Senior Environmental Engineer - Field Investigation Lead

Langan Engineering & Environmental Services; Philadelphia (Philadelphia County); On-site; USD 110,000 - 160,000; Full time

Benefits offered by this job

Medical benefits

401(k) with company match

Paid time off

Educational reimbursement

Job summary

Langan is seeking a Senior Staff Environmental Engineer, Scientist or Geologist to join its collaborative Philadelphia team. This role leads field investigations, including soil borings and monitoring well installations, conducts field tests, collects data and samples, and supports remediation and due diligence on a range of projects.

You will work with a multidisciplinary group, apply knowledge of CERCLA and RCRA, prepare reports and logs, oversee or supervise junior staff, and help return

Qualifications

• Bachelor’s degree in Environmental Science, Environmental Engineering, Geology or Hydrogeology.
• 4+ years of contaminated sites investigation and remediation experience.
• Professional licensure for engineers or ability to obtain within one year.
• Experience with Phase I-III site assessments and groundwater treatment design.
• Strong knowledge of CERCLA and RCRA; state regulatory experience.
• Excellent written and verbal communication; ability to work independently and in a team.
• Willing to travel; overtime as needed.

Responsibilities

• Assist with planning and execution of field investigations, data collection, and routine calculations.
• Monitor complex construction projects and verify contractor compliance with specs.
• Collect soil, soil vapor, air, sediment, surface water, and groundwater samples.
• Operate and maintain groundwater and soil vapor treatment systems.
• Assist with regulatory permits to support site investigation and remediation.
• Review environmental records to support due diligence.
• Prepare logs and field forms (drilling logs, daily logs, chain of custody).
• Identify and solve field problems; keep project manager informed.
• Lead engineering document preparation (reports, specifications, plans, cost estimates).
• Manage tasks within budgets and schedules; coordinate with clients and subcontractors.
• Supervise staff engineers, interns, and others as needed.

Skills

Field investigations

Soil borings

Monitoring wells

Regulatory knowledge

Communication

Team supervision

Travel readiness

Education

Bachelors in Environmental Science/E Engineering/Geology

Job description

Langan is seeking a Senior Staff Environmental Engineer, Scientist or Geologist to join its collaborative Philadelphia team. This role leads field investigations, including soil borings and monitoring well installations, conducts field tests, collects data and samples, and supports remediation and due diligence on a range of projects.

You will work with a multidisciplinary group, apply knowledge of CERCLA and RCRA, prepare reports and logs, oversee or supervise junior staff, and help return