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Job Description Are you driven to grow, lead, and make a meaningful impact? At Apex, we're building more than a consulting and engineering firm—we're creating a place where your career accelerates, your contributions matter, and your potential is fully realized. We believe your growth is our growth, which is why we invest in your development at every stage of your career. Here, you'll work on projects that shape communities, protect the environment, and create lasting impact, all while being empowered with the autonomy and flexibility to do your best work. Fueled by high quality delivery, exceptional client retention, and strategic acquisitions, Apex Companies continues to rank among the fastest-growing firms in the AEC industry, recently recognized by the Zweig Group for our industry-leading growth. Our success is grounded in strong leadership, a collaborative culture, and a shared commitment to delivering exceptional outcomes. As we continue to grow, we're focused on building a team of high-performing professionals who are ready to lead, collaborate, and push what's possible. At Apex, you don't just join a company, you help shape what comes next. Apex is seeking a Project Geologist to be remote in Northern California. Your Responsibilities as a Project Geologist: • Conduct and manage environmental investigations, soil and groundwater remediation, soil gas and indoor air evaluations, etc., for a variety of clients with complex technical and regulatory issues, • Meet with clients and regulatory agencies, including the US Environmental Protection Agency, the Department of Toxic and Substances Control, the Regional Water Quality Control Board and local Environmental Health agencies., • Write and review remedial documents and reports such as feasibility studies, remedial and/or corrective action plans, remedial design documents, remedial progress and completion reports, etc., • Design and negotiate remedial solutions for contaminated soil and ground water, • Direct the production of maps and plans in digital format using GIS., • Maintain chemical, stratigraphic, and other data and mine data to produce various representations, including time-series graphs., • Conduct statistical evaluations of groundwater data, including trend analyses, intra-well comparisons, and inter-well comparisons., • Coordinate the investigation of field work for client projects including scheduling and oversight of utility locating, excavation, and drilling firms, • Assist in mentorship and training of junior staff in field procedures, data management, and GIS production., • Meet or exceed client's scope, budget, and schedule expectations, • Evaluate sample results and develop tables and figures for technical reports, • Write and review proposals, • Mentor, train, and oversee scientific staff and ensure quality work product, • Ensure project work is completed safely while maintaining quality and integrity of work and data, • Actively develop your own career growth What we're looking for: • BS in Geology or closely aligned field including completion of a field course of study, • 10+ years of experience providing environmental consulting services including conducting subsurface investigations, writing technical reports, and using GIS for digital map representations., • Experience conducting groundwater sampling using various methods including low-flow sampling, • California PG required, • Experience conducting stratigraphic logging using various drilling methods potentially including hollow-stem auger, direct-push, air rotary, and rock coring., • 40-hour OSHA certification and current 8-Hour HAZWOPER refresher, • Ability to effectively interact with clients, regulatory agencies, field staff, technical staff, and subcontractors., • Ability to write project work plans, health and safety plans, traffic control plans, erosion control plans, etc., • Ability to mentor, train, and manage staff, • Strong technical writing and communication skills, • Strong safety awareness, good working safety record, and understanding of safe work practices, • Proficiency with Microsoft Office suite Why you'll love working for us: • Company-subsidized medical and dental., • Company-paid life, short, and long-term disability., • 401k match, tuition assistance, and more., • Cross-training and the ability to work on a variety of projects., • Performance-based bonuses or other incentives., • Working with the best and brightest in the industry., • 2,000+ employee national firm with 70+ locations across the US. Apex Job Title: Scientist 3 - Sr Project Scientist Req ID: 11660 Annual Expected Pay Range$100,000—$200,000 USD We believe in equality for all and celebrate the diversity and differences of our employees, customers, and communities. We do not discriminate based on gender, race or color, ethnicity or national origin, age, disability, religion, sexual orientation, gender identity or expression, veteran status, or any other applicable characteristics protected by law. Apex aims to make apexcos.com accessible to all users. If you have a disability or special need that requires accommodation to navigate our website or complete the application process, please contact Talent@apexcos.com or (301) 417-0200. Likewise, feel free to reach out to us if you would like to view or discuss Apex policy related to equal employment opportunity or have any related concerns. EO/AA/VEV/Disabled Employer TO ALL RECRUITMENT AGENCIES: Apex Companies does not accept unsolicited agency resumes. Please do not forward resumes for any of our job postings to our career's sites, or to any employees of Apex Companies or affiliates. Apex Companies is not responsible for any fees related to unsolicited resumes.

