✦ Luna Orbit — System Administration

Senior Mainframe Engineer

at Discover Financial Services

📍 2 Locations Unknown 💰 $161K – $184K USD / year Posted March 25, 2026
Salary $161K – $184K USD / year
Type Full-Time
Experience mid
Exp. Years 3+ years
Education High school diploma, GED or equivalent
Category System Administration

This role involves managing mainframe security systems, automating access controls, and troubleshooting security incidents within a financial institution's mainframe environment.

  • Manage mainframe security
  • Automate security processes
  • Troubleshoot security issues
  • Support IAM lifecycle
  • Ensure compliance

Focus on mainframe security tools including CICS, IBM z/OS, RACF, JCL, and Sailpoint IdentityIQ, supporting enterprise IAM and security operations.

The ideal candidate is a mid-level mainframe engineer with at least 3 years of experience in CICS Transaction Security, IBM z/OS, and security incident resolution. They should have strong knowledge of security tools like RACF, JCL, and Sailpoint IdentityIQ, and be capable of supporting enterprise security needs.

3 years experience with CICS Transaction Security3 years experience with IBM z/OS3 years experience with security issues
Bachelor's Degree4+ years troubleshooting end user issuesCyber Security Domain IAM Lifecycle ManagementFIS Systematics GN Transaction SecuritySailpoint IdentityIQSQLRole Based Access Controls
CICS Transaction SecurityIBM z/OSRACFTSOISPFSDSFJCLFIS Systematics GN Transaction SecuritySailpoint IdentityIQ
CICS Transaction SecurityIBM z/OSRACFTSOISPFSDSFJCLCyber SecurityIAM Lifecycle ManagementSQLRole Based Access ControlsFIS Systematics GN Transaction SecuritySailpoint IdentityIQ
CICS Transaction SecurityIBM z/OSRACFTSOISPFSDSFJCLCyber SecurityIAM Lifecycle ManagementSQLRole Based Access ControlsFIS Systematics GN Transaction SecuritySailpoint IdentityIQ
relationship buildingcommunicationproblem-solvingcollaborationadaptability
Industry Finance
Job Function Maintain and enhance mainframe security infrastructure
Role Subtype Mainframe Engineer
Tech Domains IBM z/OS, Cybersecurity, FIS Systematics, Sailpoint IdentityIQ
Clearance Required None
Visa Sponsorship No
mainframeCICSIBM z/OSRACFsecurityIAMCyber SecurityJCLSailpointFIS Systematicstransaction securityaccess managementIT securitysystem troubleshootingincident managementfull stacksecurity issuesIT supportSailpoint IdentityIQFIS Systematics GN

Less than 3 years experience with CICS or IBM z/OS, No experience with security issues, No familiarity with RACF or Sailpoint

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