Langan Engineering & Environmental Services · Austin, TX; Charlotte, NC; Chicago, IL; Denver, CO; Irvine, CA; New York, NY; Parsippany, NJ; Philadelphia, PA; Phoenix, AZ; San Francisco, California, United States; Seattle, WA· Onsite

11 Sep 2026

Intern/Co-op - Site/Civil Engineering (Summer 2027)

Langan Engineering & Environmental Services · Arlington, VA· Onsite

11 Sep 2026

Senior Staff Land Surveyor

Langan Engineering & Environmental Services · Bethlehem, Pennsylvania, United States; Philadelphia, PA· Onsite

11 Sep 2026

Senior Project Manager – Civil Engineering

Langan Engineering & Environmental Services · Cincinnatti, OH; Columbus, Ohio, United States· Onsite

10 Sep 2026

Intern/Co-op – Landscape Architecture + Planning (Summer 2027)

Langan Engineering & Environmental Services · Bellevue, WA· Onsite

10 Sep 2026

Intern/Co-op - Environmental (Summer 2027)

Langan Engineering & Environmental Services · Arlington, VA· Onsite

10 Sep 2026

Entry-Level Environmental Engineer, Scientist or Geologist

Langan Engineering & Environmental Services · Seattle, WA· Onsite

10 Sep 2026

Intern/Co-op – Geotechnical Engineering (Summer 2027)

Langan Engineering & Environmental Services · Dallas, TX· Onsite

10 Sep 2026

Intern/Co-op – Environmental Permitting & Compliance (Summer 2027)

Langan Engineering & Environmental Services · Houston, TX· Onsite

10 Sep 2026

Intern/Co-op – Site/Civil Engineering (Summer 2027)

Langan Engineering & Environmental Services · Celina, TX· Onsite

10 Sep 2026

Intern/Co-op – Site/Civil Engineering (Summer 2027)

Langan Engineering & Environmental Services · Tyler, TX· Onsite

10 Sep 2026

Entry-Level Civil Engineer

Langan Engineering & Environmental Services · Fort Worth, TX· Onsite

10 Sep 2026

Intern/Co-op - Site/Civil Engineering (Summer 2027)

Langan Engineering & Environmental Services · Princeton, NJ· Onsite

10 Sep 2026

Intern/Co-op – Site/Civil Engineering (Summer 2027)

Langan Engineering & Environmental Services · Fort Worth, TX· Onsite

10 Sep 2026

Hazardous Building Materials Professional

Langan Engineering & Environmental Services · White Plains, NY· Onsite

10 Sep 2026

Intern/Co-op - Environmental (Summer 2027)

Langan Engineering & Environmental Services · San Francisco, California, United States; San Jose, CA· Onsite

9 Sep 2026

Environmental Intern / Trainee - Summer 2027

Langan Engineering & Environmental Services · San Francisco, California, United States· Onsite

9 Sep 2026

Intern/Co-op – Geotechnical Engineering (Summer 2027)

Langan Engineering & Environmental Services · San Francisco, California, United States· Onsite

9 Sep 2026

Intern/Co-op - Environmental (Summer 2027)

Langan Engineering & Environmental Services · Seattle, WA· Onsite

9 Sep 2026

Intern/Co-op - Environmental (Summer 2027)

Langan Engineering & Environmental Services · Santa Barbara, CA· Onsite

9 Sep 2026

Intern/Co-op – Site/Civil Engineering (Summer 2027)

Langan Engineering & Environmental Services · San Francisco, California, United States· Onsite

9 Sep 2026

Intern/Co-op – Site/Civil Engineering (Summer 2027)

Langan Engineering & Environmental Services · Portland, OR· Onsite

9 Sep 2026

Intern/Co-op – Site/Civil Engineering (Summer 2027)

Langan Engineering & Environmental Services · Las Vegas, NV· Onsite

9 Sep 2026

Intern/Co-op – Site/Civil Engineering (Summer 2027)

Langan Engineering & Environmental Services · Los Angeles, CA· Onsite

9 Sep 2026

Intern/Co-op – Site/Civil Engineering (Summer 2027)

