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Senior Mainframe Developer Jobs in Pennsylvania (NOW HIRING)

Senior Mainframe DevOps Architect

Pittsburgh, PA · On-site

$125K - $170K/yr

About the Role We are seeking a Senior Mainframe DevOps Architect to lead solution design and own end-to-end architecture for enterprise customers-translating complex business requirements into ...

Sr. MainFrame Developer and Support

Reading, PA

$52.25 - $69.25/hr

May assist Programmer/Analyst on more complex projects and prepare programming specifications and documentation Qualifications * Bachelors Degree or equivalent required * 6+ years' experience

MAINFRAME NETWORK SYSTEMS PROGRAMMER

Pittsburgh, PA · On-site

$53.50 - $68/hr

MAINFRAME NETWORK SYSTEMS ENGINEER (MID TO SENIOR LEAD LEVEL) MAINFRAME**TCP-IP**VTAM**Z/OS HYBRID~MUST WORK ON SITE AT LEAST 2 DAYS A WEEK AND LIVE NEAR LOCATION BONUS OPPORTUNITY!! * 10+ YEARS ...

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 ...

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 ...

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 ...

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Senior Mainframe Developer information

See Pennsylvania salary details

$38

$57

$66

How much do senior mainframe developer jobs pay per hour?

As of Aug 7, 2026, the average hourly pay for senior mainframe developer in Pennsylvania is $57.79, according to ZipRecruiter salary data. Most workers in this role earn between $54.23 and $63.12 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a senior mainframe developer, and why are they important?

To thrive as a Senior Mainframe Developer, you need deep expertise in mainframe programming languages (like COBOL, JCL, and PL/I), systems analysis, and a strong understanding of legacy application architectures, typically supported by a degree in computer science or related experience. Familiarity with tools such as IBM z/OS, DB2, CICS, and version control systems is essential, along with relevant certifications like IBM Certified System Programmer. Excellent problem-solving, communication, and leadership skills help you collaborate effectively and mentor junior developers. These skills are crucial for maintaining mission-critical systems, ensuring reliability, and guiding modernization efforts in complex enterprise environments.

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

Senior Mainframe Developers often encounter challenges when integrating legacy mainframe systems with newer technologies such as cloud platforms, APIs, or microservices. These challenges include ensuring data consistency, maintaining system security, and minimizing downtime during migrations. Collaboration with cross-functional teams, such as infrastructure engineers and application developers, is key to developing seamless integration solutions. Staying up-to-date with modernization tools and best practices can help address these complexities and support the organization's digital transformation goals.

What is a senior mainframe developer?

Senior Mainframe Developers are experienced professionals who design, develop, and maintain mainframe systems—large-scale computers used by organizations for critical applications, bulk data processing, and enterprise resource planning. They are proficient in languages like COBOL, JCL, and Assembler, and often work with databases and transaction processing systems. Their responsibilities include troubleshooting system issues, optimizing performance, mentoring junior developers, and ensuring the reliability and security of mainframe operations.
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 Senior Mainframe Developer jobs in Pennsylvania? For Senior Mainframe Developer jobs in Pennsylvania, the most frequently searched job titles are:
What job categories do people searching Senior Mainframe Developer jobs in Pennsylvania look for? The top searched job categories for Senior Mainframe Developer jobs in Pennsylvania are:
What cities in Pennsylvania are hiring for Senior Mainframe Developer jobs? Cities in Pennsylvania with the most Senior Mainframe Developer job openings:
Infographic showing various Senior Mainframe Developer job openings in Pennsylvania as of August 2026, with employment types broken down into 79% Full Time, 3% Part Time, and 18% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution, with an average salary of $120,204 per year, or $57.8 per hour.

Senior Mainframe developer

Scalence L.L.C.

Pittsburgh, PA • On-site

Full-time

Re-posted 24 days ago


Job description

Job Summary:
Scalence L.L.C. is seeking a Senior Mainframe Developer with a strong background in financial services and cash management. The ideal candidate should possess over 10 years of experience with CICS, Cobol, and DB2, and must have strong communication skills.
Responsibilities:
• Ideal candidate should have financial services /Cash management background with CICS, Cobol and DB2 with experience of 10+ years in the industry
• Must come with strong communication skills
Qualifications:
Required:
• Ideal candidate should have financial services /Cash management background with CICS, Cobol and DB2 with experience of 10+ years in the industry
• Must come with strong communication skills
Company:
In today’s dynamic and competitive market, success hinges on mastering three key areas: Data Intelligence, Business Resilience, and Digital Experience. Founded in , the company is headquartered in Morristown, USA, with a team of 501-1000 employees. The company is currently Late Stage.