1

Junior Rails Developer Jobs in Pennsylvania (NOW HIRING)

... Engineering (ATE) Division designs, develops, manufactures, and supports advanced technology inspection systems for national and international railway markets. We are currently seeking a Junior ...

... Engineering (ATE) Division designs, develops, manufactures, and supports advanced technology inspection systems for national and international railway markets. We are currently seeking a Junior ...

ENSCO's Applied Technology and Engineering (ATE) Division designs, develops, manufactures, and ... Occasional assignments conducting railroad track inspection operations may be performed. Update and ...

Sr. Rail Bridge Engineer

Philadelphia, PA · On-site

$141K - $170K/yr

GFT is seeking a Sr. Rail Bridge Engineer to join our Transportation Team in either our Marlton, NJ ... Mentor junior engineers and collaborate with other team members across varied disciplines to meet ...

... and engineering support as required. * Provide direction and monitor the work of junior staff ... Hands-on engineering work within the light rail, subway, and commuter rail environment including ...

... and engineering support as required. * Provide direction and monitor the work of junior staff ... Hands-on engineering work within the light rail, subway, and commuter rail environment including ...

... and engineering support as required. * Provide direction and monitor the work of junior staff ... Hands-on engineering work within the light rail, subway, and commuter rail environment including ...

... and engineering support as required. * Provide direction and monitor the work of junior staff ... Hands-on engineering work within the light rail, subway, and commuter rail environment including ...

Senior Vehicle Engineer

Ambler, PA · On-site

$100.50K - $138K/yr

HATCH is currently seeking a highly motivated Senior Rail Vehicle Engineer to join our North ... Provide direction and monitor the work of junior staff. * Serve as a technical mentor and help ...

Senior Vehicle Engineer

Ambler, PA · On-site

$100.50K - $138K/yr

HATCH is currently seeking a highly motivated Senior Rail Vehicle Engineer to join our North ... Provide direction and monitor the work of junior staff. * Serve as a technical mentor and help ...

Senior Vehicle Engineer

Ambler, PA

$100.50K - $138K/yr

HATCH is currently seeking a highly motivated Senior Rail Vehicle Engineer to join our North ... Provide direction and monitor the work of junior staff. * Serve as a technical mentor and help ...

Compensation $65000 -$75000 / year Position Summary The Jr. Project Engineer will provide support ... RailWorks is North America's leading rail maintenance and infrastructure solutions provider. With ...

Beyond technical leadership, this position plays a key role in mentoring junior engineers, supporting project pursuits, and helping to grow the future of VHB's rail practice. It's an ideal ...

Beyond technical leadership, this position plays a key role in mentoring junior engineers, supporting project pursuits, and helping to grow the future of VHB's rail practice. It's an ideal ...

Whether working on railways and facilities or yards, our team excels in resilient, sustainable ... Plans, organizes, and supervises the work of junior engineers and technicians serving as project ...

next page

Showing results 1-20

Junior Rails Developer information

See Pennsylvania salary details

$24.1K

$89.2K

$137.8K

How much do junior rails developer jobs pay per year?

As of Jun 4, 2026, the average yearly pay for junior rails developer in Pennsylvania is $89,189.00, according to ZipRecruiter salary data. Most workers in this role earn between $67,200.00 and $87,200.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Junior Rails Developer, and why are they important?

To thrive as a Junior Rails Developer, you need a solid understanding of Ruby, Ruby on Rails framework, basic front-end languages (HTML, CSS, JavaScript), and a relevant degree or coding bootcamp experience. Familiarity with tools like Git, PostgreSQL or MySQL, and test frameworks such as RSpec is typically expected. Strong problem-solving skills, eagerness to learn, and effective communication help you collaborate within development teams and grow in the role. These skills are important because they enable you to build, maintain, and improve web applications efficiently while adapting to evolving project requirements.

What types of projects and responsibilities can a Junior Rails Developer expect in their first year on the job?

As a Junior Rails Developer, you can expect to work on tasks such as fixing bugs, writing and maintaining tests, and implementing small features under the guidance of more experienced developers. You'll likely participate in code reviews, collaborate closely with product managers and designers, and be encouraged to learn best practices in coding and version control. The environment is typically supportive, with regular feedback and opportunities to ask questions, making it a great setting for professional growth. Over time, you may gradually take on more complex assignments and begin to contribute to architectural discussions.

What does a Junior Rails Developer do?

A Junior Rails Developer is an entry-level software engineer who works with Ruby on Rails, a popular web development framework. Their responsibilities typically include writing and maintaining code, fixing bugs, collaborating with other developers, and learning best practices for web application development. Junior Rails Developers often assist in building features, performing tests, and ensuring applications run smoothly while gaining experience and mentorship from more senior team members.

What is the difference between Junior Rails Developer vs Ruby on Rails Developer?

AspectJunior Rails DeveloperRuby on Rails Developer
Experience LevelEntry-level, 0-2 yearsMid to senior level, 2+ years
ResponsibilitiesAssisting in development, learning codebaseDesigning, developing, maintaining Rails applications
Required SkillsBasic Ruby/Rails knowledge, eagerness to learnStrong Ruby/Rails skills, problem-solving
Work EnvironmentStartups, small teams, internshipsEstablished companies, tech firms, agencies

The main difference between a Junior Rails Developer and a Ruby on Rails Developer lies in experience and responsibilities. Junior Rails Developers are typically entry-level, focusing on learning and assisting with tasks, while Ruby on Rails Developers have more experience and handle complex development projects independently.

