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Mainframe Developer Part Time Jobs in Pennsylvania

Mainframe Developer Part Time information

See Pennsylvania salary details

$10

$53

$72

How much do mainframe developer part time jobs pay per hour?

As of Jun 17, 2026, the average hourly pay for mainframe developer part time in Pennsylvania is $53.51, according to ZipRecruiter salary data. Most workers in this role earn between $47.21 and $60.72 per hour, depending on experience, location, and employer.

What is a Mainframe Developer Part Time job?

A Mainframe Developer Part Time job involves designing, coding, testing, and maintaining software applications on mainframe systems while working a reduced or flexible schedule. Responsibilities typically include working with technologies like COBOL, JCL, DB2, and CICS to support business-critical applications. Part-time developers may assist in system upgrades, debugging, and performance optimization. This role is ideal for professionals seeking flexibility, such as students, retirees, or those balancing other commitments.

What are the key skills and qualifications needed to thrive in the Mainframe Developer Part Time position, and why are they important?

To thrive as a Mainframe Developer Part Time, you need strong skills in COBOL, JCL, DB2, and mainframe operating systems, typically backed by a degree in computer science or related field. Familiarity with mainframe tools such as IBM z/OS, CICS, and knowledge of version control systems or relevant certifications (e.g., IBM Certified System Programmer) are often required. Attention to detail, problem-solving abilities, and effective communication make candidates stand out. These skills ensure efficient maintenance, troubleshooting, and enhancement of critical business applications that rely on mainframe technologies.

What types of projects and responsibilities can I expect as a part-time Mainframe Developer?

As a part-time Mainframe Developer, you'll typically work on maintaining, enhancing, and troubleshooting legacy mainframe applications, often collaborating closely with full-time developers and business analysts. Your weekly tasks may include writing or modifying COBOL programs, optimizing JCL scripts, performing system integrations, and participating in code reviews or defect resolutions. Many employers offer flexible scheduling, making it possible to work remotely or during off-hours to minimize disruption to ongoing business operations. You may also contribute to documentation, testing, or modernization initiatives, gaining valuable exposure to both established and evolving technologies. This hands-on experience is an excellent opportunity to build specialized skills and advance your career within organizations that depend on mainframe systems.

What are the most commonly searched types of Mainframe Developer jobs in Pennsylvania? The most popular types of Mainframe Developer jobs in Pennsylvania are:
What are popular job titles related to Mainframe Developer Part Time jobs in Pennsylvania? For Mainframe Developer Part Time jobs in Pennsylvania, the most frequently searched job titles are:
What job categories do people searching Mainframe Developer Part Time jobs in Pennsylvania look for? The top searched job categories for Mainframe Developer Part Time jobs in Pennsylvania are:
Infographic showing various Mainframe Developer Part Time job openings in Pennsylvania as of June 2026, with employment types broken down into 23% Full Time, and 77% Part Time. Highlights an 92% Physical, 4% Hybrid, and 4% Remote job distribution, with an average salary of $111,293 per year, or $53.5 per hour.
ADABAS Natural Developer

ADABAS Natural Developer

City of Philadelphia

Philadelphia, PA

Full-time, Part-time

Medical, Retirement, PTO

Posted 3 days ago


City Of Philadelphia rating

7.9

Company rating: 7.9 out of 10

Based on 70 frontline employees who took The Breakroom Quiz

332nd of 649 rated public administrative organizations


Job description

Company Description

The Office of Innovation & Technology (OIT) is the central IT agency for the City of Philadelphia headed by the Chief Information Officer (CIO). OIT oversees all major information and communications technology initiatives for the City of Philadelphia - increasing the effectiveness of the information technology infrastructure, where the services provided are advanced, optimized, and responsive to the needs of the City of Philadelphia’s businesses, residents, and visitors. OIT responsibilities include: identifying the most effective approach for implementing new information technology directions throughout city government; improving the value of the city’s technology assets and the return on the city’s technology investments; ensuring data security continuity; planning for continuing operations in the event of disruption of information technology or communications services; and supporting accountable, efficient and effective government across every city department, board, commission and agency.

This ADABAS/Natural Developer position will be responsible for day-to-day maintenance and operations of various Natural/ADABAS systems supporting city operating departments. The majority of the systems are supporting the Finance department, Board of Pensions and City Commissioners.  Tasks will include but not be limited to new programming, modification, and maintenance of old code, Database modifications, development, and maintenance of documentation, running of batch jobs, ad-hoc reports and queries and JCL scripting.

