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Senior Mainframe Software Engineer Jobs in Pennsylvania

No Limit Technology

Mainframe Cobol Developer

Reading, PA · On-site

$47 - $60.50/hr

Design and develop and maintain mainframe applications using programming languages such as COBOL ... Provide support for production systems, troubleshoot issues, and upgrade system software \n * Work ...

Judge Group, Inc.

Mainframe Developer

Malvern, PA · On-site

$48 - $61.75/hr

Our client is currently seeking a Mainframe Developer 1+ Year Contract Opportunity Malvern, PA (hybrid--onsite Tuesdays, Wednesdays, and Thursdays) Responsibilities Design, develop, maintain, and ...

RIT Solutions, Inc.

Mainframe Developer w/AWS

Malvern, PA · On-site

$48 - $61.75/hr

RIT Solutions, Inc. is seeking a Mainframe Developer with AWS expertise. The role requires strong technical skills in mainframe technologies and job control to support various projects.

Accenture

Mainframe Specialist

Pittsburgh, PA

$70K - $196K/yr

Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ... Collaborate with senior leadership to secure executive sponsorship and organizational buy-in for ...

Accenture

Mainframe Specialist

Philadelphia, PA · On-site

$70K - $196K/yr

Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ... Collaborate with senior leadership to secure executive sponsorship and organizational buy-in for ...

VensIT Corp

W2// Mainframe Developer

Malvern, PA · On-site

$48 - $61.75/hr

Job Title: Mainframe Developer Location : Malvern, PA - onsite Experience - 8+ Required Skills: • Programming Languages: Strong proficiency in COBOL • Transaction Processing: Thorough ...

New

Accenture

Mainframe Specialist

Pittsburgh, PA · On-site

$70K - $196K/yr

Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ... Collaborate with senior leadership to secure executive sponsorship and organizational buy-in for ...

RIT Solutions, Inc.

Mainframe Developer w/AWS

Malvern, PA · On-site

$48 - $61.75/hr

RIT Solutions, Inc. is seeking a Mainframe Developer with AWS expertise. The role involves working with mainframe technologies and tools to support various projects. Qualifications : Required : • ...

USM

Solution Architect - 109664

Pittsburgh, PA · On-site

$61.25 - $80.50/hr

... the mainframe software are resolved with immediacy to minimize impact to the account. Interface with EMC Support and Engineering to resolve any outstanding and/or urgent issues. Provide Mainframe ...

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Senior Mainframe Software Engineer information

What is a senior mainframe software engineer?

Senior Mainframe Software Engineers are experienced professionals who design, develop, maintain, and optimize software applications running on mainframe computer systems. They typically work with legacy programming languages such as COBOL, PL/I, or Assembler, and are responsible for ensuring the reliability, scalability, and security of critical business applications. Their role often includes troubleshooting complex issues, integrating new technologies with existing systems, and mentoring junior engineers. These specialists are essential for organizations that rely on mainframes for large-scale data processing and transaction management.

What are the key skills and qualifications needed to thrive as a senior mainframe software engineer?

To thrive as a Senior Mainframe Software Engineer, you need deep expertise in COBOL, JCL, DB2, and mainframe architecture, often backed by a degree in computer science or related fields and several years of relevant experience. Familiarity with tools like IBM z/OS, CICS, RACF, and version control systems is typically required, along with certifications like IBM Certified System Programmer as a plus. Strong analytical thinking, problem-solving ability, and effective communication are crucial soft skills for leading projects and collaborating with cross-functional teams. These skills ensure reliable, secure, and efficient operation of critical legacy systems that are foundational to many large organizations.

What are some common challenges faced by senior mainframe software engineers when integrating legacy systems with modern technologies?

Senior Mainframe Software Engineers often encounter challenges when bridging legacy mainframe systems with newer technologies, such as ensuring compatibility, maintaining data integrity, and managing security risks. These integrations typically require a deep understanding of both the existing mainframe environment and the modern platforms being adopted. Collaboration with cross-functional teams, including application developers, architects, and business analysts, is essential to design effective solutions and minimize disruptions. Staying current with industry best practices and emerging tools can help address these challenges and ensure a smooth transition.

What is the difference between Senior Mainframe Software Engineer vs Mainframe Developer?

