Design engineer Jobs in Spokane Valley, WA

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Site Civil Engineer - Grading Design

McMillen, Inc. is looking for a Site Civil Engineer - Grading Design with strong experience in grading design to join our growing team. This position involves designing and managing grading, drainage, and earthwork components for a wide range of site development projects. The ideal candidate will have a solid understanding of civil engineering principles, be capable of independent project work, and work collaboratively with senior engineers and other project stakeholders to deliver successful site design solutions.

Responsibilities :

• Lead the design and preparation of grading plans that address site grading, stormwater management, and erosion control for commercial, residential, and infrastructure projects. Includes generating contours, slopes, drainage patterns, and cut-and-fill calculations.
• Design and implement effective stormwater management strategies, ensuring compliance with local and state regulations, while maintaining sustainable design practices. Design detention basins, swales, inlets, and outfalls.
• Prepare earthwork estimates and perform cut-and-fill analysis to optimize site grading and minimize excavation and hauling costs. Ensure that grading plans align with the overall site layout and design.
• Conduct site assessments, review surveys, and analyze topographic maps to understand site conditions. Identify potential issues related to drainage, soil conditions, or topography that may affect design decisions.
• Work closely with project managers, senior engineers, CAD team, architects, and environmental consultants to ensure that grading and site design integrates with other project disciplines (e.g., utilities, roadways, and foundations).
• Ensure that all grading designs comply with local zoning codes, building codes, stormwater regulations, and environmental guidelines. Assist in obtaining necessary permits for site development and coordinate with local authorities as needed.
• Provide support during the construction phase by reviewing contractor submittals, attending site meetings, and ensuring grading work is performed according to design specifications. Help resolve any field issues related to grading and drainage.
• Provide technical guidance to junior engineers and assist with reviewing their work to ensure quality and compliance with project standards.

Qualifications :

3-5 years of experience in site civil engineering with a focus on grading design . Experience with both residential and commercial site development projects is preferred.

Strong proficiency in Civil 3D, AutoCAD, and Microsoft Office Suite. Experience with hydrology and drainage design software (e.g., HEC-HMS, HydroCAD, StormCAD) is a plus.

Compensation Package :

Who we are : McMillen, Inc. designs and builds solutions that shape the future of water resources. As an employee-owned firm, we take pride in every project because we know our work truly matters. Our people thrive on solving complex challenges, pushing boundaries, and refining their craft. We don't look for the complacent or the comfortable. We seek problem solvers, innovators, and experts who are always striving to be better. We support continuous learning, cutting-edge technology, and a balanced work-life environment so our employees can build careers they're proud of.

We are focused in the dams, energy, fisheries, natural resources, and infrastructure markets. With staff across the United States, Canada, Europe, and beyond, we bring global best practices to our clients. Our people integrate engineering, environmental, and construction expertise to deliver practical, results-driven outcomes. From concept to completion, projects are guided through feasibility studies, permitting, design, construction, and commissioning, ensuring technical precision and real-world functionality.

EEO : McMillen, Inc. is an EEO / Affirmative Action Employer and will make all employment related decisions without race, color, religion, sex, national origin, disability or protected veteran status.

Visa sponsorship, including renewal during employment, will not be provided for this position.

No recruiters, please.

Equal Opportunity Employer, including disabled and veterans.