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Mainframes Developer Jobs in Connecticut (NOW HIRING)

Hands-on experience in integrating data from heterogeneous data sources spanning across mainframes ... Experience and understanding of in Production support and performance engineering. * Technical ...

Engineer

Stamford, CT · On-site

$75K - $80K/yr

... Mainframe) jobs Develop, modify, and monitor batch jobs Configure calendars, dependencies, job groups, and event-based triggers Perform root cause analysis for job failures Handle production ...

IMS / CICS Systems Programmer

Hartford, CT · On-site

$55.50 - $70.50/hr

IMS / CICS Systems Programmer Location: Hartford, CT Job Type: Contract * Working knowledge of SMP/E software installation process, analyzing PTFs and HOLDDATA, triaging HIPER, FIXCAT, and PE'd PTFs.

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Mainframes Developer information

What does a mainframe developer do?

A mainframe developer designs, codes, tests, and maintains applications running on mainframe computers, often using languages like COBOL, PL/I, or Assembler. They work in environments that require high reliability and security, and may also handle system updates, performance tuning, and integration with other systems.

What is mainframe developer salary?

The salary for a mainframe developer typically ranges from $70,000 to $120,000 annually, depending on experience, location, and certifications. Senior roles or those with specialized skills in COBOL, JCL, or mainframe environments may earn higher compensation. Many positions also offer benefits such as health insurance and retirement plans.

Can mainframe be replaced by AI?

Mainframes are large-scale computing systems used for critical enterprise applications, and while AI can automate certain tasks and improve efficiency, it does not replace the core functions of mainframes. Mainframe developers often work with legacy systems, COBOL programming, and security protocols, which require specialized skills that are not fully replaced by AI technologies.

Is mainframe still in demand?

Mainframes remain in demand for large enterprises such as banks, insurance companies, and government agencies that rely on their reliability, security, and processing power. Mainframe developers with skills in COBOL, JCL, and mainframe environments are sought after to maintain and upgrade legacy systems, though the overall demand has decreased as organizations adopt cloud and distributed computing. Certification and experience with mainframe tools can enhance job prospects in this specialized field.

What is the difference between Mainframes Developer vs Mainframes Analyst?

AspectMainframes DeveloperMainframes Analyst
Required CredentialsTypically a degree in Computer Science or related field; certifications like IBM Certified SpecialistSimilar credentials; often holds certifications in mainframe systems and analysis
Work EnvironmentDevelops, codes, and tests mainframe applications in a software development settingAnalyzes existing mainframe systems, gathers requirements, and supports system improvements
Employer & Industry UsageUsed by banks, insurance companies, and large enterprises for application developmentEmployed in similar industries for system analysis, troubleshooting, and process optimization

While both roles require knowledge of mainframe systems and similar credentials, Mainframes Developers focus on creating and maintaining mainframe applications, whereas Mainframes Analysts analyze existing systems to improve performance and efficiency. Both roles are vital in large enterprise IT environments.

What are popular job titles related to Mainframes Developer jobs in Connecticut? For Mainframes Developer jobs in Connecticut, the most frequently searched job titles are:
What job categories do people searching Mainframes Developer jobs in Connecticut look for? The top searched job categories for Mainframes Developer jobs in Connecticut are:
Infographic showing various Mainframes Developer job openings in Connecticut as of June 2026, with employment types broken down into 32% Full Time, and 68% Contract. Highlights an 94% In-person, and 6% Hybrid job distribution.
Datastage Consultant

Full-time

Posted 16 days ago


Job description

Company Description

Sonsoft , Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. Sonsoft Inc. is growing at a steady pace specializing in the fields of Software Development, Software Consultancy and Information Technology Enabled Services.

Job Description

Job Description:-

  • At least 2+ years of experience in ETL design and development using IBM DataStage components - DataStage Designer, DataStage Director, DataStage Administrator and IBM information server.
  • Experience in implementing performance enhancements in existing DataStage jobs for reduced runtime/CPU time/memory management etc.
  • Hands-on experience in integrating data from heterogeneous data sources spanning across mainframes, relational databases, appliances like Netezza, Teradata, flat files, HDFS etc. Strong Unix shell scripting and SQL knowledge.
  • Exposure to scheduling tools like Zeke, Autosys, Control-M.
  • Thorough understanding of DW principles (Fact Tables, Dimensional Tables, Dimensional Data Modeling - Star Schema and Snow Flake Schema, OLTP, OLAP and Data Warehousing concepts).
  • Knowledge of other ETL technologies (Abinitio, SSIS) will be a plus.
  • At least 2 years of experience in software development life cycle.
  • At least 2 years of experience in translating functional/non-functional requirements to system requirements.
  • Experience and understanding of in Production support and performance engineering.
  • Technical Skills.
  • Ability to work in team environment and client interfacing skills.
  • Excellent Communication and Analytical skills

Qualifications

Basic Qualifications :-

  • Bachelor's degree or foreign equivalent required from an accredited institution. Will also consider three years of progressive experience in the specialty in lieu of every year of education.
  • At least 2 years of experience within the Information Technologies.
Additional Information

Note:-
This is a Full-Time & Permanent job opportunity for you.
Only US Citizen, Green Card HolderGC-EADH4-EAD & L2-EAD can apply.
No OPT-EAD, H1B & TN candidates please.
Please mention your Visa Status in your email or resume.


Sonsoft logo

About Sonsoft

Sourced by ZipRecruiter

Sonsoft , Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. Sonsoft Inc. is growing at a steady pace specializing in the fields of Software Development, Software Consultancy and Information Technology Enabled Services.

Industry

It services

Company size

51 - 200 Employees

Headquarters location

Alpharetta, GA, US

Year founded

2007