Geologist or Environmental Scientist

Oneida ESC Group; Walnut Creek (CA); Hybrid; USD 70,000 - 75,000; Full time

Benefits offered by this job

15 Days of Paid Time Off

8 Paid Holidays

1 Flex Holiday

401(k) Retirement Plan with Company}

Medical, Dental, and Eye Insurance

Employee Referral Program

Tuition Reimbursement

Employee Assistance Program (EAP)

Wellness Program

Multiple Voluntary Medical Benefits

Job summary

Oneida ESC Group's Sustainment & Restoration Services (SRS) seeks a Geologist, Engineer, or Environmental Scientist at junior to mid level for our Walnut Creek, CA office. You will work both in the field and in the office to support environmental remediation projects across California and beyond, with an in-person role and periodic remote work.

The role emphasizes planning, sampling, regulatory compliance, and data interpretation, with collaboration across teams.

Qualifications

• Bachelor’s degree in Geology, Engineering, or related Environmental Science with 3-5 years field sampling, or Master’s with 1-3 years field sampling.
• Ability to access DoD project sites (US citizen, pass federal background check).
• Valid driver’s license with good record and ability to travel regularly.
• Experience with Microsoft Word, Excel, Outlook, and PowerPoint.
• Experience with CWA, NPDES, MSGP, MS4 regulatory compliance.
• Strong attention to detail and ability to analyze and solve problems.
• Excellent verbal and written communication; able to interact with team, clients, and stakeholders.
• Ability to follow directions and work independently and in a team.
• High standard of quality; positive, flexible professional attitude.

Responsibilities

• Prepare project planning documents (work plans, QC plans, HSP, sampling and analysis plans).
• Understand permits and plans for task execution.
• Conduct fieldwork preparation (subcontracts, materials, equipment, scheduling).
• Support environmental compliance in wastewater, storm water, groundwater, and solid waste through documentation and analysis.
• Compile and interpret data; author technical memorandums and reports; respond to comments.
• Work in a team to ensure quality project execution.
• Assist the Technical Lead toward project goals and stakeholder collaboration.
• Comply with project planning documents in the field.
• Perform soil, groundwater, sediment, wastewater, and storm water sampling per permits.
• Conduct routine facility inspections and reporting.
• Complete required field documentation.
• Coordinate with analytical lab for bottles and sample delivery.
• Think critically and troubleshoot field issues.

Skills

Field sampling

Attention to detail

Analytical problem solving

Verbal communication

Written communication

Team collaboration

Independent work

Customer service

Education

Bachelor's degree in Geology, Engineering, or related Environmental Science

Master's degree in Geology, Engineering, or related Environmental Science

Tools

MS Word

MS Excel

MS Outlook

PowerPoint

Job description

Sustainment & Restoration Services (SRS) is a Native American, tribally-owned small business. We are a full-service, multi-discipline environmental, engineering, construction support, munitions response, and specialized professional services company wholly-owned by the Oneida Nation as a subsidiary under Oneida ESC Group.

Serving the federal market and civilian agencies, including US Army Corps of Engineers (USACE), US Department of Defense, US Air Force, US Navy and Marine Corps, US Environmental Protection Agency (EPA), US Department of Agriculture (USDA), Food and Drug Administration (FDA), US Fish and Wildlife Service, and state and local customers. We collaborate with our customers to achieve long-term environmental stewardship goals with reduced life-cycle program costs.

SRS has an immediate opening for a Geologist, Engineer, or Environmental Scientist - Junior to Mid Level based in our Walnut Creek office. The successful candidate will work both in the field and the office to support various environmental remediation projects at various locations in CA and beyond. This will be an in-person position with some flexibility to work from home periodically.

Key Responsibilities - Office:

• Prepare project planning documents (work plans, quality control plans, health and safety plans, sampling, and analysis plans).
• Understand applicable permits and plans that dictate how each task shall be performed.
• Conduct fieldwork preparation (procuring subcontracts, materials and equipment, and scheduling subcontractors/vendors).
• Support environmental compliance in Wastewater, Storm Water, Groundwater, and Solid Waste programs through documentation, sample preparation result analysis.
• Compile and interpret complex technical data and prepare technical memorandums and project reports as the principal author; respond to internal, client, and regulatory comments.
• Work and communicate in a team environment to ensure quality project execution.
• Assist the Technical Lead supporting project technical and financial goals and collaborating with stakeholders to successfully meet project objectives.

