse talents and perspectives to solve humanity's biggest challenges in an ever-evolving world. With over 100 years of innovation in sustainable infrastructure and our expertise in engineering, procurement, consulting and construction, together we are build

Senior Mechanical Engineer 1 - Nuclear

Sargent & Lundy LLC.

Augusta, Georgia, USA

Full-time

Description You will be involved in nuclear power plant systems design, including preparation or review of: Modification packages for operating nuclear power plantsFunctional mechanical drawings and/or drawings for nuclear power plant systemsEngineering analyses and evaluations to support modifications and operation of plant systemsTechnical specifications and procurement documents for plant equipmentVendor bid evaluations for plant equipmentStudies and options evaluations for modifications to

Senior Mechanical Engineer Analyst 2 - Nuclear

Sargent & Lundy LLC.

Pittsburgh, Pennsylvania, USA

Full-time

Description Our electric power generation clients are seeking to increase the power output of their existing power plants to meet the electric demands. This is expanding work in the Mechanical Analysis Engineering group. You will work on major systems, equipment, and plant process in the following areas: Develop and lead licensing basis system and component evaluations for nuclear power uprate projects.This position will offer you the ability to directly apply your knowledge of thermodynamics,

Specialist, Mechanical Design Engineer (FOS)

Harris Corporation

Cincinnati, Ohio, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie

Mechanical Engineer - Aviation & Federal (Oak Ridge)

Burns & McDonnell

Oak Ridge, Tennessee, USA

Full-time

Description The Staff Mechanical Engineer will work on project teams in Oak Ridge, TN to create world class designs for new projects, alterations and redevelopments on a variety of equipment and infrastructure projects that will primarily support the local DOE complexes (e.g. ORNL and Y-12). Other projects may include municipal, power, process, corporate, healthcare, pipeline, airports, institutional, industrial, manufacturing, and military facilities. It is anticipated that they will have direc

Senior Mechanical Engineer 1 - Government Services

Sargent & Lundy LLC.

Remote

Full-time

Description Sargent & Lundy's Government Services Division provides cutting-edge engineering and consulting to the management and operating contractors for the US Department of Energy (DOE) and the National Nuclear Security Administration (NNSA). What does this mean? You can be a part of multi-discipline teams developing and designing facilities, systems, and equipment for the nation's major research laboratories and the legacy nuclear weapons production complex. This critical engineering work

Senior Mechanical Engineer

Leidos

Chantilly, Virginia, USA

Full-time

Description The Multi-Domain Solutions division at Leidos is seeking a Mechanical Engineer to be based on site with our Intel Community customer. This position will be responsible for designing, cost estimating, scheduling, engineering, coordination, contracting, installation oversite, inspection, and acceptance of mechanical systems/services, which include HVAC, HVAC controls, chillers, boiler, water distribution, ductwork, plumbing, and fire protection systems associated with Intel customer fa

Staff Mechanical Engineer - Launch & Recovery Systems

Shield AI Inc

Dallas, Texas, USA

Full-time

Founded in 2015, Shield AI is a venture-backed defense technology company with the mission of protecting service members and civilians with intelligent systems. Its products include the V-BAT aircraft, Hivemind Enterprise, and the Hivemind Vision product lines. With offices in San Diego, Dallas, Washington, D.C., Boston, Abu Dhabi (UAE), Kyiv (Ukraine), and Melbourne (Australia), Shield AI's technology actively supports U.S. and allied operations worldwide. For more information, visit Follow Sh

Principal Mechanical Engineer - A-Kit Integration/Installation (Onsite)

RTX Corporation

Richardson, Texas, USA

Full-time

Date Posted: 2025-06-19 Country: United States of America Location: HTX36: Richardson, TX 3200 E Renner Rd , Richardson, TX, 75082-2402 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Top Secret Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and

Senior Mechanical Engineer - Patriot PAC-2 Canister

RTX Corporation

Tewksbury, Massachusetts, USA

Full-time

Date Posted: 2025-07-31 Country: United States of America Location: MA131: Tewksbury, MA Bldg 1 Assabet 50 Apple Hill Drive Assabet - Building 1, Tewksbury, MA, 01876 USA Position Role Type: Remote U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help

Principal Mechanical Engineer - Aircraft Equipment Integration (Onsite)

