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Tata Consultancy Services · Plano, TX

# Senior Mainframe,.NET Developer

Plano, TX Senior individual contributor $95,000 - 110,000 Software Engineering 

Last seen on Tata Consultancy Services’s official careers site on August 1, 2026; it may have closed since.
[Apply on Tata Consultancy Services’s careers site →](https://ibegin.tcsapps.com/candidate/jobs/423686J)

[OpenNash Jobs](https://jobs.opennash.com/) / [Tata Consultancy Services](https://jobs.opennash.com/companies/tata-consultancy-services/) / Senior Mainframe,.NET Developer

## Job description

### Must Have Technical/Functional Skills Primary Skill

Senior Mainframe,.

### NET Developer Secondary

JIRA, Jenkins, Github.

### Experience

Minimum 7 years Roles & Responsibilities Senior Mainframe Developer – COBOL, DB2, CICS with.NET Experience We are seeking a highly skilled Mainframe Developer with strong expertise in COBOL, DB2, CICS, JCL, VSAM, and working knowledge of.NET technologies. The ideal candidate will be responsible for maintaining, enhancing, and modernizing critical enterprise applications while supporting integration between Mainframe and distributed.NET platforms.

Experience in Mainframe modernization programs, Knowledge of Micro Focus COBOL or IBM z/OS Connect. understanding of DevOps, CI/CD, and Git.

### Key Responsibilities
- Analyze, design, develop, test, and support Mainframe applications.
- Develop and maintain applications using COBOL, DB2, CICS, JCL, VSAM, and IMS.
- Perform production support, incident resolution, and root cause analysis.
- Create and optimize DB2 queries, stored procedures, and database performance.
- Design and implement interfaces between Mainframe and.NET applications.
- Participate in application modernization and migration initiatives.
- Collaborate with business analysts, architects, and cross-functional teams.
- Conduct code reviews and ensure adherence to development standards.
- Prepare technical specifications, design documents, and operational procedures.
- Support regulatory, compliance, and audit requirements in enterprise environments.

### Required Skills

Mainframe Technologies COBOL/ DB2 / CICS /JCL /VSAM / IBM Utilities.

### NET Technologies

C# /ASP.NET,.NET Framework / Web API Services / SQL Server TCS Employee Benefits Summary: Discretionary Annual Incentive.

### Comprehensive Medical Coverage

Medical & Health, Dental & Vision, Disability Planning & Insurance, Pet Insurance Plans.

### Family Support

Maternal & Parental Leaves.

### Insurance Options

Auto & Home Insurance, Identity Theft Protection.

### Convenience & Professional Growth

Commuter Benefits & Certification & Training Reimbursement.

### Time Off

Vacation, Time Off, Sick Leave & Holidays.

### Legal & Financial Assistance

Legal Assistance, 401K Plan, Performance Bonus, College Fund, Student Loan Refinancing.

### Salary Range

$95,000 - 110,000 a year

## Qualifications

BACHELOR OF COMPUTER SCIENCE

## At a glance
- Posted by the employer: Not stated
- First seen by OpenNash: Aug 1, 2026
- Last checked: Aug 1, 2026
- Listed for: Under a day
- Location: Plano, TX
- Pay: $95,000 - 110,000[Apply on Tata Consultancy Services’s careers site →](https://ibegin.tcsapps.com/candidate/jobs/423686J)

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