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Senior Traffic Engineer - Highway / Roadway

Langan

Austin, TX · Posted July 29, 2026

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About the job

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 Highway / Roadway Engineer to join its collaborative team in Austin, Texas . This individual will serve a key function in the engineering design of highways, freeways and local roads for diversified transportation projects across the Southeast 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 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;

Complete ADA inspections of constructed facilities; and

Perform other duties as requested.

Qualifications

Bachelor's degree in Civil Engineering;

4+ years of work-related experience;

EIT certification, PE preferred;

Knowledge of AutoCAD and MS Office;

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 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