Key Responsibilities - Field:

• Comply with project planning documents (work plans, quality control plans, health and safety plans, sampling, and analysis plans).
• Perform soil, groundwater, sediment, wastewater, storm water sampling in accordance with applicable permits and plans.
• Perform routine facility inspections and reporting.
• Complete required field documentation.
• Coordinate with the analytical laboratory to have required bottles on-hand and to deliver collected samples to the laboratory.
• Critically think and make sound decisions to troubleshoot issues while working in the field.

Requirements

Minimum Qualifications:

• Bachelor’s degree in Geology, Engineering, or related Environmental Science field with 3-5 years of field environmental sampling experience, OR Master’s degree in Geology, Engineering, or related Environmental Science field and 1-3 years of field environmental sampling experience
• Ability to gain access to Department of Defense project sites (US citizen with the ability to pass a federal background check).
• Valid driver's license with a good driving record and the ability to travel and drive regularly.
• Experience working with Microsoft Word, Excel, Outlook, and PowerPoint.
• Experience with environmental compliance under Clean Water Act (CWA), National Pollutant Discharge Elimination System (NPDES), Industrial Stormwater Multi-Sector General Permit (MSGP), and Municipal Separate Storm Sewer System (MS4) regulations.
• Strong attention to detail, with excellent analytical and problem-solving capabilities to ensure compliance with project requirements.
• Ability to provide excellent customer service, build rapport with clients, and remain responsive to client needs and expectations.
• Possess excellent verbal and written communication skills and the ability to interact effectively with the project team, customers, and stakeholders.
• Demonstrated ability to follow directions and work independently, as well as in a team environment, and understand project roles and responsibilities.
• Demonstrates a high standard of quality for work products.
• Possess a positive professional attitude and be flexible when challenges arise.

Preferred Qualifications:

• Experience with local City of Fairfield, Solano and Yuba Counties, and CA state regulations and permit compliance, focusing on water quality.
• Knowledge of CWA, NPDES, MSGP, MS4, and other environmental regulations.
• Ability to become a registered professional (PG, PE, PMP).
• Possess 40-hour OSHA HAZWOPER certification with current 8-hour refresher training.
• Hands‑on field experience with soil, groundwater, sediment, wastewater, and storm water sampling.

Compensation Range: $70,304 - $75,000 Annually + Benefits (Based on Experience)

Benefits:

• 15 Days of Paid Time Off
• 8 Paid Holidays
• 1 Flex Holiday
• 401(k) Retirement Plan with Company Match
• Medical, Dental, and Eye Insurance
• Employee Referral Program
• Tuition Reimbursement
• Employee Assistance Program (EAP)
• Wellness Program
• Multiple Voluntary Medical Benefits

About Us:

The Oneida ESC Group is a family of companies owned by the Oneida Nation of Wisconsin that delivers customer-focused engineering, science, and construction services worldwide. Our family of companies includes:

• Oneida ESC Group (OESC)
• Oneida Total Integrated Enterprises (OTIE)
• Mission Support Services (MS2)
• Sustainment & Restoration Services (SRS)
• Oneida Engineering Solutions (OES)
• General Mechanical Corporation (GMC)
• Oneida Professional Services (OPS)
• LG2 Environmental Solutions (LG2)
• Oneida Environmental (OE)

We integrate our staff for dedicated, cooperative, and business‑like delivery of services to enhance our customers’ missions.

Equal Employment Opportunity:

Oneida ESC Group is an equal opportunity employer committed to inclusion and diversity in the workplace. We take affirmative action to ensure equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws, national origin, disability, veteran status, or other legally protected characteristics.

Oneida ESC Group participates in the E‑Verify program. Learn more about the E‑Verify program. https://www.e‑verify.gov/

Oneida ESC Group is committed to working with and providing reasonable accommodation to applicants with physical and mental disabilities.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. Oneida ESC Group makes hiring decisions based solely on qualifications, merit, and business needs at the time.