Senior Designer Engineer

Join Inframark and Help Us Shape the Future!

Inframark's Civil and Environmental Engineering team is dedicated to creating sustainable solutions that protect and enhance our communities. Our engineers work on impactful projects that balance environmental stewardship with practical engineering. At Inframark, we foster a collaborative and supportive work environment, offering opportunities for professional growth and development. Join us to be part of a team that values excellence, innovation, and making a positive difference in the world.

Apply today!

Our dedication to sustainability and community impact drives us to ensure clean, safe water for future generations. Whether you're at the start of your career or looking for advancement, Inframark offers purpose-driven work and opportunities for growth. We offer an attractive salary package, including a generous benefits package with health, dental, and life insurance, 401(k) plan, paid time off, sick leave, holidays, and wellness plan.

Inframark, is seeking a Senior Civil, Environmental, or Agricultural Engineer to join our team. The ideal candidate brings 10 or more years of hands‑on experience in water, wastewater, and stormwater project design combined with environmental regulatory compliance. This is a client‑facing, field‑active role with responsibility across the full project lifecycle — from engineering design and permitting through construction support and client reporting.

• Develop engineering plans, specifications, and calculations for water, wastewater, and stormwater projects
• Design hydraulic systems and model wastewater, water, and stormwater treatment processes
• Produce AutoCAD and Revit construction drawings and coordinate design and project bid packages
• Prepare technical reports, engineering evaluations, and basis‑of‑design documents
• Develop engineering opinions of probable construction and operating costs and project schedules

• Develop environmental permitting and local building permitting documents for wastewater, drinking water, and stormwater treatment systems
• Manage regulatory compliance programs for water, wastewater, and stormwater
• Prepare and submit permit applications to EPA and state agencies
• Develop other environmental compliance plans (e.g., pollution control plans, operation and maintenance plans for pollution control systems, contingency plans for pollution control systems, corrective action plans)
• Review and interpret applicable environmental laws, regulations, and rules for pollution control projects.
• Develop correspondence and conduct meetings with environmental regulators and other government officials.

• Visit client sites for meetings, data collection, system observation and troubleshooting, development of corrective actions, and other related services
• Build and maintain client relationships; serve as a trusted technical advisor
• Deliver presentations to clients, regulators, and other stakeholders
• Support clients in industrial sectors including food, manufacturing, energy production, and agricultural products processing

• Manage project scope, budget, and schedule from start to completion
• Prepare proposals, develop project scopes, budgets, and schedules
• Coordinate with internal team members and contribute to a collaborative work environment
• Work with junior engineers to train them on project design work.

Required

• B.S. in Civil, Environmental, Agricultural, or related Engineering discipline
• 10+ years of experience in water/wastewater/stormwater design and environmental compliance
• EIT certification required; actively pursuing PE
• Proficiency with AutoCAD, Revit ArcGIS, Bio Win or other biological wastewater treatment system modeling tools, and Microsoft Office
• Strong technical writing, communication, and organizational skills
• Ability to perform field work and travel to client sites across the U.S.

Preferred

• Active PE license, with preference for Civil PE
• Strong knowledge of EPA and state environmental regulations
• Experience with food and agricultural…