Entry Level Civil Engineer Jobs in O Fallon, IL (NOW HIRING)

Engineering excellence, built on people-first values.

At LUZCO, we’re more than an engineering firm — we’re a familia. We pair technical excellence with a culture rooted in respect, flexibility, and genuine care for one another. Here, you're known by name, supported as a whole person, and encouraged to bring your authentic self to work with competitive benefits, and the flexibility to support life both inside and outside of work.

We’re proud to be a 2025 and 2026 Best Place to Work in St. Louis and a woman-owned, minority-owned boutique firm, delivering impactful engineering solutions in a workplace where people feel valued and empowered to grow.

Why You’ll Love LUZCO

• Benefits that take care of you: Top-notch medical, dental, and vision insurance; a competitive 401k match; generous PTO; student loan repayment assistance; and an employee recognition platform that celebrates your wins big and small.
• Flexibility that fits your life: We get that life doesn’t always stick to a schedule. You’ll work with your supervisor to create a schedule that’s flexible and works for both you and the team.
• Diversity that fuels innovation: Our team brings together a wide range of backgrounds, perspectives, and experiences. That diversity isn’t just something we talk about; it’s what drives our creativity and helps us find better ways to solve problems.
• Growth that feels personal: Whether you’re continuing your education, earning new certifications, or stepping into new challenges, we’re here to help you grow in the direction that’s right for you. You’ll collaborate with experienced mentors and leaders who want to see you succeed.
• A culture that gives back: We’re passionate about our communities. Every year, we dedicate paid time off for volunteering and encourage our team to use their talents to make a difference whether that’s mentoring students, serving local nonprofits, or getting hands-on in community projects.
• A workplace that feels like you: We keep things relaxed and welcoming. Expect weekly happy hours, team lunches, a stocked kitchen, dogs in the office, and a casual dress code. It’s a space where you can be yourself and do your best work.

The Role

We’re excited to welcome a new graduate Electrical Engineer to join our substation engineering team. This role is ideal for May 2026 Electrical Engineering graduates who are looking to launch their career in power and substation design with hands-on experience, mentorship, and real project exposure.

What Your Day Will Look Like

• Assist with developing and modifying physical substation designs, including equipment layouts, plan and section views, elevations, and electrical details for high-voltage substations (32.4–230kV).
• Support the layout of major substation equipment, including power transformers, circuit breakers, disconnect switches, instrument transformers, surge arresters, and bus systems.
• Assist with substation grounding designs, including ground grids, equipment grounding, and grounding connections.
• Assist with developing rigid and strain bus layouts, conductor arrangements, and associated clearances.
• Support the design and layout of substation structures, foundations, steel, and equipment supports.
• Assist with developing raceway layouts, including conduit, cable tray, and trench systems.
• Support the layout and design of auxiliary AC and DC power systems.
• Prepare and update bills of materials, equipment lists, and other engineering and construction documentation.
• Collaborate with engineers across disciplines to coordinate physical designs with protection, control, civil, structural, and electrical requirements.
• Participate in construction, testing, and commissioning activities to gain hands-on field experience.
• Apply field markups to drawings and assist with incorporating revisions into as-built documentation.
• Perform basic engineering calculations, such as equipment clearances, conductor sizing, voltage drop, grounding, and lighting calculations, with guidance from experienced engineers.
• Travel up to 25%, depending on project needs.
• Take on additional responsibilities as assigned, with opportunities to learn and contribute across different project phases.

What You'll Bring to the Familia

Essentials to Succeed:

• Bachelor’s degree in Civil Engineering
• FE (Fundamentals of Engineering) exam preferred but not required.
• Coursework or familiarity with power systems, substations, or electrical design is a plus.
• Exposure to relevant standards such as NEC, NESC, IEEE, NEMA, and ANSI is beneficial.
• Strong problem-solving skills with a desire to learn and grow.
• Clear verbal and written communication skills.
• Valid driver’s license with ability to travel to project sites.
• Experience with AutoCAD and Excel is a plus but not requ

Ready to Make an Impact? We know you might not check every single box on the job description—and that’s totally fine. At LUZCO, we care about potential, collaboration, and diverse perspectives. If you’re passionate about joining a supportive and innovative team, we encourage you to apply and show us what you can bring to the familia.