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

Langan Engineering & Environmental Services; Princeton (NJ); On-site; USD 28,000 - 41,000; Full time

Job summary

Langan Engineering & Environmental Services seeks an Intern/Co-op – Site/Civil Engineering for Summer 2027 in Princeton, NJ. You will support site feasibility studies, potentially perform field work, prepare technical reports, and contribute to design plans and specifications while learning from industry leaders.

This role offers hands‑on experience across land development projects, with exposure to site design, calculations, and pre‑construction documentation, in a collaborative,

Qualifications

• Pursuing a four‑year or advanced degree in Civil Engineering; GPA 3.0+ preferred.
• Working knowledge of AutoCAD or Civil 3D, and Microsoft Office Suite.
• Excellent written and verbal communication skills.
• Strong attention to detail with analytical and multitasking abilities.
• Ability to work independently and within a team environment.

Responsibilities

• Assist with planning, design and permitting of civil engineering, land development and infrastructure projects.
• Prepare and modify engineering documents including reports, specifications, plans, schedules, and cost estimates using engineering software.
• Assess soil, terrain, hydrological data and their impact on planning and design.
• Support zoning, ordinance and permit assessments and feasibility analyses.
• Provide field inspection services as needed.
• Apply engineering knowledge and advanced mathematics.
• Collaborate with team members on project tasks and assignments.
• Perform other duties as requested.

Skills

communication skills

team player

analytical thinking

Education

Civil Engineering student

Tools

AutoCAD

Civil 3D

Microsoft Office

Job description

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

Princeton, NJ

Langan provides expert land development engineering and environmental consulting services for major developers, renewable energy producers, energy companies, corporations, healthcare systems, colleges/universities, and large infrastructure programs throughout the U.S. and around the world. Our employees collaborate seamlessly among 50+ offices and gain valuable hands‑on experience that fosters career growth. Langan culture is entrepreneurial from advancing innovative technical solutions, to participating in robust training and knowledge sharing, to making progressive change within the communities we live and work.

Consistently ranked among the top ten “Best Firms to Work For” and Engineering News-Record’s top 50 firms worldwide, Langan attracts and retains the best talent in the industry. Employees thrive at Langan, a firm that fosters an inclusive and supportive work environment for all; prioritizes wellbeing, health, and safety; encourages volunteerism and philanthropy; offers workplace flexibility, along with carbon‑neutral office spaces; and empowers individuals to contribute their skills and knowledge to make impactful contributions.

Job Summary

Langan is seeking aIntern/Co-op – Site/Civil Engineering to join its collaborative team in Princeton, NJ.This individual will serve a key function in supporting site feasibility studies which may involve field work, technical report preparation and calculations, pre‑construction conditions documentation, design plans and specifications. In this role, you will have the opportunity to expand your knowledge and experience technically and professionally by partnering directly with industry leadership on a variety of exciting land development projects.

Job Responsibilities

• Assist with the planning, design and permitting of civil engineering, land development and infrastructure projects;
• Assist with the preparation and modification of various engineering documents including reports, specifications, plans, construction schedules, cost estimates and design plans for projects using engineering and design software (AutoCAD, Civil 3D, etc.) and equipment;
• Effectively use reports, maps, drawings, engineering plans, tests, and aerial photographs to assess soil composition, terrain, hydrological characteristics, and topographical and geologic data and their impact on the planning and design of projects;
• Support zoning, ordinance and permit assessments, assists with the sidewalk cast estimations, and determines the feasibility of projects based on the analysis of collected data;
• Provide field inspection services, as needed;
• Apply knowledge and techniques of engineering and advanced mathematics;
• Collaborate with team members on project tasks and assignments; and
• Perform other duties as requested.

Qualifications

• Student actively pursuing a four year or advanced degree in Civil Engineering; Cumulative GPA of 3.0 or greater is preferred;
• Working knowledge of AutoCAD or Civil 3D, and Microsoft Office Suite applications;
• Excellent written and verbal communication skills;
• Strong attention to detail with excellent analytical, multitasking, and judgment capabilities; and
• Ability to effectively work independently and in a team environment.

Travel may be required based on business needs and project assignments. Travel requirements may vary by position and may change based on business needs.

Langan does not provide housing or relocation assistance for internship/co‑op positions.

Langan offers employee resource groups; flexible work schedules; extensive training; wellness programs; buddy and mentoring programs; and much more!

Langan is committed to providing equal employment opportunities to all qualified applicants and employees, including individuals with disabilities and protected veterans. We believe that an inclusive workplace is essential for the well‑being and success of our employees.

Certain US jurisdictions require Langan to include an estimate of salary or hourly ranges. Actual compensation may vary based on factors such as related work experience, location, market conditions, education/training, certifications and other credentials, as well as applicable knowledge and skills. Certain roles may be eligible for overtime and participation in the firm's annual bonus and performance review program. Bonuses are discretionary and based on individual job performance and the profitability of the firm. Employees are also eligible to receive up to 20 days of paid vacation time, 10 days of paid sick time and 10 paid holidays throughout the year. Eligibility and actual paid time off may vary based on local law and factors such as hours worked, related work experience and level.