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 TYLin is seeking a highly experienced Senior Signals Engineer to support the planning, design, and delivery of complex rail and transit signal systems across commuter rail, light rail, and high-speed rail projects. This role will lead signal engineering efforts from concept through commissioning, with responsibility for developing robust, safe, and efficient train control and signaling solutions in multi-disciplinary project environments. Responsibilities & Qualifications What You’ll Do: - Lead the design and engineering of rail signal systems, including interlockings, cab signaling, CBTC/PTC systems, and grade crossing warning systems - Develop and review signal circuit designs, control lines, route & aspect charts, and cable plans - Serve as Engineer of Record and/or technical lead on major signal projects - Produce and oversee preparation of construction documents (plans, specifications, cost estimates, and schedules) - Perform design reviews, circuit checking, and quality assurance of signal deliverables - Support installation, testing, commissioning, and system cutovers, including field coordination - Interface with clients, operations teams, and multidisciplinary stakeholders to define system requirements - Contribute to proposals, technical specifications, and procurement support, including bid evaluations and shop drawing reviews - Provide mentorship and technical guidance to junior engineers and designers What You’ll Bring: - Extensive experience in rail signal and train control system design across transit and commuter rail environments - Strong expertise in: - Microprocessor and relay-based interlockings - Cab signal systems and communications-based train control (CBTC/PTC) - Grade crossing design and train detection systems - Proven ability to deliver full lifecycle signal engineering, from conceptual design through commissioning - Experience preparing contract documents and supporting construction-phase activities - Familiarity with FRA, AREMA, and transit agency standards (e.g., SEPTA, Amtrak, TTC, etc.) - Demonstrated leadership in technical delivery and multidisciplinary coordination Preferred Experience: - Experience with yard signal systems, high-speed rail corridors, and complex interlocking modifications - Background supporting state-of-good-repair programs, system upgrades, and rehabilitation projects - Prior experience in design-build and traditional delivery models Additional Information We believe in recognizing the unique value that each individual brings to our team. As such, the job title and ultimate compensation for this role will be thoughtfully aligned with the depth of your experience, the breadth of your skills, and the genuine enthusiasm you bring to the position. We are committed to fostering an environment where your contributions are both acknowledged and rewarded appropriately. Join us in shaping a rewarding future together! #LI-DNP 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.

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