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3 sr mechanical development engineer jobs found in St. Louis

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St. Louis Onsite sr mechanical development engineer
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ES
Aug 05, 2026
Full time
Sr. Project Engineer - Gas
$95,000 - $120,000 yearly
ENTRUST Solutions Group St. Louis, MO
Introduction: Join our dedicated team as a Sr. Project Engineer, where you will contribute to critical infrastructure projects that support safe, reliable energy delivery. ENTRUST Solutions Group is an industry leader in engineering, consulting, and automation services, recognized as an ENR Top 100 firm. In this role, you will be at the forefront of designing and delivering natural gas distribution and transmission solutions, ensuring projects meet the highest standards of quality, safety, and regulatory compliance. Responsibilities: In this role, you will support the design and execution of natural gas infrastructure projects, including gas distribution and transmission systems, meter and gate stations, and high-pressure pipelines. You will work closely with Project Managers and senior technical leaders to advance engineering designs, identify opportunities for process improvement, and deliver high-quality results. You will assist with proposal development, estimating...
BC
Aug 05, 2026
Full time
Electrical Project Engineer
Birch Creek Energy St. Louis, MO
Birch Creek Energy, a utility-scale solar development company with projects throughout the United States, is seeking an experienced Electrical Project Engineer who thrives in our team-oriented culture and shares our mission to create a future with more renewable energy. Birch Creek was ranked #3 on Inc. 5000's list of Fastest Growing Companies in 2023. Our headquarters is in St. Louis, with an additional office location in Los Angeles. The ability to work from our STL or LA office is a plus factor, but remote-work candidates are also welcomed. Job Overview: Reporting to the Sr Director of Execution Engineering, the Electrical Project Engineer is responsible for managing engineering from late-stage development through completion of construction. This position is an integral part of executing Birch Creek Energy's 13 GW of solar and battery storage project pipeline in multiple states throughout the U.S. Through design review and construction support, the Electrical Project...
BC
Aug 05, 2026
Full time
Civil Project Engineer
Birch Creek Energy St. Louis, MO
Birch Creek Energy is a rapidly growing utility-scale solar development company focused on mid-market projects across multiple RTOs. Recently recapitalized and ranked #3 on Inc. 5000's list of Fastest Growing Companies (2023), the Company is actively building its independent power producer (IPP) platform and executing meaningful project M&A. With a team of approximately 60 professionals, Birch Creek seeks self-starters who share its commitment to accelerating solar development across the United States. This is a unique opportunity for a professional with demonstrated experience as a Civil Project Engineer of Utility Scale renewable construction projects to join a growing and dynamic company. Birch Creek's main offices are located in St. Louis (HQ) and Los Angeles. Remote-work candidates are welcome. Job Overview: Reporting to the Sr Director of Execution Engineering, the Civil Project Engineer is responsible for managing engineering from late-stage development through...
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