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Langan Engineering & Environmental Services

Senior Highway / Roadway Engineer

Doylestown, PA; Philadelphia, PA; Pittsburgh, PA
Level
Senior

Not stated in the posting: salary, work type, visa.

Open. First seen 3 October 2026.

About the role

Langan Engineering & Environmental Services's standard text

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 a Senior Staff Highway / Roadway Engineer to join its collaborative team in Doylestown, Philadelphia, or Bethlehem PA. This individual will serve a key function in the engineering design of highways, freeways and local roads for diversified transportation projects across the Northeast and across the country. In this role, you will have the opportunity to assist with the design and permitting of traffic/transportation engineering and infrastructure projects in a cross-disciplinary learning environment.

Job Responsibilities

  • Geometric designs of highways, freeways, and local roads using national and local codes;
  • Concept layout and preliminary design of roads;
  • Preparation of construction plans;
  • Preparation of Traffic Signalization drawings and plans;
  • Design of Americans with Disabilities Act (ADA) improvements;
  • Design of roadway corridors;
  • Design of roadway drainage networks and preparation of stormwater management plans;
  • Construction specifications review and estimating of costs and quantities;
  • Preparation of Maintenance and Protection of Traffic Plans (MPT);
  • Use engineering equipment and design software (AutoCAD Civil 3D, Guidesign, AutoTURN, etc.) to prepare engineering and design documents;
  • Secure all required permits from the appropriate authorities for various roadway projects;
  • Assist in overseeing project overal progress, budget, and milestones;
  • Complete ADA inspections of constructed facilities; and
  • Perform other duties as requested.

Qualifications

  • Bachelor's degree in Civil Engineering;
  • 3+ years of work-related experience;
  • PE or EIT certification working towards a PE (preferred);
  • Knowledge of AutoCAD, Civil 3D, and MS Office;
  • Famliar with PennDOT Standards and Specifications;
  • Excellent written and verbal communication skills;
  • Strong attention to detail with excellent analytical, multitasking, and judgment capabilities;
  • Ability to effectively work independently and in a team environment; and
  • Possess reliable transportation for client meetings and job site visits and a valid driver’s license in good standing.

Langan provides a rich array of programs and benefits to help its employees advance their careers and enhance the quality of their lives. Our comprehensive compensation package includes: full-time employment company paid medical, dental, and vision coverage; life insurance, short- and long-term disability insurance, and paid pregnancy disability leave; 401(k)/Roth with company match; paid time off including parental and military leave; employee referral and professional license bonuses; and educational reimbursement.

Langan Engineering & Environmental Services's standard text

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.

Please review our Applicant Privacy Notice at Collection to understand how we collect, use, and retain your personal information: https://www.langan.com/langan-notice-at-collection

What this role asks for

In most of Langan Engineering & Environmental Services's ads

AutoCAD

Named in most of its open postings, whatever the role.

61% of this description is written for the role. The rest is Langan Engineering & Environmental Services's standard text, folded away below.

Read against Langan Engineering & Environmental Services's other open postings on this site.

The team: Traffic HIRES STEADILY

This role is one of 25 open in Traffic. 7 were posted in the last 30 days and the oldest in July: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

AutoCAD (25 of 25)

OTHER ROLES ON THIS TEAM

From the team and dates on Langan Engineering & Environmental Services's own job board.

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