Critical Facilities Maintenance Engineer(CFM)

5C-Dayton, Ohio,United States(On Site)

5C is in search of exceptional talent to fuel the expansion of our cutting-edge data center infrastructure in Dayton, Ohio,! As a trailblazing and agile organization, we are dedicated to delivering outstanding, sustainable, and reliable solutions that help our clients reach their goals of scaling high performance and high-density workloads. Our team will have exposure to the most advanced cooling and electrical systems currently on the market. At 5C we champion safety and security while creating an inspiring work environment where you can drive impactful, positive change. As a foundational member of our Critical Facilities Maintenance team, you'll be at the forefront of making pivotal decisions that will shape the future of our business. Come join us and play a key role in revolutionizing the world of hyperscale data centers!

About the Role of CFM Engineer:

The CFM Engineer role is at the heart of our site operations team, driving the seamless performance of all electrical, mechanical, and fire/life safety systems supporting over 20MW of critical IT capacity around the clock. Your responsibilities will include planning and executing preventative maintenance, handling repairs, and responding swiftly to emergencies, all while working under the guidance of the CFM Chief Engineer and Facility Manager. You will also be the go-to expert for addressing general facility management tasks from building inspections to maintaining a pristine work environment.

Moreover, you'll have the opportunity to lead small-to-medium scale projects from start to finish - collaborating with external teams such as engineering, controls, logistics, and construction to bring these projects to life. Your role will include procuring quotes, drafting procedures, and ensuring all work is executed with the highest standards of safety, security, and integrity for our customers. As the primary liaison with vendors and service providers, you'll guarantee adherence to safety and environmental protocols, while ensuring 5C receives exceptional service.

About the Critical Facilities Maintenance (CFM) Team:

Critical Facilities Maintenance (CFM) is comprised of the onsite team members that maintain the power delivery, cooling and general building infrastructure on behalf of our customers ensuring that their services are available without interruption on a continuous (24/7) basis. As a member of the CFM team, you will have the opportunity to lead and manage the maintenance and repair of equipment including Electrical Switchgear, Uninterruptable Power Supplies, Transformers, Batteries, Generators, Chillers, Air Handlers, Fire/Life Safety Equipment and more! Additionally, CFM will also support 5C’s growth through support of new installations and capital projects. The CFM team will work along-side diverse team members including controls engineers, project managers, business development, logistics, construction, and security personnel to accomplish 5C’s ambitious growth strategy.

About 5C:

5C is an industry-leading data center and cloud services provider serving hyper scalers, cloud providers, and enterprise customers. Built on a foundation of exceptional talent and backed by strong investors, the company specializes in fast deployment of state-of-the-art data centers. With a focus on sustainable and energy-efficient solutions, 5C is committed to innovation and customization, meeting the unique needs of each client.

What You’ll Be Contributing

Critical Infrastructure Operations

• Independently operate and monitor critical electrical and mechanical systems, including:
• UPS systems, battery plants, PDU/RPP, switchgear
• Generators, ATS/STS equipment
• CRAH/CRAC units, chillers, cooling towers, pumps, valves
• BMS, EPMS, SCADA, leak detection, and fire-life-safety systems
• Perform advanced troubleshooting and assist in diagnosing root causes for system issues.
• Escalate complex or high-risk issues to Lead/Chief Engineers as appropriate.

Maintenance & Technical Execution

• Perform complex preventive, corrective, and emergency maintenance activities with minimal supervision.
• Execute MOPs, SOPs, and EOPs with strong accuracy and adherence to safety standards.
• Provide input on procedure improvements, redlines, and documentation updates.
• Assist in coordinating vendor activities, ensuring work is performed safely and in alignment with operational requirements.

Incident Response & Reliability

• Support incident response activities under the direction of a Lead or Chief Engineer.
• Assist in gathering data for post-incident reviews and reliability analysis.
• Identify trends in system performance and communicate observations to site leadership for optimization.

Compliance, Documentation & Reporting

• Ensure work is performed in accordance with OSHA, NFPA, and internal safety policies.
• Ensure compliance with safety standards, environmental regulations, and internal audit requirements.
• Maintain detailed shift logs, equipment records, maintenance notes, and technical documentation.
• Support internal and external audit requirements (ISO, SOC2, environmental compliance).

Team Support & Knowledge Sharing

• Share technical knowledge, best practices, and troubleshooting techniques.
• Support a collaborative team environment focused on safety, reliability, and continuous improvement.

