Civil​/Environmental Engineer III

Job Title:

Engineer III

City & State

Location:

St. Louis, MO Office (Hazelwood, MO)

At HGL, 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. We provide opportunities for a dynamic work environment surrounded by industry leaders working to solve today’s environmental, infrastructure, and natural resources challenges.

HGL offers career advancement through internal and external training, skill advancement, and education. Projects at HGL span the United States and its territories all while solving problems associated with emerging contaminants (PFAS, radiological, and unexploded ordnance) along with traditional chemical contamination across all media.

With over 550 employees, HGL is large enough to execute high‑profile projects, but small enough that personal working environments are possible with senior management and HGL's talented team members. By joining HGL, you will be working toward restoring the environment and protecting our future.

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. HGL’s mission is to continually deliver new solutions and technologies for the ever‑changing range of environmental challenges encountered in today’s world. HGL’s corporate culture ensures you’ll be given the opportunity for career advancement while being supported by bright, highly productive peers and leaders.

Currently, HGL has a position open for an experienced mid‑level Civil or Environmental Engineer to support the St. Louis Formerly Utilized Sites Remedial Action Program (FUSRAP) project in St. Louis, Missouri. The engineering responsibilities will include developing construction design documents specifically related to excavation and earth work supporting environmental remediation. This is an on‑site position based in our St. Louis, MO office.

The work schedule is Monday‑Thursday 6:30 am – 5:00 pm.

• Developing construction design documents for excavations and earth work.
• Work closely with geologists for the development of appropriate excavation plans.
• Work with the CAD and GIS departments to develop engineering drawings.
• Develop appropriate specifications.
• Assist with coordinating subcontractor activities, ensuring schedules, work quality, and environmental controls are met during remedial action.
• Identify field issues, communicate effectively with project management, and propose practical solutions.

• BA/BS in Civil, Environmental, Geological, or Construction Engineering, or another related Engineering field.
• Minimum of 6 years of directly related experience.
• Proficiency with MS Office, including MS Word and MS Excel.
• Must be able to work in a construction‑type environment and manage multiple projects concurrently.
• Effective oral and written communication, presentation skills, and the ability to complete projects independently and / or in small teams.
• Attention to detail and quality required.

• Working knowledge of floodplain construction and permitting.
• Working knowledge of AutoCAD or similar software.
• OSHA 40‑Hour HAZWOPER certification (or willingness to obtain upon hire).
• P.E. Certification

A pre‑hire drug test and physical are required. A valid driver’s license and favorable driving record are required.

Project hours are 6:30 am‑5 pm Monday‑Thursday. Alternate or extended shift scheduling may be required short‑term to meet project demands.

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

The salary range for this position ranges from $71,868.00‑$. 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.