Job Description

Essential Functions

  • Maintenance and support of Natural/ADABAS mainframe applications.
  • Maintenance and support for mainframe JCL, PROCEDURE, PARMETER and data objects.
  • Apply enhancements to existing code base as needed.
  • Apply acceptable testing and analysis procedures while implementing enhancements to existing applications.
  • Follow recommended procedures for changes, documentation, and security.
  • Support and maintenance of ADABAS database structures.
  • Interface with internal and external customers and develop programming to support customer needs.
  • Developing code from specifications for applications that retrieve and process data from external data providers.
  • Other related duties as assigned.
Qualifications
  • Completion of a bachelor’s degree program at an accredited college or university, which has included major course work in Computer Science, information science, systems analysis, software engineering, or a closely related field. 
  • 5+ years of related experience.
  • Any equivalent combination of education and experience determined to be acceptable by the Office of Innovation & Technology and Human Resources.

Competencies, Knowledge, Skills and Abilities

KNOWLEDGE OF:

  • The applications and techniques of programming in Software AG Natural computer language.
  • ADABAS database theory, techniques, and structures.
  • PREDICT Data Dictionary functionality.
  • The theory and practice of systems analysis and design.
  • The IBM Job Control Language (JCL), IBM z/360 OS and ISPF interface.
  • The principles, methods and techniques used in systems and program flow chart preparation and documentation.
  • VSAM file structures a plus.
  • Strong understanding of the full software development process.

ABILITY TO:

  • Understand technical specifications and translate them into application code.
  • Work with deadlines and changing priorities in a complex environment.
  • Work independently or within a team.
  • Communicate data processing concept to non-technical personnel.
  • Establish effective working relationships with associates, departmental and administrative officials, supervisors, and other data processing personnel.
     

Additional Information

Salary Range: $75,000-$85,000

Salary cannot exceed $85,000

All applications should include the following: 
•    Cover Letter clarifying your interest and qualifications for the role.
•    Resume
We won’t accept or review incomplete applications.

Work Setting: in-person (onsite)

Discover the Perks of Being a City of Philadelphia Employee:
•    We offer Comprehensive health coverage for employees and their eligible dependents
•    Our wellness program offers eligibility into the discounted medical plan
•    Employees receive paid vacation, sick leave, and holidays
•    Generous retirement savings options are available
•    Pay off your student loans faster - As a qualifying employer, City of Philadelphia employees are eligible to participate in the Public Service Loan Forgiveness program. Join the ranks of hundreds of employees who have already benefited from this program and achieved student loan forgiveness.
•    Enjoy a Free Commute on SEPTA - Starting September 1, 2023, eligible City employees will no longer have to worry about paying for SEPTA public transportation. Whether you're a full-time, part-time, or provisional employee, you can seize the opportunity to sign up for the SEPTA Key Advantage Program and receive free Key cards for free rides on SEPTA buses, trains, trolleys, and regional rails.
•    Unlock Tuition Discounts and Scholarships - The City of Philadelphia has forged partnerships with over a dozen esteemed colleges and universities in the area, ensuring that our employees have access to a wide range of tuition discounts and scholarships. Experience savings of 10% to 40% on your educational expenses, extending not only to City employees but in some cases, spouse and dependents too!
Join the City of Philadelphia team today and seize these incredible benefits designed to enhance your financial well-being and personal growth!

*The successful candidate must be a city of Philadelphia resident within six months of hire. No relocation assistance is provided at this time.

Effective May 22, 2023, vaccinations are no longer required for new employees that work in non-medical, non-emergency or patient facing positions with the City of Philadelphia. As a result, only employees in positions providing services that are patient-facing medical care (ex: Nurses, doctors, emergency medical personnel), must be fully vaccinated.

The City of Philadelphia is an Equal Opportunity employer and does not permit discrimination based on race, ethnicity, color, sex, sexual orientation, gender identity, religion, national origin, ancestry, age, disability, marital status, source of income, familial status, genetic information or domestic or sexual violence victim status. If you believe you were discriminated against, call the Philadelphia Commission on Human Relations at 215-686-4670 or send an email to faqpchr@phila.gov.
 


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