Senior Environmental Scientist

At APTIM, we come to work each day knowing that we are making an impact on the world. Our work spans from safeguarding and maintaining critical infrastructure to helping communities recover from natural disasters, from empowering our armed forces and first responders to reducing carbon and energy use, and from making cities more resilient against the threats of climate change to restoring contaminated ecological systems.

Job Overview:

APTIM is currently seeking a Senior Environmental Scientist in California for our Solid Waste Services Group in the Concord CA area to support our exciting portfolio of projects. We provide the following services to both the public and private sectors:

• Environmental compliance for solid waste sites,
• Landfill gas collection and control system (GCCS) design and operations and maintenance,
• Construction quality assurance,
• Solid Waste Reporting for site-specific and General Waste Discharge Requirements,
• Environmental site assessments and remediation.

Our philosophy centers on developing and maintaining a culture of mutual respect and honesty, where people listen generously and speak straight. At APTIM, you can expect countless opportunities to learn, develop business and leadership skills, and engage on a multitude of projects.

Key Responsibilities/Accountabilities:

• Leading teams or projects
• Preparing site and grading plans, GCCS design, pump and piping plans, and conceptual layouts for solid waste projects
• Conduct field inspections and construction quality assurance (CQA) oversight
• Leading and completing regulatory compliance reports, work plans, and special studies
• Anticipating client needs and identifying solutions
• Utilizing skills and knowledge to solve complex problems
• Preparing and managing, scopes, budgets and schedules
• Coordinating with contractors and clients
• Collaborating with other team members
• Attending client meetings
• Providing other duties as required.
• Work may periodically involve oversight during the installation of monitoring wells and supervising other field tasks
• Communication of technical concepts, evaluation results, plans, reports, etc. during work team meetings; ensures conformance to applicable technical standards as well as company policies and procedures

Basic Qualifications:

• BS/MS Geology, Engineering, or related field
• 10-15 years of Landfill / Solid Waste experience
• Experience with collecting environmental field data including groundwater, surface water, leachate, and landfill gas
• Ability to work on multidisciplinary projects
• Excellent oral & written communication skills
• Ability to work in a team environment
• Self-starter and problem solver
• Excellent organizational skills
• Knowledge of federal and state environmental regulations
• Ability to wear proper PPE for work on hazardous waste sites
• Possess a "Safety First" work ethic

Preferred Qualifications:

• Previous experience working with the California State Water Resources Control Board a plus.
• Possession of 40-hour OSHA HAZWOPER training with current 8-hour refresher certificate a plus.
• Knowledge of statistical evaluation methods (Sanitas software knowledge a plus)
• Qualified Industrial Stormwater Practitioner

Who we are and what we do:

APTIM is a global industry leader headquartered in Baton Rouge, Louisiana. With more than 4,000 employees worldwide, APTIM specializes in critical infrastructure, technical and data solutions, program management, environmental services, resilience, as well as sustainability and energy solutions. Our dedicated people have the proven experience and expertise to provide integrated services and solutions to government agencies, commercial, industrial, and energy customers. APTIM is committed to accelerating the transition toward a clean and efficient energy economy, building a sustainable future for our communities and the natural world, and creating an inclusive equitable environment that celebrates the diversity of our people.

What you can expect from APTIM:

• Work that is worthy of your time and talent
• Respect and flexibility to live a full life at work and at home
• Dogged determination to deliver for our clients and communities
• A voice in making our company better
• Investment into your personal and professional development

As of the date of this posting, a good faith estimate of the current pay range for this position is $110k to $150k. Compensation depends on several factors including: experience, education, key skills, geographic location of the position, client requirements, external market competitiveness, and internal equity among other employees within APTIM.

Employee Benefits

APTIM Environmental Services is committed to providing an extensive range of benefits that protect and promote the health and financial well-being of our employees and their families through the APTIM Benefits Marketplace .

• Medical, vision, and dental insurance: Through the marketplace, our employees can choose benefits from five metallic levels and 10+ carriers to find the right benefits that work for them in their location.
• Life insurance
• Short-term and long-term disability insurance
• Paid holidays, vacation, and sick leave (eligibility based on company policy and applicable law)
• 401(k) APTIM offers three 401k plans through the Aon Pooled Employer Plan (PEP). The specific plan you are eligible for depends on the business unit you are in. The details of the largest plan are found here:
• APTIM 2025 401(k) Plan Features (makeityoursource.com)
• APTIM - Helpful Documents

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About APTIM - In Pursuit of Better

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