Project Engineer - Traffic

LJA Engineering, Inc.; Jacksonville (FL); Hybrid; USD 85,000 - 125,000; Full time

Benefits offered by this job

PTO

Paid holidays

Health benefits

Tuition reimbursement

Referral bonuses

Volunteer days

Professional development

Career growth

Fun culture

Job summary

LJA Transportation offers a Project Engineer role focused on leading and supporting traffic engineering projects, from signal design to corridor analyses. You will collaborate with senior leaders, mentor junior staff, and contribute to client engagement and technical delivery.

The ideal candidate brings 5+ years in traffic engineering, a PE license (FL preferred), and proficiency with Synchro, HCS, VISSIM, and SIDRA, plus strong writing and communication skills.

Qualifications

• Bachelor’s degree in Civil Engineering or related field (Master’s preferred).
• Professional Engineer (PE) license required (Florida PE preferred).
• PTOE Certification (preferred).
• 5+ years of experience in traffic engineering or transportation planning.
• Proficiency in traffic analysis software (e.g., Synchro, HCS, VISSIM, SIDRA) and Microsoft Office Suite.

Responsibilities

• Designs and develops traffic signal plans including signal layouts, phasing, timing, and coordination to ensure safe and efficient movement of vehicles, pedestrians, and cyclists.
• Lead and manage traffic engineering projects including traffic impact analyses, signal timing studies, and operational assessments.
• Develop and review traffic models using Synchro, HCS, VISSIM, and other industry‑standard tools.
• Prepare technical reports, plans, and presentations for clients, agencies, and stakeholders.
• Coordinate with multidisciplinary teams, including planners, roadway engineers, and environmental specialists.
• Ensure compliance with local, state (including FDOT), and federal standards and guidelines.
• Mentor junior engineers and analysts, providing technical guidance and quality assurance.
• Support proposal development and client relationship management.

Skills

Traffic engineering

Project management

Client engagement

Communication

Mentoring

Education

Bachelor’s degree in Civil Engineering

Master’s degree preferred

Tools

Synchro

HCS

VISSIM

SIDRA

Microsoft Office

Job description

Jacksonville, FL
4800 Deerwood Campus Pkwy Bldg 300
Suite 500
Jacksonville, FL 32246, USA

Jacksonville, FL
4800 Deerwood Campus Pkwy Bldg 300
Suite 500
Jacksonville, FL 32246, USA

LJA is offering an exciting opportunity that will allow you to reach your full career potential. The structure of our organization is designed to amplify your capabilities while gaining the benefits of being an employee-owner. What truly sets this opportunity apart is the chance to collaborate every day with dedicated, skilled, and supportive leaders. Whether you are in the office, in the field, or behind the scenes, working at LJA gives you the chance to grow through hands‑on experience and exposure to a broad range of clients and services.

WHAT MAKES LJA DIFFERENT

At LJA, our employee‑owners take pride in their work and their workplace. We’re guided by leaders who foster a culture of respect, collaboration and a shared vision of success. Our difference is evident in the experiences and opportunities we provide:

• Employee-owned. Client-focused
• Employee Stock Ownership Plan (ESOP)
• Consistently ranked as a Top Workplace
• Internal recruitment team, in‑house training, and a marketing department specific to our industry
• We celebrate flexibility, allowing every team and office to lead with their proven approach
• Our culture champions continuous learning and personal growth
• We believe success comes through constant evolution and communication
• We are passionate about having fun and making money, all while creating impact

POSITION OVERVIEW

As a Project Engineer at LJA Transportation, you will be responsible for leading and supporting a variety of traffic engineering projects, from traffic impact studies and signal design to corridor analyses and safety evaluations. You’ll work closely with senior leadership, mentor junior staff, and contribute to both technical delivery and client engagement.

A TYPICAL DAY MIGHT INCLUDE

• Designs and develops traffic signal plans including signal layouts, phasing, timing, and coordination to ensure safe and efficient movement of vehicles, pedestrians, and cyclists
• Lead and manage traffic engineering projects including traffic impact analyses, signal timing studies, and operational assessments
• Develop and review traffic models using Synchro, HCS, VISSIM, and other industry‑standard tools
• Prepare technical reports, plans, and presentations for clients, agencies, and stakeholders
• Coordinate with multidisciplinary teams, including planners, roadway engineers, and environmental specialists
• Ensure compliance with local, state (including FDOT), and federal standards and guidelines
• Mentor junior engineers and analysts, providing technical guidance and quality assurance
• Support proposal development and client relationship management

REQUIRED EDUCATION/LICENSE/CERTIFICATIONS

• Bachelor’s degree in Civil Engineering or related field (Master’s preferred).
• Professional Engineer (PE) license required(Florida PE preferred).
• PTOE Certification (preferred)

REQUIRED QUALIFICATIONS

• 5+ years of experiencein traffic engineering or transportation planning.
• Proficiency in traffic analysis software (e.g., Synchro, HCS, VISSIM, SIDRA) and Microsoft Office Suite.
• Strong technical writing, communication, and project management skills.
• Experience working with public agencies, especially in Florida.
• Ability to build strong relationships

IDEALLY, YOU SHOULD ALSO HAVE

• Experience with FDOT projects, including familiarity with FDOT’s Traffic Engineering Manual (TEM), Plans Preparation Manual (PPM), and project delivery processes.
• Prior involvement in preparing or reviewing FDOT traffic studies, signal warrant analyses, or safety assessments.
• Knowledge of Florida‑specific traffic regulations and permitting processes.

LEVEL UP WITH LJA

At LJA, we’re 100% employee‑owned. This drives results, rewards ambition and supports long‑term success for every team member. With almost 100 locations and 3,000+ employee‑owners (and growing), we’re building something big! We want you to be part of it. Your future grows here.

• Generous Time Off: PTO, paid holidays, and a full office closure between Christmas and New Year’s.
• Comprehensive Benefits: Multiple plan options for health, dental, and pets. Along with mental health support.
• Family Support: Paid maternity and parental leave to help you focus on what matters most.
• Education Support: Tuition reimbursement and in‑house courses provided by our Learning and Development team.
• Referral Bonuses: Know great talent? Get rewarded for helping us grow.
• Community Impact: Company‑sponsored volunteer days and philanthropic initiatives.
• Professional Development: Memberships to industry organizations to keep you connected and growing.
• Career Growth: Great internal mobility opportunities to advance your career.
• Fun Culture: LJA social events, employee sports teams, bring your kid to work day, etc.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws.For further information, please review the Know Your Rights notice from the Department of Labor.