Senior Signal Systems Engineer

Company Description

Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.

There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

Job Description

AECOM is actively seeking a Signal Systems Engineer to join our World Class Rail Team in our Boston, MA office. The candidate shall use their experience in the design and implementation of the following train control systems to include: Communication Based Train Control (CBTC), Positive Train Control (PTC), Automatic Train Supervision (ATS), Automatic Train Protection (ATP), Automatic Train Operation (ATO), Solid State Interlocking (SSI), Cab Signaling, Digital Tack Circuit Systems and conventional block signaling systems. This candidate will support transit and rail projects, including the design, implementation, and modification of train control and signaling systems. This position requires expertise in signal engineering, systems integration, and safety-critical applications for freight and or passenger rail operations. The selected candidate will work with engineering teams, clients, and stakeholders to ensure the successful deployment of signaling solutions in compliance with industry regulations and safety standards.

The role involves analyzing, designing, and commissioning fixed-block and automatic block signaling systems, with an emphasis on track circuit integration, interlocking logic, and grade crossing automation. The candidate will also assist in reviewing and modifying vital logic software for system enhancements.

The selected candidate will work with internal design teams and client personnel to develop functional and detailed designs for new and existing signal systems, ensuring safety, operational efficiency, and regulatory compliance.

In this role, you'll have the opportunity to develop, implement, and validate innovative signaling solutions for intricate rail systems. As a detail-oriented professional, you'll collaborate with multidisciplinary teams, perform technical analyses, and play a crucial role in the successful completion of railway infrastructure projects. This exciting challenge offers the chance to contribute to the future of rail transportation.

Daily duties and responsibilities include:

• Vital and non-vital processor programming
• Developing Control Lines and Route and Aspect Charts
• Develop and review design plans and technical specifications
• Coordination of project designs with other disciplines including attendance at project meetings
• Review shop drawings, record changes and communicate directly with suppliers, contractors and client representatives as required
• Prepare construction estimates and engineering budgets

Qualifications

Minimum Requirements:

• Bachelors degree in Electrical Engineering, Mechanical Engineering, Systems Engineering, or related field plus 6 years of experience  or demonstrated equivalency of experience and/or education
• 5 years in rail transit signaling and train control systems
• Knowledge and experience with track circuit requirements and their role in train control and signal operation
• Experience with automatic block signal systems, including their design and implementation
• Understanding and experience of approach, time, and route locking principles in railway signaling

Preferred Qualifications:

• Master’s degree in a relevant engineering discipline
• 10 years of experience in transit or freight rail signaling and train control projects
• Understanding and experience of approach, time, and route locking principles in railway signaling
• Experience and familiarity with cab and interlocking signal operation, including their interface with track circuits
• Experience and ability to work with safety-critical signaling systems, including the design and validation of signal indications and control logic
• Experience working with Vital Logic Software (VLS) or Vital Harmon Logic Controllers (VHLC)
• Experience with Relay Based Interlockings
• Experience with Computer Based Interlockings and/or Solid State Interlockings
• Proficiency and experience in AutoCAD, MicroStation, or equivalent design tools
• Experience in modifying, testing, and commissioning railway signal control software
• Prior experience with onboard train control systems and speed code generation
• Knowledge of CBTC (Communication-Based Train Control) and integration with fixed-block systems
• Experience working in a Brownfield environment with Signaling and Train Control upgrades
• Experience with Control Center workstation requirements definition and upgrade of Control Center supervision systems together with the Signaling and Train Control System upgrade
• Experience in grade crossing warning systems and their automation
• Experience with automatic block signaling and interlocking systems
• Professional Engineer (PE) or INCOSE CSEP/ESEP is a plus

Additional Information

• Relocation assistance is not available for this role
• Sponsorship is available for this role

About AECOM 

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. 

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2024. Learn more at aecom.com. 

What makes AECOM a great place to work 

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community—where you have the freedom to grow in a world of opportunity. 

As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.