Senior Drainage Engineer

Senior Drainage Engineer

STV is seeking a Senior Drainage Engineer to support transportation infrastructure projects across The West mainly California. This role is ideal for an experienced drainage engineer who is ready to take on greater technical leadership guide complex design efforts support public-sector clients and mentor early-career staff while contributing to high-visibility transportation programs. This position offers flexibility to be based in one of our California offices including Los Angeles Irvine San Francisco or Rancho Cucamonga or Portland OR or Bellevue WA.

This position offers the opportunity to work on impactful infrastructure projects supporting Caltrans LA Metro Metrolink local counties and municipal agencies while advancing technical leadership project delivery and client engagement responsibilities.

Why STV
At STV you will join a nationally recognized engineering and infrastructure firm known for technical excellence and collaboration. We invest in professional development leadership growth and meaningful project work that strengthens communities.

You will have the opportunity to:

• Lead high-impact transportation infrastructure projects
• Expand your technical and project leadership skills
• Mentor and develop engineering staff
• Work in a collaborative multidisciplinary environment
• Build long-term client relationships and career growth opportunities

What Youll Do

• Lead drainage engineering design for transportation infrastructure projects including roadway rail bridge and highway improvements.
• Oversee the design of stormwater management systems drainage systems culverts hydraulic structures Best Management Practices (BMPs) Low Impact Development (LID) features and erosion and sediment control plans.
• Perform and review hydrology and hydraulic analyses to support design decisions regulatory compliance and resilient project delivery.
• Support and manage stormwater permitting erosion and sediment control approvals and environmental regulatory coordination.
• Prepare and review technical reports drainage reports stormwater documentation design documentation specifications and engineers cost estimates with a strong focus on clarity accuracy and quality.
• Coordinate multidisciplinary design efforts with roadway structural rail and environmental teams to ensure integrated project delivery.
• Provide technical leadership quality reviews and QA/QC support for drainage deliverables including report writing calculations plans and permit documentation.
• Support client interactions and help strengthen relationships with public-sector agencies stakeholders and teaming partners.
• Mentor and develop early-career drainage engineers and technical staff supporting team growth and capability development.

• Participate in project meetings with clients subconsultants and regulatory agencies bringing confidence and technical expertise to every interaction.

Required Qualifications

• Bachelors degree in Civil Engineering Environmental Engineering or a related field.
• 13-18 years of progressive experience in drainage design preferably supporting transportation infrastructure projects.
• Professional Engineer (PE) license in Washington Oregon or California (preferred) or ability to obtain within 6 months of hire.
• Demonstrated expertise in hydrology and hydraulic analysis using some of the following software packages: HEC-RAS Hydrocalc XPSWMM StormCAD WSPG WNT-55 LAR04 and ORD Storm Module.
• Experience with stormwater management design drainage systems and culvert design.
• Experience with erosion and sediment control design permitting and regulatory coordination.
• Knowledge of Best Management Practices (BMPs) Low Impact Development (LID) strategies and stormwater quality design.
• Experience supporting transportation infrastructure projects.
• Strong technical report writing skills including drainage documentation and QA/QC review of engineering deliverables.
• Experience with MicroStation and/or AutoCAD Civil 3D; OpenRoads Designer and ArcGIS.
• Strong written and verbal communication skills with ability to work in multidisciplinary teams and client-facing environments.

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Compensation Range:

STV offers the following benefits Health insurance including an option with a Health Savings Account Dental insurance Vision insurance Flexible Spending Accounts (Healthcare Dependent Care and Transit and Parking where applicable) Disability insurance Life Insurance and Accidental Death & Dismemberment 401(k) Plan Retirement Counseling Employee Assistance Program Paid Time Off (starting at 16 days) Paid Holidays (9 days) Back-Up Dependent Care (up to 10 days per year) Parental Leave (up to 80 hours) Continuing Education Program Professional Licensure and Society Memberships

STV is committed to paying all of its employees in a fair equitable and transparent manner. The listed pay range is STVs good-faith salary estimate for this position. Please note that the final salary offered for this position may be outside of this published range based on many factors including but not limited to geography education experience and/or certifications.

Not sure this role is the perfect match We encourage you to apply if STVs work and values resonate with you. We know great candidates dont always meet every qualification and research shows women and people of color are less likely to apply unless they do. At STV we believe strong talent comes from a wide range of backgrounds and your skills and experience may align with this or another opportunity as we continue to grow.