Senior Remediation Engineer

Ensafe•Long Beach, CA

19h•Onsite

About The Position

EnSafe is accepting applications for a Senior Groundwater Remediation Engineer to join our team in one of our Southern California locations, Long Beach or San Diego, CA. Candidates must be willing to work at an EnSafe Office location listed above. Relocation assistance is available to meet this expectation. What We Are Looking for : EnSafe is seeking a highly experienced Senior Groundwater Remediation Engineer to lead complex remediation projects, manage engineering teams, and support long-term strategic site closures. The ideal candidate will have extensive technical, regulatory, and client-facing experience in the design, installation, optimization, and operation of groundwater remediation systems. This individual will play a critical leadership role in delivering innovative remediation solutions, guiding regulatory negotiations, and supporting client decision-making, including coordination with attorneys and water districts. Experience in Southern California regulatory and water district environments is strongly preferred. What you will be doing: Lead the assessment, design, construction, optimization, and long-term performance evaluation of groundwater remediation systems. Provide technical direction for rehabilitation and optimization of existing GW treatment systems, including pump-and-treat and advanced treatment technologies. Oversee design/build remediation projects from conceptual design through system installation, commissioning, and long-term O&M. Serve as the primary liaison during regulatory agency negotiations, ensuring compliant, cost-effective, and defensible remediation strategies. Manage stakeholder engagement with Southern California water districts, regulatory bodies, and project attorneys. Lead and mentor a team of mid-level engineers, guiding technical work products, project execution, and professional development. Develop and implement long-term site-closure strategies that integrate regulatory, technical, and risk-based considerations. Support client and legal teams with technical documentation, expert input, and defensible engineering evaluations. Deliver high-quality technical reports, design packages, schedules, cost estimates, and system performance assessments.

Requirements

10–20 years of engineering experience in groundwater remediation, including system design, construction, and operations.
Demonstrated expertise in rehabilitating, optimizing, and troubleshooting groundwater remediation systems.
Strong experience with remediation design/build projects, including management of subcontractors and field teams.
Hands-on experience with system installation, construction oversight, and O&M activities.
Proven track record in regulatory agency negotiations at the state and/or regional level.
Prior experience working with Southern California water districts and familiarity with local regulatory frameworks.
Ion exchange treatment system experience, including multi-contaminant applications.
Subject-matter expertise in perchlorate remediation technologies and strategies.
Demonstrated ability to lead teams of mid-level engineers and manage multi-disciplinary project deliverables.
Experience collaborating with attorneys and legal teams on regulatory or litigation-support matters.
Ability to establish and execute long-term site closure and exit strategies.

Nice To Haves

PE license in CA.
Strong written and verbal communication skills.
Client management and business development experience.
Experience in preparing cost estimates, proposals, and remedial action plans.

Responsibilities

Lead the assessment, design, construction, optimization, and long-term performance evaluation of groundwater remediation systems.
Provide technical direction for rehabilitation and optimization of existing GW treatment systems, including pump-and-treat and advanced treatment technologies.
Oversee design/build remediation projects from conceptual design through system installation, commissioning, and long-term O&M.
Serve as the primary liaison during regulatory agency negotiations, ensuring compliant, cost-effective, and defensible remediation strategies.
Manage stakeholder engagement with Southern California water districts, regulatory bodies, and project attorneys.
Lead and mentor a team of mid-level engineers, guiding technical work products, project execution, and professional development.
Develop and implement long-term site-closure strategies that integrate regulatory, technical, and risk-based considerations.
Support client and legal teams with technical documentation, expert input, and defensible engineering evaluations.
Deliver high-quality technical reports, design packages, schedules, cost estimates, and system performance assessments.