Energy Storage-Project Administrative Assistant

About the Role

• Provide administrative and operational clerical support to the department or staff. • Ensure IRA compliance. • Manage certified payroll and prevailing wage requirements. • Handle incoming calls, forward them appropriately, and take messages as needed. • File and maintain written records and create electronic copies for documentation. • Receive, sort, and record deliveries in the computer database. • Prepare daily outbound deliveries. • Assemble materials for design and construction meetings. • Record and update meeting minutes for various site meetings. • Procure consumable materials and office supplies. • Assist Superintendent with equipment inventory tracking and organization. • Support Superintendent with entry of craft worker timecards. • Provide general day‑to‑day support for the project team as needed. • Schedule, track, and log all repairs and standard maintenance for work trucks. • Provide maps and directions to visitors, subcontractors, deliveries, or new employees. • Log all applicants into the Craft Applicant Tracking Spreadsheet.

Key Responsibilities

• ▸certified payroll
• ▸compliance
• ▸inventory tracking
• ▸timecard entry
• ▸delivery scheduling
• ▸procurement

What You Bring

Mortenson is seeking an Assistant Project Administrative Assistant for its Energy Storage Group. The role supports project teams by anticipating needs, resolving operational and administrative issues, and providing executive support across a variety of tasks. Candidates must be flexible, inventive, enthusiastic, and maintain a high level of integrity and confidentiality. Applicants must be legally authorized to work in the United States without visa sponsorship; the company does not provide sponsorship for H‑1B, TN, CPT, OPT, or similar visas. • Three years of administrative experience, preferably supporting a large number of team members. • Associate’s degree in business or related field preferred. • Detail‑oriented with strong problem‑solving, communication, and integrity skills. • Ability to thrive in a rapidly changing environment. • Preferred experience with IRA compliance.

Requirements

• ▸3 years
• ▸associate’s
• ▸ira compliance
• ▸detail‑oriented
• ▸problem‑solving
• ▸confidentiality

Benefits

The position is based on‑site at project locations in Florida, Texas, Arizona, and Ohio, with a base hourly rate between $24.52 and $33.12, adjusted for certain markets. Pay is determined by knowledge, skill, experience, and internal equity. • Medical, prescription drug, vision, and dental plans at no extra cost. • 401(k) retirement plan with generous Mortenson match. • Paid time off, holidays, and other paid leaves. • Employer‑paid life, AD&D, and disability insurance. • No‑cost mental health tools and concierge services with extensive work‑life resources. • Tuition reimbursement and adoption assistance. • Gym membership discount program.

Work Environment

Onsite