Freelance High Performance Computing Jobs in Phoenix, AZ

5C DATA CENTERSJoin the Future of Digital InfrastructureAre you a passionate Chief Engineer looking to make a meaningful impact? We're building the next generation of digital infrastructure powering hyperscalers, AI innovation, and high-performance computing across North America.  JOB TITLEChief EngineerDEPARTMENTOperationsLOCATIONPhoenix, AZWORK ARRANGEMENTOn-SiteTRAVEL REQUIREMENTSUp to 10%SALARY RANGE$175,000 – $210,000 Role SummaryWe're looking for an exceptional leader to help fuel the expansion of our cutting-edge data center infrastructure. As a fast-moving, trailblazing organization, we deliver sustainable, reliable solutions that help our clients scale high-performance, high-density workloads, giving you direct exposure to some of the most advanced cooling and electrical systems on the market today.As a foundational member of our Critical Facilities Maintenance (CFM) team, you'll serve as a senior technical leader guiding the operation, maintenance, and repair of critical data center systems, with a strong focus on electrical power delivery and cooling infrastructure. This role is accountable for 24/7 reliability and customer uptime - you'll supervise and mentor a team of 10+ engineers, lead hands-on training, and drive major capital projects alongside construction, engineering, and controls teams.At the Senior level, this role expands into regional leadership, directing cross-site initiatives, building training programs, and driving innovation in maintenance and reliability as the business scales across multiple facilities.How We Work at 5COur core values guide how we collaborate, make decisions, support one another, and serve our customers. We're looking for people who embrace them and help us build something great. What You Will Do Leadership & Team DevelopmentLead engineering teams across multiple sites or large-scale projects, setting priorities and allocating resources.Mentor and train Chief Engineers and senior technicians, providing coaching, performance feedback, and technical guidance.Foster a culture of safety, accountability, compliance, and continuous improvement across all sites.Operations & ReliabilityEnsure consistent maintenance, operation, and reliability across multiple data center sites and critical infrastructure systems.Oversee daily operations of the CFM team, ensuring readiness for maintenance, repair, and emergency response.Manage uptime, efficiency, and sustainability metrics, delivering executive-level reporting and recommendations.Ensure 24/7 reliability of key systems, including electrical distribution, UPS, generators, chillers, air handlers, and fire/life safety systems.Guide teams through incident management and root cause analysis, driving corrective actions and long-term improvements.Cross-Functional CollaborationWork closely with construction, design engineering, commissioning, controls, logistics, operations, security, and senior leadership.Represent the CFM function in cross-functional initiatives, balancing diverse priorities and aligning goals across teams.Lead initiatives involving stakeholders outside your direct organization, ensuring effective communication and collaboration.Training & StandardizationDevelop and implement structured training programs for CFM teams across the region to enhance technical expertise.Standardize technical practices, preventive maintenance procedures, safety requirements, and compliance processes across facilities.Provide hands-on guidance and mentoring for complex troubleshooting, technical tasks, and preventive maintenance.Strategic Initiatives & Continuous ImprovementLead regional initiatives, campus-wide projects, infrastructure upgrades, and commissioning activities with broad business impact.Take ownership of ambiguous initiatives, creating clarity, structure, and measurable deliverables.Drive adoption of new systems, sustainability practices, and efficiency measures that improve operational performance.Track and report on uptime, maintenance compliance, and safety metrics, ensuring alignment with 5C's operational standards and policies.What You Bring Technical training or degree (military or trade school) in a relevant field such as electrical or mechanical engineering.8+ years of hands-on electrical or mechanical experience.8+ years of mission critical facilities maintenance experience (data centers, power generation, hospitals, etc).Demonstrated ability to lead teams across multiple facilities or large-scale projects.Ability to regularly lift and/or move up to 49 pounds; and participate in group lifts for 50 pounds or more. Why Join 5C Data Centers?At 5C, we believe great people build great companies. You'll build a rewarding career while helping shape the future of digital infrastructure - one of the fastest-growing industries in the world.Career GrowthBuild a rewarding career in one of the world's fastest-growing industries.Industry LeadershipHelp power the infrastructure behind AI and high-performance computing.Entrepreneurial CultureYour ideas matter - we empower employees to help shape our future.Comprehensive RewardsCompetitive pay plus meaningful, lasting impact on the work you do. Life at 5CWe're more than a workplace - we're a team of builders, innovators, and problem-solvers united by a shared purpose: creating infrastructure that powers the technologies transforming our world. Your voice matters here, and we encourage fresh ideas at every level.Ready to Apply?If this opportunity sounds like the right fit for you, we'd love to hear your story. Apply today and discover what your future could look like at 5C Data Centers. 5C Data Centers is an equal opportunity employer.We celebrate diversity and are committed to creating an inclusive environment where everyone can thrive. 5C evaluates qualified applicants without regard to race, color, religion, gender, national origin, age, sexual orientation, gender identity or expression, disability status, or any other legally protected characteristic.#LI-LS1