Environmental Engineer III

Job Title: Environmental Engineer III Location: Billings or Helena, MT Description/Job Summary POSITION DESCRIPTION HGL is currently seeking an Environmental Engineer III to support large-scale mining environmental remediation and construction projects in the western US. As an Engineer III, you will work with our high performing HGL Team and be responsible for supporting HGL’s portfolio of environmental remediation projects for various clients including USEPA and Montana Department of Environmental Quality.

Projects may include PRP oversight, remedial design support, oversight of remedial action (RA), remediation, demolition, and mine-waste cleanup projects. Responsibilities/Duties WHAT YOU'LL BE DOING Office/Reporting Tasks Developing engineering studies, plans, designs, and specifications for the remediation of environmental contamination.

Potentially Responsible Party (PRP) oversight. Interfacing with program and project managers, senior technical staff, the government customer, and RA Contractors. Reporting of observations and compliance with contract documents. Review of specifications, drawings, work plans, and ongoing construction activities to assure compliance.

Drafting project submittals. Determining, communicating, and documenting deficiencies to ensure they are corrected in a timely manner. Preparation of work plans and project deliverables (e.g., UFP-QAPPs, FSPs, RI/FS Reports, SSHP/HASPs, technical memoranda). Understanding of remediation and construction site health & safety (H&S) hazards.

Field Tasks QA/QC on construction projects Field sampling Potential 50% travel within the U.S. as needed to support projects. Minimum Requirements WHAT YOU NEED TO BE SUCCESSFUL The ideal candidate will need the following as a foundation for success in this role: Minimum of 6 years of directly related experience in environmental industry.

Bachelor’s degree in an engineering field such as: Mining Engineering, Environmental Engineering, Chemical Engineering, Civil Engineering, or related field. Fields outside of engineering would also be considered with relevant experience. Knowledge of CERCLA, DoD, DOE, EPA, and/or RCRA projects. Strong technical writing and documentation experience with prior experience contributing to the preparation of remedial design documents that are technically sound and accurately reflect the project approach and requirements.

Ability to conduct completion inspections, document project status and maintain records. Working knowledge of Federal and state occupational regulations. Ability to prepare daily reports documenting activities and findings. Excellent interpersonal communication skills (both written and oral) including the ability to comfortably engage with varying levels of leadership, RA Contractors, subcontractors, internal and external stakeholders, etc.

Demonstrated proficiency in the Microsoft Office suite of software, specifically in Excel and Word. Ability to work in a team environment with corporate, project, and technical management staff. Ability to work in a fast-paced environment and manage multiple priorities with attention to detail. Desired Qualifications WHAT YOU NEED TO STAND OUT – Preferred, not required Experience using generative AI tools (e.

g., Microsoft Copilot, ChatGPT, Claude, or similar) to improve technical writing, data analysis, research, visualization, or project delivery efficiency. Experience working with EPA on mining related projects and/or Montana Department of Environmental Quality. Experience at federal government remediation or construction sites.

OSHA 40-hr. and 8-hr. HAZWOPER Training. M.S. degree in engineering field related to Mining Engineering or Environmental Studies. EIT Certification (or capability to test and pass FE exam within one year) or Registered PE (or capability to obtain registration within one year), depending on experience. Physical & Environmental Requirements PHYSICAL & COGNITIVE REQUIREMENTS Ability to lift/move/relocate items up to 50 lbs.

; Prolonged sitting up to 70% of the time; Walking long distances; Walking over uneven or mountainous terrain; Repetitive hand motions (typing, tool use, etc.); Ability to see details at close range; Ability to see details at a distance; Viewing computer screen for extended periods; Ability to interpret and analyze visual data (maps, graphs, warning indicators, etc.)

; Driving a company or personal vehicle; Climbing ladders or stairs. Analyzing and synthesizing data; Complex problem solving and decision making; Reading and interpreting technical documents or regulations; Writing reports, proposals, or technical documentation; Leading a team or coordinating multiple priorities; Communicating effectively with clients, team members, and stakeholders; Managing competing deadlines and shifting priorities.

WORK ENVIRONMENT REQUIREMENTS Must be able to work outdoors in adverse weather conditions (heat, cold, rain, snow, etc.); Must be able to travel up to 50% per year; May work in environments with loud noises, dust, or hazardous materials; Office work environment; Remote work environment; Potential for longer days up to 12 hours in duration; Lifting, walking, driving, and working in harsh (hot/cold/windy/vegetated) environments This 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. Details Work 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. Office Type: In-office in HGL’s Billings or Helena, MT office.

Travel: Up to 50% A favorable pre-hire drug test and physical are required. All positions are subject to a pre-hire education and driving record verification. MORE ABOUT HGL AND THE OPPORTUNITY At 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. HGL

• WHO WE ARE The 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. Projects 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. With 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. HGL
• WE INVEST IN YOU It’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. We 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. EEO notices: US Equal Opportunity Employment Poster , US Equal Opportunity Supplemental Poster , Know Your Rights , and Pay Transparency Notice . A full list of benefits is available at www.hgl.com/careers/ . Digital & 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. The annual salary for this position ranges from $73,593 - $110,389. 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. If your desired salary falls outside of this range, we hope you'll still apply as there may be other positions that better align. #LI-onsite