Langan Engineering & Environmental Services jobs
217 open roles in the US, the 100 newest below
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Administrative Assistant
Austin, TX · Posted Nov 5, 2026
Administrative Assistant
Cleveland, OH · Posted Nov 5, 2026
Subsurface Utility Engineering Team Lead
Bethlehem, Pennsylvania, United States; Parsippany, NJ; Princeton, NJ · Posted Nov 4, 2026
Civil Engineer
Nashville, TN · Posted Oct 26, 2026
Senior Project Manager
Nashville, TN · Posted Oct 26, 2026
Entry-Level Geotechnical Engineer
Phoenix, Arizona, United States · Posted Oct 23, 2026
Entry-Level Environmental Engineer, Scientist or Geologist
Tampa, Florida, United States · Posted Oct 23, 2026
Entry-Level Geotechnical Engineer
Salt Lake City, UT · Posted Oct 23, 2026
Senior Staff Geotechnical Engineer
Phoenix, Arizona, United States · Posted Oct 23, 2026
Project Geotechnical Engineer/Project Manager
Phoenix, Arizona, United States · Posted Oct 23, 2026
Senior Staff Geotechnical Engineer
Houston, TX · Posted Oct 22, 2026
Intern/Co-op - Geotechnical Engineering (Summer 2027)
Fort Lauderdale, Florida, United States; Miami, Florida, United States · Posted Oct 22, 2026
Intern/Co-op - Cyber Security (Spring & Summer 2027)
Parsippany, NJ · Posted Oct 22, 2026
Senior Project Manager – Environmental
Bethlehem, Pennsylvania, United States · Posted Oct 22, 2026
Senior Project Engineering Geologist
Irvine, California, United States · Posted Oct 22, 2026
Part-Time On-Call Staff Environmental Engineer, Scientist, or Geologist
Irvine, California, United States · Posted Oct 22, 2026
Project Surveyor / Project Manager
Indianapolis, IN · Posted Oct 22, 2026
Project Engineer/Manager – Water and Wastewater
Arlington, VA; Atlanta, GA; Charlotte, NC; Fort Lauderdale, Florida, United States; Miami, Florida, United States; Nashville, TN · Posted Oct 22, 2026
Project Civil Engineer - Project Manager
Tampa, Florida, United States · Posted Oct 22, 2026
Project Engineer/Manager - Water and Wastewater
Bethlehem, Pennsylvania, United States; Doylestown, PA; Parsippany, NJ; Philadelphia, PA; Princeton, NJ · Posted Oct 22, 2026
Project Engineer/Manager - Water and Wastewater
Boston, MA; New Haven, Connecticut, United States; New York, NY; Syracuse, NY; White Plains, NY · Posted Oct 22, 2026
Project Engineer/Manager - Water and Wastewater
Chicago, IL; Cincinnatti, OH; Columbus, Ohio, United States; Detroit, MI; Indianapolis, IN; Milwaukee, WI; Pittsburgh, PA · Posted Oct 22, 2026
Senior Staff Geotechnical Engineer
Irvine, California, United States · Posted Oct 22, 2026
Intern/Co-op - Talent Acquisition (Spring & Summer 2027)
Parsippany, NJ · Posted Oct 22, 2026
Senior Project Manager – Environmental
Washington, District of Columbia, United States · Posted Oct 22, 2026
Project Civil Engineer / Project Manager
Morgantown, West Virginia, United States · Posted Oct 22, 2026
Senior Staff Civil Engineer
Morgantown, West Virginia, United States · Posted Oct 22, 2026
Senior Project Manager – Civil Engineering
Morgantown, West Virginia, United States · Posted Oct 22, 2026
Senior Project Manager - Traffic Engineering
Columbus, Ohio, United States · Posted Oct 22, 2026
Senior Project Manager - Traffic Engineering
Cincinnatti, OH · Posted Oct 22, 2026
Project Environmental Engineer, Scientist, Geologist / Project Manager
Arlington, VA · Posted Oct 22, 2026
Survey Technician
Charlotte, NC · Posted Oct 21, 2026
