Senior Project Manager

Amentum is a global leader in advanced engineering and innovative solutions, supporting critical missions across defense, intelligence, energy, and civilian sectors. Our people are our competitive advantage, driven by purpose, collaboration, and a commitment to delivering excellence for our customers and communities. We are currently seeking a Sr. Project Manager to support our team in Pittsburgh, PA.

Job Description (Duties & Responsibilities)

In this role, the successful candidate will assist in delivering environmental solutions for both private and government sector clients, particularly on hazardous waste sites. Amentum employs advanced engineering and technology solutions to the most significant challenges to make the world safer, more secure, and cleaner by eliminating environmental hazards to create a secure and vibrant future. The ideal candidate will lead complex projects and contribute to sustainable solutions.

Responsibilities include leading and managing remediation projects, developing and implementing remedial action plans, overseeing earthwork components, conducting site assessments and field activities, ensuring regulatory compliance, preparing technical reports, mentoring junior staff, interacting with clients and agencies, and staying updated on industry best practices.

• The experienced Remediation Project Manager will lead and manage environmental remediation projects, ensuring compliance with regulatory programs including Pennsylvania’s Land Recycling and Environmental Remediation Act (Act 2), Storage Tank Program, Hazardous Sites Cleanup Act, CERCLA, RCRA, and others
• Support proposal efforts across a wide-range of scopes and markets
• Experience in proposal development (scope, schedule, budget) and demonstrated ability to manage projects safely and efficiently
• Manage projects from inception to completion with regulatory compliance and ensuring timely, on-budget execution and maintaining project controls throughout
• Work with and lead a project team consisting of technicians, scientists, and engineers to meet project objectives and maintain client satisfaction
• Prepare remedial work plans and remedial investigation reports, cleanup plans, and final project reports
• Excel at communications, ensuring all stakeholders are consistently informed on project progress and execution
• Strong analytical and problem-solving abilities
• Excellent written and verbal communication skills
• Experience with earthwork projects a plus, including understanding of waste management, disposal, and fill requirements
• Manage a variety of subcontractors, ensuring quality and delivery
• Demonstrated business development and client management experience desired

Required Qualifications

Minimum required qualifications include a Bachelor’s degrees with 15 + yr experience in environmental remediation and a strong background in earthwork projects, Master’s degrees with 10 yr experience, or PhD degrees with 8-yr experience. Experience in environmental remediation projects, with a background in earthwork is preferred; Active PE or PG licensure in good standing is preferred but individuals with the ability to obtain professional licensure will also be considered. Experience managing complex projects and navigating regulations, proficiency with environmental software and tools, understanding of geotechnical principles and remediation techniques, , excellent communication, leadership, and problem-solving skills are also essential for the selected candidate. A 40-hour OSHA HAZWOPER certification is preferred. A valid driver's license is required as is a willingness to travel.

Salary Range: $150,050 - $190,019

Additional Note:

Work Environment:

The role combines office work with periodic field assignments that may require occasional travel with overnight stays. Strict safety protocols and procedures are in place to promote a safe and productive work environment for all employees. This professional position may afford the opportunity to implement a flexible schedule including remote work for office related duties, providing employees with ample work-life balance options.

About Amentum

The Pittsburgh ERS group, a strong and established team with a 30-year+ track record in remediation, is preparing for a new growth phase within our organization and we are seeking new team members interested in career progression within our company. Join the growing Amentum ERS Group to contribute expertise to environmental projects on an established team of professionals. The professional position represents both a challenging and rewarding environment for motivated professionals seeking to develop skills and advance their career.

Amentum is recognized as the second-largest government services contractor in the engineering sector of the U.S. government market. The organization provides technical expertise in various areas including engineering services, national security, defense, and healthcare. In 2023, Amentum received a five-star ranking and was recognized as one of “America’s Greatest Workplaces” by Newsweek. Amentum’s environmental consulting and engineering groups provide solutions for complex site investigations, remediation design, regulatory compliance, and environmental engineering. Learn more about our company by visiting www.amentum.com.

Benefits

The company offers a competitive salary and benefits package, including medical, dental, and vision insurance, 401(k) with company match, paid time off and holidays, and professional development opportunities. Other benefits may be available.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed,  marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.

       

Compensation Details:

$150,050 - $190,019

       

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

 

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

• Health, dental, and vision insurance

• Paid time off and holidays

• Retirement benefits (including 401(k) matching)

• Educational reimbursement

• Parental leave

• Employee stock purchase plan

• Tax-saving options

• Disability and life insurance

• Pet insurance

 

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

       

Original Posting:

06/04/2026 - Until Filled

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

       

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed,  marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.