487 senior staff mechanical engineer jobs found

As a Fortune 500 company, Packaging Corporation of America (PCA) is an ideas and solutions company. Our corrugated packaging business seeks to be the leader in helping our customers - large and small - package, transport and display products of all kinds. Our white paper business delivers Paper With Purpose by providing the highest level of customer service and operational excellence. We have approximately 15,000 team members in more than 100 locations in the United States that strive to meet the local needs of our customers. Our mission is to serve the needs of our customers, today and tomorrow, with products and services that exceed expectations for performance and environmental responsibility. People • Customers • Trust Location: Flexible (Lower 48 States) | Travel: 80% | Relocation: Not Required Are you ready to take your engineering expertise on the road and make a real difference? As a Senior Staff Mechanical Engineer at PCA, you'll play a critical role in driving...

Fulfil is a well-funded, rapidly growing, and inclusive company that has developed a custom automation robotics system to pick and pack online orders of groceries and other consumables, bringing delight and a value proposition to consumers that doesn't exist today. Additionally, its unique design and technology is purpose-built to solve today's environmental problems in the world's food supply chain. Founded by a team with previous startup success and backed by top-tier VCs, we are committed to reducing waste, improving environmental impact, and reducing emissions with truly new technology. Our first commercial product launch went live in 2024, we deployed more in 2025 and are in line for even more in 2026. We can't do it alone -- we're seeking curious, capable, passionate team members motivated by the opportunity to create lasting impact on the world through their work. This role offers ample growth opportunities while working side-by-side with an impassioned, multi-disciplinary...

Agile Space Industries is a rapidly growing supplier of propulsion hardware and engineering services for the space industry. Headquartered in Durango, Colorado, with expanding operations in and Tulsa, Oklahoma, and upcoming growth in Seattle, Washington, Agile has achieved more than 40% year-over-year growth for the past three years, and our momentum continues to accelerate. At Agile, we design, build, and test in-space propulsion systems that give spacecraft the ability to maneuver with precision, reliability, and purpose. Our technologies play a critical role in missions that range from lunar landings and resource utilization to national defense, human exploration, and commercial space transport. We are seeking bold and driven individuals who thrive in a hands-on, fast-moving environment and want to help write the next chapter of space history as part of a close-knit, innovative team. You will take on a demanding and rewarding role at Agile, directly shaping the future of...

Job Type Full-time Description Agile Space Industries is a rapidly growing supplier of propulsion hardware and engineering services for the space industry. Headquartered in Durango, Colorado, with expanding operations in Mount Pleasant, Pennsylvania, and Tulsa, Oklahoma, Agile has achieved more than 40% year-over-year growth for the past three years, and our momentum continues to accelerate. At Agile, we design, build, and test in-space propulsion systems that give spacecraft the ability to maneuver with precision, reliability, and purpose. Our technologies play a critical role in missions that range from lunar landings and resource utilization to national defense, human exploration, and commercial space transport. We are seeking bold and driven individuals who thrive in a hands-on, fast-moving environment and want to help write the next chapter of space history as part of a close-knit, innovative team. Agile Space Industries is seeking a highly experienced Mechanical...

At Bloom Energy, our vision for a world powered by clean, reliable, and affordable energy is more than just a dream-we're making it reality. For over two decades, we've been at the forefront of the global energy transition, pioneering solutions that empower critical industries to thrive in a rapidly digitizing, energy-intensive world. From revolutionizing power for AI-driven data centers to ensuring resilience for hospitals, electric grids, manufacturing facilities, and utilities, our solid oxide fuel cell (SOFC) and solid oxide electrolyzer (SOEC) technologies are redefining what's possible by delivering energy abundance for all. With more than 30,000 fuel cell modules deployed worldwide, we are the trusted partner for Fortune 100 companies and innovators alike. Our cutting-edge solutions enable unparalleled "time-to-power" capabilities, reliability, and sustainability, ensuring our customers remain ahead in a world where soaring energy demand and intensifying energy scarcity are...

Founded in 1975, BR+A Consulting Engineers maintains a total staff of over 500 employees located at our main office in Boston and branch offices in New York, NY; Philadelphia, PA; Vienna, VA (Washington, DC); Coral Gables, FL (Miami); Chicago, IL; St. Louis, MO; Tampa, FL; Charlotte, NC; Charleston, SC; Houston, TX; New Haven, CT; Los Angeles, CA; and Toronto. BR+A provides state-of-the-art integrated and coordinated mechanical, electrical, plumbing and fire protection consulting engineering, technology systems design, lighting design, and building commissioning services. BR+A seeks an experienced Senior Electrical Engineer in our Chicago, IL office. Candidates must be strongly motivated, well organized, and show professional initiative. The ability to take ownership of assignments and perform well both independently and as part of the project team is necessary. The ideal candidate will possess a strong working knowledge of Revit, and their responsibilities will include:...

