Moving the energy industry forward.

At SEF Energy, our companies are driven by a mutual desire to move our industry forward. Our talented team brings focus and energy to work each and every day, and we transfer this energy into everything we do – from every product we manufacture to every customer we serve.

Our culture is a competitive advantage and we are intentional about hiring the right people to carry out our mission and our core values. If you thrive in a team-based environment that encourages collaboration, innovation and trust, we’d love to talk with you.

Ready to energize your career?

At SEF’s group of companies, you have the opportunity to take your career to the next level all while supporting the growth of the U.S. energy industry. We offer a variety of energy careers including CNC machining, manufacturing, engineering, field service, management, sales and more. Check out our open positions below.

SEF Energy Holding Company

SEF Energy is a private holding company that serves as an operational support center for our portfolio of U.S.-based oilfield service manufacturing companies: Downing, OSO Perforating and Applied Industrial Machining. Energy careers at SEF include finance, accounting, human resources, HSE and more. 

Downing is a domestic oilfield solution provider that manufactures wellhead systems and advanced frac equipment. Headquartered in Oklahoma City, Downing has manufacturing and service locations nationwide.  Energy jobs include manufacturing, engineering, field service, management, sales and more.

Oso Perforating is a downhole tool provider specializing in designing and manufacturing a variety of high-quality perforating guns and ancillary equipment.  Our manufacturing capacity coupled with our technical prowess allows us to be highly responsive to our customers. Energy careers include engineering, sales and more.

Applied Industrial Machining and Manufacturing Services

Applied Industrial Machining, based in Oklahoma City, machines and manufactures oilfield products and specialized parts. AIM provides prototyping, hot jobs, contract manufacturing and more. Qualified CNC machinists are in high demand right now. Available energy jobs also include manufacturing, management and more.

Perks & Benefits

At SEF, you are not just a number, but a valued member of our team. We value hard work and ingenuity, and we compensate our employees for it. Check out the perks and benefits of working within the SEF family of companies.

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