Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Sr. Administrative Assistant

Full-time

Robert Half Careers

Job Description

Job Description

Are you an upcoming or recent college graduate? We are looking for an experienced Administrative Assistant to support daily business operations onsite in Renton, Washington. This Long-term Contract position is ideal for someone who excels at managing schedules, coordinating travel, and keeping administrative processes organized and confidential. The role requires strong communication, sound judgment, and the ability to handle multiple priorities while supporting meetings, reporting, and office logistics.

Responsibilities:

• Coordinate complex calendars, schedule meetings, and adjust appointments to support changing business priorities.

• Arrange domestic and international travel, prepare itineraries, and manage related booking details through approved systems.

• Prepare, organize, and maintain import and export documentation while ensuring records are complete and accessible.

• Support conference calls, meeting setup, and event logistics to help teams operate efficiently.

• Process expense reports and complete expense reconciliation with accuracy and attention to policy requirements.

• Handle inbound phone communications professionally and route inquiries to the appropriate contacts.

• Create, update, and distribute internal reports, presentations, spreadsheets, and shared documents using Microsoft Excel, PowerPoint, and SharePoint.

• Safeguard sensitive information and maintain confidentiality across executive and administrative activities.

• Proven experience in a senior-level administrative support role.
• Strong ability to manage calendars, travel coordination, and meeting scheduling in a fast-paced environment.
• Experience working with Concur for travel and expense processing.
• Proficiency with Microsoft Excel, Microsoft PowerPoint, and SharePoint.
• Excellent written and verbal communication skills with a detail-oriented approach to stakeholder interaction.
• Ability to manage confidential information with discretion and sound judgment.
• Experience supporting reporting, event coordination, and general administrative operations with strong attention to detail.
Vacancy posted 1 day ago
Similar jobs that could be interesting for youBased on the Sr. Administrative Assistant in Renton, WA vacancy
  •  ...Sr. Administrative Assistant & Program Coordinator Novinium is the world leader in technology to rejuvenate and extend the life of underground electrical cables, with a success rate that provides a better-than-new warranty. Our culture of accomplishment, and belief... 
    Senior
    Work at office

    Novinium: A Southwire Company

    Kent, WA
    3 days ago
  • $73k - $114k

    Sr. Administrative Specialist, Bilingual in Japanese & English, Washington DC page is loaded## Sr. Administrative Specialist, Bilingual in Japanese...  ...filing.* Support Audit by Internal Audit and Regulators.* Assist Head Office executives’ business trips to DC. Support MUFG... 
    Senior
    Work at office
    Local area
    Remote work

    MUFG Bank, Ltd

    Seattle, WA
    3 days ago
  • $24 - $26 per hour

     ...to be shared through in-person, online, and hybrid instruction. Position Summary What you will get out of being an Administrative Assistant at Mathnasium: Learn to deal with the public, and become the face of the Mathnasium learning center. Greet and serve... 
    Suggested
    Hourly pay
    Work at office

    Mathnasium

    Renton, WA
    2 days ago
  • $32.07 - $48.11 per hour

     ...Administrative Assistant Provide a wide range of highly complex administrative tasks in the Center for Infectious Disease Research (CGIDR). Responsibilities include the organization, prioritization and coordination of a high volume of work including confidential information... 
    Senior
    Hourly pay
    Full time
    Work at office

    Seattle Children's

    Seattle, WA
    3 days ago
  • $37.69 - $55 per hour

     ...Overview MG2, an affiliate of Colliers Engineering & Design, is currently looking for an Senior Administrative Assistant to join our team in Seattle, WA! This position supports assigned studio, executive, and office operations. A Senior Administrative Assistant... 
    Senior
    Hourly pay
    Temporary work
    Summer work
    Flexible hours

    MG2

    Seattle, WA
    1 day ago
  • $27.07 - $54.13 per hour

     ...Executive Administrator We are seeking a highly skilled and proactive Executive Administrator to provide top-level administrative and...  ...maximum cap of 112 hours. 11. Paid parental leave 12. Adoption assistance 13. Employee Stock Purchase Plan 14. Financial planning and... 
    Senior
    Hourly pay
    Temporary work
    Work at office
    Flexible hours
    Shift work

