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Mainframe Jobs in Connecticut (NOW HIRING)

Mainframe IT Project Manager

Hartford, CT

$99K - $117K/yr

Mainframe IT Project Manager Location: Hartford, CT Duration: 6 months with possible contract to hire Description: - Host Mainframe background leveraging Cobol and Endeavor - Partner with on/offshore ...

ETL Developer

Hartford, CT · On-site

$110 - $170/hr

This person must have strong experience and understanding of COBOL and mainframe systems, they will likely be migrating away form COBOL. Must have strong skills in SSIS, data mapping, data cleaning.

ETL Developer

Hartford, CT · On-site +1

$51.50 - $67.25/hr

This person must have strong experience and understanding of COBOL and mainframe systems, they will likely be migrating away form COBOL. Must have strong skills in SSIS, data mapping, data cleaning.

Showing results 21-40

Mainframe information

See Connecticut salary details

$9

$50

$68

How much do mainframe jobs pay per hour?

As of Aug 23, 2026, the average hourly pay for mainframe in Connecticut is $50.78, according to ZipRecruiter salary data. Most workers in this role earn between $44.81 and $57.64 per hour, depending on experience, location, and employer.

What is a mainframe?

Mainframes are powerful computers used mainly by large organizations for critical applications, bulk data processing, large-scale transaction processing, and enterprise resource planning. They are known for their reliability, scalability, and security, making them essential for industries like banking, healthcare, and government. Mainframes can handle thousands of users and transactions simultaneously, supporting the core operations of many businesses.

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

To excel as a Mainframe Developer, a strong background in COBOL, JCL, mainframe operating systems (like z/OS), and database management is essential, often supported by a degree in computer science or a related field. Familiarity with tools such as IBM DB2, CICS, VSAM, and mainframe version control systems is typically required, and certifications like IBM Certified System Programmer can be advantageous. Analytical thinking, problem-solving abilities, and effective communication are important soft skills for identifying issues and collaborating with cross-functional teams. These skills ensure reliable maintenance, development, and modernization of mission-critical legacy systems that support large-scale business operations.

What are some typical challenges faced by mainframe professionals when integrating legacy systems with modern technologies?

Mainframe professionals often encounter challenges when integrating legacy systems with newer technologies, such as ensuring data compatibility, managing security protocols, and minimizing downtime during migration. These tasks require a deep understanding of both the existing mainframe architecture and the modern platforms being introduced. Collaboration with cross-functional teams—including application developers, security specialists, and project managers—is essential to ensure seamless integration and to address potential issues proactively. Staying updated on the latest integration tools and best practices also helps in overcoming these challenges efficiently.

What is the difference between Mainframe vs Mainframe Developer?

AspectMainframeMainframe Developer
Primary RoleMaintains and manages mainframe hardware and systemsDesigns, develops, and tests mainframe applications
Skills & CertificationsKnowledge of mainframe hardware, OS, and basic scriptingProficiency in COBOL, JCL, and mainframe programming languages
Work EnvironmentData centers, enterprise IT departmentsDevelopment teams within mainframe environments
Industry UsageUsed by organizations with legacy systemsDevelops and maintains those legacy systems

While Mainframe professionals focus on maintaining the hardware and system infrastructure, Mainframe Developers specialize in creating and updating mainframe applications. Both roles require knowledge of mainframe environments, but their responsibilities differ significantly within the same industry.

Is mainframe a good career option?

Mainframe careers involve working with large-scale computer systems used by many organizations for critical applications. The role typically requires knowledge of programming languages like COBOL, skills in system maintenance, and certifications such as IBM Certified System Programmer. It offers stable employment opportunities and competitive salaries due to the specialized skill set involved.

What are the most commonly searched types of Mainframe jobs in Connecticut?

The most popular types of Mainframe jobs in Connecticut are:

What job categories do people searching Mainframe jobs in Connecticut look for?

The top searched job categories for Mainframe jobs in Connecticut are:

What cities in Connecticut are hiring for Mainframe jobs?

Cities in Connecticut with the most Mainframe job openings:

Infographic showing various Mainframe job openings in Connecticut as of August 2026, with employment types broken down into 47% Full Time, 5% Temporary, and 48% Contract. Highlights an 90% In-person, and 10% Remote job distribution, with an average salary of $105,618 per year, or $50.8 per hour.

Senior Dell EMC Mainframe Storage Engineer

Neshent Technologies

Stamford, CT • On-site

Full-time

This job post has expired today. Applications are no longer accepted.


Job description

We are seeking a Senior Dell EMC Mainframe Storage Engineer with expertise in Mainframe Enablers (MFE) and Geographically Dispersed Disaster Restart (GDDR) to support a highly available enterprise mainframe storage environment. The ideal candidate will have hands-on experience troubleshooting GDDR automation, SRDF replication, and disaster recovery processes within mission-critical production environments.

Roles and Responsibilities
  • Provide production support for Dell EMC Mainframe Enablers (MFE) and GDDR environments.
  • Troubleshoot GDDR automation failures, restart issues, and recovery scenarios.
  • Support SRDF/S and SRDF/A replication, AutoSwap, and consistency group operations.
  • Perform manual recovery and resynchronization when automated recovery processes fail.
  • Diagnose replication failures, interrupted scripts, and consistency group issues.
  • Coordinate array-side recovery activities with host-side operations.
  • Determine when replication can be safely resumed following outages or failures.
  • Participate in Sev 1 and Sev 2 production incident response and technical bridge calls.
  • Analyze logs, command outputs, configurations, and system diagnostics to identify root causes.
  • Develop and maintain operational documentation, recovery procedures, and runbooks.
  • Collaborate with infrastructure, operations, and vendor support teams to resolve complex storage issues.
  • Assist with technical escalations by documenting findings and coordinating with vendor support when required.
Required Qualifications
  • Extensive hands-on experience with Dell EMC Mainframe Enablers (MFE).
  • Strong expertise with Dell EMC GDDR/GDR, preferably GDDR 6.x.
  • Experience configuring and supporting GDDR automation, scripts, overrides, and recovery procedures.
  • Strong knowledge of SRDF/S, SRDF/A, AutoSwap, and consistency group management.
  • Experience troubleshooting GDDR automation failures, interrupted replication, and manual recovery scenarios.
  • Proficiency with zDP and Symmetrix command-line utilities.
  • Strong understanding of mainframe storage operations, FICON, and Fibre Channel technologies.
  • Experience handling replication drops, resynchronization, full-push recovery, and device cleanup.
  • Ability to coordinate host-side and array-side recovery activities.
  • Experience supporting enterprise production environments with high availability requirements.
  • Strong analytical, troubleshooting, and communication skills.
Preferred Qualifications
  • Experience supporting VMAX 950F and PowerMax 8500 storage platforms.
  • Experience with enterprise disaster recovery and replication solutions.
  • Experience supporting large-scale, mission-critical production environments.
On-Call & Support Expectations
  • Participate in a 24x7 on-call rotation for critical production incidents.
  • Provide primary and backup support for Sev 1 and Sev 2 incidents.
  • Respond remotely to production outages and participate in live technical bridge calls.
  • Review logs, configurations, command outputs, and operational documentation during incident resolution.
  • Maintain support documentation, known issues, recovery procedures, and escalation paths.
  • Work with vendor support teams for product-related issues while providing technical analysis, issue isolation, and recovery guidance.