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Senior Mainframe Developer Jobs in Fallston, MD (NOW HIRING)

JS Consulting

Sr. Mainframe Developer

Woodlawn, MD · On-site

$51 - $65.50/hr

Job Title- Sr. Mainframe Developer Project Location - Woodlawn, MD (5 days per week onsite) Duration- 6+ months contract Skills: Strong experience with IBM z/OS (OS/390/MVS) environment developing ...

Tata Consultancy Services

Sr. Engineer

Owings Mills, MD · On-site

$99K - $136K/yr

... Sr. Engineer to provide production support in the financial services domain. The role involves ... mainframe job Scheduler. • Troubleshoot and resolve application failures, batch job issues ...

TecTammina

Sr. WebFOCUS developer

Baltimore, MD

My Client is in need of a WebFOCUS developer with Version 8.x and Version 7.x experience The ... Knowledge of both client/server and mainframe-based systems. Strong background in coding and ...

TecTammina

Sr Java Position

Baltimore, MD

$57 - $72.50/hr

Experience with reverse engineering projects * Experience on Linux/Unix platforms * Experience with Mainframe technologies including CICS, COBOL, DB2 is a plus. * Experience working with Government ...

GTT, LLC

Senior AWS Engineer

Owings Mills, MD · Hybrid

$70 - $80/hr

Senior AWS Engineer Location: Owings Mills, MD Onsite Flexibility: Hybrid Contract Details ... mainframe and client/server applications, and major enhancement of existing systems. Key ...

InstantServe LLC

Senior Business Analyst

Baltimore, MD · On-site

$91K - $118K/yr

Lead and facilitate data migration efforts from mainframe environment to a modern SaaS platform ... Collaborate with cross-functional teams, including developers, database administrators, data ...

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Senior Mainframe Developer information

See Fallston, MD salary details

$37

$56

$64

How much do senior mainframe developer jobs pay per hour?

As of Jun 26, 2026, the average hourly pay for senior mainframe developer in Fallston, MD is $56.25, according to ZipRecruiter salary data. Most workers in this role earn between $52.79 and $61.44 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 are Senior Mainframe Developers?

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 cities near Fallston, MD are hiring for Senior Mainframe Developer jobs? Cities near Fallston, MD with the most Senior Mainframe Developer job openings:
Senior Mainframe Developer jobs near you
Infographic showing various Senior Mainframe Developer job openings in Fallston, MD as of June 2026, with employment types broken down into 56% Full Time, 34% Part Time, 3% Temporary, and 7% Contract. Highlights an 85% Physical, 5% Hybrid, and 10% Remote job distribution, with an average salary of $117,007 per year, or $56.3 per hour.