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Senior Mainframe Programmer Jobs in Connecticut (NOW HIRING)

Neshent Technologies

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 ...

Chubb

Head of Data Engineering, PRS

Simsbury, CT · On-site

... as a senior Data Leader here at Chubb. You will be entrusted to apply your leadership and ... You'll leverage your Mainframe and Data modernization, AI, engineering, technical, business and ...

Chubb

Head of Data Engineering, PRS

Simsbury, CT

... as a senior Data Leader here at Chubb. You will be entrusted to apply your leadership and ... You'll leverage your Mainframe and Data modernization, AI, engineering, technical, business and ...

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Senior Mainframe Programmer information

What is the difference between Senior Mainframe Programmer vs Mainframe Developer?

AspectSenior Mainframe ProgrammerMainframe Developer
CredentialsTypically requires a mainframe programming certification and several years of experienceOften requires similar certifications and experience, focusing on coding and development
Work EnvironmentWorks primarily on legacy mainframe systems within financial, insurance, or government sectorsDevelops and maintains mainframe applications, often in similar industries
Employer & Industry UsageCommonly employed by large corporations with mainframe infrastructureUsed interchangeably with mainframe programmer, focusing on application development

The main difference between a Senior Mainframe Programmer and a Mainframe Developer is primarily experience level and scope. Senior Mainframe Programmers often have more responsibilities, including overseeing projects and mentoring junior staff, while Mainframe Developers focus on coding and application creation. Both roles require similar credentials and are vital in industries relying on legacy mainframe systems.

What are popular job titles related to Senior Mainframe Programmer jobs in Connecticut?

For Senior Mainframe Programmer jobs in Connecticut, the most frequently searched job titles are:

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

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

Senior Mainframe Programmer jobs near you
Infographic showing various Senior Mainframe Programmer job openings in Connecticut as of August 2026, with employment types broken down into 85% Full Time, 7% Part Time, 7% Contract, and 1% Nights. Highlights an 87% Physical, 2% Hybrid, and 11% Remote job distribution.

Senior Dell EMC Mainframe Storage Engineer

Neshent Technologies

Cos Cob, CT

Full-time

Posted 15 days ago

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.

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