Senior Mainframe Security Specialist

2 weeks ago


Marlborough, Massachusetts, United States United Services & Relations Inc Full time
Job Overview

Position: Senior Mainframe Security Specialist

Location: Remote

Visa Requirements: Open to various visa types including USC, GC, H1-B, and others

Key Competencies

Technical Skills: Proficiency in ACF2 Security, Application Security, Identity and Access Management (IAM), and certifications such as CISSP and CISSM.

Soft Skills: Ability to work autonomously and thrive in a dynamic, high-pressure environment.

Essential Qualifications
  • Over 7 years of experience in a mainframe setting.
  • Hands-on experience with ACF2 is mandatory, even if it has been a few years since last use.
  • Strong communication skills, capable of engaging in discussions with senior leadership.
  • Familiarity with CICS, DB2, IMS, MQSeries, and JES2.
  • Experience with Assembler and REXX/CLIST programming is highly desirable.
Minimum Requirements
  • In-depth knowledge of z/OS System and Security.
  • A minimum of 20 years of experience with z/OS.
  • Experience with z/OS assembler exits.
  • Proficiency in REXX/CLIST programming.
  • Experience in establishing SSL and Digital Certificates, along with risk assessment and business continuity planning.
  • Expertise in software/application security across z/OS, CICS, DB2, IMS, MQSeries, and JES2.
  • Proven ability to design and maintain an ACF2 security framework that secures data assets while enabling complex application ecosystems.
  • A passionate cybersecurity professional eager to expand skills into new technologies.
  • High energy, perseverance, and confidence to act as a Subject Matter Expert in ACF2 security.
  • Self-motivated with the ability to multitask, prioritize, and lead projects effectively.
Preferred Qualifications
  • Familiarity with ACF2/RACF role-based access governance.
  • Experience with IBM z/OS Connect.
  • Knowledge of Splunk, CyberArk, SailPoint, and their integration with mainframe systems.

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