Job Description Primary Responsibilities: • Manage and oversee various environmental projects, including but not limited to remedial actions, field sampling, groundwater investigations, and munitions response projects., • Prepare comprehensive technical reports and project proposals, demonstrating proficiency in project management methodologies., • Develop and implement remedial and removal strategies, ensuring compliance with regulatory standards and client expectations., • Supervise personnel and provide mentorship to staff, fostering their professional development in technical areas., • Cultivate expertise in designated technical domains, establishing internal recognition as a valuable technical resource., • Demonstrate proficiency in project management fundamentals, including scheduling, cost controls, and client communication., • Maintain regular communication with clients and regulatory agencies, managing expectations and ensuring transparency throughout projects., • Report project status and progress to program managers, facilitating effective decision-making and resource allocation. Requirements Minimum Qualifications: • Minimum of 4-5 years of experience in environmental and engineering consulting, with a focus on remedial actions and munitions response projects., • Proficiency in MS Office Suite Products., • Excellent verbal and written communication skills., • Ability to collaborate effectively with clients, regulatory agencies, field operations, technical staff, and subcontractors., • Proficient in writing project work plans, health and safety plans, and other necessary documentation., • 40-hour OSHA certification and current 8-Hour HAZWOPER Refresher., • Bachelor’s degree from a 4-year college or university., • Willingness to travel up to 25 to 50 percent of the time to project sites, as required. Preferred Qualifications: • Bachelor’s degree in Civil Engineering, Geology, Environmental Science, or related field., • Additional professional certifications such as M.S., P.E., P.G., or equivalent., • Demonstrated experience in managing and executing environmental remediation construction projects., • Previous involvement in preparing or contributing to project proposals, showcasing strong business development skills. Benefits Key Benefits: • Competitive compensation, • Comprehensive health and wellness benefits, • Discounted fitness membership, • On-the-job training, • Educational assistance, • Opportunities for career advancement

Job DescriptionDescription: 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: $70,000- $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.

Job Description Hazen is seeking a Senior Hydrogeologist with deep Northern California experience to play a key role in advancing our growing groundwater practice. This position is ideal for a seasoned professional who combines strong technical expertise with a passion for mentoring teams, building client relationships, and shaping the strategic growth of a regional practice. In this role, you will lead and manage complex groundwater supply, remediation, and restoration projects that directly support sustainable water resources across California and beyond. You will serve as both a technical authority and trusted advisor to public and private sector clients, guiding project strategy, solving challenging hydrogeologic problems, and delivering high quality, defensible solutions. Beyond project leadership, you will help grow the practice by mentoring staff, strengthening client partnerships, and supporting business development efforts throughout Northern California, the West Region, and nationally. This role offers the opportunity to maintain meaningful hands-on technical involvement while expanding your influence in leadership, client strategy, and market growth. The successful candidate will thrive in a collaborative environment and enjoy balancing technical excellence, team leadership, and business development to make a lasting impact on groundwater management and restoration initiatives. Why Hazen and Sawyer: • Founded in 1951 by the son of Allen Hazen (developer of the Hazen-Williams equation), we are an employee-owned company with a singular focus on "all things water.", • Our work includes planning, design, and oversight of construction of environmental infrastructure – for water, wastewater, and stormwater management., • We foster a work environment low on bureaucracy and high in creativity., • We recruit talented professionals, provide them with challenging, interesting, and creative assignments, and furnish them with the tools they need to succeed., • We currently have over 2,000 employees in 80+ offices throughout the United States, Latin America, Canada, and the UK., • A flexible hybrid work schedule supports today's busy professionals. Key Responsibilities: • Lead and manage hydrogeologic investigations, recharge, and water supply projects across Northern California and the U.S., • Serve as Technical Lead or Project Manager for groundwater projects including production, monitoring, injection well programs, groundwater analysis, modeling, aquifer testing, and hydrogeologic interpretation., • Oversee well siting, design, drilling, testing, and well construction projects., • Develop and maintain relationships and support business development activities internally and with external clients., • Contribute to proposal development including scope definition, cost estimating, and technical approaches., • Mentor junior and mid-level staff and provide technical review of deliverables., • Interface with regulatory agencies (e.g., RWQCB, DDW, EPA, GSAs) Required Qualifications: • BS or MS in Hydrogeology, Geology, Geological Engineering, or a related field., • 10+ years of professional hydrogeology experience, with significant Northern California project experience., • Demonstrated experience with:, • Production, monitoring, and/or injection well design and construction., • Aquifer testing. o Groundwater data analysis and/or modeling., • Regulatory permitting compliance and agency coordination Northern California, • Proven ability to support or lead business development efforts and client engagement., • California PG required., • Strong leadership, communication, and project management skills., • Proven ability to support or lead business development efforts and client engagement., • Experience working with municipal, utility, industrial, and private-sector clients, • Professional Geologist (PG) license Preferred Qualifications: • CHG and/or other applicable licensures What We Offer: • Comprehensive health benefits (medical, dental, vision, and prescription plans), • Pre-tax flexible spending plans for medical, dependent care, and transportation, • Short and long-term disability, and employer paid life insurance, • Paid holidays, floating holidays, and paid time off (PTO), • Employer-contributed 401(k) plan and additional financial planning support, • Professional growth opportunities, including tuition reimbursement, in-house training, and incentives for professional registration and professional organization memberships, • Starting pay range for this position depends on skills, experience, education and geographical location

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