Job Title: Senior Environmental Engineer (Engineer IV)
Location: Conshohocken, PA
Description/Job SummaryPOSITION DESCRIPTION HGL (HydroGeoLogic, Inc.) currently has a position open for an experienced
Senior Environmental Engineer supporting our Philadelphia, PA office in Conshohocken. The Senior Environmental Engineer (Engineer IV) will provide environmental engineering, remediation, and construction services to the U.S. Environmental Protection Agency, U.S. Air Force, U.S. Army Corps of Engineers, U.S. Department of Defense, U.S. Department of Energy, and other federal and state government clients throughout the eastern United States.
As an Senior Environmental Engineer, you will work with our high performing HGL Team and be responsible for supporting HGL's portfolio of environmental remediation projects for various agencies across the United States and territories. Initial duties will include providing remedial investigation and design support as well as oversight of remedial action (RA) projects. You will also take increasing ownership of project scope, budgets, schedules, client coordination, and multidisciplinary teams, with opportunities to advance into project management. Projects may include in situ thermal treatment, remediation, demolition, mine-waste cleanup, landfill cap construction, contaminated sediment removals, and groundwater treatment (both in-situ and pump-and-treat) and stabilization projects.
Responsibilities/DutiesWHAT YOU'LL BE DOING The person hired for this role will be responsible for:
- Developing and providing technical review of engineering studies, plans, designs, and specifications for environmental investigation and remediation.
- Interfacing with program and project managers, senior technical staff, the government customer, and RA Contractors.
- Developing technical skills for long-term growth and development.
- Managing characterization and remediation projects for Federal clients. Manage project financials, scope, schedule, and deliverables in anticipated transition to the Project Manager role.
- Mentor junior and mid-level staff that include engineers, geologists and scientists.
- Direct, manage, and lead project teams to meet project objectives in-line with corporate and client expectations.
- Communicate effectively with clients, regulators, project team members, and leadership.
- Overseeing and assisting with preparation of project deliverables including remediation work plans UFP-QAPPs, FSPs, RI/FS Reports, SSHP/HASPs, technical memoranda and remedial design documents.
- Developing alternatives evaluation and design supporting environmental remediation activities, including soil excavation, in situ treatment, air sparging, and waste management.
- Preparing design calculations, data collection and analysis, conceptual site model development, specifications, and cost estimates.
- Utilizing approved digital and AI-assisted tools, where appropriate, to support technical documentation, data analysis, project communications, and workflow efficiency.
- Providing technical support during investigation, planning, design, implementation, and completion (as-built) project phases.
Minimum RequirementsWHAT YOU NEED TO BE SUCCESSFUL The ideal candidate will need the following as a foundation for success in this role:
- Minimum of 10 years' experience in the environmental engineering field, or an equivalent combination of relevant education and experience.
- Bachelor's degree in an engineering field related to Environmental Studies such as: Civil Engineering, Environmental Engineering, or Chemical Engineering fields.
- Direct experience with contaminated-site investigation, remedial design, and remedial-action oversight is required.
- Strong writing skills with prior experience contributing to the preparation of technical reports, memoranda, and work plans.
- Coordination of field subcontractors for environmental investigation and/or remediation activities. Knowledge and experience on a CERCLA, DoD, DOE, EPA, or RCRA project/site.
- Engineer-in-Training Certification required before start date.
- Possess OSHA HAZWOPER certification
- Demonstrated ability to learn and adopt new technologies and digital tools to improve project delivery and operational efficiency.
- Ability to execute multiple projects and tasks concurrently, while adhering to cost and schedule
Desired QualificationsWHAT YOU NEED TO STAND OUT - Preferred, not required- Experience working on state and U.S. federal contracts.
- Experience with remediation of various contaminants of concern including volatile and semi-volatile organic compounds, heavy metals, and PFAS investigation and remediation experience.
- Experience with multiple remedial technologies - evaluation and design.
- Preparation of engineering technical specifications.
- M.S. degree in engineering with a focus in Environmental Studies or related field is a plus.
- Professional License in field of study with an environmental focus or ability to obtain PE within 18-24 months of employment.
- Project Management Professional Certification (PMP)
- Experience using generative AI tools (e.g., Microsoft Copilot, ChatGPT, Claude, or similar) to improve technical writing, data analysis, research, visualization, or project delivery efficiency.
Physical & Environmental RequirementsPHYSICAL & COGNITIVE REQUIRMENTS- Prolonged sitting up to 70% of the time
- Repetitive hand motions (typing, tool use, etc.)
- Ability to see details at close range
- Ability to see details at a distance
- Viewing computer screen for extended periods
- Ability to interpret and analyze visual data (maps, graphs, warning indicators, etc.)
- Driving a company or personal vehicle
- Analyzing and synthesizing data
- Complex problem solving and decision making
- Reading and interpreting technical documents or regulations
- Writing reports, proposals, or technical documentation
- Leading a team or coordinating multiple priorities
- Communicating effectively with clients, team members, and stakeholders
- Managing competing deadlines and shifting priorities
WORK ENVIRONMENT REQUIREMENTS- Must be able to travel up to 25% per year
- Office work environment
This description is not a comprehensive listing of activities, duties or responsibilities that may be required of the employee. Other duties, responsibilities and activities may be assigned or may be changed at any time with or without notice.
DetailsWork Schedule: HGL office work is dictated by a 5-day work week; however, fieldwork schedules will deviate based on job requirements and may require longer hours and weekends.
Office Type: Hybrid working three days per week in-office in Philadelphia, PA and two days remote.
Travel: 25%
A favorable pre-hire drug test is required.
All positions are subject to a pre-hire education and driving record verification.
A full list of benefits is available at www.hgl.com/careers/.Digital & AI Proficiency: HGL encourages the responsible use of approved AI-enabled and digital technologies to improve productivity, technical quality, decision-making, and project delivery. Candidates who demonstrate curiosity, adaptability, and experience leveraging emerging technologies are highly valued.
The annual salary for this position ranges from $103,142 - $159,870 This position's final salary can be impacted by various factors including, but not limited to, contractual requirements, geographic location, job-related education, training, experience, and skills. If your desired salary falls outside of this range, we hope you'll still apply as there may be other positions that better align.
#LI-hybrid
