BAS Controls Engineer

Job Summary

We are seeking a BAS Controls Engineer for a contract opportunity in Sioux Falls, SD. This role is ideal for an experienced HVAC controls professional who enjoys a balanced mix of hands-on field troubleshooting and office-based engineering work.

The BAS Controls Engineer will support large commercial building automation projects involving central chiller plants, hot water systems, VAV boxes, and other centralized HVAC infrastructure. This opportunity offers strong technical variety, daily problem-solving, and visibility across both field execution and system design.

You will work in a collaborative project environment with supportive leadership, engaged field teams, and the opportunity to contribute directly to project success. This role is a strong fit for someone who values teamwork, clear communication, technical ownership, and meaningful impact on building system performance.

Key Responsibilities

- Perform hands-on troubleshooting and diagnostics for commercial HVAC controls, central chiller plants, hot water systems, and VAV systems.
- Use voltmeters and multimeters to identify faulty hardware, wiring issues, short circuits, open circuits, and system errors.
- Design, engineer, and support Building Automation System solutions for large commercial facilities.
- Manage technical documentation, engineering follow-up, design adjustments, and field-driven project updates.
- Coordinate daily onsite activities with subcontractors, assign tasks, monitor progress, and support project milestones.
- Provide technical updates and progress reporting to general contractors and internal project stakeholders.

Compensation and Benefits

- Pay range: $40 to $45 per hour.
- Job type:
Contract/Temporary.

- Location:

Sioux Falls, SD.
- Work environment:
Approximately 50 percent field troubleshooting and 50 percent office-based engineering.
- Travel:
Regular local travel to customer sites is required.

Equal Opportunity Employer / Disabled / Protected Veterans

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The pay transparency policy is available here:
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For temporary assignments lasting 13 weeks or longer, AllSTEM Connections is pleased to offer major medical, dental, vision, 401k and any statutory sick pay where required.

We are committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation for any part of the employment process, please contact your staffing representative who will reach out to our HR team.

AllSTEM Connections participates in the E-Verify program in certain locations as required by law. Learn more about the E-Verify program.

We also consider for employment qualified applicants regardless of criminal histories, consistent with legal requirements, including, if applicable, the City of Los Angeles' Fair Chance Initiative for Hiring Ordinance. Pursuant to applicable state and municipal Fair Chance Laws and Ordinances, we will consider for employment-qualified applicants with arrest and conviction records, including, if applicable, the San Francisco Fair Chance Ordinance. For Los Angeles, CA applicants:
Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.

Additional Skills

Required Qualifications and Skills

- Troubleshoot and support HVAC Building Automation Systems for large commercial buildings.
- Engineer and design BAS solutions for centralized HVAC infrastructure.
- Coordinate field execution, subcontractor activities, and project documentation.
- Support multiple BAS projects in a fast-paced commercial construction environment.

- 3 or more years of dedicated HVAC Controls and Building Automation Systems engineering experience.
- Proven experience with large commercial buildings and centralized HVAC systems.
- Expert-level ability to use multimeters and electrical meters to diagnose faulty hardware, wiring issues, and electrical problems.
- Strong understanding of HVAC controls, control sequences, field devices, and system integration.
- Ability to…