Senior Project Engineer Jobs in Maple Valley, WA

Otak is seeking a Senior Transportation Project Engineer to apply their design expertise across a wide range of projects, including municipal roadways, soft- and hard-surface trails, underpasses and bridges, site/civil projects in national parks and on university campuses, and utility improvements for municipal, state, federal, and private clients. Youll have the opportunity to take projects from concept through construction.

This position is ideal for an experienced civil engineer ready to advance toward project management. Youll lead complex design efforts, coordinate multidisciplinary teams, engage directly with clients and agencies, and help deliver safe, sustainable, and community-focused transportation solutions.

Youll also support business development efforts, mentor junior staff, and play a key role in strengthening Otaks reputation as a trusted partner in transportation and transit design.

How You'll Contribute:

• Lead and coordinate the technical design and delivery of transportation and transit projects, build and maintain relationships with public agencies, including local cities, counties, and transit agencies.
• Collaborate with project managers on scopes, schedules, and budgets to ensure projects meet client goals and contract requirements.
• Apply a strong understanding of AASHTO, ADA, MUTCD, and WSDOT standards to ensure regulatory compliance and design quality.
• Mentor junior staff and promote collaboration, technical growth, and knowledge sharing.
• Support project management activities, including progress tracking, task leadership, and client coordination, with a clear path toward a Project Manager role.
• Assist in preparing proposals and developing project scopes, schedules, and budgets.
• Contribute to business development efforts through strong client relationships.
• Provide construction-phase support, including submittal reviews, RFIs, and site visits to verify design intent and technical accuracy.

The Strengths You Bring:

• Bachelors degree in Civil Engineering from an accredited institution or equivalent education.
• Professional Engineer (PE) license.
• Minimum of 10 years of progressive experience in civil engineering, with emphasis on transportation, public infrastructure, drainage, utilities, site development, or civic projects for municipal and private clients.
• Proven experience coordinating with public agencies, including local cities, counties, and transit agencies.
• Demonstrated proficiency with AutoCAD Civil 3D, MicroStation/OpenRoads, or similar design software.
• Strong technical background in roadway, multimodal, and transit infrastructure design.
• Excellent communication and organizational skills, with the ability to manage multiple priorities and collaborate effectively with clients.

Please note that the salary information shown below is a general guideline only. Salaries are based upon candidate experience, qualifications, and work location as well as market and business considerations.

Salary Range: $120,000-150,000 per year

Benefits

At our core, we believe that supporting our communities begins with supporting our employees. No matter what stage youre at in your career, we have a comprehensive total rewards program to enhance your quality of life, help support your family, and assist you in achieving your personal and professional goals. Otak employees enjoy competitive salaries; discretionary performance bonuses; no-cost medical, dental, vision, life and disability insurance, HRA/HSA; a 401(k)-retirement match that is 100% vested immediately; a hybrid work schedule; Paid Time Off (PTO) accrual based on your industry experience rather than your seniority plus 9 paid holidays per year; a commuter allowance (based on your office location); support for your professional registration and/or certification fees; and much more! If you are out of the area and interested in relocating for this opportunity, relocation assistance may be provided.

Why work at Otak?

Were not just looking for skills and experience, having shared values is just as important! When you work at Otak, you arent just joining a firm youre joining a community. We believe our best work happens in a culture of collaboration and inclusion, where the expertise of diverse individuals can thrive in a foundation of teamwork. The work environment we create is built on a simple concept: working on interesting projects with interesting people. However, we dont just believe in cultivating our own community; were also committed to enriching the communities around us with smart, creative solutions. We know our employees make an investment in us, so were committed to making an investment in them. Seasoned experts and young professionals work together to encourage personal growth and skill development at all experience levels. Plus, were expanding and were dedicated to developing an internal infrastructure with the strength and talent to support that growth.

Equal Opportunity

At Otak, we are proud to be an equal opportunity employer committed to cultivating a workplace that is inclusive, equitable, and respectful for all. We believe that diverse perspectives enrich our work environment, fuel innovation, and are essential to our collective success.

We are dedicated to maintaining a workplace that is free from discrimination, harassment, and bias. Every individual at Otak is valued, included, and treated with dignity and respect. We do not tolerate discrimination based on race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity or expression, national origin, age, disability, veteran status, or any other characteristic protected under applicable federal, state, or local laws.

All employment decisions, including those related to recruitment, hiring, training, promotion, compensation, benefits, and termination are based on business needs, job requirements, and individual qualifications. We strive to ensure that our practices uphold fairness and equity at every stage of the employment lifecycle.

Our Vision for an Inclusive Workplace

We are committed to creating an environment where:

• Diverse identities are embraced, and differences are valued as a source of strength.
• Every employee feels safe to be their authentic self and contributes meaningfully.
• Unique perspectives are encouraged, and open dialogue is welcomed to foster innovation.
• Curiosity replaces judgment, and respectful engagement is prioritized in all interactions.
• Relationships are built on mutual trust, dignity, and respect, forming the foundation of our workplace culture.

We provide reasonable accommodation for individuals with disabilities, including pregnant employees, to ensure an accessible and supportive work environment. If you require assistance or accommodations during the application process or in the workplace, please contact Otaks People Services Department at GRPHumanResources@Otak.com.

Join us in shaping a more inclusive future!