BAS Controls Engineer

Design Hire LLC; Phoenix (AZ); On-site; USD 90,000 - 130,000; Full time

Job summary

Design Hire LLC, based in Phoenix, AZ, seeks an experienced controls engineer to design, program, configure, and troubleshoot BAS and HVAC systems. You will develop PLC programs (RSLogix/Omron) and configure HMI/SCADA (AVEVA/Wonderware, Ignition), performing I/O mapping and field validation.

The role requires hands-on commissioning, strong BACnet knowledge, and collaboration with multi-discipline teams to ensure successful project delivery.

Qualifications

• 5+ years in BAS/HVAC controls, DDC, or automation.
• Experience with PLC programming (RSLogix/Omron).
• Knowledge of HMI/SCADA (AVEVA/Wonderware, Ignition).
• Strong BACnet and control protocol understanding.

Responsibilities

• Design, program, configure, and troubleshoot BAS and HVAC controls.
• Develop PLC programs using RSLogix/Omron.
• Configure HMI/SCADA with AVEVA/Wonderware, Ignition.
• Perform I/O mapping, checkout, and validation.
• Support DDC and BACnet communications and control sequences.
• Commission systems in the field from startup to calibration.
• Collaborate with mechanical, electrical, and commissioning teams.
• Review drawings, sequences, wiring diagrams, and specs.
• Prepare control narratives, test reports, and as-builts.
• Assist with upgrades, retrofits, optimization, performance.

Skills

BAS/HVAC controls

DDC systems

PLC programming

RSLogix

Omron

HMI/SCADA

BACnet

I/O mapping

Field commissioning

Documentation

Team collaboration

Education

Bachelor's degree in Engineering/related

Tools

AVEVA/Wonderware

Ignition

Job description

Phoenix, United States | Posted on 07/06/2026

Key Responsibilities

• Design, program, configure, and troubleshoot BAS and HVAC control systems.
• Develop and modify PLC programs using RSLogix, Omron, or similar platforms.
• Configure HMI and SCADA systems using AVEVA/Wonderware, Ignition, or related software.
• Perform I/O mapping, point‑to‑point checkout, device integration, and system validation.
• Support DDC programming, BACnet communication, control sequences, and networked building systems.
• Commission control systems in the field, including startup, functional testing, calibration, and troubleshooting.
• Work with mechanical, electrical, commissioning, and facility teams to resolve controls issues.
• Review control drawings, sequences of operation, wiring diagrams, and project specifications.
• Support documentation including control narratives, test reports, as‑builts, and commissioning records.
• Assist with system upgrades, retrofits, optimization, and performance improvements.

Required Experience

• 5 or more years of experience in BAS, HVAC controls, DDC systems, automation, or controls engineering.
• Experience with PLC programming, preferably RSLogix and Omron.
• Working knowledge of HMI and SCADA platforms such as AVEVA/Wonderware and Ignition.
• Strong understanding of BACnet, control protocols, I/O mapping, control loops, and field devices.
• Hands‑on commissioning, startup, troubleshooting, and system integration experience.
• Ability to read control diagrams, wiring schematics, mechanical plans, and sequences of operation.
• Strong communication skills with the ability to work with engineers, technicians, contractors, and end users.

Preferred Experience

• Bachelor’s degree in Engineering, Controls, Automation, Mechanical, Electrical, or a related technical field preferred.
• Experience with commercial, industrial, institutional, healthcare, government, or mission‑critical facilities.
• Background with HVAC equipment including AHUs, RTUs, chillers, boilers, VAVs, pumps, dampers, sensors, and valves.
• Familiarity with Modbus, LonWorks, Niagara, Tridium, Ethernet/IP, or other building automation protocols.
• Experience supporting controls upgrades, retrofits, energy optimization, or facility automation projects.

Design Hire is proud to be an Equal Employment Opportunity / Affirmative Action employer. It is our policy to consider for employment all individuals regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, gender, sex, sexual orientation, gender identity and/or expression, genetic information, veteran status or any other characteristic protected by federal, state or local law.

Employment Eligibility: If hired, a Form I-9 Employment Eligibility Verification must be completed at the start of employment. Temporary work authorization or the need for sponsorship may disqualify you from employment.