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9 principal mechanical engineer jobs found in Houston

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Houston principal mechanical engineer
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CF
Feb 19, 2026
Full time
Design Engineer - Nuclear Valves
Celeros Flow Technology Houston, TX, USA
ABOUT THE JOB - Design Engineer Location: Houston, Westplain Campus Work Environment: On-site Monday - Friday Work Schedule/Hours: Normal Business Hours Pay Range: The base pay range for this position is $90,000 - 105,000 USD. The specific pay offered may be influenced by a variety of factors, including the candidate's experience, education, and skill set. Celeros Flow Technology LLC has an immediate opening for a Design Engineer to provide engineering services required to support Copes-Vulcan brand control valves in safety-related applications for the nuclear power industry at our Houston, TX facility. The position will be primarily focused on supporting the valves program as production is scaled and expanded in the Houston facility. Travel may be required up to 10% of the time to visit customer sites, support product testing, training, etc. Must have experience in the valve industry and/or nuclear industry. Principle Duties and Responsibilities Perform...
RB
Sep 07, 2025
Full time
MEP Design Engineer - Own the Systems Behind Modular Builds
RoxBox Containers Houston, TX, USA
ROXBOX - Turning Steel Boxes into Game-Changing Spaces As our MEP Design Engineer, you'll be the systems thinker who ensures our modular builds perform as brilliantly in the real world as they look on paper. You'll play a key role in bringing order to complexity and helping our teams deliver value without waste. You don't just review plans - you solve problems, optimize systems, and make complex designs actually buildable. You speak architecture, engineering, and fabrication. You move comfortably between drawings and the real world. You're energized by technical challenges, coordination puzzles, and bringing order to fast-moving projects. If that sounds like you, you might be our next MEP Design Engineer. ROXBOX is pushing the boundaries of modular construction, turning steel-framed and container-based structures into high-performance buildings. We're looking for a hands-on, detail-obsessed MEP Design Engineer to support our design + production teams and tighten the loop between...
EL
Mar 07, 2026
Full time
Support Designer - Manufacturing Engineering
Enerflex Ltd. Houston, TX, USA
Summary This position works closely with the Technical Specialists and Manufacturing Engineers to support the standardization of manufacturing processes: Leverages understanding of design methods, software, and CAD infrastructure as needed for the improvement of manufacturing processes, expansion of material management through CAD generated BOMS, and the development of manufacturing specific detail drawings. Principle Responsibilities and Duties Assigned Control • Collaborate with Technical Specialists to integrate tray and conduit layouts into CAD models. • Build relationships with project designers to ensure completeness of project deliverables. • Work with Support Design Lead and Manufacturing Engineers to ensure project deliverables are completed on schedule. Accountable • Ensure layouts are properly supported and align with EFX standards. • Create Disassembly and Reassembly skid model drawings. • Ensure BOM's are accurate and released with drawings. • Create Daily...
TT
Feb 28, 2026
Full time
Structural Engineer
Tri-Tech Surveying & Engineering Houston, TX, USA
Tri-Tech Engineering, LP is a Houston, Texas based full service civil and structural engineering company providing services to production and custom home builders, commercial builders, developers, architects as well as individuals. We are currently seeking a Licensed, S tructural Engineer for a position in our Houston, TX office. This position offers the opportunity for you to utilize your leadership skills and expand your career goals. If you are looking for a rewarding and enjoyable culture, come join our team. We know that our ability to provide the highest level of consistent, accurate and timely engineering, surveying, and planning services to our commercial customers and residential clients begins with our incredible employees. Because of this, we offer competitive salaries, a complete benefits package, and the opportunity for advancement within our steadily expanding company. Benefits, Incentives and Career Development: Medical, Dental and Vision (Employer...
