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JL

JLL

via Workday

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Senior Mechanical Commissioning Engineer (REMOTE)

Anywhere
Full-time
Posted 1/15/2026
Direct Apply
Key Skills:
Mechanical and controls systems commissioning
HVAC systems and thermal management
Building monitoring and automation

Compensation

Salary Range

$140K - 165K a year

Responsibilities

Lead comprehensive mechanical and controls systems commissioning for mission-critical data center projects, ensuring seamless integration and high standards.

Requirements

Minimum 7 years of experience in data center commissioning, deep knowledge of cooling systems, and proficiency with commissioning management software.

Full Description

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. SENIOR MECHANICAL AND CONTROLS COMMISSIONING ENGINEER (Remote) DATA CENTERS & MISSION CRITICAL PROJECTS *This position can be remote (work from home) but must live near a major airport. * Up to 50% overnight travel Position Overview The SKAE JLL Data Center Commissioning Group is looking for an experienced Mechanical and Controls Commissioning Engineer to join our growing team in support of our expanding portfolio of mission critical projects in the US (and Canada). Your home location is flexible, and remote work is an option for the right candidate. Must be willing and able to travel overnight in support of projects up to 50% of the calendar year. In this critical role you will lead comprehensive mechanical and controls systems commissioning for small, medium and hyperscale data center projects, colocation facilities, and mission-critical infrastructure with projects ranging from 1MW to 100MW+. You will drive technical excellence and exceptional project delivery as both the lead hands-on mechanical commissioning engineer and represent SKAE JLL as a strategic project leader, ensuring seamless integration of complex mechanical and controls systems in high-stakes environments where downtime is not an option. Key Responsibilities Help develop detailed commissioning proposals and scope documents based on client RFPs, design drawings, and specifications. Lead pre-commissioning planning sessions with stakeholders to establish testing protocols, acceptance criteria, and project milestones. Manage, perform and document holistic (Level 0 – Level 6) factory and onsite commissioning activities for the mechanical and control systems infrastructure. Technical Commissioning Execution Execute comprehensive commissioning of mission-critical systems including CRAH units, chilled water plants, central cooling plants, dry coolers, liquid cooling systems and advanced server rack containment strategies and associated controls and monitoring systems. Quality Assurance & Documentation Develop system and equipment specific functional performance tests and integrated systems testing protocols. Create detailed commissioning plans, test procedures, and comprehensive final reports meeting industry standards (ASHRAE Guideline 0 or similar). Document deficiencies using structured tracking systems and oversee resolution through substantial completion. Team Leadership & Stakeholder Management Help direct cross-functional commissioning teams of 2-8+ commissioning engineers and technicians. Coordinate with project stakeholders (design engineers, contractors, facility operators, and client representatives) throughout the project lifecycle from the design phase through transition to operations. On our larger projects you will also conduct commissioning training for Owner’s operations staff and provide knowledge transfer documentation. Required Qualifications Experience & Technical Expertise Minimum 7 years of documented experience in leading the hands-on data center commissioning activities with at least 5 years specifically in data center cooling systems and building monitoring and automation commissioning. Proven track record leading the mechanical and controls commissioning of facilities with power densities exceeding 25kW per rack. Deep understanding of cooling plant sequences of operations and redundancy concepts, as well as their implementation in mission critical designs. Experience working in partnership with major cooling equipment manufacturers (JCI, Daiken, Trane, Vertiv, Schneider, etc) Proficiency in the use of commissioning management software platforms (CxAlloy, ACC, Procore, Bluebeam, and similar platforms) Systems Knowledge Advanced knowledge of commissioning processes for data center cooling infrastructure and building monitoring and controls platforms. Expertise in precision HVAC systems, glycol cooling, and thermal management strategies including liquid cooling applications. Strong understanding of BAS/DCIM integration, monitoring protocols, and alarm management protocols. Preferred Qualifications Bachelor's degree in related technical field Professional Engineer (PE) license and PMP certifications are not required but are a differentiator for this role Industry recognized commissioning certification (currently or pursuing) strongly preferred Experience working on hyperscale data center projects (AWS, Microsoft, Google, Meta, etc) Essential Competencies Technical Leadership: Ability to mentor junior staff and make critical technical decisions under pressure Team Management: Manage commissioning schedules, ensure optimal team utilization, and provide coverage continuity across projects Risk Management: Identify potential failure modes (schedule and technical) and develop mitigation strategies Client Relations: Manage client stakeholder expectations and deliver technical updates with project team support Problem-Solving: Systematic troubleshooting of complex integrated systems Documentation: Create clear and detailed technical reports for diverse audiences Adaptability: Ability to thrive in fast-paced environments with evolving project requirements Script Development: Create and modify commissioning test scripts, adapting existing procedures for project-specific requirements Design Review: Interpret project drawings and specifications, identify design issues, and communicate technical concerns effectively Travel & Physical Requirements Position requires 50% (annual estimate) overnight travel to project sites throughout North America. Must be able to work in active construction environments, climb ladders, and work in mechanical/electrical rooms. Availability for occasional emergency commissioning support and weekend/evening critical testing activities when required. This position does not provide visa sponsorship. Candidates must be authorized to work in the United States without employer sponsorship. Estimated compensation for this position: 140,000.00 – 165,000.00 USD per year This range is an estimate and actual compensation may differ. Final compensation packages are determined by various considerations including but not limited to candidate qualifications, location, market conditions, and internal considerations. Location: Remote –Atlanta, GA, Chicago, IL, Dallas, TX, Denver, CO, New York, NY, Phoenix, AZ Job Tags: Data Center Maintenance, Data Center Operations 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 may 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. 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. 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. California Residents only If you are a California resident as defined in the California Consumer Privacy Act (CCPA) please view our Supplemental Privacy Statement which describes your rights and disclosures about your personal information. If you are viewing this on a mobile device you may want to view the CCPA version on a larger device. Pursuant to the Los Angeles Fair Chance Initiative for Hiring Ordinance, JLL will consider for employment all qualified Applicants, including those with Criminal Histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance. Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records. Accepting applications on an ongoing basis until candidate identified. Activate your Personal Job Alerts now and receive opportunities as soon as they are advertised. If you're a current JLL employee, please apply using the Internal Career Site At JLL, we give you the opportunity, knowledge and tools to own your success, because we value what makes each of us unique. We help our people thrive, grow meaningful careers and find a place where they belong. Together, we strive to be exceptional and shape a better world. For over 200 years, JLL (NYSE: JLL), a leading global commercial real estate and investment management company, has helped clients buy, build, occupy, manage and invest in a variety of commercial, industrial, hotel, residential and retail properties. A Fortune 500® company with operations in over 80 countries around the world, our employees bring the power of a global platform combined with local expertise. Driven by our purpose to shape the future of real estate for a better world, we help our clients, people and communities SEE A BRIGHTER WAYSM. JLL is the brand name, and a registered trademark, of Jones Lang LaSalle Incorporated. For further information, visit jll.com.

This job posting was last updated on 1/15/2026

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