RTX Corporation

Richardson, Texas, USA

Full-time

Date Posted: 2025-07-16 Country: United States of America Location: HTX36: Richardson, TX 3200 E Renner Rd , Richardson, TX, 75082-2402 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Top Secret Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and

Staff Mechanical Engineer, Hardware Test (R3474)

Shield AI Inc

Dallas, Texas, USA

Full-time

Founded in 2015, Shield AI is a venture-backed defense technology company with the mission of protecting service members and civilians with intelligent systems. Its products include the V-BAT aircraft, Hivemind Enterprise, and the Hivemind Vision product lines. With offices in San Diego, Dallas, Washington, D.C., Boston, Abu Dhabi (UAE), Kyiv (Ukraine), and Melbourne (Australia), Shield AI's technology actively supports U.S. and allied operations worldwide. For more information, visit Follow Sh

Sr. Mechanical Engineer - Racks & Enclosures (Onsite)

RTX Corporation

Richardson, Texas, USA

Full-time

Date Posted: 2025-06-19 Country: United States of America Location: HTX36: Richardson, TX 3200 E Renner Rd , Richardson, TX, 75082-2402 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Top Secret Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and

Mechanical Engineer-HVAC OR Plumbing

Jobot

San Jose, California, USA

Full-time

This Jobot Job is hosted by: Christie Bauer Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $100,000 - $180,000 per year A bit about us: We are a growing mechanical company looking for a Mechanical Engineer for our commercial projects. Why join us? Industry Leading Salaries! Extensive Benefits Package!PTOPaid Holidays Job Details Job Details: We are seeking a highly skilled, dedicated, and experienced Mechanical Engineer to join our dyn

Mechanical Engineer-HVAC OR Plumbing

Jobot

Alameda, California, USA

Full-time

This Jobot Job is hosted by: Christie Bauer Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $100,000 - $180,000 per year A bit about us: We are a growing mechanical company looking for a Mechanical Engineer for our commercial projects. Why join us? Industry Leading Salaries! Extensive Benefits Package!PTOPaid Holidays Job Details Job Details: We are seeking a highly skilled, dedicated, and experienced Mechanical Engineer to join our dyn

Senior Mechanical Engineer 2 (Power Uprates) - Nuclear

Sargent & Lundy LLC.

Chicago, Illinois, USA

Full-time

Description Our electric power generation clients are seeking to increase the power output of their existing power plants to meet the electric demands. This is expanding work in the Mechanical Analysis Engineering group. You will work on major systems, equipment, and plant process in the following areas: Develop and lead licensing basis system and component evaluations for nuclear power uprate projects.This position will offer you the ability to directly apply your knowledge of thermodynamics,

Mechanical Engineer/Design Engineer (Mechanical Contractor)

Jobot

Eden Prairie, Minnesota, USA

Full-time

Top Tier Mechanical Contractor Seeks Experienced Mechanical Engineer, Top End Compensation Package, Large Projects This Jobot Job is hosted by: Ross Theel Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $90,000 - $135,000 per year A bit about us: Our client is a leading mechanical contracting firm specializing in innovative HVAC, plumbing, and piping systems for commercial and industrial projects. With decades of industry experience, this c

Mechanical Engineer - PE

Trilon Group

Green Bay, Wisconsin, USA

Full-time

Mechanical Engineer - PE Department: MEP Employment Type: Full Time Location: Green Bay, WI Reporting To: Jeff Deal Description CPH is a multi-disciplined Engineering and Architectural design firm that ranks in the nation's Top 500 Design Firms by ENR Magazine. CPH has an opening in our Sanford, FL location for the following position: Mechanical Engineer - PE with 5+ years of experience in commercial and industrial design. This position may be eligible for hybrid flexibility. Hiring Bonu

Mechanical Engineer - PE

Trilon Group

Charlotte, North Carolina, USA

Full-time

Mechanical Engineer - PE Department: MEP Employment Type: Full Time Location: Charlotte, NC Reporting To: Jeff Deal Description CPH is a multi-disciplined Engineering and Architectural design firm that ranks in the nation's Top 500 Design Firms by ENR Magazine. CPH has an opening in our Sanford, FL location for the following position: Mechanical Engineer - PE with 5+ years of experience in commercial and industrial design. This position may be eligible for hybrid flexibility. Hiring Bonus