Operating Engineer

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 peopleand empowering them tothrive, 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. What this job involves:As an Operating Engineer at JLL, you will be a technical specialist responsible for the comprehensive operation, maintenance, and repair of critical facility equipment and systems, with particular emphasis on commercial plumbing operations. This role requires you to demonstrate deep expertise in commercial plumbing, piping systems, and water distribution infrastructure while maintaining multi-skilled capabilities across HVAC, electrical, and central utility plant operations. You will ensure all building systems—especially complex plumbing infrastructure—operate at optimal performance levels while maintaining the highest safety and quality standards that support JLL's commitment to exceptional facility management and client service.What your day-to-day will look like:Execute preventative maintenance programs on commercial plumbing systems including domestic water supply, drainage systems, sanitary piping, storm water management, backflow prevention devices, water heaters, pumps, and associated equipment through inspection, testing, and replacing components to optimize system performance and prevent failures.Troubleshoot and repair commercial plumbing systems including potable water lines, waste and vent systems, grease traps, sump pumps, water pressure regulators, thermostatic mixing valves, and fixture installations to maintain proper water distribution and drainage throughout the facility.Monitor and adjust water supply systems, record pressure readings, temperature measurements, and flow rates, making necessary modifications to ensure proper operation, water quality, and compliance with plumbing codes across all facility systems.Perform maintenance, monitoring, and repairs on mechanical, HVAC, structural, furniture, fire, life safety, and control systems to maintain comprehensive facility standards.Review monthly client service request summaries to identify and resolve recurrent plumbing and operational problems, implementing corrective actions to prevent leaks, blockages, and system failures.Monitor and evaluate vendor and supplier performance regarding plumbing materials quality, service standards, and competitive pricing.Verify accuracy of deliveries including count, pricing, and product descriptions for plumbing components, pipe fittings, fixtures, and general facility supplies.Conduct periodic checks of tool and instrument inventory, including plumbing-specific diagnostic equipment and specialized tools, to ensure operational readiness.Required Qualifications:Deep technical expertise in commercial plumbing systems including potable water distribution, sanitary drainage, storm water systems, backflow prevention, water heating equipment, and pumping systems.Multi-skilled capabilities across various building systems including HVAC, electrical, and central utility plant operations.Proven experience troubleshooting and repairing complex commercial plumbing infrastructure, piping systems, and water treatment equipment.Experience with facility services, preventative maintenance programs, and plumbing system optimization.Knowledge of safety protocols for water quality management, hazardous material storage, usage, and disposal.Understanding of quality control processes, vendor management, and plumbing materials procurement.Ability to read and interpret plumbing blueprints, isometric drawings, and technical specifications.Capability to work independently and complete daily/weekly work assignments effectively.Preferred Qualifications:Licensed Journeyman Plumber or Master Plumber certification, or equivalent commercial plumbing credentials.Formal training or certification in commercial plumbing systems, backflow prevention testing (ASSE 5110, 5120), and cross-connection control.Experience with advanced plumbing diagnostics, water efficiency systems, hydronics, and medical gas systems (if applicable to facility type).Background in contractor oversight specifically for plumbing installation, repair, and renovation work quality monitoring.Knowledge of International Plumbing Code (IPC), Uniform Plumbing Code (UPC), and local jurisdiction requirements for commercial plumbing operations.Experience with purchasing processes and cost management for plumbing materials, fixtures, and maintenance operations.Familiarity with water conservation technologies, leak detection systems, and predictive maintenance techniques for commercial plumbing equipment.Certification in green plumbing practices or water efficiency programs#OEjobsThis position does not provide visa sponsorship. Candidates must be authorized to work in the United States without sponsorship.Location:On-site –Phoenix, AZIf 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 may include:401(k) plan with matching company contributionsComprehensive Medical, Dental & Vision CarePaid parental leave at 100% of salaryPaid Time Off and Company HolidaysEarly access to earned wages through Daily PayAt 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'repursuing.JLL Privacy NoticeJones 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 fully 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.Pursuant to the Arizona Civil Rights Act, criminal convictions are not an absolute bar to employment.Pursuant to Illinois Law, applicants are not obligated to disclose sealed or expunged records of conviction or arrest.Pursuant to Columbia, SC ordinance, this position is subject to a background check for any convictions directly related to its duties and responsibilities. Only job-related convictions will be considered and will not automatically disqualify the candidate.Accepting applications on an ongoing basis until candidate identified.SummaryLocation: Phoenix, AZType: Full time