Geotechnical Staff Engineer III - Landfill

Welcome to Verdantas, where innovation meets sustainability, and your career finds purpose!

At Verdantas, we’re redefining environmental consulting and sustainable engineering through our use of cutting‑edge modeling and digital technology and our genuine commitment to people. Our work spans high‑growth sectors like water resources, resilient land use, energy transformation, and civil infrastructure.

Our commitment to excellence, across more than 90 offices, is championed by a team of over 2,000 experts, scientists, engineers, geologists, and technical specialists, embedded in a people‑focused culture, prioritizing the well‑being of our employees, clients, and the communities we serve. We partner with clients to deliver smart, data‑driven solutions to complex environmental and infrastructure challenges. We don’t just solve problems;

we help shape a more sustainable future.

Join a people‑first culture that values your well‑being, empowers your growth, and amplifies your impact. At Verdantas, your career goes beyond the expected, and your work helps build a better world.

Ready to shape the future of resilient communities?

We are seeking a highly motivated and technically proficient Staff III or higher to support and lead solid waste engineering projects across California and the western U.S. This is an excellent opportunity for a mid‑level professional with a strong background in civil or geotechnical engineering and a passion for delivering high‑quality solutions in the landfill and environmental infrastructure space.

In this role, you'll have the opportunity to work on impactful environmental projects that shape communities and promote sustainability. A collaborative team environment with mentorship from industry leaders. Career growth through exposure to diverse technical challenges and client engagements.

Join us to power the shift toward cleaner, smarter environmental solutions. Apply today and make a lasting impact.

• Support and lead engineering tasks related to landfill design, siting, expansions, closures, cover systems, and associated civil works
• Perform geotechnical analyses, including slope stability, settlement, groundwater flow, bearing capacity, and seismic hazard and response
• Assist in the development of landfill gas, leachate, stormwater control, and environmental monitoring system designs
• Prepare design drawings, technical specifications, engineering calculations, and construction bid documents for landfill composite liner systems and final covers
• Conduct field investigations, including subsurface explorations, soil sampling, geotechnical testing oversight, and geotechnical instrumentation
• Observe and document landfill construction activities and perform Construction Quality Assurance (CQA) services to ensure design and regulatory compliance
• Support site inspections, as‑built documentation, and contractor coordination
• Support preparation of permit applications, hydrologic/hydraulic modeling, stormwater management plans, and regulatory submittals
• Ensure compliance with state and federal regulations related to solid waste, groundwater, stormwater, and environmental protection
• Assist Project Managers in preparing scopes, budgets, schedules, and technical deliverables
• Collaborate with multidisciplinary teams across geotechnical, environmental, civil, and hydrogeologic disciplines
• Perform data analysis, prepare technical memoranda, and contribute to engineering reports
• Communicate proactively with clients, contractors, agency representatives, and internal stakeholders
• Ensure quality and accuracy of calculations, drawings, and work products
• Remain current with geotechnical and landfill engineering standards, materials, and best practices
• Mentor junior staff and contribute to a positive, team‑oriented culture

• Bachelor’s degree in Civil Engineering, Geotechnical Engineering, Geological Engineering, or a related field
• Master’s degree is preferred
• 5+ years of progressive geotechnical or solid waste engineering experience, ideally including landfill design or CQA
• Professional Engineer (PE) license in CA or ability to obtain within 1 year
• Experience with geotechnical design…