We're ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life-from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. With 3,000+ experts across North America, we partner with leading companies in aerospace, medical devices, robotics, automotive, commercial vehicles, EVs, rail, and more. As part of the global ALTEN Group-57,000+ engineers in 30 countries-we deliver across the entire product development cycle, from consulting to full project outsourcing. When you join ALTEN Technology USA, you'll collaborate on some of the world's toughest engineering challenges, supported by mentorship, career growth opportunities, and comprehensive benefits. We take pride in fostering a culture where employees feel valued, supported, and inspired to grow. This position requires access to export-controlled information. Applicants must be U.S. Persons, which includes U.S. citizens, U.S. nationals, lawful...

We're ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life-from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. With 3,000+ experts across North America, we partner with leading companies in aerospace, medical devices, robotics, automotive, commercial vehicles, EVs, rail, and more. As part of the global ALTEN Group-57,000+ engineers in 30 countries-we deliver across the entire product development cycle, from consulting to full project outsourcing. When you join ALTEN Technology USA, you'll collaborate on some of the world's toughest engineering challenges, supported by mentorship, career growth opportunities, and comprehensive benefits. We take pride in fostering a culture where employees feel valued, supported, and inspired to grow. This position requires access to export-controlled information. Applicants must be U.S. Persons, which includes U.S. citizens, U.S. nationals, lawful...

About Us Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations. With $8.1 billion in revenue for 2025, Clayco specializes in the "art and science of building," providing fast-track, efficient solutions for industrial, commercial, institutional, and residential related building projects. About LJC LJC Design & Engineering (LJC) is a full-service architecture, engineering, and design firm committed to enhancing the quality of the human experience through integrated design. We are a team of high-energy professionals who share a passion for design, a collaborative approach, and a casual culture. We solve challenges by leveraging the collective expertise and ingenuity of the best and brightest minds across development, design, engineering, and construction. The Role We...

Responsibilities Perform as lead engineer for small and larger projects with little oversight, managing the production effort of staff assigned to the project in terms of quality, budget, and schedule, overseeing the work throughout various project stages - from conceptual, feasibility, and detailed design through construction. Assist as required in the preparation of proposals and marketing materials through definition and write-ups of project scope and activities on past projects. Establish project scope, structural budgets, and design approach. Meet with client personnel to assist in preliminary planning and identify design concepts. Work with clients and professional counterparts to ensure projects are delivered on time, within budget, meetings, and/or exceeding client expectations. Responsible for the design of structural systems and components for a variety of industrial facility types; ensuring the designs conform to quality standards, recognized codes...

Job Summary We are seeking a Senior Level Structural Engineer for a direct hire opportunity in Birmingham, AL. This role is ideal for an experienced Civil/Structural Engineering professional who is ready to serve as a Discipline Lead on complex, multi-discipline industrial facility projects. As the Senior Level Structural Engineer, you will lead structural design efforts, guide engineers and designers, make key technical recommendations, and ensure high-quality project deliverables from early concept through construction. This opportunity offers a collaborative in-office environment where experienced professionals work closely across structural, civil, mechanical, process, electrical, and architectural disciplines. The role is well suited for a licensed Professional Engineer who enjoys technical leadership, mentoring, client interaction, and seeing projects move successfully from planning to completed construction. Candidates can expect a professional team environment with...

Overview Make an Impact at MSA Bring your expertise in HVAC and plumbing systems to projects that directly serve communities across Wisconsin. As a Senior Project Engineer - Mechanical , you will lead the design and delivery of high-performing building systems while mentoring the next generation of engineers. This is a hands-on technical leadership role where your decisions shape project outcomes, client relationships, and long-term infrastructure performance. At MSA, we believe great people build great communities. As a 100% employee-owned firm , our teammates share in the success of the company while working together to deliver impactful solutions for the communities we serve. We foster a collaborative environment where curiosity, innovation, and professional growth are encouraged. In this role, you will lead discipline-specific design efforts, provide technical oversight, and collaborate across multidisciplinary teams to deliver innovative and efficient mechanical...

Join a People-First, Employee-Owned Firm That's Redefining Flexibility and Growth Project Manager/Senior Mechanical Design Engineer (MEP) - National Capital Region (NCR) Interface Engineering Inc. (Relocation will be offered for highly qualified candidates.) At Interface Engineering, we believe your career should be as dynamic and rewarding as the projects you support. As a 100% employee-owned firm, we're proud to offer our Collaboration from Home policy-giving you the flexibility of a hybrid schedule with 3 days in-office per week minimum (Tuesday, Wednesday, Thursday) while staying connected to a team that values innovation, inclusion, and impact. Why Interface? We're not just engineers-we're collaborators, mentors, and trailblazers in high-performance design. Our Pathway to Leadership program offers a transparent, personalized roadmap for career advancement, empowering you to grow in the direction that excites you most. Our Culture Interface has the company...

