Mainframe Engineer

The Tekstudios; Arizona; On-site; USD 120,000 - 170,000; Full time

Job summary

The Tekstudios seeks a seasoned Mainframe Engineer in Phoenix, AZ to support high-volume banking and payments systems. You will work with IBM z/OS, COBOL, JCL, and DB2 to ensure reliability and performance.

The role emphasizes data engineering concepts, batch and real-time processing, and integration with distributed systems via APIs. Excellent problem-solving and communication are essential.

Qualifications

• Strong mainframe engineer with 10+ years of experience.
• Extensive experience with IBM z/OS environments.
• Proficiency with COBOL, JCL, DB2, CICS, IMS, VSAM.
• Experience supporting high-volume transaction processing systems in banking/financial services.
• Understanding of data engineering concepts including ingestion, transformation, quality, metadata management, and lineage.
• Experience with batch and real-time data processing patterns.
• Experience with relational databases such as DB2, Oracle, PostgreSQL.
• Experience integrating mainframe applications with distributed systems using APIs, messaging platforms, or event-driven architectures.
• Understanding of banking and payments domains including money movement, ACH, settlement, reconciliation, or ISO20022 messaging standards.
• Experience supporting highly available, mission-critical platforms with demanding service-level objectives.
• Strong analytical, problem-solving, and troubleshooting skills.
• Excellent written and verbal communication skills.

Job description

Role: Mainframe Engineer

Location: Phoenix, Arizona

Client: Virtusa/Amex

Local Candidate preferred

Detail

Strong MF engineer with at least 10+ years of experience

Extensive experience working in IBM z/OS environments.

Strong proficiency with COBOL, JCL, DB2, CICS, IMS, VSAM, or related mainframe technologies.

Experience supporting high-volume transaction processing systems within banking, payments, financial services, or other regulated industries.

Strong understanding of data engineering concepts including ingestion, transformation, quality, metadata management, and lineage.

Experience with batch and real-time data processing patterns.

Experience with relational databases such as DB2, Oracle, PostgreSQL, or equivalent platforms.

Experience integrating mainframe applications with distributed systems using APIs, messaging platforms, or event-driven architectures.

Understanding of banking and payments domains including money movement, ACH, settlement, reconciliation, or ISO20022 messaging standards.

Experience supporting highly available, mission-critical platforms with demanding service-level objectives.

Strong analytical, problem-solving, and troubleshooting skills.

Excellent written and verbal communication skills.