Controls Engineer

Critical-Systems; Rockville (MD); On-site; USD 85,000 - 130,000; Full time

Benefits offered by this job

Medical, Dental, Vision Insurance

401(k)

Paid Time Off (PTO)

Performance-based incentives

Professional development

Job summary

Critical Systems LLC is seeking a highly skilled Controls Engineer to design, program, commission, and support BAS for commercial, industrial, and mission-critical facilities in the Rockville area. You will work with Delta Controls, JCI, and Niagara Framework platforms, implementing control sequences, graphics, alarms, trends, and system integrations.

Ideal candidates have 3+ years in HVAC controls, strong reading of drawings, and proven troubleshooting abilities.

Qualifications

• Minimum of 3 years of experience in HVAC controls, building automation, or controls engineering.

Responsibilities

• Design BAS control solutions for HVAC systems.
• Program, configure, and commission control systems using Delta Controls, JCI, and Niagara Framework.

Skills

BAS controls

HVAC systems

Delta Controls

Johnson Controls (JCI)

Niagara Framework

BACnet

Modbus

commissioning

troubleshooting

reading drawings

Microsoft Office

Education

Bachelor's degree in Mechanical Engineering, Electrical Engineering, Controls Engineering, or related field

Equivalent combination of education and experience

Tools

Delta Controls

Johnson Controls (JCI)

Niagara Framework (N4)

Job description

Job Summary:

The Controls Engineer will support the design, programming, commissioning, and maintenance of Building Automation Systems (BAS) and HVAC control systems for commercial, industrial, and mission-critical facilities. The Controls Engineer will have hands-on experience with Delta Controls, Johnson Controls (JCI), Niagara Framework, and other BAS platforms, along with a strong understanding of HVAC systems, control sequences, and system integration.

The Controls Engineer will work closely with project managers, customers, contractors, and internal teams to deliver high-quality control solutions from project conception through commissioning and ongoing support.

Duties and Responsibilities:

• Design and develop Building Automation System (BAS) control solutions for HVAC systems.
• Program, configure, and commission control systems utilizing Delta Controls, Johnson Controls (JCI), and Niagara Framework platforms.
• Develop and implement control sequences, graphics, alarms, trends, and system integrations.
• Review project plans, specifications, and sequence-of-operation documents to ensure proper system design and implementation.
• Perform point-to-point verification, startup, commissioning, and functional performance testing of control systems.
• Troubleshoot hardware, software, communication networks, and field devices to resolve system issues.
• Integrate HVAC equipment including air handling units, chillers, boilers, VAV systems, pumps, cooling towers, and energy management systems.
• Collaborate with customers, consulting engineers, contractors, and vendors throughout the project lifecycle.
• Provide technical support during installation, startup, and warranty periods.
• Maintain accurate project documentation, programming backups, commissioning reports, and as-built documentation.
• Support project scheduling and coordinate field activities to ensure projects are completed on time and within budget.
• Participate in customer training and turnover meetings.
• Stay current with industry standards, emerging technologies, and BAS platform enhancements.

Required Qualification:

• Bachelor's degree in Mechanical Engineering, Electrical Engineering, Controls Engineering, Computer Engineering, or a related technical field preferred.
• Equivalent combination of education and relevant industry experience may be considered.
• Minimum of 3 years of experience in HVAC controls, building automation, or controls engineering.
• Experience with:
  • Delta Controls
  • Johnson Controls (JCI)
  • Niagara Framework (N4)
  • BACnet and Modbus communication protocols
  • HVAC control systems and sequences of operation
• Experience with commissioning, startup, and troubleshooting of BAS systems.
• Ability to read and interpret mechanical drawings, electrical schematics, and construction documents.
• Proficiency with Microsoft Office applications.
• Excellent analytical, troubleshooting, and problem-solving skills.
• Strong written and verbal communication skills.

Preferred Qualifications:

• Niagara N4 Certification
• Delta Controls Certification
• Johnson Controls Metasys experience
• Experience with data centers, healthcare facilities, laboratories, or mission-critical environments
• Knowledge of energy management and system optimization strategies

Benefits at Critical Systems LLC:

• Medical, Dental, and Vision Insurance
• 401(k)
• Generous Paid Time Off (PTO)
• Competitive salary with performance-based incentives
• Opportunities for professional development and continuous learning
• Collaborative, growth-oriented team culture
• Employee Assistance Program

Critical Systems LLC is an Equal Opportunity Employer