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Sr. Administrative Assistant

Aecon Group
Richland, WA, US Posted Oct 29, 2026
On-siteUSD 30 - 50 / hour

About this role

Aecon Group - Sr. Administrative Assistant

We are seeking an Sr. Administrative Assistant to help manage day-to-day office activities and provide administrative support for various projects and organizational functions. The successful candidate would have experience in general project administration, document control, and procurement, in addition to basic office management.

What You'll Do Here: The successful candidate will perform advanced project administrative duties in support of our power business and the company’s leadership organization. Coordinating with the project engineering manager (PEM) and the project information manager (PIM), the administrative assistant will provide general project administration, document control, meeting coordination, in addition to other project-based activities. Support the procurement process by developing procurement requisitions and purchase orders using SAP software. Assembles and analyzes information, prepares reports, manuals, agendas, correspondence and memoranda. Helps coordinate activities across departments. May arrange and make notifications of appointments and travel reservations/arrangements. Prepares materials in final form from very rough and involved drafts which may utilize frequent use of technical terminology and which combine materials from several sources. Plans layout of complex reports and statistical tables.

What You Bring to the Team:

Education

  • High School diploma or equivalent and advanced secretarial training.

Experience

  • A minimum of 10 years of prior related experience with 4 years of experience with a company is preferred.

Required Skills

  • Requires mid to expert knowledge of commonly used Personal Computer applications such as word processing, spreadsheets, and databases.

  • Working knowledge of SAP software is preferred.

  • Organized, proactive, and able to operate with urgency.

  • Excellent written and verbal communication.

  • Ability to work on multiple projects at one time.

  • Excellent organizational skills and the ability to multitask.

  • Possesses a thorough and extensive knowledge of office practices and procedures.

  • Hourly Range & Benefits

  • The expected pay range for this role is $30.00 - $50.00 per hour.

  • Individual pay is determined based on several factors, including work location, education, experience, unique skills and job conditions. Other considerations may include certifications, specialized training, and the complexity or scope of the role.

  • Benefits Include

  • Health Insurance Benefits (Comprehensive Plan - Dental/Medical/Vision)

  • 401K (comprehensive match plan)

  • Paid Vacation (vacation/wellness days)

  • Health and Wellness Home Benefit (wellness subsidy for fitness/health)

  • Tuition Reimbursement (strong career growth support for approved degrees, diplomas and courses)

  • Green Home Energy Benefit (a subsidy that can be used for approved green home energy expenses)

  • Aecon fosters belonging within and across our organization. We consider all applicants for positions without regard to race, color, religion, sex, national origin, age, mental or physical disabilities, veteran status, and all other characteristics protected by law.

  • We are committed to adhering to the objectives and requirements outlined in the Equal Employment Opportunity Commission (EEOC), and to meeting the accessibility needs of persons with disabilities in a timely manner, through the implementation of the requirements of the EEOC and its applicable regulations. Appropriate accommodation under the EEOC will be provided upon request throughout the interview and hiring process.

  • Aecon is committed to ensuring all job postings are compliant with all applicable laws. Any candidate who has a concern regarding the contents of this or any other job posting can email [email protected].

  • Nearest Major Market: Kennewick

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