    Oracle

    Seattle, WA
    4 days ago
  •  ...purchase orders using the appropriate software application. Assisting with department/facility accounts receivable and accounts...  ...forms and supplies. Assisting with various basic personnel administrative functions as needed. Acting as backup to other clerical personnel... 
    Work at office

    Fresenius Medical Care

    Renton, WA
    15 hours ago
  •  ...Administrative/Executive Assistant Location: Seattle/Bellevue / Remote Duration: 12+ months with possible extensions, subject to budget & management/performance Job Summary: Role Responsibilities: Performs executive support activities for two executives... 
    Remote work

    Netpace

    Bellevue, WA
    3 days ago
  •  ...Senior Administrative Assistant The Senior Administrative Assistant provides support to meet the business needs of company upper management. Under moderate supervision, this job meets the daily requirements of upper management and various other office needs, including... 
    Senior
    Work experience placement
    Work at office

    TIAA

    Seattle, WA
    3 days ago
  •  ...people to lead with purpose and make a lasting impact. Position Summary We're seeking a meticulous and motivated Compliance Assistant to support the Community Manager in ensuring all assigned properties meet regulatory and company compliance standards. In this role... 
    Temporary work
    Interim role
    Work at office
    Remote work

    Allied Residential

    Renton, WA
    3 days ago
  • $164.7k - $222.8k

    Own the operational backbone of Amazon's high-volume hiring engine. As Principal Program Manager for Business Operations, you'll serve as the single-threaded operational leader across business operations, process engineering, knowledge management, and financial management...
    Senior
    Flexible hours
    Shift work

    Amazon

    Seattle, WA
    4 days ago
  • A leading construction company in Seattle is seeking an experienced Senior Scheduler I. Responsibilities include overseeing planning and scheduling activities, coaching the scheduling team, and ensuring compliance with corporate strategies. The ideal candidate will possess...
    Senior

    M. A. Mortenson Company

    Seattle, WA
    15 hours ago
  • $130k - $170k

    Turner & Townsend is hiring a Senior Scheduler for a full-time position in Seattle, Washington. You will support scheduling for large-scale projects, requiring a strong background in project controls and scheduling. The ideal candidate should possess a Bachelor’s degree...
    Senior
    Full time

    Turner & Townsend

    Seattle, WA
    15 hours ago
  • Business Coordinator Serve as a key business integrator providing comprehensive coordination between CES Leadership, Business Operations, Business Development, and technical teams to enable efficient operation and continuous improvement. The Business Coordinator owns...
    Part time
    Work at office

    Mindlance

    Seattle, WA
    5 days ago
  • $31.83 - $44.56 per hour

     ...Executive Assistant Pay Range: $31.83 - $44.56 ******************************************************************************...  ...combination of project management, writing and editing, research, and administrative tasks. SEARHC is a non-profit health consortium which... 
    Senior
    Temporary work
    Relocation package

    South East Alaska Regional Health Consortium

    Renton, WA
    7 days ago
  • $26.44 per hour

     ...Administrative Assistant Are you seeking an integral role in office operations? As an Administrative Assistant, you will be the cornerstone of our team, managing data entry, addressing employee inquiries and coordinating office activities. Your efforts will directly... 

    FD Corp

    Renton, WA
    1 day ago
  • $30.59 - $38.24 per hour

     ...Executive Development Assistant The Executive Development Assistant supports Neighborcare Health's Foundation and overall development...  ...processing of charitable gifts and providing essential administrative and coordination support to the Chief of Community Engagement... 
    Hourly pay

    Neighborcare Health

    Seattle, WA
    3 days ago
  • $130k - $170k

     ...impacts on the critical path and near‑critical activities and report to the project team. Monitor schedule deviations and variances and assist in the development of alternative methods for corrective action. Apply Earned Value Management (EVM) methodology to measure... 
    Senior
    Full time

    Turner-

    Seattle, WA
    15 hours ago
  • $171.6k - $302.2k

    Apple Inc. in Seattle seeks a Senior/Staff Engineer for its Foundation Model Compute Infrastructure team. The role involves leading the design and development of large-scale scheduling and orchestration systems for TPU workloads. Candidates should have over 7 years of experience...
    Senior

    Apple Inc.

