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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. 

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Average salary estimate

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What You Should Know About Signal Systems Engineer, AECOM

At AECOM, we are thrilled to invite a talented Signal Systems Engineer to join our esteemed World Class Rail Team in Boston, MA. If you have a knack for train control systems, including Communication Based Train Control (CBTC) and Positive Train Control (PTC), this is your chance to make a significant impact in the world of rail transit. In this role, you’ll dive deep into the design and implementation of signaling solutions while collaborating with engineering teams and stakeholders to push the envelope. Your skills in analyzing, designing, and commissioning automatic block signaling systems will be invaluable as you work on pivotal transit and rail projects. You'll have the chance to develop innovative signaling solutions, participate in project meetings, and engage with all aspects of project design. With a focus on safety-critical applications, you'll ensure that every solution meets industry regulations and operational efficiency standards. You’ll be responsible for programming vital and non-vital processors, creating control lines and aspect charts, and reviewing technical specifications, all while working in a dynamic and inclusive environment. This position isn't just about technical skill; it's about harnessing your creativity and passion for engineering to shape the future of rail transportation. So, if you're ready to embrace new challenges and work with a global team of professionals committed to delivering a better world, consider joining AECOM as our next Signal Systems Engineer. Your journey towards an exciting and impactful career starts here.

Frequently Asked Questions (FAQs) for Signal Systems Engineer Role at AECOM
What are the main responsibilities of a Signal Systems Engineer at AECOM?

As a Signal Systems Engineer at AECOM, your key responsibilities include designing and implementing train control systems such as CBTC and PTC, supporting transit and rail projects, programming vital processors, and reviewing design plans. You will be collaborating with engineering teams, ensuring compliance with industry regulations and safety standards, and engaging in project meetings for coordination with other disciplines.

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What qualifications are required to become a Signal Systems Engineer at AECOM?

To be considered for the Signal Systems Engineer position at AECOM, candidates should have at least a Bachelor's degree in Electrical, Mechanical, or Systems Engineering coupled with 6 years of relevant experience. A minimum of 5 years in rail transit signaling and train control systems is also required, along with knowledge of track circuit requirements and experience working with automatic block signaling systems.

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What software tools will a Signal Systems Engineer at AECOM need to be proficient in?

Signal Systems Engineers at AECOM must be proficient in design tools such as AutoCAD and MicroStation. Additionally, familiarity with Vital Logic Software (VLS) or Vital Harmon Logic Controllers (VHLC) is beneficial for those looking to excel in railway signal control system environments.

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What kind of projects will a Signal Systems Engineer work on at AECOM?

In the role of Signal Systems Engineer at AECOM, you will work on a diverse range of rail transit and signaling projects, which include designing and implementing automatic signaling systems, developing control lines, and improving existing signal configurations. You will play a vital role in projects that enhance rail safety and operational efficiency.

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What growth opportunities are available for a Signal Systems Engineer at AECOM?

AECOM offers numerous growth opportunities for its Signal Systems Engineers, including access to award-winning training and development programs aimed at expanding both technical skills and leadership capabilities. You'll be part of a global team that champions your career ambitions, work on transformative projects, and gain valuable experience that will significantly enhance your career.

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Common Interview Questions for Signal Systems Engineer
Can you explain your experience with Communication Based Train Control (CBTC) systems?

When answering this question, provide specific examples of projects or systems you've worked on that involved CBTC. Highlight your role in designing, implementing, and testing these systems, and discuss any challenges you faced and how you overcame them.

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What safety-critical applications have you worked with in the rail industry?

Discuss your experience with safety-critical applications such as Automatic Train Supervision (ATS) and Automatic Train Protection (ATP). Be prepared to explain how these systems ensure safety in rail operations and share any specific incidents where you had to troubleshoot or enhance these systems.

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How do you ensure compliance with industry regulations in your projects?

Your answer should reflect your familiarity with regulatory standards in the rail industry. Discuss your process for reviewing designs, implementing regulations during project development, and working with clients and teams to meet safety and operational standards.

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Describe a project where you had to collaborate with multiple disciplines.

Share a specific example where interdisciplinary collaboration was essential. Talk about the project objectives, your role, and how you facilitated communication and design integration among the different engineering teams to achieve project success.

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What is your experience with programming vital and non-vital processors?

Discuss specific experiences where you programmed processors for signaling systems. Highlight the software and tools you utilized, as well as any challenges faced in ensuring functionality and safety.

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How do you approach technical analyses in signaling projects?

Describe your methodology for conducting thorough technical analyses, including the tools you use, how you gather data, and how you interpret results to drive design decisions in signaling systems.

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Explain your understanding of approach, time, and route locking principles.

Demonstrate your technical knowledge by explaining these locking principles clearly, using real-world applications or examples from previous projects to illustrate your understanding.

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What role does AutoCAD play in your project execution?

Share your experience with AutoCAD and how it's utilized in your design process. Discuss specific examples of design tasks you've completed using AutoCAD in relation to signaling systems.

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How do you handle design modifications during a project?

Illustrate your process for managing design modifications, including communication with stakeholders and team members, documentation of changes, and methods for ensuring continued compliance with safety and operational standards.

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What motivates you to work in rail transit signaling?

Share your passion for rail transit signaling and how it aligns with your career goals. Discuss the impact that effective signaling systems have on transportation efficiency and safety, reinforcing your enthusiasm for the field.

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As the world’s trusted infrastructure consulting firm, we’re committed to managing our business with the utmost responsibility and to always strive for better – whether by reducing emissions, creating social value or diversifying our senior leader...

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DATE POSTED
April 16, 2025

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