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Senior Environmental Engineer or Scientist; Site Remediation

Job in Chantilly, Fairfax County, Virginia, 22021, USA
Listing for: ERG
Part Time position
Listed on 2026-05-16
Job specializations:
  • Engineering
    Environmental Engineer, Environmental Compliance, Geology / Geoscience
  • Science
    Environmental Compliance, Geology / Geoscience
Salary/Wage Range or Industry Benchmark: 125000 - 160000 USD Yearly USD 125000.00 160000.00 YEAR
Job Description & How to Apply Below
Position: Senior Environmental Engineer or Scientist (Site Remediation)

ERG is a research and consulting firm that provides a wide range of support to federal, state, and commercial clients. ERG offers multidisciplinary teams with nationally recognized skills in engineering, science, economics, public health, informational technology, and communications. We hire people with the best minds and then provide them with a vibrant and flexible environment in which to develop their careers.

The qualified individual must be highly motivated with the skills to prioritize, perform, and communicate effectively in a fast-paced environment.

ERG is seeking a Senior Environmental Engineer or Scientist to lead environmental site assessment and remediation projects for State and Federal clients across a range of regulatory programs, including Brownfields, CERCLA, RCRA, and state Voluntary Remediation Programs (VRPs). The successful candidate will provide senior-level management, technical guidance, and review of environmental assessments, investigations, permitting activities, and remediation evaluations. This role offers the opportunity to contribute to the growth and expansion of ERG’s site assessment and remediation portfolio.

Job Description:
  • Direct medium- to large-scale complex projects to ensure internal and external expectations are met for scope, budget, schedule, and quality
  • Write, review, and oversee technical documents, reports, and engineering designs, including Phase I and Phase II Environmental Site Assessments (ESAs), cleanup alternatives analyses, remediation plans, and work plans
  • Review Sampling and Analysis Plans (SAPs) and Quality Assurance Project Plans (QAPPs) to ensure logical, efficient, and defensible sampling for site characterization
  • Interpret engineering, geological, hydrogeological, and chemical data from contaminated sites to evaluate, design, and optimize multi-media remediation systems, including developing strategies, technical rationale, and cost estimates
  • Manage, mentor, and train junior and mid-level staff to support professional growth and project success
  • Assist with recruitment of environmental site assessment and remediation staff to expand project teams and capabilities
  • Collaborate and communicate effectively with multiple clients and internal stakeholders
Qualifications and Skills:
  • Minimum of 10 years of experience in environmental site assessment and remediation
  • Experience with Brownfields, CERCLA, RCRA Corrective Action, and/or state Voluntary Remediation Programs (VRPs)
  • Proven project manager with the ability to oversee multiple projects and subcontractors, ensuring completion on time and within budget
  • Strong knowledge of current and emerging remedial technologies, with preference for candidates experienced with per- and polyfluoroalkyl substances (PFAS)
  • Ability to prioritize tasks, perform effectively, and communicate clearly in a fast-paced environment
  • 40-hour HAZWOPER certification
  • Physical capability to carry up to 25 pounds, climb ladders, and work on elevated platforms

$125,000 - $160,000 a year

ERG offers competitive salaries and excellent benefits, including health and dental insurance, life insurance, long-term disability, educational benefits, FSAs, a generous 401k plan, profit sharing, an EAP, 11-20 paid vacation days per year, 10 paid holidays per year, 56 hours or more of sick leave (based on the state you work in) per year (pro-rated for part-time) and more. The salary range for all positions depends on the years and type of experience.

ERG is an equal opportunity employer and complies with all applicable EEOC regulations. All qualified applicants will receive consideration for employment without regard to age, race, color, religion, sex, sexual preference, national origin, disability, or status as a protected veteran.

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Position Requirements
10+ Years work experience
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