Mainframe Application Developer – COBOL/DB2

Computer Task; Piscataway Township (NJ); On-site; USD 100,000 - 110,000; Full time

Job summary

CTG is seeking a Mainframe Application Developer to design, develop, test, and support COBOL-based applications in a DIN environment. The role includes maintenance, production support, and performance tuning for DB2 and SQL in a batch/online setting.

You will work with COBOL, JCL, CICS, z/OS utilities, and modern DevOps practices to ensure reliable operations. A Bachelor's degree and strong English communication are required.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or a related field preferred.
• Experience developing and supporting enterprise mainframe applications.
• Strong COBOL, JCL, DB2, and SQL experience.
• Experience with production support, incident resolution, debugging, and batch/online processing.

Responsibilities

• Develop, maintain, and support mainframe applications using COBOL, JCL, and DB2.
• Perform application enhancements, troubleshooting, debugging, testing, and production support.
• Analyze and resolve production incidents, abends, and batch processing issues.
• Support batch and online processing and collaborate with technical and business teams.
• Perform SQL queries, database updates, performance tuning, and application maintenance.
• Support legacy application modernization, integration, and data transformation initiatives.

Skills

COBOL

JCL

DB2/SQL

Mainframe dev

CICS

TSO/ISPF

z/OS utilities

Endevor

Control-M

Abend analysis

REXX

IBM MQ

Xpediter

DevOps CI/CD

Git/Jenkins

Zowe

Education

Bachelor's degree in Computer Science/IT or related field

Tools

Job description

CTG is seeking to fill a Mainframe Application Developer - COBOL/DB2 position for our client.

Location: Piscataway, NJ
Duration: 12 months

Duties

• Develop, maintain, and support mainframe applications using COBOL, JCL, and DB2.
• Perform application enhancements, troubleshooting, debugging, testing, and production support.
• Analyze and resolve production incidents, abends, and batch processing issues.
• Support batch and online processing and collaborate with technical and business teams.
• Perform SQL queries, database updates, performance tuning, and application maintenance.
• Support legacy application modernization, integration, and data transformation initiatives.

Skills

• COBOL / Enterprise COBOL
• JCL and DB2 / SQL
• Mainframe application development and production support
• CICS / CICS TS, VSAM, IMS DB/TM
• TSO/ISPF/SDSF and z/OS utilities
• Endevor/Changeman, CA 7/Control-M
• Abend analysis, including S0C4, S0C7, S0C9, and SB37
• REXX/CLIST, IBM MQ, Assembler, PL/I
• File-AID, Abend-AID, Xpediter
• Mainframe-to-distributed integration and legacy modernization
• DevOps/CI-CD, Git/Jenkins, Zowe/z/OSMF

Experience

• Experience developing and supporting enterprise mainframe applications.
• Strong COBOL, JCL, DB2, and SQL experience.
• Experience with production support, incident resolution, debugging, and batch/online processing.
• Experience with performance and batch optimization and mainframe application troubleshooting.
• Knowledge of RACF/mainframe security, API/REST enablement, application discovery, and dependency analysis is a plus.

Education

Bachelor's degree in Computer Science, Information Technology, or a related field preferred.

Excellent verbal and written English communication skills and the ability to interact professionally with a diverse group are required.

CTG does not accept unsolicited resumes from headhunters, recruitment agencies, or fee based recruitment services for this role.

The expected base salary for this position ranges from $100,000 to $110,000. Salary offers are based on a wide range of factors including relevant skills, training, experience, education, market factors, and where applicable, licensure or certifications obtained. In addition to salary, a competitive benefit package is also offered.

About CTG

CTG, a Cegeka company, delivers IT and business solutions that enhance clients' digital agility, empowering them to seize new opportunities and overcome any challenge. Backed by more than 60 years' experience and a commitment to being a reliable, results-driven partner, we work shoulder to shoulder with clients to shape digital together. Our vision is to be an indispensable partner to our clients and the preferred career destination for digital and technology experts. With more than 9,000 team members in over 15 countries, we combine global expertise with local insight to deliver innovative solutions. We operate across the Americas, Europe, and India, working with over 3,000 clients in many of today's highest-growth industries.

Together, we shape what's next-working shoulder to shoulder to deliver impactful solutions for our clients and society. Our culture is built by the people who work at CTG, the values we hold, and the actions we take. It's a living, breathing thing that is renewed every day through the ways we engage with each other, our clients, and our communities. At CTG, you'll find a workplace where you are encouraged to grow, supported in your ambitions, and empowered to shape your own career journey.

CTG will consider for employment all qualified applicants including those with criminal histories in a manner consistent with the requirements of all applicable local, state, and federal laws.

CTG is an Equal Opportunity Employer. CTG will assure equal opportunity and consideration to all applicants and employees in recruitment, selection, placement, training, benefits, compensation, promotion, transfer, and release of individuals without regard to race, creed, religion, color, national origin, sex, sexual orientation, gender identity and gender expression, age, disability, marital or veteran status, citizenship status, or any other discriminatory factors as required by law. CTG is fully committed to promoting employment opportunities for members of protected classes.