AspectSenior Mainframe Software EngineerMainframe Developer
CredentialsBachelor's in Computer Science or related, often with certifications like IBM Certified SpecialistSimilar educational background, often with certifications in mainframe technologies
Work EnvironmentLarge enterprise IT departments, financial institutions, government agenciesSame as Senior Mainframe Software Engineer, often within similar industries
ResponsibilitiesDesign, develop, and oversee mainframe applications; lead projects; troubleshoot complex issuesDevelop and maintain mainframe applications; focus on coding and debugging

While both roles involve mainframe technologies and similar credentials, Senior Mainframe Software Engineers typically have more leadership responsibilities and oversee projects, whereas Mainframe Developers focus primarily on coding and application maintenance.

What are popular job titles related to Senior Mainframe Software Engineer jobs in Pennsylvania?

For Senior Mainframe Software Engineer jobs in Pennsylvania, the most frequently searched job titles are:

What job categories do people searching Senior Mainframe Software Engineer jobs in Pennsylvania look for?

The top searched job categories for Senior Mainframe Software Engineer jobs in Pennsylvania are:

What cities in Pennsylvania are hiring for Senior Mainframe Software Engineer jobs?

Cities in Pennsylvania with the most Senior Mainframe Software Engineer job openings:

Senior Mainframe Software Engineer jobs near you
Infographic showing various Senior Mainframe Software Engineer job openings in Pennsylvania as of August 2026, with employment types broken down into 63% Full Time, and 37% Contract. Highlights an 100% In-person job distribution.

Mainframe Engineer

BVA Bear's IT Solutions

Boiling Springs, PA • On-site

$47.50 - $61/hr

Full-time

Medical

Re-posted 13 days ago

Job description

Benefits:
  • Health insurance

BVA Bears IT Solutions is seeking a Mainframe Engineer. This is a full-time, remote role with travel 2 days onsite per week at Riverdale, MD. The average workday is 8 hours and the window in which those 8 hours may be scheduled is between 6:00am hours and 6:00pm hours eastern time, Monday through Friday except for Government Holidays with the core hours (9am to 3pm) being covered.  
As a Mainframe Engineer will play a key role in developing, maintaining, and optimizing mission-critical mainframe applications supporting the University of Maryland’s operational and research activities. This position requires strong technical expertise in COBOL, CICS, TSO, and JCL, along with proven problem-solving skills and the ability to work collaboratively in a hybrid environment.
Key Responsibilities
Application Development & Maintenance 
  • Design, code, test, and implement mainframe-based solutions using COBOL and CICS.
  • Maintain and enhance existing programs and batch job processes.
  • Develop, modify, and manage JCL for batch job scheduling and execution. 
Systems Support & Troubleshooting 
  • Diagnose and resolve system errors, job failures, and performance issues.
  • Work closely with operations and support teams to ensure system stability.
Optimization & Quality 
  • Review and optimize code for efficiency and performance improvements.
  • Ensure adherence to development standards and security guidelines. 
Collaboration 
  • Partner with cross-functional teams, including analysts, system administrators, and project managers.
  • Participate in requirements gathering, design discussions, and peer reviews.
Other Duties 
  • Perform additional related tasks within the scope of the role as assigned by management.

Required Qualifications
  • Minimum 5 years of professional experience in mainframe development.
  • Proficiency in COBOL, CICS, TSO, and JCL.
  • Demonstrated experience in batch job processing.
  • Strong problem-solving and debugging skills.
  • Effective verbal and written communication skills.
Preferred Qualifications
  • Familiarity with CA-IDEAL and CA Datacomm.
  • Experience working in higher education or research environments.
  • Knowledge of best practices in mainframe performance tuning and modernization.

U.S. Citizenship Requirement:
This position is restricted to U.S. citizens only in accordance with federal contract requirements. Applicants must provide proof of U.S. citizenship (such as a U.S. passport, birth certificate, or Certificate of Naturalization) prior to employment. Non-citizens, including lawful permanent residents (Green Card holders), are not eligible for this role.

Equal Employment Opportunity: 
BVA Bears IT Solutions is committed to providing equal employment opportunities. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, disability, genetic information, military/veteran status, or any other characteristic protected by law. 
​

Flexible work from home options available.