What are popular job titles related to Junior Rails Developer jobs in Pennsylvania? For Junior Rails Developer jobs in Pennsylvania, the most frequently searched job titles are:
Junior Technician

Junior Technician

ENSCO

Chambersburg, PA

Full-time

Posted 27 days ago


Job description

For more than 50 years, ENSCO has been providing leading-edge engineering, science and advanced technology solutions to governments and private industries worldwide.
ENSCO prides itself in creating and applying advanced technologies for mission success. We provide systems engineering, integration, and advanced technology services to transform the future safety, security, and resiliency of critical missions on the ground, in the air, in space, and in the information systems that connect these domains.
Learn more about ENSCO.
Position Description
ENSCO's Applied Technology and Engineering (ATE) Division designs, develops, manufactures, and supports advanced technology inspection systems for national and international railway markets.
We are currently seeking a Junior Technician for our ATIP maintenance group which supports a variety of railroad transportation activities to maintain and ensure safe rail systems for the Federal Railroad Administration and railroad companies.
The incumbent will perform scheduled maintenance and unscheduled repair of diesel engines, electrical generators, brake systems, drive systems, inspection system instrumentation, electrical subsystems, and other railcar appliances. Occasional assignments conducting railroad track inspection operations may be performed. Update and maintain record keeping of performed work.
Job Responsibilities Include:
• Conduct inspections, troubleshooting, diagnosis, and repairs of rail vehicle and sub-systems (Electrical, mechanical, pneumatic, hydraulic, and optical systems)
• Complete installations and upgrades, inspections, repairs, and calibrations of measurement systems
• Coordination with design engineering for failure analysis, root cause analysis and product improvement and new system installations
• Analysis and repair of mechanical, electrical, sub-systems, and components
• Communication with work group, report on action taken during work evolutions, complete technical reports
Use and update drawings and diagrams used in repairs and building systems.
Qualifications Required
• A minimum of 2 years relevant experience in electrical, mechanical, or electromechanical, welding/fabrication fields
• Ability to read schematics and/or diagrams for various systems
• Effectively troubleshoot electrical, mechanical, electromechanical, pneumatic, or hydraulic systems
• Competency in the use of electronic test equipment including multi-meters, oscilloscopes, function generators, power supplies, and network analyzers
• Competency in the use of PowerPoint, Word, and Excel
• Must have excellent verbal and written communication skills
• Possess and maintain valid Motor Vehicle Driver's license
• Pass and maintain various safety training certificates
• Travel of no less than 25% per month
• This position requires the successful completion of a Public Trust background investigation. Qualified applicants must have resided in the United States for at least three (3) of the past five (5) years
Physical Requirements
• Willing and able to work long hours (approx. 12-hour shifts, although no overtime assumed or guaranteed)
• Lift and carry 50 lbs. for 150+ feet
• Climb a ladder and work at 15+ feet
• Ability to work in tight spots, under and about survey vehicles
• Willing to work in inclement weather
• Maintain professional conduct and appearance
• Ability to distinguish between colored signals as required for safe railroad operations
• Must be able to hear train sounds, horn, and radio warnings to act as a safety watchman in railroad environment
The selected candidate will be required to submit additional screening and background investigations in connection with this position. Wearing safety equipment (hard hat, steel-toe boots, protective vest and protective eyeglasses) when working on railroad properties is also a requirement. ENSCO will provide all necessary safety equipment.
Qualifications Desired
• College or Technical School attendance and/or completion certificate or degree
• Welding and metal fabrication skills (plasma, MIG, TIG, ARC) with multiple material types
• Diesel engine maintenance and repair expertise
• Hydraulics and Pneumatics maintenance and repair expertise
• Heavy equipment maintenance and repair
• Ability to solder and build cable assemblies
• Railroad environment experience
• Familiarity with CFR Title 49 Parts 229 and 238
• Knowledge of and experience with air brake systems
• Experience with optical and inertial sensors
• Knowledge of and experience with Programmable Logic Controllers (PLC)
• Experience setting up and debugging local area networks
• Proficiency with multiple software operating systems and applications (i.e., QNX, Linux)
• Quality Program exposure/experience (ISO 9001, 17025)
• Safety Program experience (Railroad, OSHA, specialized)
• CDL (commercial driver's license)
• CPR/First Aid certifications
• Ability to work with minimal supervision
• Leadership experience
• Carpentry skills
Required Certifications: None
U.S. Citizenship Required: No
Security Clearance Required: None
Employment Type: Regular Full-time
Background Check Type: 7 Year Pre-Employment
Drug Screen Required: Pre-Employment Drug and Random Alcohol and Drug (FRA)
Position Contingent Upon Contract Award: No
Salary Range
$21.50-$24.50 USD
REAL ID Requirement
This position may require the ability to access to U.S. federal facilities. In accordance with the Department of Homeland Security's enforcement of the REAL ID Act, as of May 7, 2025, individuals must present a REAL ID-compliant form of identification or an acceptable alternative to gain entry. For a list of acceptable forms of identification, please click here.
Benefits
At ENSCO, a positive working environment and a competitive salary are only part of the reason for choosing a career here. We offer a comprehensive benefits package that creates a stimulating and supportive environment where you can thrive - visit ensco.com/careers/benefits to learn more.
Export Control and Licensing
This position may involve access to technology or technical data that is controlled under U.S. export control laws and regulations and the release of which to a non US person may require an export license from the U.S. Government.
Privacy
Your data privacy is important to ENSCO. Please click here to view our privacy policy. California residents can click here to view your California privacy rights.
EEO Statement
ENSCO, Inc. and its wholly owned U.S. subsidiaries are Equal Opportunity Employers- veterans, disability