Senior Environmental Scientist, Engineer

Langan Engineering & Environmental Services

Senior Staff Environmental Engineer conducting site investigations and remediation while collaborating with diverse teams. Assisting clients in compliance with environmental regulations through on-site tests and data analysis.

Posted 6/24/2026full-timeWhite Plains • New York • 🇺🇸 United StatesSenior💰 $76,000 - $110,000 per yearWebsite

About the role

Key responsibilities & impact

Assist with the planning and execution of field investigations by performing field tests, collecting samples, collecting and recording data, and performing routine calculations
Monitor complex construction projects by taking various tests to evaluate whether contractor or subcontractor has complied with job specifications
Collect soil, soil vapor, indoor and ambient air, sediment, surface water, and groundwater samples
Assist with acquisition of and compliance with regulatory agency permits to support site investigation and remediation
Review and interpret environmental, geological, and historical records to support environmental due diligence
Prepare a variety of standard logs and field forms (such as drilling logs, field investigation dailies, and chain of custody logs)
Identify and implement solutions to both routine and more complex field problems and document them accurately, keeping project manager informed of problems encountered during work assignments
Lead tasks associated with the preparation and modification of various engineering documents including reports, specifications, plans, cost estimates and designs for projects
Perform and manage tasks within specific budgets and schedules. May track task and project budgets
Interact in a professional manner with client and subcontractor representatives in close collaboration with supervisor
Supervise or coordinate the work of staff engineers, interns and others who assist in specific assignments as needed
Perform other duties as requested.

Requirements

What you’ll need

Bachelor’s degree in Environmental Science or Environmental Engineering
4+ years of related experience in contaminated sites investigation, engineering feasibility studies, remedial and mitigation system design and construction oversight
for engineers, possession of a valid Professional licensure or ability to obtain within one year
experience conducting Phase I and II environmental site assessment including drilling observation, sampling, well installation, construction/remediation oversight
in-depth knowledge and understanding of state and federal environmental regulations (including CERCLA and RCRA)
experience working with state regulatory agencies
excellent written and verbal communication skills
strong attention to detail with excellent analytical, multitasking, and judgment capabilities
ability to effectively work independently and in a team environment
availability to work overtime as needed
possess reliable transportation for client meetings and job site visits and a valid driver’s license in good standing.

Benefits

Comp & perks

company paid medical, dental, and vision coverage
life insurance
short- and long-term disability insurance
paid pregnancy disability leave
401(k)/Roth with company match
paid time off including parental and military leave
employee referral and professional license bonuses
educational reimbursement
employee resource groups
flexible work schedules
extensive training
wellness programs
buddy and mentoring programs

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

field investigationsdata collectionroutine calculationssoil samplingenvironmental site assessmentdrilling observationremedial system designconstruction oversightengineering document preparationbudget management

Soft Skills

communication skillsattention to detailanalytical skillsmultitaskingjudgment capabilitiesindependent workteam collaborationproblem-solvingsupervisionprofessional interaction

Certifications

Bachelor’s degree in Environmental ScienceBachelor’s degree in Environmental EngineeringProfessional licensure (or ability to obtain)