Health and Environmental Investigator I/II
King County
Posted: April 2, 2026 (1 day ago)
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State of Washington
Dept. of Transportation
Location
Washington, 98504
Salary
$87,048 - $117,120
per year
Type
Closes
This job involves leading a team that manages hazardous materials, contamination, and waste issues for transportation projects across Washington State, ensuring everything complies with environmental laws and reduces risks during planning and construction.
A good fit would be someone with strong experience in environmental science or related fields, who enjoys supervising teams, building partnerships with agencies, and handling budgets to deliver safe and efficient project support.
It's ideal for a proactive leader who can foster collaboration and promote consistent environmental practices statewide.

About WSDOT
Washington State Department of Transportation (WSDOT) is a multimodal organization with a global reputation for excellence!
Our dedicated workforce is responsible to plan, design, build, and operate an integrated transportation system that safely and efficiently moves people and goods throughout the state.
In addition to maintaining over 18,000 lane miles of state highway and 4,100 bridges, WSDOT manages the world's longest floating bridge, executes an award-winning Active Transportation Plan, holds a record for the world's widest tunneling project, and operates the largest ferry system in the nation!
The Opportunity
WSDOT is seeking an experienced Transportation Planning Specialist 5 to lead the Hazardous Materials Management Program within the Environmental Services Office’s Compliance Solutions Branch.
This role plays a critical part in advancing WSDOT’s strategic priorities by ensuring environmental compliance, reducing long-term risk, and supporting safe, efficient project delivery across the agency.
In this position, you will lead and supervise a team that provides technical, regulatory, and coordination support for hazardous materials, contamination, and waste management throughout project design and construction.
You will guide program delivery, support environmental policy and workforce development, and help regions and modes consistently meet environmental commitments while minimizing legal risks and liabilities.
In this role, you will build and maintain strong, trust-based relationships with program staff, customers, delivery partners, and regulatory agencies, ensuring the program provides responsive, solutions-oriented service statewide.
You will also support regulatory coordination, policy development, and workforce training, promoting consistent practices that help project teams meet environmental commitments.
Through supervision, coaching, and workforce development, you will foster a collaborative, inclusive, service-oriented team culture that supports staff success and high-quality program delivery while advancing proactive risk management across the agency.
This position draws on a strong foundation in hazardous materials, environmental science, geology, or related discipline, applied in complex, real-world projects and program settings.
What to Expect
Among the varied range of responsibilities held within this role, the TPS 5 will:
Supervise, guide, coach, and support program staff and consultants by establishing expectations, assigning work, reviewing deliverables, providing feedback, and fostering a collaborative and high-performing work environment.
Work commonly performed by the program includes, but is not limited to, completing Hazardous Materials Discipline Reports that meet requirements of the National Environmental Policy Act (NEPA) and State Environmental Policy Act (SEPA), Phase I Environmental Site Assessments, Good Faith Inspections, responding to hazardous materials encountered during construction, and performing other site investigations and reports.
Qualifications
To be considered for this opportunity, the following are required:
Technical Leadership and Expertise in Hazardous Materials Management and Compliance: Demonstrated ability to provide technical leadership and expertise to ensure effective, consistent delivery of hazardous materials and compliance deliverables and services in transportation design, construction and operations or a closely related field.
Demonstrated knowledge of applicable laws, regulations, rules, policies, and procedures and applies this knowledge to guide staff, evaluate compliance, assess and mitigate risk, and support project delivery in applied settings while maintaining safe practices.
Team Leadership and Supervision: Demonstrated ability to lead, supervise, coach, or coordinate a team of staff and consultants performing hazardous materials and compliance work in transportation design, construction and operations or a closely related field, including providing direction or guidance with or without formal supervisory authority.
Skilled in setting clear expectations, providing feedback, fostering staff development through training, mentoring, performance oversight, and role clarity, promoting a safe, collaborative, and high-performing work environment, and ensuring consistent quality, compliance, and program outcomes.
Program Deliverables Oversight: Demonstrated ability to plan, organize, and lead or oversee program deliverables to ensure work is completed safely, efficiently, and in compliance with regulatory, organizational, and project standards.
Skilled in tracking progress and quality of deliverables, identifying and addressing delivery issues, and ensuring that projects and program outputs are completed on schedule, within scope, and meet expected outcomes.
Program Supervision: Demonstrated ability to plan, organize, coordinate, and administer program resources, including budgets, contracts, work plans, and staff assignments, to ensure consistent delivery of hazardous materials and compliance services and effective program outcomes.
Focuses on allocating resources, assigning staff and consultant responsibilities, coaching staff, and overseeing administrative program operations, ensuring efficiency, quality, and compliance while supporting teams in completing their work within program constraints and resources.
Regulatory and Policy Analysis: Demonstrated ability to analyze and interpret regulatory and policy changes related to hazardous materials, communicate clearly to staff, customers, and delivery partners, and ensure program-level guidance supports consistent compliance and operational effectiveness.
