Transit Facilities Constructor I (Millwright)
King County
Posted: January 26, 2026 (1 day ago)
This job was posted recently. Fresh listings typically have less competition.
King County
MTD - Metro Transit
Location
Seattle, Washington, 98104
Salary
$35.76 - $43.23
per hour
Type
Full Time
More Other jobs →Closes
Base salary range: $147,649 - $221,900
Typical requirements: Executive-level leadership experience. Senior executive qualifications required.
Note: Actual salary includes locality pay (15-40%+ depending on location).
This job involves providing administrative support and high-quality customer service to bus operations teams at Metro Transit, handling tasks like payroll processing, tracking employee attendance, and managing confidential records.
It's a temporary assignment lasting up to six months, open only to current King County employees who have passed their probation period.
A good fit would be someone who is detail-oriented, well-organized, and enjoys helping frontline workers through reliable behind-the-scenes work.
Learn how Metro connects you with what matters.

Open to current King County employees who have completed the probationary period in their current Career Services position.
Metro Transit’s Bus Operations division has an exciting opportunity for 3 (three) administrative professionals to join the team as a Transit Administrative Support Specialist III (TASS III) in a Special Duty Assignment (SDA) position at North Base, Atlantic Base, and South Base, respectively.
Anticipated Special Duty Assignment (SDA) Duration
Up to 6 months, with the possibility of extension.
The TASS III position provides high-level customer service and administrative support to Metro employees, internal customers, and division leaders within Bus Operations.
They are responsible for a number of daily HR-related tasks such as: ensuring timely and accurate payroll processing, submitting updates to employee job information, tracking Transit Operator attendance, providing written correspondence to operators and union representatives, as well as maintaining spreadsheets, databases, and confidential information.
The TASS III’s positions also serve as a point of contact on policies, procedures, and processes, so candidates must be highly attentive to detail to be able to navigate complex policies and labor contracts.
The ideal candidate is highly organized and proactive, has outstanding customer service skills, and enjoys making a positive impact through administrative support.
In this position, you’ll be joining a motivated leadership team of highly successful professionals who are passionate about supporting our valued front-line employees.
This position will offer applicants the opportunity to learn more about Base Operations Management, Metro operating processes, Labor Relations, and Human Resource principles.
King County Metro Transit is committed to providing transportation services that connect all people and all communities of King County, focused on the equitable distribution of our service and the equitable application of our work (inside and outside the agency), and combating climate change by doing our work in a sustainable manner.
Metro Transit is King County’s largest Department, employing over 5,000 people who primarily work in the fields of Transit Operations, Vehicle Maintenance, Transit Facilities Operations, and Marine.
This is an exciting time to work at King County Metro Transit.
We serve the fastest-growing transit market in the nation, enjoy a 93% customer satisfaction rate, and are creating an array of innovative mobility services for our riders.
We are also building a zero-emission bus fleet and operating our region's light-rail system. Click here to see why it's worth working for King County Metro Transit.
Note: This recruitment will be used to fill three (3) Special Duty Assignment (SDA) Transit Administrative Support Specialist III positions with an anticipated duration of up to 6 months at Metro's North, Atlantic, and South Bases.
This recruitment will also be used to generate a 12-month eligibility list to fill future vacancies within Bus Operations as they occur.
Applying equity and social justice principles is a daily responsibility and a foundational expectation for all King County employees.
In this role, you will apply equity and social justice principles that exemplify shared values, behaviors, and practices to all aspects of the work. As a TASS III, you will:
We are looking for candidates who have the following minimum qualifications:
Highly competitive candidates will also have (desired, but not required):
Who may apply: All qualified candidates who are currently Career Service King County employees who have passed the probation period in their current Career Service position.
How to apply and Selection Process: If you are interested in pursuing this position, please follow the application instructions carefully.
If you need this announcement in an alternate language or format, would like to request accommodation or assistance in the application or assessment process, or if you have questions, please contact Talent Advisor, Cariña Booyens, cbooyens@kingcounty.gov.
Applications will be screened to determine whether eligible candidates meet the minimum qualifications, as well as for competitiveness, completeness, and responsiveness to the required application materials information below.
Formal offers will be finalized after candidates have successfully completed any necessary pre-employment processes.
Required Application Materials:
Applications submitted without the following required application materials will be deemed incomplete and will be removed from consideration:
Additional documents attached, such as resumes, will not be reviewed. Ensure all relevant information is included within the required King County application work experience section, supplemental question responses, and cover letter.
Position Details: This position is non-exempt from the provisions of the Fair Labor Standards Act and is eligible for overtime. Employees are paid on a bi-weekly schedule, every other Thursday.
Work Schedule Details: Typical work hours are comprised of a 40-hour workweek, Monday through Friday.
Work Location Details: The administrative support team works on-site at their assigned base. Work hours are typically 7:00 am – 3:30 pm with some flexibility based on operational needs, as approved by the Supervisor.
North Base: 2160 N 163rd St, Shoreline, WA 98133, USASouth Base: 12100 E Marginal Way S, Tukwila, WA 98168, USA
Classification / Job Code / Grade / Union: Transit Admin Support Specialist III / 421801 / 45 / C2 - PROTEC17-Transit Admin Support

Forbes named King County as one of Washington State's best employers.
Together, with leadership and our employees, we're changing the way government delivers service and winning national recognition as a model of excellence. Are you ready to make a difference? Come join the team dedicated to serving one of the nation's best places to live, work and play.
Guided by our "True North", we are making King County a welcoming community where every person can thrive. We value diversity, inclusion and belonging in our workplace and workforce.
To reach this goal we are committed to workforce equity.
Equitable recruiting, support, and retention is how we will obtain the highest quality workforce in our region; a workforce that shares and will help advance our guiding principles - we are one team; we solve problems; we focus on the customer; we drive for results; we are racially just; we respect all people; we lead the way; and we are responsible stewards.
We encourage people of all backgrounds and identities to apply, including Native Americans and people of color, immigrants, refugees, women, LGBTQ+, people living with disabilities, and veterans.
King County is an Equal Employment Opportunity (EEO) Employer.
No person is unlawfully excluded from employment opportunities based on race, color, religion, national origin, sex (including gender identity, sexual orientation and pregnancy), age, genetic information, disability, veteran status, or other protected class.
Our EEO policy applies to all employment actions, including but not limited to recruitment, hiring, selection for training, promotion, transfer, demotion, layoff, termination, rates of pay or other forms of compensation.
Check your resume before applying to catch common mistakes