Environmental Project Manager Intern Jobs in Reston, VA

What You’ll Be Doing

As Environmental Project Manager, you will support Cadmus’ rapidly growing portfolio of task orders under federal and state contracts, including work with the EPA and other government clients in the areas of drinking water, water quality, and resilience. In this role, you will lead the planning, execution, and delivery of complex task orders, ensuring alignment with contract requirements, schedules, and budgets. A strong understanding of the Safe Drinking Water Act (SDWA) and associated regulatory frameworks of the National Primary Drinking Water Regulations (NPDWRs) is essential to effectively guide project activities.

You will be supporting clients during a pivotal time as the nation makes historic investments to strengthen water infrastructure and enhance the resilience of public funding programs. Working in a collaborative, team-oriented environment, you will coordinate multidisciplinary teams, manage client relationships, and provide oversight of technical, financial, and policy deliverables to ensure high-quality outcomes and adherence to Cadmus’ standards of excellence.

Who We Are

Cadmus provides government, commercial, and other private organizations worldwide with technology-empowered advisory and implementation services. We help our clients achieve their goals and drive lasting, impactful change by leveraging transformative digital solutions and unparalleled expertise across domains.
At Cadmus, we look for team players and problem solvers who are driven to use their unique perspectives and intellectual curiosity to help deliver breakthrough solutions that achieve transformative goals. As a member of our team, you'll collaborate with leading experts to support our clients across the globe. We offer competitive compensation, outstanding health care and retirement benefits, a vibrant and collaborative work environment, and ample opportunities for professional growth.
Join Cadmus. Together, we are strengthening society and the natural world. For more information, visit cadmusgroup.com.

• Manage and coordinate across multidisciplinary teams delivering technical, regulatory, and data-driven solutions in support of drinking water programs and contracts, including those governed by the SDWA, with a particular focus on regulatory implementation.
• Collaborate closely with internal teams and external partners, including EPA and state agencies, to support the interpretation, rollout, and execution of new and updated drinking water regulations.
• Oversee end-to-end task order activities to ensure effective coordination and timely implementation of SDWA/NPDWR guidance. Develop and maintain integrated project schedules that reflect team activities, dependencies, regulatory milestones, and implementation timelines. Proactively identify and mitigate risks, resolve issues, and remove blockers, particularly those related to regulatory interpretation and program rollout, while regularly reporting program status to stakeholders.
• Lead project management processes, facilitating team coordination, supporting task definition, prioritization, and dependency management across workstreams focused on rule implementation, compliance support, and technical assistance. Ensure project execution aligns with SDWA statutory requirements, EPA rulemaking intent, and state primacy agency needs.
• Support project teams in balancing scope, schedule, and quality to deliver effective, compliant implementation of drinking water regulations that protect public health. Advocate for clear priorities, technical rigor, regulatory consistency, process improvement, and client-focused outcomes that advance the successful adoption and execution of SDWA rules and drinking water programs.
• Mentor and supervise early-career professionals, providing guidance on technical work, project delivery, and professional development.
• Support business development efforts that expand Cadmus’ drinking water practice, including proposal development, client engagement, and identification of new opportunities.

• 8–10 years of experience supporting environmental or drinking water projects, including 3–5 years managing projects under federal or state contracts.
• Bachelor’s degree in Environmental Science, Environmental Engineering, Public Policy, Water Resources, or a related field.
• Demonstrated experience supporting drinking water programs, with familiarity with the Safe Drinking Water Act (SDWA), including regulatory compliance and rule implementation of the National Primary Drinking Water Regulations (NPDWRs).
• Experience managing complex, cross-functional projects in highly collaborative environments, preferably supporting EPA or state agency clients.
• Proven application of project management best practices, including schedule development and tracking, risk management, quality assurance, and status reporting.
• Experience developing and maintaining project schedules, budgets, and performance metrics across multiple task orders or workstreams.
• Knowledge of regulatory rollout and implementation processes, including supporting guidance development, stakeholder coordination, and compliance assistance.
• Excellent communication, stakeholder engagement, and problem-solving skills, with the ability to translate complex regulatory and technical information for diverse audiences.
• Experience leading multidisciplinary teams and foster collaboration across technical, policy, and client stakeholders.
• Strong organizational skills, attention to detail, and ability to manage competing priorities across multiple contracts or task orders.

Additional Information: 

Candidates must be eligible to work in the United States as a U.S Perm Resident or U.S. Citizen.

Based on eligibility and job status, Cadmus offers an excellent benefits package to include: medical, dental, vision, company paid disability and life insurance, 401(k) program, paid time off (PTO), paid holidays, voluntary time off (VTO), tuition reimbursement, adoption assistance program, other optional benefits and various bonus programs.

The salary range for this position is$85,000 - $110,000. The actual salary will be determined by several factors, including relevant work experience, education, skills, and market competitiveness.

We value the critical role safety and health protocols contribute to everyone’s success at Cadmus and work together to align and comply with all federal, state, and local safety and health mandates to ensure a safe and valuable work environment.  

Cadmus is an Equal Opportunity Employer and prohibits unlawful discrimination. Cadmus is committed to providing a respectful workplace where equal employment opportunities are available to all applicants and employees without regard to race, color, religion, sex (including pregnancy), sexual orientation (including gender identity and/or expression), national origin, military and veteran status, physical and mental disability, or any other characteristic protected by applicable law.

Learn more about Cadmus by visiting our website at:  cadmusgroup.com