BAS Controls Engineer - HVAC Systems & Commissioning

Critical Systems; Rockville (MD); On-site; USD 100,000 - 150,000; Full time

Benefits offered by this job

Medical, Dental, Vision Insurance

401(k)

Generous PTO

Professional development opportunities

Employee Assistance Program

Job summary

Critical Systems LLC in Rockville, MD is seeking a Controls Engineer to design, program, commission, and maintain Building Automation Systems (BAS) for commercial, industrial, and mission-critical facilities. You will work with Delta Controls, JCI, Niagara Framework, and related BAS platforms to implement control sequences and integrate HVAC systems.

Collaborate with project teams through the full project lifecycle and provide hands-on support.

Qualifications

• Bachelor's degree in engineering or equivalent experience.
• Minimum 3 years in HVAC controls, building automation, or controls engineering.
• Experience with Delta Controls, JCI, and Niagara N4.
• Familiarity with BACnet and Modbus protocols.
• Ability to read and interpret mechanical drawings, electrical schematics, and construction documents.
• Excellent analytical, troubleshooting, and problem-solving skills.
• Strong written and verbal communication skills.

Responsibilities

• Design and develop BAS control solutions for HVAC systems.
• Program, configure, and commission control systems using Delta Controls, JCI, and Niagara Framework.
• Develop control sequences, graphics, alarms, trends, and system integrations.
• Review project plans and sequence-of-operations documents for proper design.
• Perform point-to-point verification, startup, commissioning, and testing of control systems.
• Troubleshoot hardware, software, networks, and field devices to resolve issues.
• Collaborate with customers, engineers, contractors, and vendors throughout the project lifecycle.
• Provide technical support during installation, startup, and warranty periods.
• Maintain project documentation, programming backups, and commissioning reports.

Skills

HVAC controls

Building automation

Troubleshooting

Reading drawings

Communication

Project coordination

Education

Bachelor's degree in Engineering

Tools

Delta Controls

Johnson Controls (JCI)

Niagara Framework (N4)

BACnet

Modbus

Job description

Critical Systems LLC in Rockville, MD is seeking a Controls Engineer to design, program, commission, and maintain Building Automation Systems (BAS) for commercial, industrial, and mission-critical facilities. You will work with Delta Controls, JCI, Niagara Framework, and related BAS platforms to implement control sequences and integrate HVAC systems.

Collaborate with project teams through the full project lifecycle and provide hands-on support.