{"id":3617762,"url":"https://alion.io/job/hgl-geologist-iii","title":"Geologist III","company":{"id":1973912,"name":"HGL","domain":"hgl.com","url":"https://alion.io/company/hgl-com","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"ADP","truth_index":{"grade":"A","score":100,"open_postings":4,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":54,"computed_at":"2026-11-04T06:34:25Z"}},"role":"Science & Research","role_family":"Science & Research","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Reston, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":84631,"max":126947,"currency":"USD","period":"year","gross":null,"usd_annual":126947},"salary_estimate":null,"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ChatGPT","optional":false},{"name":"Claude","optional":false},{"name":"Copilot","optional":false},{"name":"Function Calling","optional":false},{"name":"Microsoft Excel","optional":false},{"name":"Microsoft Office","optional":false}],"status":"live","first_seen_at":"2026-11-02T17:11:30Z","employer_posted_date":"2026-11-02","last_verified_at":"2026-11-04T23:08:52Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Job Title: Geologist III\nLocation: Reston, VA\nDescription/Job Summary\nPOSITION DESCRIPTION\nHGL has a position open for Geologist III to support site investigation and remediation projects based out of our Reston, VA headquarters. This role combines hands-on environmental investigation, interpretation of geological and environmental data, technical reporting, and remediation oversight. You will collaborate with engineers, geologists, scientists, and project managers on varied cleanup projects supporting our mission to restore the environment and protect our future. The Geologist III will provide support services to U.S. Environmental Protection Agency, U.S. Air Force, U.S. Army Corps of Engineers, U.S. Department of Defense, U.S. Department of Energy, and other federal and state government clients throughout the eastern United States.\n\nResponsibilities/Duties\nWHAT YOU'LL BE DOING\nSupporting environmental field investigations and remediation projects at hazardous waste/contaminated sites under the direction of project managers and senior staff members.\nEnsuring field operations are conducted in a safe manner in accordance with project specific Site Safety and Health Plans / Health and Safety Plans.\nParticipating on field teams for collection of water, soil, soil vapor, surface water, sediment and biota samples utilizing various sampling techniques.\nPerforming / conducting field subcontractor oversight inclusive of drilling, monitoring well construction, waste transportation and disposal, and heavy equipment operation.\nContributing to the preparation of work plans and project deliverables (e.g., UFP-QAPPs, RI Reports, SSHP/HASPs, PowerPoint presentations, and technical memoranda).\nAssisting with data entry, analysis, and interpretation of environmental data using statistical and visualization tools.\nCoordinating assigned field investigations and subcontractor activities, preparing technical reports and field documentation, and serving as HGL’s client representative during assigned remedial-action activities under the direction of project managers and senior technical staff. Developing greater technical leadership and project-management responsibility through increasingly complex assignments.\nUtilizing approved digital and AI-assisted tools, where appropriate, to support technical documentation, data analysis, project communications, and workflow efficiency.\nMinimum Requirements\nWHAT YOU NEED TO BE SUCCESSFUL\nA bachelor’s degree in Geology, Hydrogeology, Geophysics, Geological/Geotechnical Engineering or a related field.\nMinimum of six years of directly relevant environmental investigation and remediation experience, or an equivalent combination of relevant education and experience.\nPrevious experience with environmental investigations (CERCLA, RCRA, DoD, DoE, and/or EPA projects) including various groundwater, soil, vapor intrusion, surface water, sediment and biota methodologies.\nExperience overseeing and monitoring well drilling and installation, preparing and interpreting geological boring logs, collecting groundwater and soil samples, and contributing to technical reports and work plans is required.\nA demonstrated history of responsibility, initiative, motivation, and creativity.\nAbility to work within a team environment.\nStrong time management skills.\nExcellent written and oral communication skills and organization.\nProficient in MS Word, MS Excel, and other MS Office applications. \nDemonstrated ability to learn and adopt new technologies and digital tools to improve project delivery and operational efficiency.\nDesired Qualifications\nWHAT YOU NEED TO STAND OUT - Preferred, not required\nMaster’s degree in Geology, Hydrogeology, Geophysics, Geological/Geotechnical Engineering or a related field.\nExperience as a Site Health & Safety Officer for environmental investigations/remediation.\nHAZWOPER 40-hour training.\nOSHA 30-hour Construction Safety and Health certificate.\nEPA Superfund experience and State environmental agencies.\nStrong work ethic with the desire to learn and expand role by taking on more responsibilities.\nPFAS sampling and remediation experience.\nExperience or training in developing hydrogeologic conceptual site models (CSMs) and modeling (surface water or groundwater).\nExperience or training with GIS, SURFER or similar, 2D/3D data visualization software such as Earth Volumetric Studio.\nExperience using SCRIBE data management software.