Assistant Chief Engineer

JLL•Round Rock, TX

10d•Onsite

About The Position

As an Assistant Chief Engineer at JLL, you'll serve as a key technical leader working directly under the Chief Engineer to supervise the Engineering Department and manage all operations and maintenance activities for our client's facilities. This role places you at the heart of building operations, where you'll provide joint oversight of engineering staff while managing preventive maintenance programs, repairs, and vendor relationships for critical building systems and equipment. We believe the most effective teams are built when everyone is empowered to thrive, and in this position, you'll mentor technicians, troubleshoot complex mechanical and electrical systems, and ensure seamless facility operations that meet client expectations and industry best practices. What sets JLL apart is our culture of collaboration, and you'll work closely with cross-functional teams to maintain heating, cooling, electrical distribution, life safety systems, and building automation platforms across the property portfolio. Your technical expertise and leadership will directly impact occupant comfort, operational efficiency, and the overall success of our client partnership while advancing your career in facilities engineering.

Requirements

High school diploma or GED
5+ years of hands-on building engineering or facilities maintenance experience
Universal CFC (EPA) certification
Proficiency in reading and interpreting blueprints, single line diagrams, specifications, O&M manuals, and sequence of operations
Strong technical knowledge of HVAC systems, electrical distribution, plumbing systems, and building automation platforms
Demonstrated ability to troubleshoot complex building systems, isolate root causes, and perform effective repairs
Excellent communication skills including proficiency with Microsoft Office suite and computerized maintenance management systems
Valid clean driver's license and ability to pass DMV background check for operating site vehicles

Nice To Haves

Electrical, HVAC, Plumbing or Professional Engineering license
Experience with critical data center infrastructure and emergency power systems
Background in Class A commercial office buildings or corporate campus environments
Familiarity with LOTO procedures, ladder safety protocols, and OSHA safety compliance requirements
Proven supervisory experience leading and developing technical teams

Responsibilities

Supervise and provide technical guidance to engineering staff on mechanical systems, electrical systems, control systems, life safety systems, and safety procedures
Perform hands-on maintenance and repairs on HVAC equipment including chillers, boilers, pumps, cooling towers, air handlers, and air distribution systems
Conduct comprehensive building system inspections covering fire alarm panels, HVAC equipment, and plumbing systems to ensure optimal performance and compliance
Monitor and troubleshoot building automation systems (BMS/EMS) for equipment operations, identifying issues and implementing corrective actions
Manage preventive maintenance assignments through the CMMS system (Corrigo), ensuring timely completion and accurate documentation of all work
Respond to emergency situations on-site and coordinate repairs to critical systems including electrical distribution, emergency power, and life safety equipment
Perform daily rounds and readings of plant equipment, data center systems, generators, and mechanical/electrical rooms while maintaining detailed maintenance records