    Seattle, WA
    1 day ago
  • $82k

     ..., then look no further! Stellar Senior Living is a premier assisted living and memory care provider in the Western United States....  ...billing, accounts receivable, accounts payable, and benefits administration. Knowledge in these areas coupled with first class customer service... 
    Work at office
    Local area
    Home office

    Overlake Terrace Retirement Community

    Renton, WA
    1 hour ago
  • $120k - $170k

     ...on the critical path and near-critical activities and report to the project team. Monitor schedule deviations and variances and assist in the development of alternative methods for corrective action. Apply EVM methodology to measure project progress. Review schedules... 
    Senior
    Full time
    For contractors

    Turner & Townsend

    Seattle, WA
    4 days ago
  • $102k - $137.7k

     ...activities comply Provide oversight and supervision of scheduling team Coach, mentor, and train field personnel, forepersons, and assistant superintendents Establish and nurture teamwork environment Ensure crews have resources and support Provide work direction and... 
    Senior
    For subcontractor
    H1b
    Work at office
    Flexible hours

    M. A. Mortenson Company

    Seattle, WA
    15 hours ago
  • $24.4 - $32.4 per hour

     ...divh2Underwriting Administrative Assistant IV/h2pHybrid (Office 3 days/wk Onsite-Flex) from Renton, WA, Portland, OR, Salt Lake City, UT, or Lewiston, ID/ppBuild a career with purpose. Join our Cause to create a person-focused and economically sustainable health care... 
    Work at office
    Immediate start
    Work from home
    Flexible hours

    Cambia Health Solutions

    Renton, WA
    3 days ago
  • A flexible remote service provider is looking for an Administrative Assistant who can perform various administrative tasks effectively from home. This position allows for full-time or part-time work and offers comprehensive training. Candidates should possess strong reading... 
    Full time
    Part time
    Remote work
    Flexible hours

    United Window & Door

    Seattle, WA
    15 hours ago
  •  ...digital design for fixed prosthodontics Responsibilities: Under direction, provides clerical and administrative support to management. Answer phones and assist customers with any questions or concerns Prepare communications, such as memos, emails, reports and... 
    Full time
    Temporary work
    Work at office
    Flexible hours

    MicroDental and Modern Dental Laboratories

    Renton, WA
    3 days ago
  •  ...Job Description Job Description The Administrative Assistant Coordinator plays a pivotal role in ensuring the smooth operation of administrative functions within an organization. This position involves coordinating office activities, supporting staff and management... 
    Full time
    Work at office

    NWS

    Seattle, WA
    40 minutes ago
  • $25 per hour

     ...Executive Assistant Intern - Summer 2026 Date: May 5, 2026 Location: Renton, WA, US, 98057 Company: PACCAR About PACCAR...  ...searching for talented individuals to join our team and provide administrative and project support to the Vice President & CIO, as well as... 
    Work experience placement
    Summer work
    Internship
    H1b
    Work at office
    Flexible hours

    PACCAR

    Renton, WA
    4 days ago
  • $15 per hour

     ...Seattle Restaurant Administrative Assistant An Owner/Executive of a busy Seattle restaurant is in need of an Administrative Assistant to assist in the Executive's daily tasks and long-term projects. This position will entail a wide variety of tasks, including, but... 
    Hourly pay
    For contractors
    Work at office
    Immediate start
    Afternoon shift
    Weekday work

    MSC

    Seattle, WA
    5 days ago
  • $6,097 - $7,431 per month

     ...Administrative Assistant II Come work at a place where you have a direct impact on the quality of life for Kent residents, business owners and visitors alike! The City of Kent is seeking an experienced administrative professional to provide critical support to our... 
    Contract work
    Work at office
    Local area

    City of Kent, WA

    Kent, WA
    2 days ago
  • $20 - $25 per hour

     ...Job Description Job Description Johnson Service Group (JSG) is seeking an Administrative Assistant in Seattle, WA. 100% On-site This is a part-time position - 20 hours per week. Temporary position 3 months. Working hours: Monday- Friday, 9 am-1 pm. Hourly pay: $20-$25... 
    Hourly pay
    Weekly pay
    Temporary work
    Part time
    Work at office
    Monday to Friday

    Johnson Service Group (IL)

    Seattle, WA
    3 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Sr. Administrative Assistant. Be the first to apply!