JLL empowers you to shape a brighter way. Our people at JLL and JLL Technologies 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. Position Overview A Mobile Building Engineer provides on-site technical support, maintenance, and engineering services across multiple building locations within a designated geographic area. This role combines hands-on technical expertise with travel requirements to ensure optimal building operations and tenant satisfaction. Key Responsibilities Building Systems Management Perform preventive maintenance on HVAC, electrical, plumbing, and mechanical systems across assigned properties Conduct routine inspections of building equipment including boilers, chillers, generators, elevators, and fire safety systems Monitor and optimize building performance to ensure energy efficiency and cost-effectiveness Emergency Response and Repairs Respond to urgent maintenance requests and emergency calls across multiple sites Diagnose equipment failures and implement immediate solutions to minimize downtime Coordinate with external contractors and vendors for specialized repairs Maintain emergency contact protocols and after-hours response capabilities Compliance and Safety Ensure all building systems comply with local codes, regulations, and safety standards Conduct safety inspections and maintain required documentation Manage environmental compliance including waste management and hazardous materials handling Maintain current certifications and licenses as required by jurisdiction Documentation and Reporting Complete detailed work orders, maintenance logs, and inspection reports Track equipment performance data and recommend capital improvements Maintain accurate inventory of tools, parts, and supplies across locations Provide regular status updates to property management teams Experience 3-5 years of building maintenance or facilities management experience Experience with commercial building systems and equipment Knowledge of building automation systems and energy management Previous mobile or multi-site experience preferred Technical Skills Proficiency in HVAC, electrical, plumbing, and mechanical systems Ability to read blueprints, schematics, and technical manuals Experience with computerized maintenance management systems BMS This role is ideal for experienced building engineers who enjoy variety, travel, and working independently while maintaining multiple client relationships across a portfolio of commercial properties. Location: On-site –London, GBR If this job description resonates with you, we encourage you to apply even if you don’t meet all of the requirements. We’re interested in getting to know you and what you bring to the table! 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. JLL Privacy Notice Jones Lang LaSalle (JLL), together with its subsidiaries and affiliates, is a leading global provider of real estate and investment management services. We take our responsibility to protect the personal information provided to us seriously. Generally the personal information we collect from you are for the purposes of processing in connection with JLL’s recruitment process. We endeavour to keep your personal information secure with appropriate level of security and keep for as long as we need it for legitimate business or legal reasons. We will then delete it safely and securely. For more information about how JLL processes your personal data, please view our Candidate Privacy Statement. For additional details please see our career site pages for each country. 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 HRSCLeaves@jll.com. 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.