Senior Drainage Engineer

Parametrix • Boise, ID

2d • $110,000 - $140,000 • Hybrid

About The Position

Parametrix is seeking an experienced Senior Drainage Engineer to join its growing Oregon/Idaho region. The role focuses primarily on drainage and stormwater design for transportation infrastructure, including highways, roadways, intersections, transit corridors, and active transportation projects. The engineer will serve as a regional technical resource and collaborate with transportation and water teams to deliver practical, innovative engineering solutions. The position may also provide drainage expertise for site civil and community development projects.

The Senior Drainage Engineer will lead technical work, support projects, mentor engineers, and help grow the drainage practice. The role may be based in Portland, Bend, Eugene, or Boise, with a hybrid schedule supporting collaboration with regional teams and clients.

Parametrix is a 100% employee-owned consulting firm that works on resilient infrastructure, livable communities, and environmentally sustainable solutions. The company describes its culture as emphasizing work-life balance, professional growth, and employee well-being.

Requirements

• Bachelor's degree in civil engineering or a related engineering discipline.
• 10+ years of progressive civil engineering experience, with significant experience in drainage design for roadway and transportation projects.
• Professional Engineer (PE) license, preferably in Oregon or Idaho, or the ability to obtain licensure through reciprocity.
• Strong technical background in hydrology, hydraulics, storm drain systems, culvert design, stormwater conveyance, and drainage infrastructure.
• Experience preparing drainage reports, calculations, engineering plans, and construction documents for transportation projects.
• Familiarity with ODOT, ITD, or comparable state and local transportation agency design standards.
• Proficiency with hydrologic and hydraulic modeling and drainage design tools such as HEC-RAS, HEC-HMS, HY-8, StormCAD, Civil 3D, or similar applications, as applicable to project experience.

Responsibilities

• Lead drainage and stormwater design for transportation projects, including highways, roadways, intersections, transit corridors, and multimodal improvements.
• Design storm drain systems, culverts, detention, conveyance systems, and other drainage infrastructure.
• Perform hydrologic and hydraulic analyses, including watershed assessments, runoff calculations, pipe sizing, and drainage system modeling.
• Prepare and oversee drainage reports, engineering calculations, plans, specifications, cost estimates, and construction documents.
• Collaborate with roadway, structural, environmental, and other engineering disciplines to integrate drainage solutions into transportation projects.
• Apply department of transportation and local agency drainage design standards and requirements.
• Provide technical guidance, design reviews, and quality assurance and quality control (QA/QC) for drainage-related deliverables.
• Build and maintain relationships with transportation clients and agency partners.
• Contribute to proposals, project pursuits, and new business opportunities.
• Mentor engineers and help grow the drainage practice.

Benefits

• Employee Stock Ownership Plan (ESOP), including stock in the employee's account and financial profit sharing.
• Comprehensive healthcare, including medical, dental, vision, and short- and long-term disability insurance.
• Performance-based bonuses.
• 401(k) plan.
• Paid time off, including vacation and sick/wellness time accruals.
• Paid holidays.
• Parental Bonding Leave.
• Flexible work arrangements, including hybrid, remote, or in-office options.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior