HVAC Controls Engineer

HVAC Engineer

Location: Sioux Falls, SD

Job Type: Full-Time, Long-Term Project Assignment

Schedule: Onsite, Monday through Friday

Loyal Source is seeking a skilled HVAC Engineer to support a large-scale construction project in Sioux Falls, South Dakota. This is an exciting opportunity to join a growing field support team on a 3-year prison construction project consisting of multiple buildings and coordination across numerous contractors and subcontractors. The ideal candidate will possess strong HVAC systems knowledge, troubleshooting expertise, and the ability to collaborate effectively with project stakeholders.

• Large men's prison construction project located in Sioux Falls, SD
• Multi-building campus with multiple contractors and subcontractors
• Long-term, 3-year project commitment
• Focus on building and supporting a strong local field operations team

• Perform field troubleshooting, startup, commissioning, and system validation activities for HVAC and building automation systems
• Support HVAC controls systems and coordinate resolutions for technical issues
• Collaborate with subcontractors, project managers, owners, and other stakeholders to ensure project success
• Review system performance and assist with commissioning efforts
• Track action items, manage follow-up activities, and provide engineering support throughout project execution
• Utilize testing equipment, including volt meters and multimeters, to diagnose and resolve system issues
• Support installation verification and ensure systems are operating according to design specifications

• 50% Field Troubleshooting & Commissioning
  • Diagnose and resolve HVAC and controls-related issues
  • Conduct system testing, startup, and commissioning activities
  • Support field operations and technical problem-solving
• 50% Engineering Coordination & Follow-Up
  • Coordinate with contractors, subcontractors, and project stakeholders
  • Manage technical documentation and issue tracking
  • Support project engineering activities and system performance reviews

• Experience working with HVAC systems, controls, commissioning, or building automation systems
• Strong troubleshooting and problem-solving abilities
• Experience using volt meters and multimeters
• Ability to work effectively in a fast-paced construction environment
• Strong communication and coordination skills
• Reliable transportation and ability to pass a background check

Pay: $44.41 hourly

Please note
: this position is notional and contingent upon the award of a government contract.

Notional opportunities are roles in the planning stages and contingent on contract awards. By applying to notional positions, you can express early interest, enhancing your employment prospects and positioning yourself at the forefront of potential job opportunities. This proactive approach gives you an edge and boosts your visibility to employers, making it a strategic choice for those eager to explore future roles and expand their professional network.

Loyal Source provides healthcare and technology solutions designed to improve outcomes and support mission-critical operations. Guided by innovation and purpose, we help organizations achieve success across complex challenges worldwide. Loyal Source is a military friendly employer and proud partner of the Military Spouse Employment Partnership program.

Loyal Source uses AI‑powered voice screening as part of our application process. After you apply, you will receive a brief qualification survey via text or email. Candidates who meet the position requirements will then be invited to complete a quick AI‑powered voice assessment. This easy, no‑scheduling‑required process helps us and the candidate move the hiring process forward faster.

We are committed to providing equal employment opportunities to all applicants. If you have a disability or medical condition and need a reasonable accommodation to participate in this step of the hiring process, you may request an alternative method or accommodation at any time by contacting Human Resources at