Administrative Assistant / Payroll Administrator

Job overview

The Administrative Assistant / Payroll Administrator role is onsite in Portland, ME, with compensation of $22–$25 per hour. Unitil provides energy service to customers in Maine, Massachusetts, and New Hampshire, with a focus on safe and reliable delivery. This position supports Operations Services by maintaining accurate employee timecards, records, filings, and plant-asset information. It also handles invoice processing, fleet and inventory records, and administrative coordination to help the department operate effectively and meet its control and service responsibilities.

What you'll do

• Process employee timecards for payroll
• review and enter compliance and records documentation
• process vendor invoices and support accounts payable
• track vehicle mileage and fleet records
• maintain material inventory data
• coordinate meeting logistics and office supplies
• prepare documents, reports, and spreadsheets
• maintain department records
• support process improvements, special assignments, and departmental controls.

What we're looking for

Skills & competencies

administrative assistant

payroll administrator

portland me

unitil

full-time

day schedule

$22–$25/hr

timecards

accounts payable

records management

fleet records

microsoft excel

Work arrangement

• Weekend coverage required

Benefits & perks

• Consumer-driven health plan, dental and vision coverage, flexible work, company-paid holidays, retirement plan, and educational assistance.

Why this role

Supports utility Operations Services and plant-asset records; includes payroll, accounts payable, fleet, and inventory administration.

About the employer

Unitil Service Corporation is hiring for this role. Industry: Electric Power Distribution. Sector: 22.