Assistant Project Manager (BESS EPC)

Primoris Services Corporation • Aurora, CO

64d • Onsite

About The Position

The Assistant Project Manager (APM) supports the Project Manager (PM) and site leadership team in the safe, high-quality, and efficient execution of utility-scale solar, BESS, and HV construction projects. The APM assists with project administration, scheduling, forecasting, procurement, subcontract management, financial controls, document management, and client communication. This role is designed to help develop the next generation of Project Managers and is primarily responsible for Site Project Manager administrative tasks. This position reports to the Project Manager and has direct reporting structure of the on-site Project Engineer, Field Engineers, Site Admin, Site Safety Manager, Site Quality Manager. It also coordinates with the Construction Manager on evaluation of schedule, project costs, equipment management and staffing.

Requirements

• 4–7+ years of construction experience; utility-scale solar, BESS, HV, industrial, commercial construction or heavy civil experience preferred.
• Experience with self-perform construction environments strongly preferred.
• Proficiency with project management and construction software (P6, Procore, Bluebeam, Vista/CMiC, MS Office, etc.).
• Strong organizational, communication, and documentation skills.
• Ability to work on-site 100% (temporary relocation to project community required)

Nice To Haves

• Bachelor’s degree in Construction Management, Engineering, or a related field (preferred but not required with equivalent experience).

Responsibilities

• Lead LNTP and pre-mobilization setup by managing documentation, permits, contracts, scopes, and early procurement while supporting budget development and overall execution planning.
• Support the Project Manager through client coordination, meeting preparation, scope and drawing review, and ensuring project requirements, estimates, and planning documents are accurate and aligned.
• Manage subcontracting and procurement workflows by preparing requisitions, supporting PO creation, validating quantities against BOMs, and ensuring alignment with scopes, budgets, and schedule requirements.
• Draft and review subcontract agreements, lead pre-task planning meetings, and coordinate first-article build approvals to ensure clarity, safety, quality, and proper construction sequencing.
• Support quality and compliance efforts by maintaining required documentation and assisting with Inflation Reduction Act (IRA) reporting, domestic content verification, and labor-related requirements.
• Prepare agendas, gather field data, compile progress updates, and support client-facing presentations and project reporting across schedule, cost, quality, and safety metrics.
• Coordinate three-week look-ahead schedules, participate in weekly cost reviews, and work with Construction and Trade Superintendents to align labor, materials, subcontractors, and critical path activities.
• Support subcontractor management by tracking performance, resolving field issues, and reviewing invoices for accuracy, percent-complete validation, and proper documentation.
• Oversee Project Engineer in participation of detailed page turn reviews of engineering drawings to verify consistency, identify constructability issues, and coordinate with Engineering and field teams on required clarifications.
• Ensure Project Engineer is processing, tracking, and logging all submittals and transmittals between engineering, vendors, subcontractors, and clients, ensuring timely review cycles and up-to-date document control.
• Support project financial controls by forecasting cost flows, preparing WIP reports, updating percent-complete data, and identifying variances for leadership review.
• Assist with change management and contractual communication by gathering backup for change orders, documenting impacts, and drafting formal project notices.
• Contribute to overall schedule management by gathering field progress data, identifying risks, and helping update the project schedule with the PM, CM, and scheduler.
• Perform variable cost calculations by analyzing labor hours, equipment usage, and production rates to support billing, forecasting, and cost control efforts.
• Review and validate invoices for variable-cost work items, ensuring alignment with field progress, contract terms, and supporting documentation before approval.

Benefits

• Paid Company Holidays
• Paid Time Off
• Straight Time Over Time
• Paid sick leave as required by Colorado’s Healthy Families and Workplaces Act.
• Medical, Dental, Vision, FSA/HSA, Short Term/Long Term Disability, 401K with matching contribution.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 5,001-10,000 employees