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Senior Mainframe Developer Jobs (NOW HIRING)

Damco Solutions

Senior Mainframe Developer

Raleigh, NC · On-site

Damco Solutions is seeking a Senior Mainframe Developer to support multiple efforts in NC FAST and legacy Child Welfare applications. This role involves providing technical expertise for ongoing ...

Virtusa Corporation

Mainframe Developer

New York, NY · On-site

$53.50 - $69/hr

As a Senior Mainframe developer with strong background in Mainframe technologies, provides production support (MNO) for key eligibility programs such as Medicaid and CHIP. The selected resource will ...

Virtusa Corporation

Mainframe Developer

New York, NY · On-site

$53.50 - $69/hr

As a Senior Mainframe developer with strong background in Mainframe technologies, provides production support (MNO) for key eligibility programs such as Medicaid and CHIP. The selected resource will ...

enexusglobal

Sr Mainframe Developer

Wilmington, DE · On-site

Job title: Sr Mainframe Developer Role is Hybrid (3 days/wk) Client address: 880 Powder Mill Rd Wilmington, DE 19803 Years of experience required: 8+ · Develops and implements solutions that address ...

Judge Group, Inc.

Sr Mainframe Developer

Wilmington, DE · On-site

$50.50/hr

Our client is currently seeking a Sr Mainframe Developer Develops and implements solutions that address complex business challenges, enhancing the ability to make data-driven decisions and improving ...

Convergys

Senior Mainframe Developer

Omaha, NE · On-site

$74 - $77/hr

Job Title Senior Mainframe Developer Company Overview We're Concentrix. The intelligent transformation partner. Solution-focused. Tech-powered. Intelligence-fueled. The global technology and services ...

Convergys

$74 - $77/hr

Job Title Senior Mainframe Developer Company Overview We're Concentrix. The intelligent transformation partner. Solution-focused. Tech-powered. Intelligence-fueled. The global technology and services ...

NAVA Software Solutions

Mainframe Developer

Morristown, NJ · On-site

$50.50 - $64.75/hr

Role: Sr. Mainframe Engineer Location: Morris Plains, NJ , Memphis TN, Somerset NJ, Austin TX, St. Louis MO, Morristown NJ Remote to start - Hybrid from Nov onwards Duration: 6-12 months What You ...

Judge Group, Inc.

Sr Mainframe Developer

Wilmington, DE · On-site

$50.50/hr

Our client is currently seeking a Sr Mainframe Developer Years of experience required: 8+ Develops and implements solutions that address complex business challenges, enhancing the ability to make ...

Stellar IT Solutions

Mainframe Developer

Saint Louis, MO · On-site

$46.50 - $59.75/hr

Mainframe Developer (Senior - Security Remediation) Location: Remote Duration: 6-12+ Months Contract Role Overview We are seeking experienced Senior Mainframe Engineers with deep expertise in legacy ...

Stellar IT Group

Mainframe Developer

Saint Louis, MO · On-site

$47.75 - $61.25/hr

Mainframe Developer (Senior - Security Remediation) Location: Remote Duration: 6-12+ Months Contract Role Overview We are seeking experienced Senior Mainframe Engineers with deep expertise in legacy ...

Galent

Senior Mainframe Developer

Jersey City, NJ · On-site

Mainframe Developer Location: Wilmington, DE OR Jersey City, NJ (Onsite) Job Details: Contract Must be really strong profile Analytically as they are converting Mainframe tech to Java tech Please ...

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How much do senior mainframe developer jobs pay per hour?

As of Sep 5, 2026, the average hourly pay for senior mainframe developer in the United States is $57.65, according to ZipRecruiter salary data. Most workers in this role earn between $54.09 and $62.98 per hour, depending on experience, location, and employer.

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 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 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.
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Senior Mainframe Developer jobs near you
Infographic showing various Senior Mainframe Developer job openings in the United States as of August 2026, with employment types broken down into 85% Full Time, 3% Part Time, and 12% Contract. Highlights an 80% Physical, 5% Hybrid, and 15% Remote job distribution, with an average salary of $119,916 per year, or $57.7 per hour.

Sr Mainframe Developer

Ruri Software Technologies LLC

Wilmington, DE • On-site

Full-time

Re-posted 18 days ago

Job description

Job Title: Sr Mainframe Developer
Work Location: Wilmington, DE
Duration: 8+ Months
Job Description:
• Develops and implements solutions that address complex business challenges, enhancing the ability to make data-driven decisions and improving operational efficiency
• Prepares architecture and design documents for complex Banking applications keeping in mind design constraints that translate to coding
• Develops secure and high-quality code that runs in sync with other highly efficient sub systems
• Think out-of-the-box proactively and be creative by challenging conventional approaches and contribute towards operational efficiency
• Troubleshoots problems, works with Product Teams and other stake holders to understand complex Requirements and be able to break them down to design/development.
Top Skills To Have (must be showcased on resume clearly):
• Candidate should have expertise in COBOL, JCL, VSAM & DB2.
• Expertise in CICS Programming including knowledge of CICS Screen Programming.
• Experience coding in MQ Series & IMS DB is preferred
• Experience in Banking Compliance and Regulatory Platform is preferred.
Must have hands-on coding development experience.
Experience with version control. Ability to communicate effectively with team members and clients and excellent problem-solving skills

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