Civil Project Engineer- Project Manager (Renewable Energy)
Indianapolis, IN; Kansas City , MO; Milwaukee, WI; Ohio · Posted Oct 20, 2026
Project Engineer/Manager - Water and Wastewater
Austin, TX; Dallas, TX; Fort Worth, TX; Houston, TX; Phoenix, Arizona, United States; San Antonio, TX · Posted Oct 20, 2026
Intern/Co-op – Geotechnical Engineering (Spring 2027)
Parsippany, NJ · Posted Oct 20, 2026
Intern/Co-op – Landscape Architecture + Planning (Summer 2027)
New Haven, Connecticut, United States · Posted Oct 16, 2026
Intern/Co-op – Landscape Architecture + Planning (Summer 2027)
Parsippany, NJ · Posted Oct 16, 2026
Intern/Co-op – Landscape Architecture + Planning (Summer 2027)
Boston, MA · Posted Oct 16, 2026
Intern/Co-op - Site/Civil Engineering (Summer 2027)
Pittsburgh, PA · Posted Oct 15, 2026
Intern/Co-op - Site/Civil Engineering (Summer 2027)
Tampa, Florida, United States · Posted Oct 15, 2026
Senior Staff Environmental Engineer, Scientist or Geologist
New York, NY · Posted Oct 15, 2026
Staff Geotechnical Engineer
Cleveland, OH; Pittsburgh, PA · Posted Oct 15, 2026
Project Traffic Engineer / Project Manager
Cincinnatti, OH · Posted Oct 13, 2026
Senior Staff Environmental Engineer, Scientist, or Geologist
Philadelphia, PA · Posted Oct 12, 2026
Staff Civil Engineer
Cincinnatti, OH; Cleveland, OH; Columbus, Ohio, United States · Posted Oct 9, 2026
Senior Staff Civil Engineer
Tampa, Florida, United States · Posted Oct 8, 2026
Intern/Co-op – Site/Civil Engineer (Spring 2027)
Cleveland, OH · Posted Oct 8, 2026
Project Environmental Engineer
Arlington, VA · Posted Oct 8, 2026
Intern/Co-op – Land Surveying (Summer 2027)
San Antonio, TX · Posted Oct 7, 2026
Entry-Level Civil Engineer
Salt Lake City, UT · Posted Oct 6, 2026
Intern/Co-op - Highway/Roadway Engineering (Summer 2027)
Doylestown, PA · Posted Oct 6, 2026
Intern/Co-op - Geotechnical Engineering (Summer 2027)
Philadelphia, PA · Posted Oct 6, 2026
Entry-Level Civil Engineer
Kansas City , MO · Posted Oct 6, 2026
Intern/Co-op - Environmental (Summer 2027)
Syracuse, NY · Posted Oct 6, 2026
Entry-Level Civil Engineer
Phoenix, Arizona, United States · Posted Oct 6, 2026
Senior Project Engineer/Manager – Mission Critical Water and Wastewater
Atlanta, GA; Austin, TX; Bellevue, WA; Boston, MA; Charlotte, NC; Cleveland, OH; Columbus, Ohio, United States; Dallas, TX; Denver, Colorado, United States; Doylestown, PA; Fort Worth, TX; Houston, TX; Indianapolis, IN; Milwaukee, WI; New Haven, Connecticut, United States; Philadelphia, PA; Pittsburgh, PA; Portland, OR; Salt Lake City, UT; Seattle, WA; White Plains, NY · Posted Oct 6, 2026
Engineering Geologist
Pittsburgh, PA · Posted Oct 5, 2026
Senior Staff Engineering Geologist
Pittsburgh, PA · Posted Oct 5, 2026
Project Surveyor / Project Manager
Austin, TX · Posted Oct 5, 2026
Miami Landscape Architecture + Planning Studio Lead
Miami, Florida, United States · Posted Oct 5, 2026
Part Time On Call Senior Hazmat Specialist
White Plains, NY · Posted Oct 5, 2026
Project Environmental Engineer, Scientist, Geologist / Project Manager
Syracuse, NY · Posted Oct 2, 2026
Intern/Co-op - Environmental (Summer 2027)
Doylestown, PA · Posted Oct 2, 2026
Intern/Co-op – Environmental Permitting & Compliance (Summer 2027)
Doylestown, PA; Philadelphia, PA · Posted Oct 1, 2026
On Call Archaeological/Cultural Resource Technician
Bethlehem, Pennsylvania, United States; Cincinnatti, OH; Cleveland, OH; Columbus, Ohio, United States; Philadelphia, PA; Pittsburgh, PA · Posted Oct 1, 2026
