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Mainframe Jobs in Connecticut (NOW HIRING)

General Dynamics Electric Boat

Cost Accountant

Groton, CT · On-site

$65K - $87K/yr

Proficiency with mainframe applications. * Certified Public Accountant certification. Skills * Detail-oriented. * Strong analytical, problem-solving, and critical thinking abilities. * Excellent ...

General Dynamics Electric Boat

Cost Accountant

Groton, CT · On-site

$65K - $87K/yr

Proficiency with mainframe applications. * Certified Public Accountant certification. * Detail-oriented. * Strong analytical, problem-solving, and critical thinking abilities. * Excellent attention ...

New

Propark Mobility

Payroll Specialist

Hartford, CT

$55K - $65K/yr

Experience with UKG Ready Mainframe is required; experience with ADP Workforce Now is an added plus. Responsibilities include but are not limited to: System Administration & Configuration Perform ...

Sonsoft Inc

Datastage

Hartford, CT

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 ...

Sonsoft Inc

Datastage Consultant

Hartford, CT

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 ...

Propark Mobility

Payroll Specialist

Hartford, CT · On-site

$55K - $65K/yr

Experience with UKG Ready Mainframe is required; experience with ADP Workforce Now is an added plus. Responsibilities include but are not limited to: System Administration & Configuration • Perform ...

Propark Mobility

Payroll Specialist

Hartford, CT · On-site

$55K - $65K/yr

Experience with UKG Ready Mainframe is required; experience with ADP Workforce Now is an added plus. Responsibilities include but are not limited to: System Administration & Configuration · Perform ...

Unisys

Field Engineer Technician

East Hartford, CT · On-site

Tests and certifies mainframes, servers and other infrastructure associated with networks and peripherals. You will be successful in this role if you have: High School Diploma or GED required May ...

Propark Mobility

Payroll Specialist

Hartford, CT · On-site

$55K - $65K/yr

Experience with UKG Ready Mainframe is required; experience with ADP Workforce Now is an added plus. Responsibilities include but are not limited to: System Administration & Configuration · Perform ...

Sonsoft Inc

Datastage Consultant

Hartford, CT

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 ...

Sonsoft Inc

Datastage

Hartford, CT

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 ...

CoServe Global Solutions

Solutions Architect

Hartford, CT · On-site

$63.50 - $83.75/hr

Strong working knowledge and experience with integration patterns Messaging, (MQ), Web Services, Database Links, File Transfers Mainframe and n-Tier applications HTML, XML, CSS, SAML J2EE .NET ETL ...

CoServe Global Solutions

Solutions Architect

Hartford, CT · On-site

$63.50 - $83.75/hr

... • Mainframe and n-Tier applications • HTML, XML, CSS, SAML • J2EE • .NET • ETL tools • SQL Server • Web Application • Mobile Application • Platform integration • Application ...

E*Pro, Inc.

Identity Manager

Stamford, CT

Review reports and cleanup of obsolete user accounts in Active Directory, Mainframe and SAP. Maintain Security Access Management documentation, adding information for new procedures and updating ...

Aquinas Consulting

Project Manager

Wethersfield, CT · Hybrid

Support the day-to-day execution of one or more mainframe modernization projects by coordinating tasks, tracking milestones, monitoring risks, and maintaining project documentation. * Facilitate ...

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All JobsMainframe JobsMainframe Jobs in Connecticut

Mainframe information

See Connecticut salary details

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$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.
More about Mainframe jobs

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

The most popular types of Mainframe jobs in Connecticut are:

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

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

Mainframe jobs near you
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.

Cost Accountant

General Dynamics Electric Boat

Groton, CT • On-site

$65K - $87K/yr

Full-time

Posted 4 days ago

General Dynamics Electric Boat rating

8.3

Company rating: 8.3 out of 10

Based on 164 frontline employees who took The Breakroom Quiz

66th of 544 rated manufacturers

Job description

Overview
We are seeking an experienced, detail-oriented cost accountant to join our Accounting team. The individual will be responsible for understanding and performing detailed analysis of incurred costs, building reports, and working with individuals throughout the company to ensure proper cost accounting in accordance with our contracts, Federal Acquisition Regulations, and Cost Accounting Standards. Responsibilities may include, but are not limited to:
  • Performing detailed analysis over incurred cost.
  • Identifying and implementing process changes.
  • Developing systematic reports over key areas of cost.
  • Supporting monthly close activities.
  • Working on special projects, as needed.
  • Routinely working with multiple departments and functions across the organization.

Qualifications
Required:
  • Bachelor's Degree in Accounting.
  • Advanced in Microsoft Excel and other data analytic tools.
  • Proficient in Microsoft Word.
  • Five or more years of relevant accounting experience.
  • Experience and detailed knowledge of Cost Accounting Standards and Federal Acquisition Regulations.
  • Experience with and detailed knowledge of US Generally Accepted Accounting Principles.

Preferred:
  • Proficiency with Oracle EBS.
  • Proficiency with mainframe applications.
  • Certified Public Accountant certification.

Skills
  • Detail-oriented.
  • Strong analytical, problem-solving, and critical thinking abilities.
  • Excellent attention to detail and accuracy.
  • Solid understanding of financial principles, accounting standards, and financial analysis techniques.
  • Strong written and verbal communication skills.
  • Good interpersonal skills and ability to work independently or as part of a team.
  • Efficient time management and organizational skills.
  • Flexibility and adaptability to thrive in a fast-paced, dynamic environment.

What General Dynamics Electric Boat employees say

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