Senior Civil Engineering Designer

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Full Time Professional Ontario, CA, Ontario, CA, US

8 days ago Requisition

Salary Range: $40.00 To $58.00 Hourly

At Core States Group, the work you do matters to the clients we serve, the communities we support, and the teams who rely on one another to deliver with excellence. Our Cause is powerful: to create a world where all environments improve everyday life.

This role is paid on an hourly basis with a range of $40-$58 and is eligible for overtime in accordance with applicable laws. The expected approximate annualized compensation range is $85,000–$120,000.

Why Professionals Choose Core States Group

Here’s what you can expect:

• VALUES-DRIVEN CULTURE – A workplace rooted in Integrity, Service, Inclusion, Excellence, and Innovation. Our Core Values guide how we work, how we treat each other, and how we show up for our clients every day.
• COMPENSATION – Competitive wages and bonus programs, including professional licensure bonuses.
• RETIREMENT – A strong 401(k) match, with immediate vesting, to help you invest in your future and build your retirement savings with confidence.
• HEALTHCARE – Competitive health benefits including HSA with employer contribution, life insurance options, and supplemental coverage options, giving you the flexibility to select the coverage that best fits your needs and lifestyle.
• VACATION – Generous PTO to help you recharge, relax, and maintain a healthy work-life balance.
• PERKS – Team wellness challenges, free virtual gym app, wholesale club membership reimbursement, employee recognition programs, paid parental leave and much more!
• FLEXIBLE WORK ENVIRONMENT – A flexible work environment that empowers you to do your best work, whether you’re in the office, working remotely, or blending both to support your responsibilities.
• TUITION REIMBURSEMENT – support your growth with tuition reimbursement to help advance your education and professional development.

Summary of Position

As a Senior Civil Engineering Designer supporting our Energy / EPC business unit, you will lead civil design efforts for energy and ZEV infrastructure projects across North America. You will own the production of site layout, grading, utilities, erosion and sediment control, stormwater management, and permitting packages for energy and EV infrastructure projects in a design-build environment.

Responsibilities

Technical Design

• Develop and oversee full civil site design packages, including site layout, grading, drainage, utilities, access, and code-compliant details for energy and EV infrastructure projects
• Prepare grading plans, profiles, sections, and construction details using AutoCAD Civil 3D
• Perform or review civil and hydrologic calculations, including stormwater conveyance and detention, utility sizing, and road and parking design, using tools such as HydroCAD, Hydraflow, ICPR/Storm Wise, and similar software
• Prepare erosion and sediment control plans, SWPPPs, and stormwater management reports in accordance with local, state, and federal standards
• Coordinate civil interfaces with electrical equipment (transformers, switch gear, inverters, BESS pads, EV chargers, generators, hydrogen systems, etc.) to ensure safe, constructible layouts in tight sites

Leadership and Mentoring

• Lead day-to-day work planning for a small team of civil designers, assigning tasks, reviewing work, and providing technical coaching
• Perform QA/QC reviews of drawings and calculations prepared by junior staff to ensure consistency with company standards and project requirements
• Help develop and maintain civil design standards, templates, and best practices…