Langan Engineering & Environmental Services · Inland Empire, CA· Onsite

9 Sep 2026

Intern/Co-op – Site/Civil Engineering (Summer 2027)

Langan Engineering & Environmental Services · Irvine, CA· Onsite

9 Sep 2026

Intern/Co-op – Geotechnical Engineering (Summer 2027)

Langan Engineering & Environmental Services · Irvine, CA· Onsite

9 Sep 2026

Intern/Co-op - Environmental (Summer 2027)

Langan Engineering & Environmental Services · Irvine, CA· Onsite

9 Sep 2026

Intern/Co-op - Environmental (Summer 2027)

Langan Engineering & Environmental Services · Calgary, AB, Canada· Onsite

9 Sep 2026

Intern/Co-op – Site/Civil Engineering (Summer 2027)

Langan Engineering & Environmental Services · Bellevue, WA· Onsite

9 Sep 2026

Staff Geotechnical Engineer

Langan Engineering & Environmental Services · San Francisco, California, United States; San Jose, CA· Onsite

9 Sep 2026

Entry-Level Civil Engineer

Langan Engineering & Environmental Services · San Jose, CA· Onsite

9 Sep 2026

Entry-Level Civil Engineer

Langan Engineering & Environmental Services · Las Vegas, NV· Onsite

9 Sep 2026

Entry-Level Civil Engineer

Langan Engineering & Environmental Services · Los Angeles, CA· Onsite

9 Sep 2026

Entry Level Civil Engineer

Langan Engineering & Environmental Services · Inland Empire, CA· Onsite

9 Sep 2026

Staff Civil Engineer

Langan Engineering & Environmental Services · Bellevue, WA· Onsite

9 Sep 2026

Marketing Coordinator

Langan Engineering & Environmental Services · Parsippany, NJ· Onsite

9 Sep 2026

Intern/Co-op - Geotechnical Engineering (Summer 2027)

Langan Engineering & Environmental Services · Jacksonville, FL· Onsite

9 Sep 2026

Intern/Co-op - Site/Civil Engineering (Summer 2027)

Langan Engineering & Environmental Services · Charlotte, NC· Onsite

9 Sep 2026

Intern/Co-op - Site/Civil Engineering (Summer 2027)

Langan Engineering & Environmental Services · Miami, FL· Onsite

8 Sep 2026

Administrative Assistant

Langan Engineering & Environmental Services · Salt Lake City, UT· Onsite

8 Sep 2026

Senior Staff Geotechnical Engineer

Langan Engineering & Environmental Services · Orlando, FL· Onsite

4 Sep 2026

Senior Staff Engineer

Langan Engineering & Environmental Services · Denver, CO· Onsite

3 Sep 2026

Staff Environmental Engineer, Scientist, or Geologist

Langan Engineering & Environmental Services · Irvine, CA· Onsite

3 Sep 2026

Senior Staff Engineer, Scientist, or Geologist

Langan Engineering & Environmental Services · Irvine, CA· Onsite

3 Sep 2026

Senior Project Environmental Engineer, Scientist, or Geologist

Langan Engineering & Environmental Services · Irvine, CA· Onsite

3 Sep 2026

Staff Surveyor

Langan Engineering & Environmental Services · Princeton, NJ· Onsite

3 Sep 2026

Intern/Co-op – Site/Civil Engineering (Spring 2027)

Langan Engineering & Environmental Services · New Haven, CT· Onsite

2 Sep 2026

Intern/Co-op – Geotechnical Engineering (Summer 2027)

Langan Engineering & Environmental Services · Boston, MA· Onsite

2 Sep 2026

Intern/Co-op – Geotechnical Engineering (Summer 2027)

Langan Engineering & Environmental Services · New Haven, CT· Onsite

2 Sep 2026

The companies we read.

