Principal Engineer, Roads & Highways

TYLin – About the Company

TYLin is a globally recognized, full-service infrastructure consulting firm committed to providing innovative, cost-effective, constructible designs for the global infrastructure market. With over 3,000 employees throughout the Americas, Asia, and Europe, the firm provides support on projects of varying size and complexity. Together, we enhance conventional designs with smarter, more resilient systems. We provide people with better mobility. We steward precious resources by finding more sustainable solutions.

Job Summary

The Principal Engineer will play a pivotal role in accelerating growth and strengthening TYLin’s Transportation practice across Southern California. This position combines client leadership, strategic pursuit, and hands-on project delivery excellence. Initial priorities include expanding and deepening relationships with LA Metro, Los Angeles County Public Works, and major cities and counties throughout Southern California—particularly in Orange County. The role will also support major program delivery, zero-emission initiatives, multi-market pursuits, alternative delivery strategies, and data-driven transportation solutions. Working in close partnership with Irvine office leadership and regional/national practice leaders, this position will help scale TYLin’s presence, revenue, and influence across the Southern California market.

Responsibilities & Qualifications

What You'll Lead

• Strategic Client Leadership & Market Growth: Serve as a senior relationship owner for LA Metro, Los Angeles County Public Works, and key Southern California cities and counties, including Orange County agencies
• Drive account growth strategies, including capture planning, executive engagement, and positioning for major pursuits
• Strengthen TYLin’s brand visibility through active leadership in WTS, ASCE, CMAA, and other industry organizations

Pursuit Strategy & Executive Positioning

• Serve on the Southern California leadership team providing strategic direction on go/no-go decisions, capture strategies, and executive positioning
• Lead or support highway-focused and multi-disciplinary pursuits in partnership with the existing highway design team and broader transportation practice
• Coordinate cross-market and alternative delivery pursuits, aligning local strategy with corporate growth objectives

Program & Project Delivery Excellence

• Serve as Project Manager on key roadway and transportation projects across Orange County and the greater Los Angeles region
• Lead and mentor internal design teams and subconsultants, ensuring quality, schedule adherence, profitability, and client satisfaction
• Provide strategic and hands-on support to active California programs to enhance delivery performance, margin, and follow-on opportunities

What You'll Bring

• Degree & Licensure: Bachelor's in Civil Engineering and active PE license in California
• Proven Experience: 20+ years leading, managing and delivering roadway projects, especially with Caltrans (District 4 and surrounding districts), LA Metro, LA County Public Work major Southern California cities and counties, including Orange County, SANDAG, TCA, SBCTA, RCTC, etc.
• Understanding of financial drivers, funding mechanisms, and business strategy related to transportation delivery, advanced education (MBA or similar), a plus
• Strong experience interfacing with diverse stakeholders, such as utility companies, cities and counties
• Deep familiarity with California design manuals, standards, and project development processes
• Experience in both Design-Bid-Build and Design-Build environments is a plus
• Excellent verbal, written, and presentation skills
• A proactive, relationship-driven mindset and commitment to high-quality, innovative solutions
• You lead with integrity and thrive in team-oriented, cross-functional settings

Additional Information

TYLin is committed to pay equity. As part of that commitment, we have provided the base compensation range of $168,000 - $247,400 annually for this position and local market. We recognize that each candidate brings a unique set of skills, experience, education and competencies to the table that will be reflected in our offer.

TYLin is proud to offer exciting career development opportunities. #LI-Hybrid TYLin offers a comprehensive total rewards package. Our benefits may include extensive medical, disability and life insurance coverage, continuing education benefits, paid time off, employee assistance program and a retirement savings plan with company matching contributions. We encourage all candidates to explore our total rewards offering.

Collaboration, mission-driven focus, discipline, and leadership skills developed through military service benefit us all.

Whether you are a Veteran, Guardsman or Reservist, a Military Spouse or you are planning to transition to civilian life in the near future, we welcome and value your application.

TYLin is an equal opportunity employer, and we prohibit discrimination and harassment of any type as protected by federal, provincial, state or local laws.

We celebrate diversity and are committed to creating an inclusive environment for all employees.

The company and its employees are required to comply with all local health authority, legal or lawful client requirements.

Global Infrastructure Division

The Global Infrastructure team, including TYLin, Introba, Landrum & Brown form the Infrastructure division of Sidara. Sidara is a leading, privately-owned professional services group with a diverse history and a global presence. Sidara world-class planning, design, engineering, and project management firms are dedicated to achieving our clients’ ambitions and supporting sustainable communities worldwide. The Global Infrastructure division is comprised of 5,000 people operating in 21 countries.

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