Assistant project manager jobs in Sun Lakes, AZ - 1,461 jobs

Senior Project Manager - Construction 5C Phoenix, Arizona, United States(On Site) At 5C, we're building the future of digital infrastructure, and we are hiring a Senior Project Manager - Construction to support our rapidly growing hyperscale and AI data center development pipeline. As a fast-growing and innovative organization, 5C develops hyperscale, cloud, and AI-ready data center infrastructure designed to support the world's most demanding workloads. We foster a culture rooted in safety, accountability, and collaboration, where teams work on mission-critical projects that power the digital economy and drive continuous innovation. At 5C, every role contributes to building the next generation of data center infrastructure-join us and help redefine what's possible in digital infrastructure and cloud technology. About the Role of the Senior Project Manager - Construction We are seeking a highly experienced Senior Project Manager (SPM) to lead the planning, execution, and delivery of large-scale hyperscale and AI data center construction projects. This role is responsible for full lifecycle project delivery-from pre-construction and design coordination through commissioning and operational handover-while ensuring alignment across cost, schedule, quality, safety, and performance objectives. The Senior Project Manager serves as the primary owner's representative on site, overseeing general contractors, subcontractors, design partners, vendors, and commissioning agents. The role requires close coordination with internal Engineering, Operations, Capacity Planning, IT, and EHS teams to ensure projects are delivered safely, on time, and to the highest standards. This is a site-based role for the duration of each project. Upon completion of the initial assignment in Phoenix, Arizona, the Senior Project Manager is expected to transition to subsequent project sites in support of the company's ongoing development pipeline. Future project locations will be determined based on business needs and may not be known at the time of hire. Work Location & Project Assignment Flexibility The role will start at a designated project site in Phoenix, Arizona Upon successful completion of the project, the Senior Project Manager will transition to the next active construction site, which may be in a different geographic location Relocation assistance or travel-based arrangements may be considered on a case-by-case basis Flexibility and willingness to support multiple project locations over time is a core requirement of this role What You'll Be Contributing Project Leadership & Delivery Lead end-to-end delivery of hyperscale and AI data center construction projects Manage multiple concurrent project phases across greenfield, brownfield, and expansion environments Drive cross-functional collaboration across Construction, Engineering, Operations, EHS, IT, and vendor partners Budget, Cost & Schedule Management Develop and manage project budgets, cost tracking, forecasts, procurement schedules, and financial reporting Oversee contractor pay applications, change orders, value engineering initiatives, and cost risk mitigation Maintain schedule integrity through active coordination with contractors, engineering teams, supply chain, and equipment vendors Construction Oversight Ensure all construction activities comply with design intent, specifications, commissioning requirements, and safety standards Lead daily and weekly coordination meetings with general contractors and trade partners Establish and enforce controls for high-risk activities, including energized work, cranes, heavy lifts, hot work, and confined space entry Design & Engineering Coordination Collaborate closely with architectural, structural, mechanical, electrical, plumbing, and fire/life safety design teams Review design documents, conduct constructability reviews, and coordinate required revisions Support the evaluation and integration of advanced cooling systems, high-density power infrastructure, and AI-optimized design requirements Vendor & Contractor Management Support selection and oversight of general contractors, commissioning agents, equipment suppliers, and specialty vendors Ensure contractual compliance and performance across all external partners Lead weekly OAC (Owner-Architect-Contractor) meetings and maintain detailed issue and risk logs Commissioning & Turnover Coordinate with commissioning authorities and operations teams to ensure systems are tested, validated, and fully functional Oversee MEP functional testing, integrated systems testing (IST), and turnover documentation Ensure operational readiness for facility activation and customer deployment Risk, Compliance & Reporting Identify and mitigate risks related to schedule, cost, quality, supply chain, permitting, and safety Ensure compliance with environmental regulations, building codes, and internal standards Provide regular executive-level reporting on project status, risks, variances, and key decision points Required Qualifications Bachelor's degree in Construction Management, Engineering, Architecture, or a related field (Master's preferred) 7-10+ years of project management experience, including 3-5+ years in hyperscale or mission-critical data center construction Proven experience delivering large-scale projects valued at $50M-$500M+ Strong understanding of high-density electrical systems (MV/LV), mechanical cooling systems, backup power, UPS, generators, and BMS/EPMS platforms Demonstrated ability to manage general contractors, trades, vendors, and design partners Strong financial acumen in budgeting, forecasting, and cost control Excellent leadership, communication, negotiation, and decision-making skills Willingness to travel and/or relocate as projects transition Preferred Qualifications PMP, CM-Lean, or similar professional certification Experience with advanced cooling technologies such as liquid cooling or immersion cooling Equal Opportunity Employer 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.