Mainframe Security Architect (Hybrid)

Alpha Omega; Vienna (VA); Hybrid; USD 85,000 - 130,000; Full time

Benefits offered by this job

15 days PTO

11 Federal holidays

Health and Dental Insurance

Life Insurance

401(k) plan with employer match

FSA/DFSA/HSA

Tuition & Professional Development Re

Job summary

Alpha Omega is seeking a motivated Mainframe Security Specialist to join our team supporting U.S. government programs. The role is hybrid with potential remote work across the U.S. and involves securing mainframe authentication, authorization, and access controls on z/OS, JES2/JES3 and USS environments.

You will work with SMS, VSAM, IDCAMS, JCL, ISPF, SDSF, and REXX scripts to automate and monitor operations, ensuring DR/BCP readiness and compliant ITIL processes.

Qualifications

• 5+ years of mainframe security and operations experience.
• Experience with z/OS, SMS, and dataset management.
• Knowledge of RACF-like access controls and auditing is a plus.

Responsibilities

• Administer authentication, authorization, and access controls on the mainframe.
• Monitor system logs, jobs, and resources using SDSF and JES/ISPF tools.
• Write and maintain REXX/CLIST scripts to automate tasks.
• Support DR/BCP readiness and change management processes.

Skills

Mainframe security

JCL

TSO/ISPF

SDSF

z/OS UNIX (USS)

REXX scripting

CLIST scripting

IDCAMS/IEBCOPY/DFSORT

CICS/IMS basics

Incident/change management

Tools

SMS (Storage Management)

VSAM/DSN

JES2/JES3

z/OS utilities

Job description

Alpha Omega is seeking a motivated Mainframe Security Specialist to join our team supporting U.S. government programs. The role is hybrid with potential remote work across the U.S. and involves securing mainframe authentication, authorization, and access controls on z/OS, JES2/JES3 and USS environments.

You will work with SMS, VSAM, IDCAMS, JCL, ISPF, SDSF, and REXX scripts to automate and monitor operations, ensuring DR/BCP readiness and compliant ITIL processes.