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Critical Support Specialist, NA / In-House Chiller Technician/Engineer

Vantage Data Centers
United States, Virginia, Ashburn
Jul 15, 2025
About Vantage Data Centers

Vantage Data Centers powers, cools, protects and connects the technology of the world's well-known hyperscalers, cloud providers and large enterprises. Developing and operating across North America, EMEA and Asia Pacific, Vantage has evolved data center design in innovative ways to deliver dramatic gains in reliability, efficiency and sustainability in flexible environments that can scale as quickly as the market demands.

Site Operations Department

The Site Operations Department is responsible for the overall health of all mechanical and electrical systems, building maintenance, and performance of all data modules in our data centers. The team is staffed 24 x 7 onsite with Critical Facility Engineers (CFEs) on each shift. This team is the face of Vantage to our customers and the first line of defense regarding the uptime of our campus as well as the performance of our customer installations.

Using a Critical Maintenance Management System (CMMS) to plan and track work needed, the Site Operations department performs all preventative and corrective maintenance. Our culture expects and rewards team performance that engages directly with the customers and the facility infrastructure. This is a team that does most of the actual work versus calling upon vendors. As a result, we provide superior service that is faster and more cost effective.

Position Overview

This position will be on-site in Ashburn, VA. This specific opening is highly keen to a In-House Chiller Technician/Engineer expert. The CSS roles are SME (Subject Matter Experts) and highly training in specific areas within the data center electrical/mechanical space. See specialization list below.

We are looking for a Critical Support Specialist who knows what a best-in-class service looks like and can make that a reality. This role is a crucial member of our facilities team, managing some of the most efficient and cost-effective data center facilities in the industry. The successful candidate will work alongside a dedicated team of electrical and mechanical specialists, performing essential maintenance and repair activities on our data center infrastructure.

The successful candidate for this role will work with a team of other electrical and mechanical-focused engineers performing maintenance and repair for our data center infrastructure. We take our customer requirements for uptime seriously and keep our facilities maintained to a very high standard to ensure uninterrupted service for our customers.

If you enjoy working on critical data center systems (UPSs, PDUs, Diesel Generators, ATS equipment and Building Controls), as well as industrial electrical equipment and systems that include power distribution components/wiring, electronic components, and lighting systems, know the importance of getting it right the first time and not disrupting mission critical data centers, and enjoy delighting customers with superior service, then please read on!

Essential Job Functions

* Perform detailed, specialized maintenance, troubleshooting, and operational tasks within your area of expertise, ensuring uninterrupted data center operations.

* Independently manage complex maintenance projects and system enhancements with minimal supervision.

* Respond effectively to safety incidents and emergency situations, maintaining a secure work environment.

* Exercise discretion and judgment in adapting workflows to shifting priorities.

* Collaborate frequently with internal teams across multiple organizational levels and externally with vendors and technical partners.

* Additional duties as assigned by Management.

Duties by Specialization

* Low Voltage Electrical Specialist:

o Operate, maintain, and repair critical low voltage electrical infrastructure including substations, utility switchgear, transformers, feeders and distribution systems, power metering, power generators, automatic transfer switches (ATS), uninterruptible power supplies (UPS), batteries, power distribution units (PDUs), static transfer switches (STSs), remote power panels (RPPs), and associated controls.

o Conduct comprehensive inspections and preventive maintenance, implementing detailed solutions to enhance reliability and operational effectiveness.

o Act as a subject matter expert in low voltage electrical systems, providing detailed technical guidance, training, and mentoring junior team members.

o Lead complex troubleshooting efforts, document findings, and contribute significantly to procedural documentation and training materials.

* Medium Voltage Electrical Specialist:

o Manage and maintain medium voltage electrical systems such as substations, utility switchgear, transformers, feeders and distribution systems, and protection and control circuitry.

o Oversee preventive maintenance schedules, detailed system inspections, and extensive repairs, ensuring strict compliance with regulatory and safety standards.

o Act as a technical leader, providing detailed expert-level troubleshooting, resolution of complex electrical issues, and mentoring junior personnel.

o Document comprehensive technical procedures and collaborate with engineering teams on system enhancements and updates.

UPS Systems Specialist:

o Perform detailed preventive and corrective maintenance tasks, including major component replacements and complete system recalibrations.

o Independently manage critical UPS system maintenance schedules, ensuring tasks are prioritized effectively.

o Independently apply advanced troubleshooting skills to identify and rectify intricate UPS issues, such as rectifier or inverter failures.

o Collaborate closely with engineering teams on detailed UPS system upgrades, modifications, or enhancements based on operational requirements.

o Provide technical insights and recommendations for improving UPS efficiency, reliability, and overall system performance.

Generator Specialist:

o Perform comprehensive maintenance and operational tasks for generator electrical and mechanical systems, including routine and corrective maintenance.

o Provide technical leadership and oversight for generator operations and maintenance, including the development and implementation of preventive maintenance schedules and strategies.

o Serve as the lead technical expert on major generator projects, planning and executing system upgrades and maintenance initiatives.

o Ensure strict compliance with industry regulations, codes, and standards related to generator operations, contributing to regulatory audits and adherence to safety and environmental protocols.

o Act as a mentor and trainer, imparting expert knowledge to junior technicians and other staff.

