Data Centers Senior Cost Manager H/F

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.   We are looking for a Senior Cost Manager H/F in our Data Centers team in Paris.About JLL We're JLL—a leading professional services and investment management firm specializing in real estate. We have operations in over 80 countries and a workforce of over 110,000 individuals around the world who help real estate owners, occupiers and investors achieve their business ambitions. As a global Fortune 500 company, we also have an inherent responsibility to drive sustainability and corporate social responsibility. That's why we're committed to our purpose to shape the future of real estate for a better world. We're using the most advanced technology to create rewarding opportunities, amazing spaces and sustainable real estate solutions for our clients, our people and our communities.Our core values of teamwork, ethics and excellence are also fundamental to everything we do and we're honored to be recognized with awards for our success by organizations both globally and locally.Creating a diverse and inclusive culture where we all feel welcomed, valued and empowered to achieve our full potential is important to who we are today and where we're headed in the future. And we know that unique backgrounds, experiences and perspectives help us think bigger, spark innovation and succeed together.About Project and Development Services (PDS)JLL is a world class real estate development partner for our investor and corporate clients. Our services affect how millions of people live, work, and play every day. It is our responsibility to nurture the impact we can have on all projects and bring value into every detail. From development advisory to project and cost management, from program management to engineering design and sustainability, from fit-out to asset repositioning and major base-build schemes, our services span every dimension across all asset types, sectors and regions.JLL's PDS team comprises 8,900 project managers, engineers, designers and architects across 50 countries and is actively managing 36,900+ projects yearly. Join the PDS team to expect more and achieve more. There's room for you to design and build your career within the PDS community and the wider JLL ecosystem.MissionsThe Data Center Senior Cost Manager is responsible for providing full cost management services across the lifecycle of data center projects — from feasibility and budgeting through procurement, construction, and closeout. The role involves working with clients, design teams, and contractors to ensure projects are delivered within approved budgets while maintaining quality, schedule, and performance requirements.The ideal candidate will bring deep understanding of the data center market, MEP-intensive cost structures, and experience working in a consulting environment.Key Responsibilities:Develop, monitor, and manage project budgets, cost plans, and cash flow forecasts for data center projects.Prepare detailed cost estimates at all project stages (concept, schematic, detailed design, pre-tender, and post-contract).Lead value engineering exercises to optimize design and cost efficiency.Manage tender processes — including bill of quantities preparation, bid analysis, and recommendation reports.Evaluate and negotiate change orders and variations during construction.Conduct cost benchmarking and market analysis specific to data center construction.Provide cost advice on mechanical, electrical, and components critical to data centers.Collaborate with project managers, design teams, and clients to align budgets with project objectives.Prepare monthly cost reports and financial updates for internal and client review.Support the development of cost databases and cost modeling tools for data center projects.Ensure adherence to corporate governance, risk management, and compliance requirements.Sound like you? To apply you need to be / haveSignificant experience in cost management on Data Center projects,Proficiency in English,Client presentation experience,Rigor, quality of deliverables,Interest in optimizing technical and financial solutions,Proactive approach/creativity (developing tools, working methods, etc.),Desire to develop a new practice and build a team,Ability to persuadeWhat you can expect from us You'll join an entrepreneurial, inclusive culture. One where we succeed together – across the desk and around the globe. Where like-minded people work naturally together to achieve great things.Our Total Rewards program reflects our commitment to helping you achieve your ambitions in career, recognition, wellbeing, benefits and pay.Join us to develop your strengths and enjoy a fulfilling career full of varied experiences. Keep those ambitions in sights and imagine where JLL can take you...Apply today at #LI-MD2Location: –Paris, FRAIf 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 tableAt 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 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 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.