Sr. Designer - Traffic

Houston, TX (3600)
3600 W Sam Houston Pkwy S
Suite 600
Houston, TX 77042, 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 Sr. Designer at LJA Transportation
, you will be responsible for providing drafting support for traffic engineering projects using CAD software and requires strong technical accuracy, attention to detail, and familiarity with TxDOT standards.

A TYPICAL DAY MIGHT INCLUDE:

• Developing technical signal design plans that meet TxDOT requirements.
• Producing CAD deliverables for traffic signals, ITS, illumination, utilities, and related disciplines.
• Preparing elevation sheets, voltage drop calculations, and quantity summaries.
• Supporting engineers with design calculations and cost estimates.
• Collaborating with team members to solve problems and meet client needs.
• Produce high‑quality CAD drawings for traffic signal design, ITS, illumination, signing, and pavement marking projects.
• Create and modify maps, plan and profile sheets, and CAD exhibits.
• Complete redline markups and work from sketches, notes, and verbal instructions.
• Maintain project schedules and provide progress updates.
• Stay current with traffic signal design standards and drafting procedures.
• Support engineers with design calculations, quantity take‑offs, and preparation of summary tables.
• Review standard construction materials and apply appropriate specifications.
• Apply general mathematical skills to standard design formulas.

REQUIRED EDUCATION/LICENSE/

CERTIFICATIONS:

• High school diploma or technical school training in CAD, or equivalent experience

REQUIRED QUALIFICATIONS:

• 10+ years of CAD experience and 0–2 years of Micro Station ORD experience.
• Strong familiarity with TxDOT and Houston‑area traffic signal design criteria.
• Experience with Agi
  32, SignCAD/Guide
  
  SIGN, and related tools.

IDEALLY, YOU SHOULD ALSO HAVE:

• Effective written and verbal communication skills.
• Strong interpersonal skills and ability to adapt to shifting project needs.

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.