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Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world's most complex challenges and build legacies for future generations.

There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

AECOM is seeking an experienced Senior Environmental Project Manager to support our Oil and Gas business line and can be based in any of our office locations of Long Beach, Los Angeles, Orange, Westlake Village, Oakland, San Luis Obispo (SLO), Richmond, or San Diego, California. This role will lead the successful delivery of complex environmental projects for clients in the refining, industrial, and related sectors. The selected candidate will oversee one or more projects from planning through execution, providing strategic project leadership, managing risk, ensuring financial performance, and fostering long-term client relationships through the consistent delivery of high-quality project outcomes.

Duties include but are not limited to:

• Responsible for delivering revenues assigned from specific clients as a result of repeat business caused by flawless execution of projects.
• Consistently delivers profit margins planned.
• Consistently completes project without write-downs or multiplier erosion.
• Typically manages projects involving RTF (Risk Triggering Factors).
• Manages more complex clients and projects.
• Has decision-making authority and directs other Project Managers in recognizing risk and uncertainty with plans to mitigate and eliminate such.
• Directs staff to operate and minimize exposure to claims.
• Supervises and directs Project Managers with multiple projects or program of projects.

Minimum Requirements

• BA/BS and 6 years of relevant experience or demonstrated equivalency of experience and/or education.
• Successful candidate will have to pass client required drug screening, background check, and motor vehicle records check

Preferred Qualifications

• 10+ years of environmental consulting experience supporting oil & gas, refining, industrial, or energy-sector clients.
• Proven track record managing complex, multi-disciplinary environmental projects with responsibility for scope, schedule, budget, and quality performance.
• Strong client relationship management skills with experience growing key accounts and securing repeat business.
• Experience leading project teams, mentoring project managers, and managing project risk, contracts, and financial performance.
• Professional certification or registration preferred, such as PG, PE, CHMM, PMP, or a related credential.

• Sponsorship is not available now or in the future.
• Relocation is not available for this role.

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

About AECOM 

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. 

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients' complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle - from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com. 

What makes AECOM a great place to work 

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you'll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you've always envisioned. Here, you'll find a welcoming workplace built on respect, collaboration and community-where you have the freedom to grow in a world of opportunity. 

As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.