Entry-Level Civil Engineer
Fort Lauderdale, Florida, United States · Posted Oct 1, 2026
Intern/Co-op - Site/Civil Engineering (Summer 2027)
Fort Lauderdale, Florida, United States · Posted Oct 1, 2026
Air Quality Permitting and Dispersion Modeling Specialist
Austin, TX; Boston, MA; Cleveland, OH; Denver, Colorado, United States; Philadelphia, PA; Pittsburgh, PA; San Antonio, TX · Posted Oct 1, 2026
Staff Engineer/Scientist – Environmental Permitting & Compliance
Bethlehem, Pennsylvania, United States; Doylestown, PA; Philadelphia, PA; Princeton, NJ · Posted Oct 1, 2026
Intern/Co-op – Geotechnical Engineering (Summer 2027)
Syracuse, NY · Posted Oct 1, 2026
Intern/Co-op - Environmental (Summer 2027)
Princeton, NJ · Posted Sep 30, 2026
Entry-Level Environmental Engineer or Geologist
West Palm Beach, Florida, United States · Posted Sep 30, 2026
Staff Civil Engineer
Bellevue, WA · Posted Sep 30, 2026
Entry-Level Civil Engineer
Arlington, VA · Posted Sep 29, 2026
Intern/Co-op - Site/Civil Engineering (Summer 2027)
Philadelphia, PA · Posted Sep 29, 2026
Intern/Co-op - Site/Civil Engineering (Summer 2027)
Doylestown, PA · Posted Sep 29, 2026
On Call Archaeological/Cultural Resource Technician
Arlington, VA; Charlotte, NC; New Jersey; Parsippany, NJ; Princeton, NJ; Richmond, VA; United States of America; Washington, District of Columbia, United States · Posted Sep 28, 2026
Entry-Level Environmental Engineer or Geologist
Tampa, Florida, United States · Posted Sep 28, 2026
Intern/Co-op – Land Surveying (Summer 2027)
Dallas, TX · Posted Sep 28, 2026
Intern/Co-op – Land Surveying (Summer 2027)
Austin, TX · Posted Sep 28, 2026
Intern/Co-op – Traffic Engineering (Summer 2027)
New York, NY · Posted Sep 28, 2026
Intern/Co-op – Geotechnical Engineering (Summer 2027)
Houston, TX · Posted Sep 28, 2026
Entry-Level Civil Engineer
Portland, OR · Posted Sep 28, 2026
Entry-Level Civil Engineer
Columbus, Ohio, United States · Posted Sep 28, 2026
Entry-Level Civil Engineer
Detroit, MI · Posted Sep 28, 2026
Project Civil Engineer
Nashville, TN · Posted Sep 28, 2026
Intern/Co-op – Traffic Engineering (Summer 2027)
Austin, TX · Posted Sep 25, 2026
Intern/Co-op - Highway/Roadway Engineering (Summer 2027)
Austin, TX · Posted Sep 25, 2026
Entry-Level Civil Engineer
San Antonio, TX · Posted Sep 25, 2026
Civil Engineer
Chicago, IL; Kansas City , MO; New York, NY; Parsippany, NJ; Princeton, NJ; White Plains, NY · Posted Sep 25, 2026
Senior Staff Civil Engineer
Chicago, IL; Kansas City , MO; New York, NY; Parsippany, NJ; Princeton, NJ; White Plains, NY · Posted Sep 25, 2026
Staff Civil Engineer
Denver, Colorado, United States · Posted Sep 24, 2026
Senior Project Manager - Traffic Engineering
Cincinnatti, OH; Columbus, Ohio, United States · Posted Sep 24, 2026
Project Traffic Engineer / Project Manager
Columbus, Ohio, United States · Posted Sep 24, 2026
Senior Staff Civil Engineer
Denver, Colorado, United States · Posted Sep 23, 2026
Staff Civil Engineer
Phoenix, Arizona, United States · Posted Sep 22, 2026
Staff Civil Engineer
Tyler, TX · Posted Sep 22, 2026
Talent Acquisition Specialist
Parsippany, NJ · Posted Sep 22, 2026
Staff Geotechnical Engineer
Syracuse, NY · Posted Sep 22, 2026
Intern/Co-op – Landscape Architecture + Planning (Summer 2027)
San Jose, California, United States · Posted Sep 21, 2026
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