FA
Feb 21, 2026
Full time
Mechanical - Thermal Engineer (R&D)
Foxconn Assembly LLC Houston, TX, USA
Foxconn Industrial Internet (FII) provides innovative design and advanced manufacturing capabilities. FII centers around Cloud Based Computing, Big Data, High-Speed Networks, Automation, and Industry 4.0 methodology. Join an expansive network of professionals who work together within a company culture of one shared mission. FII is seeking a highly motivated Thermal Mechanical Engineer (or equivalent) with expertise in thermal and fluids engineering to contribute to the cooling of servers. As a part of the Server R&D team, the Thermal Mechanical Engineers utilize CAD software to address thermal challenges in support of server designs and technical proposals, review design work with customers and collaborate with multi-functional teams to optimize designs, validate design work, and release the products to volume manufacturing. Responsibilities: • Work on R&D, perform thermal solutions with specifications, analytical and computational analysis, designs and characterizations...
MD
Jan 30, 2026
Full time
LUT- Principal Umbilical/Controls Engineer
McDermott Houston, TX, USA
Job Description We are currently exploring potential candidates for an upcoming role at McDermott. While this position is not yet open for active recruitment, we want to connect with talented individuals who may be interested in future projects withs us. If you are passionate about building energy's future and want to be considered when this role becomes available, we encourage you to submit your details. Job Overview: The Principal Subsea Engineer is responsible for interpreting internal or external business issues and recommending best practices. They will be tasked with solving complex Subsea-related problems and will work independently with minimal guidance. The Principal Subsea Engineer may lead functional teams or projects and is regarded as a specialist in Subsea. As such, they must have in-depth expertise in Subsea as well as broad knowledge of the Subsea discipline within the Engineering function. Responsibilities Key Tasks and Responsibilities: Support...
EL
Jan 16, 2026
Full time
Controls Engineer, Retrofit
Enerflex Ltd. Houston, TX, USA
Summary The Control Engineer, Retrofit, shall develop Automation solutions, and provide support for Enerflex's Retrofit group, from initial design to implementation and commissioning of our package solutions and plant facilities for oil and gas industry. Work must be performed consistently with company mission and values and adherence to company policies and procedures. Principle Responsibilities and Duties Review or generate the SOW (Statement of Work) created for the project and, as necessary, review Turn-in data created by Enerflex Applications group including customer specification. Participate in the project Internal Kick Off Meeting. Participate in Customer Kick Off Meeting and HAZOP meeting -if necessary-. Provide Squad Check for project P&IDs considering SOW and Turn-in data. Support Control Designer in the development of wiring diagrams for Control Panel and/or Junction Boxes as per project proposal, customer specification, and industry standards....
PS
Jan 14, 2026
Full time
Structural Analysis Engineer II
Paragon Space Development Corporation Houston, TX, USA
Who we are: As Paragon Space Development celebrates 32+ years of providing award-winning life support and thermal control solutions for extreme environments, we've recognized that it is our employees that keep our business thriving. By any measure, Paragon is an exciting and rewarding place to work. Our goal is to hire the best and allow you to do the work that you enjoy! Do you want to make a difference immediately? Are you ready to apply your aerospace design engineering skills to develop cutting edge life support and thermal control products for extreme environments on Earth and in space? Are you ready to play a critical role literally doing what has not been done before? Can you excel in that team environment and carry your share of the load while also relying on others to do their part? If this sounds like you, we want you to join Paragon Space Development Corporation now. Description of Duties: Independently and/or collaboratively formulate and perform static...
EL
Jan 10, 2026
Full time
Electrical Engineer
Enerflex Ltd. Houston, TX, USA
Summary As part of the I&E Controls Group, the Electrical Engineer shall design and engineer the electrical systems for generator solutions, compression packages, gas plants and provide support for Enerflex's engineering groups, from initial design to implementation of our package solutions and plant facilities for oil and gas industry. Enerflex's modular low voltage and medium voltage generator packages total installed MW at one site can exceed over 100 MW. Working with the electrical engineering team, the candidate would perform the necessary power studies, materials selection, and integration to produce a self-contained unit that is suitable for the customer's specific needs. The system design for Enerflex's packages involve typical low and medium voltage power distribution design, grounding design, power studies, cable, and tray design. Typical equipment includes specification and procurement of distribution transformers, E-houses, Switchgear, MCC's, UPS, Cable, and...
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