Senior Environmental Engineer

KEY Environmental, Inc. is an established and innovative environmental consulting firm specializing in the investigation, remediation, and redevelopment of environmentally challenged properties across the United States. We offer a collaborative, team-oriented work culture where professionals solve technically complex challenges and share in collective success.

We have an immediate opportunity for a full-time Senior Environmental Engineer in our Pittsburgh (Carnegie), PA office . This position is well-suited for an experienced engineer who brings strong technical depth in remediation and water and wastewater treatment and is ready to play a meaningful role in project execution, client interaction, and technical leadership.

At KEY , our people are our most valuable resource. Engineers in this role work closely with multidisciplinary teams across our offices in Pennsylvania, New Jersey, and Maine, supporting clients nationwide.

Responsibilities:

• Lead and support the design of groundwater treatment and remediation systems , including process design, hydraulic analysis, and selection and layout of equipment, piping, and instrumentation;
• Provide technical expertise for the operation, optimization, and troubleshooting of existing groundwater treatment systems and remediation infrastructure;
• Support PFAS treatment projects , including sampling approaches, treatment evaluation, and regulatory considerations;
• Interface with state and federal regulatory agencies , including preparation and support of permit applications and compliance documentation;
• Prepare and review technical reports, engineering calculations, and design documents ;
• Support project planning, scheduling, and budget management , with increasing responsibility as appropriate;
• Serve as a technical resource and mentor to junior engineers and staff; and
• Participate in business development activities , including proposal preparation and client support

The ideal candidate will be able to demonstrate experience as an environmental engineer and a project manager, and will have the following minimum qualifications:

• Bachelor’s degree in Environmental Engineering (chemistry focus preferred) ;
• 7+ years of professional experience in Environmental Engineering with a strong emphasis on groundwater treatment, remediation, or process engineering;
• Demonstrated experience with

* Groundwater treatment processes and remediation systems
* Hydraulic analysis and treatment system design
* Piping and instrumentation diagrams (P&IDs) and equipment selection/layout
* Remediation of environmentally impacted Sites

• Experience working under state and federal environmental regulatory programs ;
• Superior written and verbal communication skills, with the ability to communicate technical concepts clearly to clients, regulators, and project teams;
• Proven problem-solving and troubleshooting abilities;
• OSHA 40-hour HAZWOPER training preferred;
• Valid driver’s license.

KEY offers an excellent compensation package, including matching 401(k), profit sharing, discretionary bonuses, tuition assistance, and medical, disability, life, vision, and dental insurance, as well as flexible work hours/location.

Key Environmental, Inc. was selected as one of the Pittsburgh Post-Gazette’s Top Work Places for 2025, as voted on by its employees. Join our team to find out why. Interested candidates should submit resumes via Indeed or via e-mail to [email protected].

Feel free to visit our website at to learn more about our growing company.

Job Type: Full-time

Pay: $90,000.00 - $125,000.00 per year

Benefits:

• 401(k)
• 401(k) matching
• Dental insurance
• Health insurance
• Life insurance
• Paid time off
• Tuition reimbursement
• Vision insurance

Education:

• Bachelor's (Required)

License/Certification:

• Professional Engineer (Required)
• Driver's License (Required)

Work Location: Hybrid remote in Carnegie, PA 15106