Stormwater Management Civil Engineer in Allentown, Pennsylvania at RETTEW

RETTEW is seeking a Stormwater Management Civil Engineer to join our Land Development team and support meaningful civil site design projects that improve infrastructure, support responsible development, and strengthen the communities we serve.

This role is a strong fit for an Engineer 3 level professional who enjoys stormwater management, drainage design, permitting coordination, and solving practical site challenges as part of a collaborative, multidisciplinary team.

About RETTEW

RETTEW is a 100% employee owned engineering consulting firm that has been helping clients solve complex challenges since 1969. Our teams collaborate across disciplines to deliver innovative, practical solutions that strengthen infrastructure and support the communities we serve.

Built on a culture of ownership, collaboration, and continuous improvement, we empower our employee owners to grow their careers while delivering meaningful results for our clients.

See Our Work

Want a better sense of the projects and clients you would support? Explore RETTEW’s Land Development experience and market capabilities here:

Development Market Qualifications

Work Environment

• Workplace Designation: Hybrid
• Location: Any RETTEW office location

This role includes a mix of office collaboration, focused design work, virtual coordination, and occasional field visits or client and municipal meetings. Project work may support commercial, industrial, residential, mixed use, municipal, institutional, and redevelopment projects across Pennsylvania and surrounding markets.

Position Summary / What You’ll Do

As a Stormwater Management Civil Engineer, you will apply civil engineering knowledge to help design, document, and permit stormwater management and site infrastructure solutions. You will work alongside engineers, project managers, surveyors, designers, and environmental professionals to develop practical solutions that balance technical performance, regulatory requirements, constructability, and client goals.

Projects may range from small redevelopment sites to large, multiphase developments exceeding 100 acres. Your work will support responsible growth through stormwater management design, hydrologic and hydraulic analysis, erosion and sediment control, site grading, utility coordination, and permitting support.

Responsibilities / Day-to-Day

• Prepare and support stormwater management, drainage, grading, utility, and erosion and sediment control designs for land development projects.
• Perform hydrologic and hydraulic calculations, stormwater modeling, drainage area mapping, and related technical analyses.
• Develop or assist with plans, specifications, reports, permit applications, construction documents, and supporting engineering deliverables.
• Coordinate with project managers, engineers, CAD designers, surveyors, environmental staff, clients, municipalities, and regulatory agencies.
• Research and interpret applicable stormwater, NPDES, erosion and sediment control, zoning, and land development regulations.
• Participate in project meetings and communicate technical information clearly to internal teams, clients, and reviewing agencies.
• Support quality control by reviewing calculations, drawings, reports, and project documentation for accuracy, completeness, and alignment with project requirements.

Qualifications

Required

• Bachelor’s degree in Civil Engineering or a related engineering discipline from an accredited program.
• Minimum of four years of relevant engineering experience, including internships or related project experience.
• Engineer in Training certification or progress toward Professional Engineer licensure.
• Experience with stormwater management design, drainage design, hydrologic and hydraulic calculations, or civil site design.
• Working knowledge of land development plans, grading, utilities, erosion and sediment control, and permitting processes.
• Proficiency with AutoCAD Civil 3D or related engineering design software.
• Strong written and verbal communication skills, with the ability to work effectively across project teams.
• Valid driver’s license with an acceptable driving record.

Preferred

• Professional Engineer license in Pennsylvania or the ability to obtain licensure in the future.
• Experience with Pennsylvania stormwater management, NPDES permitting, PCSM design, and erosion and sediment control requirements.
• Experience using stormwater or water resources software such as HydroCAD, StormCAD, Hydraflow, HEC-HMS, HEC-RAS, or similar tools.
• Experience supporting commercial, industrial, residential, mixed use, municipal, institutional, or redevelopment projects.
• Interest in mentoring junior team members and growing into broader technical or project leadership responsibilities.

What We Offer

• Employee Stock Ownership Plan (ESOP).
• Comprehensive benefits package, including medical, dental, vision, life insurance, disability coverage, paid time off, and 401(k).
• Hybrid work environment with collaboration across experienced land development and multidisciplinary teams.
• Professional development, licensure support, mentoring, and opportunities to grow technically and professionally.
• A people focused, employee owned culture built on ownership, relationships, and excellence.

RETTEW is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, age, disability, veteran status, genetic information, or any other characteristic protected by applicable law.

If you are an individual with a disability and require a reasonable accommodation to complete any part of the application process, please contact us at jperalta@rettew.com to request assistance.

#LI-Hybrid

Requirements listed above.