HVAC Systems Specialist:

o Oversee comprehensive operations and detailed maintenance of critical HVAC infrastructure systems, including chilled water and condenser water systems, computer room air handlers (CRAH), computer room air conditioners (CRAC), humidity control systems, leak detection, commercial AC systems, constant and variable airflow systems, boilers, and air compressors.

o Provide technical leadership focused on optimization, innovation, and operational excellence within HVAC systems.

o Develop and implement detailed preventive and predictive maintenance strategies, integrating advanced techniques and data-driven decision-making.

o Act as an HVAC subject matter expert, leading efforts to resolve complex operational issues, overseeing major system upgrades, and consistently optimizing energy efficiency.

o Mentor junior personnel and contribute significantly to the development of industry standards, training programs, and technological advancements.

Job Requirements

* Minimum 3 years (5+ years preferred) of direct hands-on experience specializing in maintenance and repair within mission-critical environments, specifically in your area of expertise.

* Extensive knowledge of maintenance practices and operational standards relevant to your specialization (Low Voltage, Medium Voltage, UPS, Generators, HVAC).

* Proven ability to read and interpret technical schematics, blueprints, and operational manuals.

* Strong technical writing capabilities, with experience creating and updating method of procedures (MOPs), standard operating procedures (SOPs), and emergency operating procedures (EOPs).

* Completion of formal specialized training (e.g., UPS systems, generator maintenance, chiller systems).

* Current professional licensure or certification relevant to your technical specialization.

* Occasional travel (less than 5%) for training and professional development.

* Successful completion of a background check.

Physical activities and requirements

* Climbing. Ascending or descending ladders, stairs, scaffolding, ramps, poles, and the like, using feet and legs and/or hands and arms.

* Kneeling. Bending legs at knee to come to a rest on knee or knees.

* Crouching. Bending the body downward and forward by bending leg and spine.

* Crawling. Moving about on hands and knees or hands and feet.

* Reaching. Extending hand(s) and arm(s) in any direction.

* Standing. Particularly for sustained periods of time.

* Walking. Moving about on foot to accomplish tasks, particularly for long distances or moving from one work site to another.

* Pushing. Using upper extremities to press against something with steady force to thrust forward, downward, or outward.

* Pulling. Using upper extremities to exert force to draw, haul or tug objects in a sustained motion.

* Lifting. Raising objects from a lower to a higher position or moving objects horizontally from position-to-position. This factor is important if it occurs to a considerable degree and requires substantial use of upper extremities and back muscles.

* Grasping. Applying pressure to an object with the fingers and palm.

* Repetitive motion. Substantial movements (motions) of the wrists, hands, and/or fingers.

* Heavy work. Exerting up to 100 pounds of force occasionally, and/or up to 50 pounds of force frequently, and/or up to 20 pounds of force constantly to move objects.

* Raised access floor work. Must be able to maneuver and work underneath and around raised access floor of varying heights.

Physical Working Conditions

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

* Ability to stand 1/3 - 2/3 of the time

* Ability to walk 1/3 - 2/3 of the time

* Ability to sit 1/3 - 2/3 of the time

* Ability to climb and balance 1/3 - 2/3 of the time

* Ability to stoop, kneel, crouch, and crawl 1/3 - 2/3 of the time

* Ability to reach with hands and arms 1/3 - 2/3 of the time

* Ability to smell, talk, and hear

* Ability to use hands to type, handle, and feel

* Ability to see at close and distance ranges and distinguish color

* Must be comfortable working in a high-stress, fast-paced environment with shifting priorities

* Must be willing to work outside normal business hours, including weekends, late nights, holidays, and on-call support

* Ability to lift up to 50 pounds 1/3 of the time

#LI -Onsite

#LI-AG1

We operate with No Ego and No Arrogance. We work to build each other up and support one another, appreciating each other's strengths and respecting each other's weaknesses. We find joy in our work and each other, actively seeking opportunities to inject fun into what we do. Our hard and efficient work is rewarded with an above market total compensation package. We offer a comprehensive suite of health and welfare, retirement, and paid leave benefits exceeding local expectations.

Throughout the year, the advantage of being part of the Vantage team is evident with an array of benefits, recognition, training and development, and the knowledge that your contribution adds value to the company and our community.

Don't meet all the requirements? Please still apply if you think you are the right person for the position. We are always keen to speak to people who connect with our mission and values.

Vantage Data Centers is an Equal Opportunity Employer

Vantage Data Centers does not accept unsolicited resumes from search firm agencies. Fees will not be paid in the event a candidate submitted by a recruiter without an agreement in place is hired; such resumes will be deemed the sole property of Vantage Data Centers.

We'll be accepting applications for at least one week from the date this role is posted. If you're interested, we encourage you to apply soon-we're excited to find the right person and will keep the role open until we do!

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