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Salary
$95k – $110k per year
Location
In office (Costa Mesa)
Visa
H-1B filings in 12 months: 10 · green card filings: 5

Confirmed on the employer's own hiring board on Oct 19, 2026. First seen by Alion on Sep 3, 2026. Haley Aldrich scores A on the Alion truth index.

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Profile match
Haley & Aldrich is a US engineering and environmental consulting firm providing geotechnical, environmental and construction services.

We are looking to add new talent to our growing team! We are currently seeking an Assistant Project Manager, Environmental Geologist to work in a technical support role with highly skilled professionals on diverse project teams in a dynamic environment. This is an excellent opportunity to join a growing group and company and get involved in a variety of projects for a diverse range of clients.

This is a full-time position located in our Costa Mesa, CA office. DUTIES/RESPONSIBILITIES In this position, you will: Split time among completing technical tasks, such as field assignments, reporting, and analysis of task management and project management support activities. Leverage understanding of technical scopes of work for assigned work and their alignment with overall project objectives to deliver quality assignments.

Demonstrate and apply technical competence, knowledge of codes and regulations, and professional standards of practice to assigned tasks. Collaborate closely with project teams, field teams, and health and safety personnel to address client goals and objectives, ensuring technical accuracy, quality, budget, schedule, and safety requirements are met. Assist the project management team throughout the project lifecycle, including cost estimating, scheduling, subcontracting, resource allocation, project planning, task delegation, and financial management.

Prepare and/or review written communications and technical deliverables. Engage in internal and external communications with clients, subcontractors, and vendors. Coach, mentor, and direct junior staff to ensure high-quality execution of project tasks, including field activities and preparation of technical reports and deliverables, while facilitating knowledge transfer for team development.

Plan and manage field investigation programs, including pre-design laboratory and field data and/or pilot testing data collection programs associated with environmental projects. Lead and oversee project environmental data reduction, summarization, visualization tasks; feasibility studies, remedial design, cost estimating and permitting tasks, remedial construction, and remedial system O M tasks. Plan all work in accordance with company and client health and safety protocols.

Demonstrate the company’s foundational safety behaviors. SKILLS/EXPERIENCE Minimum Skills and Requirements: Bachelor’s degree in Geology or Hydrogeology. 6+ years of related environmental consulting experience. Professional CA registration or certification, as applicable.

Strong organizational skills and attention to detail. Proficient computer literacy skills, including the use of the Microsoft Office 365 Suite (Word, Excel, PowerPoint, Teams, and SharePoint) and the ability to learn various software needed to support financial management, diverse project needs, and client requirements. Excellent written and verbal communication skills.

Working knowledge of GIS, AutoCAD, Civil 3D, and groundwater modeling software. Working knowledge of regulatory frameworks pertinent to the work. Able to meet the physical requirements of the position: lift 50 lbs., traverse unstable/sloping sites and landscapes, work outside in a range of weather conditions, and have the stamina for moderate physical activity for the majority of field working hours.

Able to travel to work locations that may require overnight stays. Preferred Skills: Master’s degree in Geology or Hydrogeology. Some project management or task management experience is a plus.

Familiarity with soil, groundwater, and air treatment technologies. Familiarity with groundwater fate and transport modeling and conceptual site model development. Design and construction experience with environmental remediation projects.

OSHA 40-Hour HAZWOPER training and refresher updates. The salary range for this position in Costa Mesa, CA is $95,000 - $110,000 annually . Actual compensation will be based upon a variety of factors such as education, related work experience, certificates, skills, and current market conditions.

Haley Aldrich reviews salary ranges each quarter to assess competitiveness with the market.

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