Traffic Sr. Engineering Associate

About Us

Larson Design Group (LDG) is an award-winning, employee-owned Architecture, Engineering, and Consulting Firm. Guided by our core values, we’re expanding our team, opening new offices, and adding new offerings to provide responsive, innovative solutions to clients nationwide.

Being 100% employee-owned directly impacts our culture: it drives our decision-making, motivates our teams, increases our productivity, improves retention, and contributes to the future success of our company. Our culture is one where we work hard for our clients and for each other – and we have fun collaborating, sharing experience and expertise, and learning along the way. We’re passionate about delivering exceptional quality, elevating client relationships, enriching the careers and lives of our employee owners, and enhancing the communities where we live and serve.

At LDG, we strive to create an organization where people want to work. We offer a flexible work environment, paid training for required licensures, competitive benefits, bonus plans, and a company-funded Employee Stock Ownership Plan (ESOP) while supporting your professional and personal growth.

Your Opportunity + Impact

As a Traffic Engineer Associate, you will support the planning, analysis, and design of transportation infrastructure with a focus on traffic operations and safety. You will work as part of a multidisciplinary team to assist in the development of Traffic Impact Studies, signal and signing plans, pavement marking layouts, and other traffic engineering deliverables. This position requires an Engineer-in-Training (EIT) certification and foundational experience applying engineering principles to real-world projects. Under the guidance of senior engineers, you will contribute to technical analyses, design calculations, report preparation, concept development and design, and project coordination efforts across departments. Additionally, you will assist in providing planning, data analytics, and technical support services to state planning partners, municipalities, and other public agencies. This role offers opportunities to grow your professional skills and work toward PE licensure.

Key Responsibilities

• Assist senior staff in preparing Traffic Impact Studies, Transportation Assessments, corridor and multimodal planning efforts, alternatives analyses, Signal Warrants, and other traffic engineering analyses and reports.
• Support the development and review of conceptual and final designs for traffic signals, signing and pavement marking, and traffic control plans in accordance with PennDOT, AASHTO, and MUTCD standards.
• Conduct and lead traffic data collection efforts, including traffic counts, turning movement counts, and speed studies, ensuring accurate data for analysis and design.
• Analyze crash data and contribute to safety countermeasure recommendations following PennDOT guidance and the Highway Safety Manual (HSM).
• Perform and review design calculations, technical specifications, cost estimates, and plan drawings to ensure accuracy and compliance with project requirements.
• Draft and review technical reports, correspondence, and client deliverables that clearly communicate analysis results and design recommendations.
• Review submittals, coordinate project submissions, and assist with meeting deadlines and client expectations.
• Conduct field inspections and support site visits to verify compliance with design specifications and project progress.
• Research, interpret, and apply relevant regulations, codes, and permit standards to project work.
• Maintain organized project documentation and support quality assurance/quality control processes to enhance deliverable quality and reduce errors.
• Collaborate effectively across LDG departments and multidisciplinary teams to support project delivery within assigned budgets and schedules.

Education and Experience

• Bachelor’s or Master’s degree in Civil Engineering or a related field from an ABET-accredited program.
• Minimum of two (2) years of experience in traffic engineering or transportation design, with a solid understanding of PennDOT, AASHTO, and the Highway Capacity Manual (HCM) specifications, standards, and procedures.
• Engineer-in-Training (EIT) certification required.
• Proficiency in traffic analysis software such as Synchro/SimTraffic, HCS, and VISSIM, along with strong skills in Microsoft Office applications including Excel, Word, PowerPoint, and Outlook.

Preferred Qualifications

• Proven ability to deliver high-quality work on time and within budget while managing multiple tasks and priorities efficiently.
• Excellent written and verbal communication skills, enabling effective collaboration across multidisciplinary teams and strong engagement with clients and stakeholders.
• Self-motivated and highly organized, with the ability to work independently and as an integral part of a team.
• Strong commitment to professional development and a desire to continuously expand knowledge and take on new responsibilities.
• Familiarity with PennDOT policies and procedures, including DM-2, DM-3, TIS Guidelines, ECMS, and design standards from AASHTO and the MUTCD.

EEO Statement

Larson Design Group, Inc. is an Affirmative Action and Equal Opportunity Employer (EEO) that is committed to diversity and inclusion in the workplace. We prohibit discrimination and harassment of any kind based on race, color, sex, religion, sexual orientation, national origin, disability, genetic information, pregnancy, or any other protected characteristic as outlined by federal, state, or local laws. This policy applies to all employment practices within our organization.