What Sets You Apart (Qualifications)

Required

• Strong working knowledge of critical electrical and mechanical systems, including:
• UPS, switchgear, generators, electrical distribution
• Chillers, CRAH/CRAC, pumps, cooling towers, and chilled-water systems
• Ability to read electrical one-lines, mechanical schematics, wiring diagrams, and control sequences.
• Proficiency executing MOPs, SOPs, and EOPs in a live critical environment.
• Demonstrated advanced troubleshooting skills.
• Ability to work onsite in a 24/7 critical environment (shifts vary by location).
• Strong documentation and communication skills.
• Ability to perform physical work (lifting, ladder use, confined spaces) safely and reliably.

What You’ll Be Contributing

Critical Infrastructure Operations

• Independently operate and monitor critical electrical and mechanical systems, including:
• UPS systems, battery plants, PDU/RPP, switchgear
• Generators, ATS/STS equipment
• CRAH/CRAC units, chillers, cooling towers, pumps, valves
• BMS, EPMS, SCADA, leak detection, and fire-life-safety systems
• Perform advanced troubleshooting and assist in diagnosing root causes for system issues.
• Escalate complex or high-risk issues to Lead/Chief Engineers as appropriate.

Maintenance & Technical Execution

• Perform complex preventive, corrective, and emergency maintenance activities with minimal supervision.
• Execute MOPs, SOPs, and EOPs with strong accuracy and adherence to safety standards.
• Provide input on procedure improvements, redlines, and documentation updates.
• Assist in coordinating vendor activities, ensuring work is performed safely and in alignment with operational requirements.

Incident Response & Reliability

• Support incident response activities under the direction of a Lead or Chief Engineer.
• Assist in gathering data for post-incident reviews and reliability analysis.
• Identify trends in system performance and communicate observations to site leadership for optimization.

Compliance, Documentation & Reporting

• Ensure work is performed in accordance with OSHA, NFPA, and internal safety policies.
• Ensure compliance with safety standards, environmental regulations, and internal audit requirements.
• Maintain detailed shift logs, equipment records, maintenance notes, and technical documentation.
• Support internal and external audit requirements (ISO, SOC2, environmental compliance).

Team Support & Knowledge Sharing

• Share technical knowledge, best practices, and troubleshooting techniques.
• Support a collaborative team environment focused on safety, reliability, and continuous improvement.

What Sets You Apart (Qualifications)

Required

• Strong working knowledge of critical electrical and mechanical systems, including:
• UPS, switchgear, generators, electrical distribution
• Chillers, CRAH/CRAC, pumps, cooling towers, and chilled-water systems
• Ability to read electrical one-lines, mechanical schematics, wiring diagrams, and control sequences.
• Proficiency executing MOPs, SOPs, and EOPs in a live critical environment.
• Demonstrated advanced troubleshooting skills.
• Ability to work onsite in a 24/7 critical environment (shifts vary by location).
• Strong documentation and communication skills.
• Ability to perform physical work (lifting, ladder use, confined spaces) safely and reliably.

Preferred

• Preferred Experience: 2–4 years of hands-on experience in data centers, critical facilities, industrial plants, mechanical/electrical infrastructure or related industry experience.
• Ability to independently perform routine and moderately complex maintenance tasks.
• Understanding of critical systems (CRAC/CRAH, UPS, generators, PDUs).
• Experience executing MOPs/SOPs with minimal supervision.
• Early-stage experience troubleshooting non-complex issues.
• Experience coordinating with vendors or contractors.
• Technical diploma, trade certificate, or coursework in HVAC, electrical, mechanical, or industrial maintenance.
• Experience with BMS/EPMS/SCADA systems.
• OEM training (Liebert, Schneider, Cummins, Caterpillar, Trane).
• Exposure to liquid cooling for AI/GPU environments.

Key Competencies

• Technical depth in power and cooling systems
• Strong problem-solving and analytical skills
• Ability to work independently while supporting team collaboration
• Excellent communication and documentation habits
• High attention to safety and operational discipline
• Professionalism, reliability, and accountability

5C Group is an equal opportunity employer and does not discriminate in hiring or employment, in accordance with the requirements of all applicable laws, including race, color, religion, national origin, ancestry, age, gender, marital status, military status, sexual orientation, disability, or medical condition.