Join a People-First, Employee-Owned Firm That's Redefining Flexibility and Growth Senior Mechanical Design Engineer I (MEP) - Honolulu, HI (Hybrid) Interface Engineering Inc. (Relocation assistance will be considered for this opportunity.) At Interface Engineering, we believe your career should be as dynamic and rewarding as the projects you support. As a 100% employee-owned firm, we're proud to offer our Collaboration from Home policy-giving you the flexibility of a hybrid schedule (2 days in-office per week minimum) while staying connected to a team that values innovation, inclusion, and impact. Why Interface? We're not just engineers-we're collaborators, mentors, and trailblazers in high-performance design. Our Pathway to Leadership program offers a transparent, personalized roadmap for career advancement, empowering you to grow in the direction that excites you most. Our Culture Interface has the company culture and work environment you have been seeking!...

Company Overview: LaBella Associates was established in 1978 and has been voted a Top Workplace for the last five years. We are headquartered in Rochester, NY with offices across New York, Ohio, Massachusetts, Pennsylvania, Virginia, North and South Carolina, The United Kingdom, Spain, and others. LaBella is a multi-disciplined architectural and engineering firm dedicated to client satisfaction through teamwork, respect, and trust. We provide services that take a project from start to finish-from a feasibility study or compliance review to record drawing development and everything in between. Job Overview: We are currently seeking Senior Gas Project Engineer(s) for our gas group in several locations throughout the North East. If you have interest in any of these locations, we would encourage you to apply. The ideal candidate has at least a Bachelor's degree in Civil or Mechanical Engineering (or other engineering field with the required experience). The successful candidate...

Lead Electrical Design Engineer Company Name: MG Engineering D.P.C. Location: New York City, NY Project Focus: Electrical Engineering, MEP/Building Systems, Power Distribution, Emergency and Standby Power, Lighting, Utility Service, High-Rise, Healthcare, Life Science, Commercial, Institutional, and Mission-Critical Projects Work Setting: Full-Time | New York City Office | Integrated MEP Engineering Environment Base Salary: $120,000-$210,000+ annually (DOE) Total Compensation Package: Potential total compensation of $140,000-$250,000+, medical, dental, vision, retirement benefits, paid leave, professional development, licensure support, and leadership advancement opportunities Recruited Exclusively By: Luxus Group Position Overview MG Engineering D.P.C. is seeking an accomplished Lead Electrical Design Engineer to provide technical leadership and design oversight for complex building and infrastructure projects from its New York City headquarters. This is a...

Amentum is seeking a skilled and driven Senior Electrical Engineer to join our engineering team based in Houston, TX. This is a design-focused role that spans the full product lifecycle - from early concept development through hardware design, fabrication, installation, and on-site operation. The ideal candidate is a licensed or degree-qualified electrical or systems engineer who brings expertise in low voltage electronics, wiring systems, sensor integration, and harness design, and who communicates and collaborates effectively across engineering and operations teams. This position offers the opportunity to lead and participate in design reviews, work alongside vendors to bring electrical hardware from schematic to reality, and provide direct technical support during field installation and testing. If you are looking for a role where your engineering decisions have real, visible consequences on mission-critical systems, this is the opportunity for you. This team supports...

Amentum is seeking a skilled and driven Senior Mechanical Enginee r to join our engineering team based in Houston, TX. This is a design-focused role that spans the full product lifecycle - from early concept development through hardware fabrication, installation, and on-site operation. The ideal candidate is a licensed or degree-qualified mechanical or aerospace engineer who brings deep expertise in mechanical systems design, structural analysis, and high-pressure fluid systems, and who communicates and collaborates effectively across engineering and operations teams. This position offers the opportunity to lead and participate in design reviews, work alongside vendors to bring hardware from drawing to reality and provide direct technical support during field installation and testing. If you are looking for a role where your engineering decisions have real, visible consequences on mission-critical systems, this is the opportunity for you. This team supports multiple US Navy...

Amentum is seeking a motivated and technically capable Senior Field Engineer - Electrical / Mechanical Integration to join our engineering team based in Houston, TX. This is a hands-on, multifaceted role that blends electrical troubleshooting, mechanical installation support, field execution, engineering design review, wiring documentation, test support, and technician mentorship. The ideal candidate has a strong technical foundation, preferably supported by a STEM degree, and direct experience working with fielded hardware that includes electrical systems, low-voltage circuits, sensors, wiring harnesses, connectors, mechanical interfaces, brackets, enclosures, mounting hardware, and instrumentation. This role requires someone who can work from schematics, wiring diagrams, mechanical drawings, interface control documents, and field work instructions to support installation, checkout, fault isolation, corrective action, and configuration updates. This is not a desk-only...

Job Title: Supervising Mechanical Engineer Location: New York, NY (On-site) Employment Type: Full-Time Salary Range: $120,000 - $150,000 annually (based on experience) Vendor Fee: 3% Company Overview: A global leader in consulting, engineering, and commissioning services, specializing in MEP systems, ICT, architectural lighting, vertical transportation, and commissioning. Known for delivering landmark projects worldwide while fostering a collaborative, inclusive, and growth-oriented work culture. Role Overview: The Supervising Mechanical Engineer will serve as a senior technical and project leadership resource, overseeing mechanical system design and project execution. The role combines advanced mechanical engineering expertise with project management responsibilities, mentorship, and cross-disciplinary coordination. Key Responsibilities: Project Leadership Represent mechanical engineering in project interactions with contractors, architects, and...