Evaluates applicability of laws and regulations to project or program operations, providing guidance to staff or teams, and supporting program decision-making to maintain compliance and effective outcomes.
Customer and Delivery Partner Relationships: Demonstrated ability to develop and maintain positive trust-based relationships with customers, colleagues, delivery partners, and regulatory agencies.
Guides, coaches, or influences staff and peers in effective communication, collaboration, and service delivery to achieve high-quality outcomes consistently.
Communication and Plain Language Writing: Demonstrated ability to communicate clearly, concisely, and effectively throughout the organization and to stakeholders outside the agency, ensuring staff understand program objectives and expectations.
Coaches or guides staff and peers in professional communication, plain language writing, and effective customer and delivery partner engagement to support program objectives.
Analytical and Critical Thinking: Demonstrated ability to apply critical thinking and program-level analysis to evaluate operations, identify risks and inefficiencies, recommend solutions, and support or guide staff and teams in problem-solving and decision-making.
Includes analyzing complex technical, regulatory, or operational information to inform program and project decisions and to ensure compliance and efficiency.
Technical and Digital Proficiency Effectively uses digital tools, computers, and office technology to track deliverables, monitor program performance, guide or support staff and teamwork.
Guides or supports others in using these tools to achieve program objectives and improve operational efficiency.
Emergency and Environmental Incident Support: Provides technical and regulatory expertise to support emergency and environmental incident activities.
Oversees or supports staff response to hazardous materials and contamination issues, ensuring safe and compliant resolution. This role does not serve as an on-scene first responder.
Continuous Improvement and Innovation: Demonstrated ability to drive continuous improvement of program operations, processes, and staff performance to achieve consistent, high-quality program outcomes.
Encourages innovative approaches, identifies process efficiencies, and supports staff in implementing improvements to meet program objectives.
The following are also required:
It is preferred that qualified candidates also demonstrate:
Team Leadership and Supervision: Advanced knowledge of leadership, staff development, and performance management.
Demonstrated experience leading and supervising teams performing hazardous materials management and compliance work in transportation design, construction, and operations or a related field.
Skilled in hiring, mentoring, and performance oversight to ensure safe, consistent delivery of high-quality work across multiple projects or program areas.
Program Management and Administration: Advanced knowledge of program management, resource allocation, and administrative processes.
Demonstrated experience managing hazardous materials compliance programs or major components within transportation design, construction, and operations or a related field.
Skilled in overseeing budgets, contracts, work plans, and agreements to ensure efficient operations and alignment with regulatory and organizational priorities.
Program Deliverables Leadership and Oversight: Advanced knowledge of project delivery, regulatory compliance, and quality assurance.
Demonstrated experience leading and overseeing hazardous materials deliverables in transportation design, construction, and operations or a related field.
Skilled in managing scope, schedule, and quality to ensure consistent, compliant outcomes across multiple projects or program areas.
Technical Leadership and Expertise in Practice: Advanced knowledge of hazardous materials management, regulations, and best practices.
Demonstrated experience providing technical leadership and subject-matter expertise in transportation design, construction, and operations or a related field.
Skilled in interpreting technical data, guiding staff and consultants, and resolving complex issues to ensure compliant, high-quality deliverables.
Important Notes
In addition to base salary, employees may be entitled to other forms of compensation depending on the type, duties, or location of the position.
For union-represented positions, more information on other forms of compensation can be found in the applicable Collective Bargaining Agreements.
Information on other compensation types for non-represented positions can be found in Chapter 357-28 of the Washington Administrative Code.
Why WSDOT
Check out this video to learn more: Why WSDOT?
How to Apply
Applications for this recruitment will be accepted electronically. Your relevant experience may be evaluated to determine salary. Therefore, it is very important that the “Work Experience” portion of the application be completed in as much detail as possible.
In order to be considered for this opportunity, please include the following with your online application:
Please click the "APPLY" button to proceed. Note that you will be prompted to either sign in or create an account. This step is required in order to submit an application to this opportunity.
WSDOT is an equal opportunity employer. We value the importance of creating an environment in which all employees can feel respected, included, and empowered to bring unique ideas to the agency.
Our diversity and inclusion efforts include embracing different cultures, backgrounds and viewpoints while fostering growth and advancement in the workplace.
All persons, regardless of race, ethnicity, age, veteran status, sexual orientation, and/ or gender identity, are encouraged to apply.
Persons with disabilities needing assistance in the application process, or those needing this job announcement in an alternative format may contact the recruiter listed.
Contact Us
For inquiries about this posting, you may contact the assigned Recruiter, Amanda Strebeck, at amanda.strebeck@wsdot.wa.gov. Please be sure to reference Transportation Planning Specialist 5 #00859-1 in the subject line.
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