Administrative Assistant

Location:

Centralia, WA, US

Company:
Trans Alta

Job Type: Full time - Salaried

Work Arrangement:
Full Time On-Site

At Trans Alta
, we don’t just generate electricity-we generate opportunity. As one of Canada’s largest publicly traded power generators, we’ve been powering communities for over 100 years across Canada, the U.S., and Australia. Our diverse energy portfolio and passionate team are driving the transition to a cleaner, more sustainable future.

We believe in the power of purpose, the strength of collaboration, and the value of continuous learning. If you’re ready to make a real impact in a dynamic industry,
you bring the energy and we’ll provide the platform.

Trans Alta is seeking a highly organized and proactive Administrative Assistant to support the day-to-day operations of our Centralia Plant
. This role is ideal for someone who enjoys variety, building relationships, and helping teams stay organized and productive.

As a key member of the site team, you will provide administrative, coordination, and logistical support to plant leadership and employees. You will help ensure office operations run smoothly, support employee engagement activities, coordinate vendor visits, and maintain accurate records and documentation.

This is a full-time, salaried
position based out of our Centralia Plant in Centralia, WA
.

• Provide administrative support to plant leadership and site personnel.
• Manage calendars, schedule meetings, and coordinate appointments.
• Coordinate logistics for internal meetings, training sessions, and site events.
• Support employee engagement initiatives and company programs, including assisting with community and charitable campaigns (such as United Way initiatives), distributing forms, tracking responses, and coordinating event logistics.
• Welcome and coordinate site visitors, vendors, and contractors, ensuring site requirements and logistics are communicated effectively.
• Assist with travel arrangements, catering, room bookings, and meeting preparations.
• Prepare, format, proofread, and distribute correspondence, reports, presentations, and other business documents.
• Maintain electronic and physical filing systems and records.
• Coordinate administrative and financial support activities, including data entry, recordkeeping, invoice processing, purchase requisitions, and periodic banking deposits.
• Order and maintain office supplies and coordinate office service needs.
• Work collaboratively with teams across the business to provide timely administrative support and address day-to-day operational requirements.

• Post-secondary diploma in Administration is strongly preferred; however, consideration may be given to candidates with proven experience and demonstrated administrative capabilities.
• 3+ years of administrative, office coordination, or related experience.
• Proficient with Microsoft Office applications, including Excel, Word, Outlook, and Teams.
• Strong data entry, filing, document management, and organizational skills.
• Experience working with SAP is considered an asset.
• Excellent interpersonal, written, and verbal communication skills.
• Proven ability to manage multiple priorities and adapt to changing business needs.
• High level of accuracy, attention to detail, and professionalism.
• Ability to work independently while maintaining strong collaboration with a broader team.
• Experience supporting employees in an industrial, operations, manufacturing, or plant environment is considered an asset.

• Annual and long-term incentives available for select roles
• 401(k) plan with 5% fixed employer contributions, up to 5% company matching, and additional employee contribution
• Benefits program for you and your family which includes medical, dental, vision, and life insurance
• Generous vacation and personal days
• Learning and development programs
• Employee recognition and rewards
• Annual wellness allowance

A reasonable estimate of the pay range is
USD $46,200 - USD $64,000 at the time of this posting. Individual pay is determined by job-related skills, relevant experience, education, and/or training. The top end of the range is…