JLL empowers you to shape a brighter way.
Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you've got deep experience in commercial real estate, skilled trades or technology, or you're looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward.
Assistant Chief Engineer-JLLWhat this job involves: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.
What your day-to-day will look like: 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
Required qualifications: 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
Preferred qualifications: 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
Schedule: M-F 7:00AM-3:30PM
Location: Round Rock, TX
This position does not provide be authorized to work in the United States without sponsorship.
Location:On-site -Round Rock, TX
If this job description resonates with you, we encourage you to apply, even if you don't meet all the requirements. We're interested in getting to know you and what you bring to the table!
Personalized benefits that support personal well-being and growth:JLL recognizes the impact that the workplace can have on your wellness, so we offer a supportive culture and comprehensive benefits package that prioritizes mental, physical and emotional health. Some of these benefits include:
- 401(k) plan with matching company contributions
- Comprehensive Medical, Dental & Vision Care
- Paid parental leave at 100% of salary
- Paid Time Off and Company Holidays
- Early access to earned wages through Daily Pay
At JLL, we harness the power of artificial intelligence (AI) to efficiently accelerate meaningful connections between candidates and opportunities. Using AI capabilities, we analyze your application for relevant skills, experiences, and qualifications to generate valuable insights about how your unique profile aligns with the specific requirements of the role you're pursuing.
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For candidates in the United States, please see a full copy of our Equal Employment Opportunity policy here.
Jones Lang LaSalle ("JLL") is an Equal Opportunity Employer and is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process - including the online application and/or overall selection process - you may email us at This email is only to request an accommodation. Please direct any other general recruiting inquiries to our Contact Us page > I want to work for JLL.
Accepting applications on an ongoing basis until candidate identified.
