Engineer

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

Job Description: The Engineer will be responsible for operation, maintenance, and repair of the building ensuring optimal performance of mechanical, plumbing, electrical, and automation systems within a Class A office building.

Key responsibilities include conducting routine inspections and preventive maintenance to ensure compliance with efficiency standards, monitoring BAS and responding to alarms, completing chemical testing for the spa area daily, and delivering superior customer service to our tenants. The ideal candidate possesses strong technical expertise, excellent communication skills and the ability to foster a collaborative team environment, delivering superior operational standards and maintaining building infrastructure excellence. Experience working within a Class A office building environment preferred.

Essential Duties and Responsibilities

• Support the engineering team, ensuring efficient operations and team development.
• Complete preventive, predictive, and corrective maintenance tasks for all building systems.
• Use critical thinking to troubleshoot and resolve problems that may come up in the mechanical systems.
• Read, analyze and implement Standard Operating Procedures that have been put into practice by Chief Engineer and/or Assistant Chief Engineer.
• Monitor and operate mechanical, electrical, plumbing, and building automation systems to maintain optimal performance.
• Respond to and resolve building emergencies, ensuring minimal disruption to tenants.
• Act as a point of contact for tenant facility needs, addressing concerns promptly and professionally.
• Respond in a timely fashion to tenant service requests.
• Communicate professionally with tenants giving them high-end customer service that a class A commercial building demands.
• Assist with inventory management for tools, supplies and spare parts, ensuring readiness for repairs and maintenance.
• Maintain accurate records of system operations, maintenance activities, inspections, and repairs.
• Fulfill all training requirements on building systems, safety protocols and operational procedures.
• Conduct regular inspections of building and equipment to identify potential issues.
• Recommend improvements in building systems and processes to enhance reliability and efficiency.
• Perform daily water/chemical testing of hot spa & cold plunge pools systems and equipment.

Minimum Qualifications (Knowledge, Skills, and Abilities)

• High school diploma; an associate or bachelor’s degree in engineering, facilities management, or a related field preferred.
• City of Chicago Stationary Engineer license.
• Universal CFC Certificate.
• Illinois Pool Certificate.
• Relevant certifications such as OSHA, HVAC, and LEED Green Associates are highly desirable.
• Proficiency in using computerized maintenance management systems (CMMS) and building management systems (BMS).
• Thorough knowledge of mechanical, electrical, plumbing (MEP), and building automation systems.
• Strong understanding of OSHA regulations, workplace safety protocols, and emergency procedures.
• Ability to retain information given by Chief Engineer and/or Assistant Chief Engineer.
• Strong diagnostic and troubleshooting skills for complex building systems.
• Excellent verbal and written communication skills for interacting with tenants, vendors, and team members.
• Competence in planning and executing maintenance and capital improvement projects.
• Flexibility to respond to after-hours emergencies and work varying shifts as required by Chief Engineer.

Salary Range: $51.54 per hour

About The Company

Onni For over half a century, Onni has been building communities for people to live, work, and play. Our success reflects our commitment to our employees and partners, and our dedication to quality construction, innovation, sustainability, and customer satisfaction. Our expertise expands across North America, with offices in Vancouver, Toronto, Los Angeles, Seattle, Phoenix, and Chicago.

AI Use

This role may involve the use of artificial intelligence (AI) tools to support research, analysis, content development, design, reporting, or operational efficiency. Employees are expected to use AI responsibly and in compliance with company policies, data privacy requirements, confidentiality obligations, and applicable laws. All AI-generated or AI-assisted outputs must be reviewed for accuracy, quality, and appropriateness before use. Employees are also expected to disclose when AI tools have been used in the creation of work and must not present AI-generated content as solely their own original work.

We believe that the strength of a company lies in its people and are fortunate to have an extremely motivated and dedicated staff that brings expertise and attention to detail in every project they undertake.

Please note, all Onni hiring requires at minimum an official virtual or in-person interview prior to offer stage.