Building Systems Engineer – MEP, BMS & Tenant Service

Onni Properties (Chicago) Inc; Chicago (IL); On-site; USD 105,000 - 125,000; Full time

Job summary

Onni is hiring an Engineer to operate, maintain, and repair mechanical, electrical, plumbing and automation systems in a Class A office building in Chicago. You will monitor BAS, perform daily spa water testing, and respond to alarms while delivering high-end tenant service.

The role requires knowledge of MEP systems, CMMS/BMS tools, and relevant licenses/certifications; after-hours availability and strong communication with tenants and vendors are essential for operational excellence.

Qualifications

• High school diploma; associate or bachelor's in engineering, facilities management, or related field preferred.
• Experience with Class A office buildings preferred.
• Strong diagnostic and troubleshooting skills for complex building systems.
• Excellent verbal and written communication with tenants and vendors.

Responsibilities

• Support the engineering team and drive efficient operations and team development.
• Perform preventive, predictive, and corrective maintenance on building systems.
• Read, analyze and implement SOPs from Chief/Assistant Chief Engineer.
• Monitor mechanical, electrical, plumbing, and BAS for optimal performance.
• Respond to emergencies and tenant service requests promptly and professionally.
• Maintain records of operations, maintenance, inspections, and repairs.

Skills

Diagnostics

Troubleshooting

Communication skills

Project planning

Maintenance management

OSHA knowledge

MEP knowledge

BMS monitoring

CMMS proficiency

Licensing & certifications

Education

City of Chicago Stationary Engineer license

Universal CFC Certificate

Illinois Pool Certificate

OSHA certification

Tools

CMMS

BMS

Job description

Onni is hiring an Engineer to operate, maintain, and repair mechanical, electrical, plumbing and automation systems in a Class A office building in Chicago. You will monitor BAS, perform daily spa water testing, and respond to alarms while delivering high-end tenant service.

The role requires knowledge of MEP systems, CMMS/BMS tools, and relevant licenses/certifications; after-hours availability and strong communication with tenants and vendors are essential for operational excellence.