Cyanous - Mainframe Security Administrator (5-7 yrs)

Job Description :

The Mainframe Security Administrator is responsible for managing and securing the enterprise mainframe environment. This role involves configuring, monitoring, and maintaining security policies to protect critical business data and ensure compliance with regulatory requirements. The administrator will work with RACF, ACF2, or Top Secret security systems to manage user access, enforce security controls, and mitigate potential security threats.

Key Responsibilities :

Access Control & Security Administration :

- Manage and administer mainframe security systems (RACF, ACF2, or Top Secret).

- Create, modify, and remove user accounts, groups, and roles as per business requirements.

- Implement and enforce security policies, access controls, and compliance measures.

- Maintain segregation of duties (SoD) and least privilege principles.

Security Monitoring & Incident Response :

- Monitor security logs and alerts for suspicious activities.

- Investigate security incidents and unauthorized access attempts.

- Work with cybersecurity teams to respond to and mitigate security breaches.

- Conduct regular audits and reviews of security configurations.

Compliance & Risk Management :

- Ensure compliance with industry regulations (PCI-DSS, SOX, GDPR, etc.).

- Participate in internal and external security audits.

- Document security policies, procedures, and audit findings.

- Implement security best practices to mitigate risks.

System & Security Enhancements :

- Stay updated with the latest mainframe security technologies and threats.

- Assist in patch management and security updates.

- Provide recommendations for security enhancements and automation.

Collaboration & Support :

- Work closely with IT infrastructure, network, and application teams.

- Provide technical guidance on security best practices.

- Assist in training users on security policies and procedures.

Qualifications & Skills :

Education & Experience :

- Bachelor's degree in Computer Science, Information Security, or related field.

- 4+ years of experience in mainframe security administration.

- Experience with RACF, ACF2, or Top Secret security systems.

Technical Skills :

- Knowledge of IBM z/OS, JCL, TSO, ISPF, and related mainframe technologies.

- Familiarity with SIEM tools, security auditing, and reporting.

- Understanding of encryption, authentication, and identity management.

- Experience with scripting languages (REXX, CLIST, or Python) is a plus.

Soft Skills :

- Strong analytical and problem-solving skills.

- Ability to work independently and in a team environment.

- Excellent communication and documentation skills.

Preferred Certifications :

- IBM Certified System Administrator - Security

- Certified Information Systems Security Professional (CISSP)

- Certified Information Security Manager (CISM)

- Security+ or other relevant security certifications