Sr. Designer - Traffic

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.

TYPICAL DAY

• 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.
• 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

• A high school diploma or technical school training in CAD, or equivalent experience.

REQUIRED QUALIFICATIONS

• 10+ years of CAD experience and 0–2 years of MicroStation ORD experience.
• Strong familiarity with TxDOT and Houston‑area traffic signal design criteria.
• Experience with Agi32, SignCAD/GuideSIGN, 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

• 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.