Senior Mechanical Engineer, Data Center Design Engineering

Fleet Data Centers; Seattle (WA); On-site; USD 120,000 - 150,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401K program

Unlimited PTO

Paid holidays

Job summary

Fleet Data Centers seeks a Senior Mechanical Engineer to lead design, development, and implementation of advanced mechanical systems for massive data center campuses. You will drive energy-efficient, scalable cooling solutions and collaborate with cross-functional teams to ensure reliability, safety, and regulatory compliance.

The role requires deep expertise in central utility plants, chiller plants, rack-based cooling, and fire protection, with a focus on sustainability and downtime

Qualifications

• Bachelor’s degree in Mechanical/Building Services engineering or related field (master’s or Ph.D. preferred).
• 8+ years of mechanical engineering experience, with 5+ years in data center design/operations.
• Experience delivering mechanical systems for large-scale data centers (HVAC, cooling, chiller plants, rack‑based cooling, fire suppression).
• Experience with mechanical design software (AutoCAD, Revit, CFD) and thermal/fluid modeling tools.
• Expertise in sustainability, energy efficiency, and cost-saving data center measures.
• Excellent communication and stakeholder management skills.
• Analytical skills to define KPIs and report on metrics.

Responsibilities

• Lead and manage internal and external data center design engineering teams.
• Design and develop mechanical systems for large-scale data centers, including HVAC, cooling, and fire protection.
• Provide end-to-end mechanical design oversight from concept to commissioning.
• Develop innovative cooling solutions to reduce water and energy use and costs.
• Drive sustainability initiatives like water conservation and heat reuse.
• Manage multi-site projects across regions to ensure on-time delivery.
• Collaborate with electrical, structural, network, controls, and operations teams.
• Coordinate with vendors/contractors to meet quality and safety standards.
• Act as main mechanical systems decision-maker with senior leadership.
• Ensure designs comply with ASHRAE standards and regulations.
• Lead root-cause analysis for failures to improve resilience.
• Stay ahead of industry trends in data center mechanical engineering.

Skills

HVAC systems

AutoCAD

Revit

CFD

Sustainability

Communication

Stakeholder mgmt

Analytical skills

Education

Bachelor’s in Mechanical/Building Services engineering

Master’s or PhD preferred

Tools

AutoCAD

Revit

CFD

Job description

Fleet Data Centers designs, builds and operates mega-scale data center campuses. Fleet provides its customers flexibility and predictability to meet their upside demand forecasts, addressing a key need in the market as traditional leased models are struggling to keep pace with the demand for new Cloud and AI infrastructure. Fleet is led by a team of industry veterans that have already made a lasting imprint on the evolution of global digital infrastructure and are committed and uniquely capable of upleveling data center development scale and operations in the face of rising demand. Fleet is well positioned to bring in-house design, engineering and operational capabilities to collaborate with customers on tailored solutions for campuses of 500MW+. This unique model enables Fleet to provide the world’s largest and most sophisticated customers a seamless extension of their own data center fleets with constant access to design innovation. Fleet is headquartered in Denver, Colorado, with satellite offices in Seattle, WA and Arlington, VA.

Position Overview

As the Senior Mechanical Engineer you will be responsible for leading the design, development, and implementation of cutting-edge mechanical systems in highly efficient, scalable, and sustainable data centers. This role involves working with cross-functional teams to ensure best-in-class mechanical systems that support massive cloud operations across multiple regions.

Candidate must have manager experience and must be capable to lead it to data center capacity delivery projects.

Candidate must be a technical expert in mechanical systems engineering, with a deep understanding of data center operations, sustainability initiatives, and reliability requirements.

Knowledge of all aspects of mechanical engineering is required, including central utility plants, built-up mechanical rooms, packaged equipment, chilled water equipment and piping, DX systems, airside and water-side economization, humidity control, and value engineering as the relate to designing state-of-the-art data centers. Knowledge in the areas of plumbing, fire protection design and acoustic engineering for data centers is also required

