Olsson - United States, Denver

Gain hands-on civil engineering experience designing large-scale hyperscale data center campuses across the U.S. This 2026 internship involves creating construction plans in AutoCAD/Civil 3D for site layout, grading, and utilities. We seek a detail-oriented team player pursuing a civil engineerin...

Lead our water/wastewater engineering team in Denver. This senior role requires an 8+ year consulting veteran with strong supervisory experience. You'll drive project quality, team development, and strategic growth. We offer a competitive bonus, 401(k) match, and flexible work arrangements.

Seeking a Senior Water/Sewer Modeling Engineer with 10+ years of experience in tools like InfoWorks ICM and WaterGEMS. You will lead hydraulic modeling, master planning, and complex project design for water/wastewater systems. This role offers flexible work arrangements, a performance bonus, and ...

Join Olsson's Water Resources team in Denver as a Senior Geomorphologist. Apply your 8+ years of fluvial geomorphology expertise to river systems, restoration design, and fieldwork. This role offers a competitive benefits package, flexible arrangements, and focuses on collaborative, impactful env...

Join Olsson's innovative Facility Engineering team as a Senior Telecom Designer. You will lead the design of telecom, security, and AV systems for diverse projects like data centers and healthcare facilities. This role requires 8+ years of CAD/BIM experience, knowledge of BICSI/TIA standards, and...

Join Olsson as a Professional Land Surveyor (PLS) in Denver. Utilize cutting-edge drone and GPS technology while leading survey crews and managing projects. This role requires a PLS license, 5-10 years of experience, and proficiency in AutoCAD. Enjoy competitive benefits, flexible work options, a...

Lead complex energy projects modernizing the grid and integrating renewables. This senior role requires 12+ years' experience, including 10+ in project management, with expertise in budgeting and multi-disciplinary teams. Enjoy competitive benefits, flexible work, and locations across multiple ce...

Seeking a licensed Professional Engineer with 5+ years of water resources experience. You will conduct hydrologic/hydraulic analysis, manage projects, and secure permits for major railroad infrastructure. This role offers competitive benefits, flexible work arrangements, and requires travel to va...

Seeking a Senior Water Resources Engineer for Class I Railroad projects. This role requires a PE license, 8+ years' experience, and expertise in H&H analysis using tools like HEC-RAS. You'll manage projects, secure permits, and conduct field work. We offer competitive benefits, a performance bonu...

Lead traffic and preemption analysis for rail projects as a Senior Engineer. This role requires a PE license, 8+ years of transportation experience, and proficiency in AutoCAD/Synchro. Enjoy flexible work arrangements, a strong benefits package, and a bonus system. Positions are available in mult...

Join Olsson's Rail Traffic team as a Project Engineer. You will conduct traffic and preemption analysis, design, and studies for rail projects. This role requires a PE license, 6+ years of transportation experience, and proficiency in AutoCAD/Synchro. We offer flexible work, a strong bonus system...

Launch your civil engineering career with Olsson's Railroad Public Projects team. This entry-level role supports vital public works like roadway widenings and quiet zones for rail clients. You'll need a Civil Engineering degree, EI eligibility, and a willingness to travel to sites in Colorado, Te...