Senior Mainframe DB2 & Cloud Integration Engineer

Capital One Group; Illinois; Hybrid; USD 150,000 - 171,000; Full time

Job summary

Capital One is seeking an Integration Engineer to modernize mainframe systems and enable secure cloud connectivity for DB2 on z/OS. The role emphasizes performance tuning, DR planning, and cross-team collaboration across Agile squads.

You will manage IBM DB2 environments, apply encryption and access controls, and mentor junior staff, while aligning with enterprise data security standards and payment processing systems.

Qualifications

• Bachelor's degree and 4+ years designing cross-platform or cloud integrations.
• 3+ years automating system configuration or data workflows.
• 3+ years with relational database systems or Mainframe DB2.

Responsibilities

• Manage and administer IBM DB2 on z/OS environments; act as SME for DB2 DBA activities.
• Lead mainframe maintenance and modernization with focus on resiliency, high availability, and DR of applications.
• Use DB2 performance tools to optimize batch and online processing.
• Ensure data integrity, security, and encryption; manage x509 certs and mainframe security (RACF/ACF2/Top Secret).
• Bridge legacy systems and cloud by enabling secure, distributed connectivity to DB2; expose Mainframe RESTful APIs and Python on z/OS.
• Collaborate in Agile teams (Jira/Confluence); document system configurations and architectures.
• Mentor juniors and drive continuous improvement of database engineering practices.

Skills

DB2 on z/OS

Mainframe

JCL

CICS

Python on z/OS

RACF/ACF2/Top Secret

x509 certificates

Security management

Jira/Confluence

Cloud connectivity

COBOL

Disaster recovery

Education

Bachelor's Degree

Tools

Omegamon

Query Workload Tuner

IBM Admin Tool Suite

Jira

Confluence

Job description

Capital One is seeking an Integration Engineer to modernize mainframe systems and enable secure cloud connectivity for DB2 on z/OS. The role emphasizes performance tuning, DR planning, and cross-team collaboration across Agile squads.

You will manage IBM DB2 environments, apply encryption and access controls, and mentor junior staff, while aligning with enterprise data security standards and payment processing systems.