Principal Mechanical Engineer Visa Sponsorship Jobs in Missouri
Principal mechanical engineer visa sponsorship jobs in Missouri span aerospace manufacturing in St. Louis, industrial equipment firms in Kansas City, and defense contractors statewide. Boeing, Emerson Electric, and Leggett & Platt are among the employers with engineering sponsorship histories. Missouri's dense manufacturing base and research university pipeline support consistent demand for senior mechanical engineering talent.
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Get Access To All JobsSenior Mechanical Power Engineer
- (195053)
At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we foster a culture of inclusion throughout our company and within our communities, we constantly ask ourselves: What is our impact on the world?
Each and every role throughout our organization makes a difference in our ability to change the world for the better. Read further to learn how you could help make great things possible not only in your community, but around the world.
We believe electricity powers modern life. As part of our Power sector, you’ll help shape how electricity is generated, transmitted and delivered as global energy demands grow. From massive data centers to modernizing transmission systems, our industry-recognized engineers and scientists have been at the forefront of grid transformation for more than a century. You’ll work side-by-side with these experts and contribute to reliable, resilient and sustainable power systems, helping communities thrive and industries expand. This isn’t just a job, it’s a chance to drive infrastructure forward, power innovation and leave your mark on our energy future.
HDR is seeking an experienced Senior Mechanical Engineer to join our Missouri-based Power Generation team. As a Senior Power Mechanical Engineer, you will be joining a highly capable, multi-discipline team that supports power and energy projects primarily within the utility, IPP, industrial, institutional, and municipal sectors.
Responsibilities:
- Leading the project mechanical team and coordinating with other engineering disciplines. Most tasks will be done in a collaborative manner involving engineers and designers from several other disciplines. Communication, leadership, and organizational skills are required to lead a team of engineers, EITs and/or designers.
- Monitoring and communicating project status.
- Providing mechanical engineering support for detailed design and owner’s engineer projects on both a technical and contractual level.
- Traveling for site surveys, technical conferences, client meetings, and monitoring of construction. Travel is typically less than 10%.
The typical deliverables developed by this individual and/or their team include construction drawings, bid specifications, pipe stress analyses, mechanical equipment sizing calculations, technical memos, bid evaluations, code reviews, feasibility studies, reports, and cost estimates. Project roles will vary based on the size and type of the project, as well as the capabilities, experience, and preferred focus of the engineer. Project roles will consist of lead mechanical engineer, project engineering manager, and project manager.
Required Qualifications
- Bachelor's degree in Engineering
- A minimum of 10 years of experience
- Requires professional engineering license recognized by the licensing board for the location of the position offered. Example: Professional Engineer (PE or P.Eng) license.
- Extensive experience in project execution within the Power Market Sector
- Proficient computer skills in Microsoft Office as well as standard Power Market Sector design software (examples include PLS CAD, AutoCAD, Plant 3D, AutoPipe, and Revit)
- An attitude and commitment to being an active participant of our employee-owned culture
Preferred Qualifications
- Preferred candidates will have significant experience with industrial- and utility-scale power generation systems and equipment, and proven ability to plan, schedule, and lead design projects.
- Significant experience with the design and specification of power generation systems for simple cycle, combined cycle, distributed generation, RICE, CHP, and renewables projects is preferred.
What We Believe
HDR is our company. Together, we build on each other's life experiences and perspectives to make great things possible every day. This shapes our collaborative culture, encourages organizational trust and connects us closer to the clients and communities we serve.
Our Commitment
As employee owners, we all have a role in creating an inclusive environment where each of us is welcomed, valued, respected and empowered to bring our authentic selves to work every day.
Our eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ+, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute. Each group has an executive sponsor and is open to all employees.
Primary Location:
United States-Missouri-St Louis
Other Locations:
United States-Missouri-Kansas City
Industry:
Power
Schedule:
Full-time
Employee Status:
Regular
Business Class:
Power Generation
Job Posting:
Aug 5, 2026
Senior Mechanical Power Engineer
- (195053)
At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we foster a culture of inclusion throughout our company and within our communities, we constantly ask ourselves: What is our impact on the world?
Each and every role throughout our organization makes a difference in our ability to change the world for the better. Read further to learn how you could help make great things possible not only in your community, but around the world.
We believe electricity powers modern life. As part of our Power sector, you’ll help shape how electricity is generated, transmitted and delivered as global energy demands grow. From massive data centers to modernizing transmission systems, our industry-recognized engineers and scientists have been at the forefront of grid transformation for more than a century. You’ll work side-by-side with these experts and contribute to reliable, resilient and sustainable power systems, helping communities thrive and industries expand. This isn’t just a job, it’s a chance to drive infrastructure forward, power innovation and leave your mark on our energy future.
HDR is seeking an experienced Senior Mechanical Engineer to join our Missouri-based Power Generation team. As a Senior Power Mechanical Engineer, you will be joining a highly capable, multi-discipline team that supports power and energy projects primarily within the utility, IPP, industrial, institutional, and municipal sectors.
Responsibilities:
- Leading the project mechanical team and coordinating with other engineering disciplines. Most tasks will be done in a collaborative manner involving engineers and designers from several other disciplines. Communication, leadership, and organizational skills are required to lead a team of engineers, EITs and/or designers.
