HDR · Seattle, Washington, US

Administrative Assistant

OpenFull-timePay not stated

Open — HDR has a posting for this job. Posted 5 Nov 2026.

This posting

Posted 5 Nov 2026 · Full-time · Pay not stated

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About this job

At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we foster a culture of inclusion throughout our company and within our communities, we constantly ask ourselves: What is our impact on the world?

We believe transportation is more than movement, it’s the foundation of connected, thriving communities. As part of HDR’s Transportation Business Group, you’ll help shape the systems that move people and goods safely, efficiently, and sustainably. From designing resilient highways and iconic bridges to advancing transit, passenger and freight rail, aviation, federal transportation ports and marine infrastructure, your work will directly support economic vitality, public safety, sustainable and resilient communities and quality of life. We bring together planners, engineers, architects, construction management staff, environmental, strategic communications, economists, management consultants and specialists across disciplines to solve complex mobility challenges with innovation, technical excellence, and a deep understanding of community needs. Whether you're modernizing aging infrastructure or pioneering next-generation transportation solutions, your contributions will help define the future of mobility. This isn’t just a job, it’s a chance to lead progress, drive meaningful impact, and leave a legacy of smarter, more connected transportation networks. We are all employee-owners at HDR, which is the foundation of our collaborative culture that connects employees around the world.

Watch Our Story:' https://www.hdrinc.com/our-story'

Each and every role throughout our organization makes a difference in our ability to change the world for the better. Read further to learn how you could help make great things possible not only in your community, but around the world.

In the role of Administrative Assistant, we'll count on you to:

  • Provide executive level support for the WSDOT Cascadia Program including supporting the HDR Program Manager, setting meetings, arranging travel, manage program document management and filing, and reviewing and implementing new program policies and procedures.
  • Conducting tasks such as building communications and correspondence, seating arrangements for program staff, supporting recruiting, building key card access, safety coordinator, maintain office amenities, coordinate purchase of supplies, and organize internal meetings at the program office.
  • Type, revise and combine materials such as correspondence, reports, records, forms, meeting minutes, scientific or technical material, numerical data, and tabular information from rough draft, corrected copy or previous versions.
  • Proofread and edit documents for grammar, spelling, punctuation and format.
  • Provide support for staff as needed, including reception duties, answering and directing telephone calls, delivering messages, greeting employees and visitors, scheduling conference calls, and distributing incoming faxes and mail
  • Complete word processing as needed, including letters, memos, reports and labels.
  • Provide meeting setup, travel arrangements, light accounting and other miscellaneous tasks/projects as needed.
  • Perform other duties as needed.

Preferred Qualifications:

  • Bachelor's degree or Associate degree.
  • 4+ years' experience as an administrative assistant.
  • Experience in a collaborative office with both internal staff and client staff.
  • High proficiency in Microsoft Word, Outlook, PowerPoint, Excel, Adobe.
  • Solid interpersonal skills.
  • Strong time management skills and ability to prioritize.

#LI-SG4

Required Qualifications

  • High School diploma or equivalent
  • Excellent verbal and written communication including grammar, punctuation, proofreading, spelling and telephone skills
  • Flexibility and ability to prioritize and handle multiple tasks and various managers in a fast-paced environment
  • Self-motivated, well-organized and detail-oriented
  • Ability to handle confidential information
  • Proficiency with MS Office including Word and Outlook
  • An attitude and commitment to being an active participant of our employee-owned culture is a must

What We Believe
HDR is our company. Together, we build on each other's life experiences and perspectives to make great things possible every day. This shapes our collaborative culture, encourages organizational trust and connects us closer to the clients and communities we serve.

Our Commitment
As employee owners, we all have a role in creating an inclusive environment where each of us is welcomed, valued, respected and empowered to bring our authentic selves to work every day.

Our eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ+, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute. Each group has an executive sponsor and is open to all employees.

Read the full posting

Not this job's pay

What do Administrative Assistant jobs in Washington pay?

Talentify has no pay figure for this posting. The lines below are about Administrative Assistant jobs on Talentify in Washington as a group, computed by Talentify's job index across their postings. They are not the pay for this job.

Of the 30 jobs with this title on Talentify in Washington, 13 list pay per hour.

Taking the midpoint of each listed range, the middle half pay 21.72–30.54 USD per hour and the median is 27.00 USD per hour.

10 of these 13 name no currency; they are counted as USD because the jobs are in the United States.

4 of these 13 state their pay in the job description, not in a separate pay field.

Pay as employers listed it, not adjusted or verified. Updated 2026-11-12.

Computed on 2026-11-12 from the pay in 13 listings.

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Administrative Assistant jobs in Washington at other employers

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