Langan Engineering & Environmental Services

Open roles126

Intern/Co-op - Environmental (Summer 2027)

Intern/Co-op - Environmental (Summer 2027)

Intern/Co-op – Site/Civil Engineering (Winter 2026/2027)

Intern/Co-op – Traffic Engineering (Summer 2027)

Intern/Co-op - Environmental (Summer 2027)

Environmental Engineer, Scientist, or Geologist - Entry Level

Intern/Co-op - Environmental (Summer 2027)

Intern/Co-op - Environmental (Summer 2027)

Intern/Co-op - Environmental (Summer 2027)

Intern – Traffic Engineering

Intern/Co-op – Land Surveying (Summer 2027)

Practice Leader - Civil Engineering

Staff Civil Engineer

Senior Civil Engineer

Intern/Co-op - Environmental Permitting & Compliance (Summer 2027)

Intern - Landscape Architecture & Planning

Intern - Site/Civil Engineering

Intern - Site/Civil Engineering

Senior Project Manager - Environmental

Senior Business Development Manager

Intern - Site/Civil Engineering

Intern - Site/Civil Engineering

Intern - Land Survey

Intern - Environmental Engineer

Intern - Environmental Engineering

Intern/Co-op – Landscape Architecture + Planning (Summer 2027)

CAD Designer

Intern - Geotechnical Engineering

Intern - Geotechnical Engineering

Co-op - Site/Civil Engineering

Co-op - Site/Civil Engineering

Co-op - Site/Civil Engineering

Co-Op - Traffic Engineering

Summer 2027 Entry-Level Environmental Engineer, Scientist or Geologist

Entry-Level Environmental Engineer or Geologist

Entry-Level Environmental Engineer or Geologist

Intern/Co-op - Geotechnical Engineering (Summer 2027)

Intern/Co-op – Landscape Architecture & Planning (Summer 2027)

Intern/Co-op - Environmental (Summer 2027)

Intern/Co-op – Site/Civil Engineering (Summer 2027)

Intern/Co-op - Geotechnical Engineering (Summer 2027)

Intern/Co-op - Environmental (Summer 2027)

Intern/Co-op – Geotechnical Engineering (Summer 2027)

Intern/Co-op - Site/Civil Engineering (Summer 2027)

Intern/Co-op - Site/Civil Engineering (Summer 2027)

Intern/Co-op - Site/Civil Engineering (Summer 2027)

Intern/Co-op – Site/Civil Engineering (Summer 2027)

Project Surveyor / Project Manager

Senior Staff Landscape Architect

Intern/Co-op - Site/Civil Engineering

Geospatial Systems Engineer

Intern/Co-op - Site/Civil Engineering (Summer 2027)

Senior Staff Land Surveyor

Senior Project Manager – Civil Engineering

Intern/Co-op – Landscape Architecture + Planning (Summer 2027)

Intern/Co-op - Environmental (Summer 2027)

Entry-Level Environmental Engineer, Scientist or Geologist

Intern/Co-op – Geotechnical Engineering (Summer 2027)

Intern/Co-op – Environmental Permitting & Compliance (Summer 2027)

Intern/Co-op – Site/Civil Engineering (Summer 2027)

Intern/Co-op – Site/Civil Engineering (Summer 2027)

Entry-Level Civil Engineer

Intern/Co-op - Site/Civil Engineering (Summer 2027)

Intern/Co-op – Site/Civil Engineering (Summer 2027)

Hazardous Building Materials Professional

Intern/Co-op - Environmental (Summer 2027)

Environmental Intern / Trainee - Summer 2027

Intern/Co-op – Geotechnical Engineering (Summer 2027)

Intern/Co-op - Environmental (Summer 2027)

Intern/Co-op - Environmental (Summer 2027)

Intern/Co-op – Site/Civil Engineering (Summer 2027)

Intern/Co-op – Site/Civil Engineering (Summer 2027)

Intern/Co-op – Site/Civil Engineering (Summer 2027)

Intern/Co-op – Site/Civil Engineering (Summer 2027)

Intern/Co-op – Site/Civil Engineering (Summer 2027)

Intern/Co-op – Site/Civil Engineering (Summer 2027)

Intern/Co-op – Geotechnical Engineering (Summer 2027)