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Signal Maintainer Jobs in Colorado (NOW HIRING)

City of Aurora

Traffic Signals Tech I-III

Aurora, CO · On-site

$29.50 - $36.87/hr

Assists in performing skilled maintenance and construction tasks including the installation and testing of traffic signal control equipment. * Operates diagnostic equipment. * Maintains various ...

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Signal Maintainer information

See Colorado salary details

$26.3K

$77.7K

$139.9K

How much do signal maintainer jobs pay per year?

As of Aug 8, 2026, the average yearly pay for signal maintainer in Colorado is $77,653.00, according to ZipRecruiter salary data. Most workers in this role earn between $57,800.00 and $94,600.00 per year, depending on experience, location, and employer.

How long is signal maintainer training?

Signal maintainer training typically lasts several weeks to a few months, depending on the employer and the complexity of the signaling systems. The training includes classroom instruction, hands-on practice, and safety procedures, often followed by on-the-job experience. Certification or licensing may be required for certain tasks within the role.

What are the key skills and qualifications needed to thrive as a signal maintainer?

To thrive as a Signal Maintainer, you need a solid understanding of electrical systems, electronics, and troubleshooting, often supported by a high school diploma or technical training in electronics. Experience with railway signal systems, diagnostic tools, and safety protocols—sometimes complemented by certifications like FRA compliance—are typically required. Attention to detail, problem-solving abilities, and effective communication are important soft skills for this role. These competencies ensure safe and reliable railway operations by minimizing equipment failures and maintaining proper signaling systems.

What is a signal maintainer?

Signal Maintainers are specialized technicians responsible for installing, inspecting, maintaining, and repairing the signaling systems used in railways and transit systems. Their work ensures that signals, switches, and related equipment function safely and efficiently to prevent accidents and keep trains running on schedule. Signal Maintainers often work outdoors in various weather conditions and may be required to respond to emergencies or perform scheduled maintenance during off-hours. Their role is crucial for the safety and reliability of rail transportation.

What are some common challenges signal maintainers face when working on railway infrastructure?

Signal Maintainers often work in outdoor environments and must handle adverse weather conditions, complex equipment, and tight deadlines to minimize rail service disruptions. Troubleshooting and repairing signal failures require strong attention to detail and adherence to strict safety protocols. Additionally, collaboration with train dispatchers, engineers, and other maintenance crews is essential for coordinating safe and efficient rail operations. Flexibility with shift work, including nights and weekends, is also a typical aspect of the role.
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Signal Maintainer jobs near you
Infographic showing various Signal Maintainer job openings in Colorado as of August 2026, with employment types broken down into 87% Full Time, 10% Part Time, and 3% Contract. Highlights an 84% Physical, 3% Hybrid, and 13% Remote job distribution, with an average salary of $77,653 per year, or $37.3 per hour.

Digital Signal/Image Processing Engineer III

Lockheed Martin Corporation

Littleton, CO

Full-time

Re-posted 21 days ago

Lockheed Martin rating

8.2

Company rating: 8.2 out of 10

Based on 391 frontline employees who took The Breakroom Quiz

38th of 72 rated aerospace companies

Job description

The Silicon Solutions team of Lockheed Martin Space is building the best SOC team in the world and are seeking a highly talented and strategically-thinking leader who has a passion for technology, project management and people.
Location: This position does not support teleworking; you will be located near our Lockheed Martin Space facility in: Littleton CO and be expected to work a flexible 9x80 schedule in the office full-time.

What does this role look like?
We are looking for a Signal Processing Engineer who has a background in Signal Processing algorithm development.

Key activities you will accomplish in this role:
As a Signal Processing Engineer, you will:
Design, develop, and verifycomplex DSP blocks (mixers, re-samplers, channelizers, DUC/DDC, etc.) on embedded processors, ASICs, FPGAs, and Versal/Polarfire SOCs.
Serve as the technical authority for signal processing architecture, ensuring each block meets performance, power, and latency targets while satisfying overall system requirements.
Influence project planning, schedule, cost, and quality through technical risk assessment and mitigation.
Act as the primary technical liaison for multiple programs, translating high level mission needs into concrete signal processing implementations.

To be effective in this role, you will need:
Proven experience designing, debugging, and verifying digital signal processing algorithms.
While no clearance is needed to start in this position, you will need to obtain and maintain a DoD Top Secret clearance, thus US Citizenship is required.

Why Lockheed Martin?
Our employees play an active role in strengthening the quality of life where we live and work by volunteering more than 850,000 hours annually.
Learn more about Lockheed Martin's comprehensive benefits package.
Find out more on how we proudly support Hiring Our Heroes.
At Space we value your skills, training, and education. We believe that by applying the highest standards of business ethics and visionary thinking, everything is within our reach - and yours as a Lockheed Martin Space employee... join us to experience your future!
Let's do Space!

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About Lockheed Martin

Sourced by ZipRecruiter

As a global security and aerospace company, the majority of Lockheed Martin's business is with the U.S. Department of Defense and U.S. federal government agencies.The remaining portion of Lockheed Martin's business is comprised of international government and commercial sales of products, services and platforms.

Industry

Manufacturing

Company size

10,000+ Employees

Headquarters location

Bethesda, MD, US

Year founded

1912

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