Signal Systems Engineer

Founded in 1904, L.K. Comstock & Company LLC is one of the largest specialty electrical contractors for transit rail systems in the United States. With over 100 successful projects for more than 30 transit agencies and work valued at more than $3 billion, we bring a legacy of excellence to every project. As a subsidiary of RailWorks LLC, we maintain a national footprint, with installations across nearly all major U.S. transit systems.

Union Benefits – Local #3, IBEW (These benefits vest after 90 days of employment, with coverage applied retroactively to your start date upon successful completion of the introductory period.)

Local Union #3 Pension (after 5 years)

IBEW Pension (after 5 years)

NEBF (National Electrical Benefit Fund)

Medical, Dental, and Health Reimbursement coverage

Educational and Cultural Fund

Deferred salary and annuity fund plans

Social Security Payback

Paid sick leave, vacation, and bereavement (subject to contract negotiations)

Job ID:

19479

Compensation
Salary: $125,000 - $200,000 annually

Work Schedule: Monday-Friday (weekends if available)

Position Summary
The Signal Systems Engineer will support the design, implementation, and enhancement of train control and signaling systems for rail and transit infrastructure projects. This role involves collaborating with multidisciplinary engineering teams and clients to ensure signaling solutions meet safety standards, regulatory compliance, and operational goals.

Primary/Essential Responsibilities and Duties

Analyze, design, and commission fixed block and automatic block signaling systems, with emphasis on track circuit integration, interlocking logic, and grade crossing automation.

Assist in reviewing, modifying, and validating vital logic software to enhance system performance.

Develop functional and detailed signal system designs for both new and existing rail infrastructure, ensuring alignment with safety, operational efficiency, and regulatory requirements.

Implement and verify innovative signal control solutions tailored to complex transit environments.

Collaborate with cross-functional engineering and construction teams throughout the project lifecycle.

Conduct detailed technical analyses and documentation to support design, implementation, and testing activities.

Required Skills and Qualifications

Bachelor's degree in Electrical, Mechanical, or Systems Engineering (or equivalent experience/education)

5+ years of experience in rail transit signaling and train control systems (or equivalent experience/education)

In-depth knowledge of track circuit functionality and its role in train control and signaling

Experience in designing and implementing automatic block signaling systems

Strong understanding of signaling principles, including approach locking, time locking, and route locking

Familiar with interlocking signal operations and their integration with track circuits

Proven ability to design, test, and validate safety-critical signaling systems and logic control

Experience working with Vital Logic Software (VLS) or Vital Harmon Logic Controllers (VHLC), Relay-Based Interlockings, and Computer-Based and/or Solid-State Interlockings

Proficiency in AutoCAD design software

Familiar with CAD software such Bentley/MicroStation, REVIT, SolidWorks, or similar platforms

Experience modifying, testing, and commissioning railway signal control software

Experience with CTDOT, Metro-North, Amtrak, and MBTA projects

Knowledge of the Amtrak Northeast Corridor in New York City

Familiarity with project management and design workflow tools such as Microsoft Office Suite (Word, Excel, Outlook) and Procore

Familiar with design-build projects

Experience maintaining active train operations during construction

Effective communication skills and the ability to work collaboratively within a team

Highly organized with strong time management capabilities

Physical Requirements and Working Conditions

Physically able to navigate construction sites (standing, climbing, stooping, crouching)

Willingness to work outdoors and conduct field surveys

Comfortable in all weather conditions and high-noise environments

Works outdoors at construction sites and indoors

Frequently stands, walks, climbs, balances, stoops, and crouches while negotiating work areas under construction

Sits, reads, writes, and uses a keyboard

May be exposed to harsh weather conditions including very hot and very cold weather

May be exposed to loud noise

Recommended Certifications

Amtrak Track Training

CSX Track Training

MTA Track Training

OSHA 30

Footer - EEO
This job description is not intended to be an exhaustive list of all responsibilities, duties, or skills required for the position. Additional tasks may be assigned as business needs evolve.

At L.K. Comstock & Company LLC, we take pride in tackling challenging projects every day. Our success is built on a collaborative, open-minded work environment that fosters teamwork, positivity, and innovation. We are committed to maintaining a culture of trust, respect, and inclusion—where every team member is valued. We also offer opportunities for career advancement, skills development, and long-term professional growth.

L.K. Comstock & Company LLC is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, creed, sex, national origin, age, disability, marital status, sexual orientation, gender identity or expression, veteran status, or any other legally protected status.

RailWorks is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment with RailWorks without regard to an individual’s sex, race, religion, creed, color, national origin, sexual orientation, gender identity, marital status, age, disability, veteran status or other legally protected characteristics.

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