Mainframe Security Engineer - Logical Security New

NetVerks Inc.; Chennai District; On-site; INR 8,629,000 - 13,423,000; Full time

Job summary

Ensono seeks a Mainframe Systems Programmer to manage RACF security on IBM z/OS, ensuring integrity and compliance for enterprise systems. The role requires hands-on RACF administration, certificate handling, and close collaboration with auditors and operations teams.

Ideal candidates have 3–7 years of experience with RACF, z/OS security, and related tooling, plus strong analytical and communication skills. US client hours EST and enterprise security focus define the work environment.

Qualifications

• Hands-on RACF security administration experience.
• Strong knowledge of z/OS security architecture.
• Experience with TSO/ISPF, JCL, SDSF, and IBM utilities.
• Familiarity with audit/compliance processes in mainframe security.
• Experience handling digital certificates and PKI in z/OS.

Responsibilities

• Administer and maintain RACF security definitions, user IDs, groups, datasets, and resource profiles.
• Implement and manage access controls for z/OS systems, applications, datasets, and subsystems.
• Monitor RACF logs, SMF records, and security events for compliance and incident response.
• Support security audits and ensure regulatory compliance.
• Analyze and resolve RACF-related incidents and access issues.
• Collaborate with application teams to implement secure access solutions.
• Develop and maintain operational procedures and security documentation.
• Support system upgrades, migrations, and new security features.
• Work with system programmers, auditors, and cybersecurity teams to strengthen security posture.

Skills

RACF Security

z/OS Security

TSO/ISPF

JCL

SMF/ Audits

Digital Certificates

Change/Incident Mgmt

Tools

zSecure

Digital Certificates

Job description

Job Description - Mainframe Systems Programmer (RACF Security Administration)

ABOUT US Ensono is a hybrid IT services provider that sees a world in transformation. We understand the world of business has become more complex, layered, and interdependent because we' re enabling the IT infrastructure for that transformation. Our clients are some of the most innovative and forward-thinking companies in the world and we help keep their businesses thriving. With nearly 50 years of experience, we optimize and modernize IT infrastructure by amplifying the power of mainframes and mid-range servers with the agility of cloud. Check us out at www.ensono.com.

The Mainframe Systems Programmer - RACF Security Administration is responsible for the administration, maintenance, support, and enhancement of IBM z/OS security environments with a strong focus on RACF (Resource Access Control Facility). This role ensures the integrity, confidentiality, and availability of enterprise mainframe systems while supporting compliance, audit, and operational requirements. As well as Digital Certificate renewals and creation.

Position Summary This career-level position provides technical support and administration for enterprise mainframe security infrastructure. The ideal candidate will possess hands-on experience with RACF administration, z/OS system security, user provisioning, access controls, auditing, digital certificates and compliance standards. The role requires collaboration with infrastructure teams, auditors, application support, and business stakeholders to maintain a secure and stable mainframe environment.

Key Responsibilities

• Administer and maintain RACF security definitions, user IDs, groups, datasets, and resource profiles.
• Implement and manage access controls for z/OS systems, applications, datasets, and subsystems.
• Monitor RACF system logs, SMF records, and security events for compliance and incident response.
• Support security audits and ensure compliance with organizational and regulatory requirements.
• Analyze and resolve RACF-related incidents, access issues, and security vulnerabilities.
• Collaborate with application teams to implement secure access solutions and role-based access controls.
• Develop and maintain operational procedures, standards, and technical documentation.
• Support system upgrades, migrations, and implementation of new security features.
• Work closely with system programmers, auditors, and cybersecurity teams to strengthen enterprise security posture.

Required Qualifications

• 3-7 years of experience supporting IBM z/OS mainframe environments.
• Hands-on experience administering RACF security in enterprise environments.
• Strong understanding of z/OS security architecture and mainframe operations.
• Experience with TSO/ISPF, JCL, SDSF, and IBM utilities.
• Knowledge of SMF records, security reporting, and audit compliance processes.
• Experience troubleshooting security access issues and implementing corrective actions within client scope.
• Understanding of change management, incident management, and operational support procedures.
• Strong analytical, problem-solving, and communication skills.

Preferred Qualifications

• Experience with zSecure, native RACF commands and Digital Certificates.
• Knowledge of CICS, DB2, IMS, MQ, and other mainframe subsystems.
• Experience with automation and scripting in z/OS environments.
• IBM Mainframe or RACF-related certifications are a plus.

Category | Skills Operating Systems | IBM z/OS Security | RACF, zSecure, SMF, Audit Controls Mainframe Tools | TSO/ISPF, SDSF, JCL Subsystems | CICS, DB2, IMS, MQ Processes | Access Management, Incident Response, Compliance Audits, Digital Certificates Documentation | Technical Procedures, Security Standards

Work Environment

This position operates in a highly regulated enterprise IT environment supporting mission-critical mainframe systems. Participation in weekend maintenance windows and after-hours support activities is required. This is a position based on US client hours EST.

Equal Opportunity Statement

The organization is committed to creating an inclusive environment for all employees and is proud to be an equal opportunity employer. Employment decisions are based on qualifications, merit, and business needs. We are an equal opportunity employer. All qualified applicants will be considered for employment without regard to caste, colour, creed, religion, gender, gender identity, sexual orientation, age, disability, HIV status, or any other status protected by law. Candidates with disabilities who require accommodations during the recruitment process are encouraged to contact our Talent Acquisition team to place a request.

Shift Timing- 1:30 PM to 10:30 PM