Positive Train Control Systems Engineer

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AECOM is actively seeking a Positive Train Control Systems Engineer for immediate employment in LA, CA, or Ontario, CA.

The responsibilities of this position include, but are not limited to:

• Provide full-time on-site support in Pomona, CA, overseeing the maintenance, testing, enhancement, and rehabilitation of a railroad client’s train control network systems and ensure it is maintained in a state of good repair.
• Demonstrate familiarity with PTC systems including but not limited to Back Office Server, Mobile Device Manager, ITCM, wayside systems and onboard systems.

• Ensure the incorporation and application of railroad operating practices and policies into the Train Control Environment including CAD, PTC, and other systems provided for the safe and efficient operation of the railroad.

• Understand train control, signal and communication configuration management practices, and regulatory record keeping. Maintain accurate records, prepare correspondence and periodic reports.

• Ensure compliance with all PTC Backoffice systems and related configuration management procedures.

• Oversee and coordinate contracted activities including maintenance and modification of Train Control systems; ensure compliance with contract guidelines.

• Review and analyze user requirements, procedures, and training needs to achieve optimal efficiency in workflow.

• Assess operating practices and governing operations and assure Train Control, PTC, Signal Communications and Network Control Systems reflect industry’s best practices.

• Participate in quality control efforts and in developing processes to move newly released software functionality from test and quality control into the production environment.

• Create testing documentation and procedures for validation of system components and demonstrate such procedures to FRA representatives.

• Flexible work environment including occasional night and weekend duty assignments.

• Respond to periodic emergency situations and provide on-call assistance and service when necessary.

• Participate in rotating weekend "on-call" duty, in coordination with other members of the department.

• Participate in a hierarchy of change control meetings and work closely with multiple disciplines, host and tenant railroads, designers, vendors, consultants, and contractors.

•  Comply with all applicable requirements of 49 CFR Parts 245 and 246, including any certification, training, and conduct standards relevant to this scope.

Minimum Requirements 

• BA/BS + 4 years of relevant experience or demonstrated equivalency of experience and/or education.
• Must be General Code of Operating Rules (GCOR) qualified or can become GCOR qualified within the first year of employment.

• Valid Class C Driver’s license with a satisfactory driving record of no more than three moving violations and no DUI’s within the last three years.

Preferred Qualifications 

• Bachelor’s Degree in Computer Science, Electrical or Mechanical Engineering, Civil Engineering, Systems Engineering, Communication Systems or a minimum of 4 years of work experience in an active freight or commuter railroad GCOR/FRA regulated environment supporting train control systems, train system operations, signal, and communication back-office support in a related train control center, or equivalent experience working for a vendor or contractor maintaining FRA/GCOR regulated train control systems.
• Familiarity with PTC architecture including back-office components, wayside and onboard.

• Understanding of FRA regulations including but not limited to 49 CFR Part 219, 236, 243, 246 and other railroad safety standards.

• Knowledge of cybersecurity best practices for Operational Technology (OT) systems.

• Proficiency in SQL databases, Linux/Unix environments, and scripting for automation.

• Strong technical writing skills for documenting system changes, troubleshooting procedures, and compliance reporting.

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 2025. 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.