Key Responsibilities

• Lead and manage internal and external data center design engineering teams
• Lead the design and development of mechanical systems for large-scale data centers, including HVAC, cooling, chiller plants, rack-based cooling, and fire protection systems
• Provide mechanical design oversight throughout the project lifecycle, from concept to commissioning, ensuring all systems are energy-efficient and meet performance standards
• Develop innovative cooling solutions that reduce water and energy consumption and operational costs while maintaining high availability and reliability
• Drive sustainability initiatives, such as water conservation and heat reuse
• Manage large-scale, multi-site projects across global regions, ensuring the on-time delivery of mechanical engineering systems and solutions
• Collaborate with electrical engineering, structural engineering, network, controls, and operations teams to integrate mechanical systems with other data center components
• Work closely with vendors and contractors to ensure all mechanical systems meet quality, safety, and operational standards, as well as company specifications
• Act as the main point of contact for all mechanical systems-related decisions and collaborate with senior leadership and stakeholders
• Ensure all mechanical designs and systems comply with local, state, and federal regulations, including ASHRAE standards as required by customers, building codes, and environmental requirements
• Assess and mitigate risks related to mechanical system failures, thermal performance, and energy consumption, with a focus on minimizing downtime
• Lead root-cause analysis and provide technical solutions for any system failures or incidents to improve future design resilience
• Stay at the forefront of industry trends and innovations in data center mechanical engineering, with a focus on energy efficiency and future scalability
• Mentor and lead junior and mid-level mechanical engineers, ensuring team development and promoting a culture of continuous learning
• Oversee technical troubleshooting and optimization of existing mechanical systems to enhance performance and reduce energy consumption
• Develop and refine mechanical design standards and guidelines to ensure consistent and efficient mechanical systems across all data centers

Required Qualifications

• Education: Bachelor’s degree in Mechanical/Building Services engineering or a related field (master’s or Ph.D. preferred)
• 8+ years of experience in mechanical engineering, with at least 5 years focused on data center design and operations
• Proven track record of delivering mechanical systems for large-scale data center projects, including experience with HVAC and cooling systems, chiller plants, rack-based cooling, and fire suppression systems
• Extensive experience with mechanical design software (e.g., AutoCAD, Revit, CFD, etc.) and proficiency in tools for modeling and analyzing thermal and fluid dynamics
• Expertise in sustainability, energy efficiency, and cost-saving measures related to data center mechanical systems
• Communication: Excellent communication skills, with the ability to translate complex technical concepts into clear, actionable strategies for both technical and non-technical audiences
• Stakeholder Management: Strong ability to influence and manage key stakeholders across engineering, product, and operations teams
• Analytical Skills: Demonstrated success in analyzing program data, defining KPIs, and reporting on success metrics

Preferred Qualifications

• License: Professional Engineer (PE) license
• Experience working in global data center projects, navigating region-specific regulations and environmental conditions
• Hyperscaler: Familiarity with AWS, Microsoft Azure, Google Cloud, Oracle Cloud, and Meta cloud providers’ data center requirements
• Cloud Certifications: Relevant cloud certifications (e.g., AWS Certified Solutions Architect, Azure Fundamentals, etc.)
• Global Experience: Experience leading product launches in global markets, including knowledge of international land, energy and/or data center regulations and compliance
• Technical Background: A strong technical understanding of cloud services, networking, and software development lifecycles

Key Competencies

• Integrity and Ethical Standards: Build trust, ensure fairness, and foster long-term, transparent relationships with suppliers
• Effective Communication: The ability to clearly convey expectations and requirements to suppliers and negotiation parties, while understanding their needs and concerns. Comfortable delivering written and verbal presentations to internal leadership teams
• Emotional Intelligence (EQ): Ability to understand the emotions, cultural nuances, and motivations of others, while effectively managing one's own emotions during high‑pressure negotiations
• Strategic Thinking: Ability to think big picture while also managing granular details
• Adaptability: Proven track record of managing change and ambiguity in a fast‑paced environment
• Leadership: Ability to manage cross‑functional teams and external vendors
• Experience with complex, multi‑site projects: Manage multiple projects under tight deadlines and deliver exceptional results
• Excellent communication and presentation skills: Capable of interfacing with senior leadership and diverse stakeholders
• Creative problem‑solver: Ability to troubleshoot and optimize system performance effectively
• Team Building: Ability to lead and develop a diverse, cross‑functional team in high‑pressure environments

Working Conditions

• This role requires occasional travel to data center sites across multiple regions (up to 25% travel)
• Ability to work in both office environments and active construction sites, adhering to all safety protocols

Expected Salary Range

$120,000 - $150,000 Salary + Discretionary Bonus

Location

Denver, CO, but will also consider candidates in Alexandria, VA, Seattle, WA, or Austin, TX. Will also consider remote candidates.

Fleet Data Centers Employment

Fleet Data Centers employees enjoy competitive compensation and comprehensive benefits, including 100% employer‑covered medical, dental, and vision insurance, a 401K program, standard paid holidays, and unlimited PTO.

NOTE: This job description is not intended to be all‑inclusive. Employees may perform other related duties to meet the organization’s ongoing needs.

Fleet Data Centers is proud to be an Equal Opportunity Employer. Qualified applicants are considered for employment regardless of age, race, color, religion, sex, national origin, sexual orientation, gender identity, disability, or veteran status. If you need assistance applying for any of our open positions, please contact us at [e-mail].