February 11, 2026

Hargis Engineers

Pentz

Reny

Mills

Bigbey

Kavulla

Sutton

Turner

Roper

Anderson

Seattle-based Hargis Engineers promoted Josh Kavulla to principal and Jared Bigbey to senior associate. Kavulla brings decades of experience supporting Fortune 100 clients across hyper-scale data centers, advanced research and laboratory environments, and ground-up campus developments that integrate both horizontal infrastructure and vertical building systems. Bigbey provides proactive life-cycle technology analyses and flexible implementation strategies to support retail logistics and fulfillment centers, particularly those incorporating robotics and rapidly evolving technologies.

Eric Mills has been promoted to principal in the mechanical leadership group. Mills brings 25 years of experience in HVAC, plumbing, and refrigeration systems in sophisticated operating environments. In his expanded role, Mills will guide multidisciplinary teams in developing scalable, energy-conscious solutions that support enterprise clients across multiple geographic regions and evolving operational needs.

Jake Reny, James Pentz, and MacGregor Anderson have joined the mechanical leadership team as senior associates. They support Fortune 100 clients and commercial projects nationwide, and contribute to internal initiatives focused on technology, efficiency, and technical staff mentorship. Pentz and Anderson began their careers at Hargis as interns.

David Roper has been promoted to associate principal, and Andrew Turner to associate, with the electrical program. Roper has extensive experience in commercial office environments, industrial, aerospace, and manufacturing-fabrication operations supporting Fortune 100 clients by delivering technically complex program spaces. Turner is an electrical consultant who supports national retail programs by contributing to the planning and implementation of scalable electrical systems.

Josh Sutton has been promoted to senior associate with commissioning services. With extensive experience as an electrical contractor and professional engineer, he supports fast-paced data centers, hospitals and retail fulfillment programs.