\nGeologist-in-Training (GIT) designation or Professional Geologist (PG) licensure is preferred. Candidates without PG licensure should demonstrate interest in pursuing licensure and work with HGL to establish a development timeline based on their education, experience, and applicable licensing requirements.\nExperience using generative AI tools (e.g., Microsoft Copilot, ChatGPT, Claude, or similar) to improve technical writing, data analysis, research, visualization, or project delivery efficiency.\nPhysical & Environmental Requirements\nPHYSICAL & COGNITIVE REQUIRMENTS\nAbility to lift/move/relocate items up to 50 lbs\nProlonged sitting and standing up to 70% of the time\nWalking long distances\nWalking over uneven or mountainous terrain\nRepetitive hand motions (typing, tool use, etc.)\nAbility to see details at close range and at a distance\nViewing computer screen for extended periods\nAbility to interpret and analyze visual data (maps, graphs, warning indicators, etc.)\nDriving a company or personal vehicle\nAnalyzing and synthesizing data\nComplex problem solving and decision making\nReading and interpreting technical documents or regulations\nWriting reports, proposals, or technical documentation\nLeading a team or coordinating multiple priorities\nCommunicating effectively with clients, team members, and stakeholders\nManaging competing deadlines and shifting priorities\nWORK ENVIRONMENT REQUIREMENTS\nMust be able to work outdoors in adverse weather conditions (heat, cold, rain, snow, etc.)\nMust be able to travel up to 25% per year\nMay work in environments with loud noises, dust, or hazardous materials\nMust wear appropriate personal protective equipment (PPE)\nOffice work environment\nPotential for longer days up to 12 hours in duration\n\nThis description is not a comprehensive listing of activities, duties or responsibilities that may be required of the employee. Other duties, responsibilities and activities may be assigned or may be changed at any time with or without notice.\nDetails\nWork Schedule: HGL office work is dictated by a 5-day work week; however, fieldwork schedules will deviate based on job requirements and may require longer hours and weekends.\nOffice Type: In-Office. Five office days per week are preferred; consideration may be given to 1-2 work-from-home days per week, depending on the agreed arrangement and project needs.\nTravel: Travel of up to approximately 25% annually is required to support environmental investigations and remediation projects. Travel frequency and duration vary by project and may include overnight stays.\nA favorable pre-hire drug test and physical are required.\nAll positions are subject to a pre-hire education and driving record verification.\nThis specific role supports a U.S. Federal government contract(s) which require(s) employees engaged on this contract to be U.S. citizens.\nMORE ABOUT HGL AND THE OPPORTUNITY\nAt HGL, we share a drive and vision to restore natural resources and provide ongoing stewardship of our environment to benefit present and future generations. We believe that we can make a difference in improving the world we live in through collaboration, teamwork, and a positive work environment. This unites and empowers us to strive for excellence in all our endeavors.\nHGL - WHO WE ARE\nThe exceptional quality of our people is key to our strength. We value our employees as individuals and as important members of our team. We offer a work environment that is flexible, inclusive, and dedicated to creating a sustainable future. By cultivating a culture of innovation, we’re able to adapt and augment our services to solve complex environmental and natural resources challenges.\nProjects at HGL primarily span the United States and its territories, tackling problems associated with emerging contaminants (like PFAS), radiological contamination, and military munitions, along with chemical contamination in groundwater, surface water, sediments, and soil.\nWith over 550 employees, HGL is large enough to execute high-profile projects, but small enough to develop personal working environments with our talented team members. By joining HGL, you will be working toward restoring the environment and protecting our future.\nHGL - WE INVEST IN YOU\nIt’s not just a job, it’s your career. HGL provides career growth opportunities via mentoring, training, education, and support for your certifications and licenses. Achieve your career goals and help HGL achieve its mission of restoring the environment to beneficial use for our clients and communities.\nWe are an Equal Opportunity employer. All applicants will receive consideration for employment without regard to race, color, religion, sex, age, national origin, disability, protected veteran status, or other protected category. Some positions may require U.S. citizenship. Applicants who wish to request a reasonable accommodation during the recruitment process should contact Human Resources directly at 703-478-5186.\nEEO notices: US Equal Opportunity Employment Poster, US Equal Opportunity Supplemental Poster, Know Your Rights, and Pay Transparency Notice.\nA full list of benefits is available at www.hgl.com/careers/.\nDigital & AI Proficiency: HGL encourages the responsible use of approved AI-enabled and digital technologies to improve productivity, technical quality, decision-making, and project delivery. Candidates who demonstrate curiosity, adaptability, and experience leveraging emerging technologies are highly valued.\nThe annual salary for this position ranges from $84,631 - $126,947. This position's final salary can be impacted by various factors including, but not limited to, contractual requirements, geographic location, job-related education, training, experience, and skills. 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