Facilities Engineer – Building Systems & Maintenance

Onni Group; Chicago, Northern (IL, KY); Hybrid; USD 91,000 - 123,000; Full time

Job summary

Onni in Chicago seeks an Engineer to operate, maintain, and repair mechanical, plumbing, electrical, and automation systems in a Class A office building. You will monitor BAS, perform daily spa testing, and respond to tenant requests with premium service.

The role requires strong diagnostic skills, effective communication, and ability to work with a collaborative team to uphold high operational standards and building infrastructure excellence. Prior Class A experience preferred.

Qualifications

• High school diploma; an associate or bachelor’s degree in engineering, facilities management, or a related field preferred.
• City of Chicago Stationary Engineer license requires
• Universal CFC Certificate and Illinois Pool Certificate are desirable
• OSHA, HVAC, and LEED Green Associates certifications are highly desirable
• Proficiency in CMMS and BMS systems; knowledge of MEP building systems

Responsibilities

• Support the engineering team and contribute to team development.
• Perform preventive, predictive, and corrective maintenance of all building systems.
• Troubleshoot and resolve issues in mechanical systems using critical thinking.
• Follow SOPs set by Chief/Assistant Chief Engineer.
• Monitor and operate MEP and building automation systems to maintain performance.
• Respond to building emergencies with minimal tenant disruption.
• Serve as a point of contact for tenant facility needs and service requests.
• Maintain records of operations, maintenance, inspections, and repairs.
• Participate in maintenance and capital improvement projects.

Skills

Mechanical systems

Troubleshooting

Communication

Teamwork

Flexibility

Education

Bachelor’s degree in engineering

Associate degree in engineering or facilities management

Tools

CMMS

BMS

OSHA

Job description

Onni in Chicago seeks an Engineer to operate, maintain, and repair mechanical, plumbing, electrical, and automation systems in a Class A office building. You will monitor BAS, perform daily spa testing, and respond to tenant requests with premium service.

The role requires strong diagnostic skills, effective communication, and ability to work with a collaborative team to uphold high operational standards and building infrastructure excellence. Prior Class A experience preferred.