- Monitoring and communicating project status.
- Providing mechanical engineering support for detailed design and owner’s engineer projects on both a technical and contractual level.
- Traveling for site surveys, technical conferences, client meetings, and monitoring of construction. Travel is typically less than 10%.
The typical deliverables developed by this individual and/or their team include construction drawings, bid specifications, pipe stress analyses, mechanical equipment sizing calculations, technical memos, bid evaluations, code reviews, feasibility studies, reports, and cost estimates. Project roles will vary based on the size and type of the project, as well as the capabilities, experience, and preferred focus of the engineer. Project roles will consist of lead mechanical engineer, project engineering manager, and project manager.
Required Qualifications
- Bachelor's degree in Engineering
- A minimum of 10 years of experience
- Requires professional engineering license recognized by the licensing board for the location of the position offered. Example: Professional Engineer (PE or P.Eng) license.
- Extensive experience in project execution within the Power Market Sector
- Proficient computer skills in Microsoft Office as well as standard Power Market Sector design software (examples include PLS CAD, AutoCAD, Plant 3D, AutoPipe, and Revit)
- An attitude and commitment to being an active participant of our employee-owned culture
Preferred Qualifications
- Preferred candidates will have significant experience with industrial- and utility-scale power generation systems and equipment, and proven ability to plan, schedule, and lead design projects.
- Significant experience with the design and specification of power generation systems for simple cycle, combined cycle, distributed generation, RICE, CHP, and renewables projects is preferred.
What We Believe
HDR is our company. Together, we build on each other's life experiences and perspectives to make great things possible every day. This shapes our collaborative culture, encourages organizational trust and connects us closer to the clients and communities we serve.
Our Commitment
As employee owners, we all have a role in creating an inclusive environment where each of us is welcomed, valued, respected and empowered to bring our authentic selves to work every day.
Our eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ+, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute. Each group has an executive sponsor and is open to all employees.
Primary Location:
United States-Missouri-St Louis
Other Locations:
United States-Missouri-Kansas City
Industry:
Power
Schedule:
Full-time
Employee Status:
Regular
Business Class:
Power Generation
Job Posting:
Aug 5, 2026
Principal Mechanical Engineer Job Roles in Missouri
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Search Principal Mechanical Engineer Jobs in MissouriPrincipal Mechanical Engineer Jobs in Missouri: Frequently Asked Questions
Which companies sponsor visas for principal mechanical engineers in Missouri?
Boeing's St. Louis operations, Emerson Electric, and General Dynamics have established histories of sponsoring senior engineering roles in Missouri. Defense and aerospace primes, industrial automation firms, and large-scale manufacturers tend to have dedicated immigration support processes. Sponsorship activity is strongest among companies with multi-site U.S. operations, since those employers already maintain relationships with immigration counsel for recurring filings.
Which visa types realistically fit principal mechanical engineer roles in Missouri?
The H-1B visa is the most common path: principal mechanical engineer roles qualify as specialty occupations requiring at least a bachelor's degree in mechanical engineering or a closely related field, and the employer files a Labor Condition Application with DOL before petitioning USCIS. The H-1B is subject to an annual cap and selection process. Canadian and Mexican citizens may qualify for TN visa status under the USMCA Engineer category without entering the lottery. Australian citizens may qualify for the E-3 visa, which also requires an LCA and a job offer but has its own separate cap that has never been exhausted. EB-2 and EB-3 employment-based green card pathways are available for longer-term permanent residence.
Which cities in Missouri have the most principal mechanical engineer sponsorship jobs?
St. Louis concentrates the heaviest demand, driven by aerospace and defense manufacturing anchored by Boeing and several tier-one suppliers. Kansas City follows, with strength in industrial equipment, food processing machinery, and infrastructure engineering. Springfield and Columbia have smaller but active markets tied to manufacturing operations and university research partnerships. St. Louis's Lambert International Airport corridor and its proximity to Scott Air Force Base also support defense-linked engineering roles.
How to find principal mechanical engineer visa sponsorship jobs in Missouri?
Migrate Mate lists Missouri employers with verified visa sponsorship histories, searchable by role and city, so you can focus on principal mechanical engineer positions at companies already familiar with the LCA and petition process. Filtering to Missouri surfaces the aerospace and industrial manufacturing employers in St. Louis and Kansas City most likely to have active senior engineering openings with immigration infrastructure already in place.
Are there state-specific factors that affect visa sponsorship for principal mechanical engineers in Missouri?
Missouri's concentration of defense contractors means many principal mechanical engineer roles require security clearances, which can complicate sponsorship timelines since clearances are granted to U.S. persons. However, non-clearance engineering positions at the same employers often remain open to visa holders. Missouri's research universities, including Washington University in St. Louis and Missouri S&T, also generate a pipeline of international engineering graduates who transition into local industry on OPT before pursuing employer sponsorship.
What is the prevailing wage for sponsored principal mechanical engineer jobs in Missouri?
U.S. employers sponsoring a visa must pay at least the prevailing wage, which is what workers in the same role, area, and experience level typically earn. The Department of Labor sets this rate to make sure companies aren't hiring foreign workers simply because they'd accept lower pay than a U.S. worker. It varies by job title, location, and experience. You can look up current prevailing wage rates for any occupation and location using the OFLC Wage Search page.