Remote Mainframe & AS/400 Security Lead

TheCorporate; United States; On-site; USD 110,000 - 160,000; Full time

Job summary

TheCorporate seeks a Master Mainframe & AS/400 Security Administrator to deliver day-to-day managed security services across IBM z/OS and IBM i environments.

You will administer security configurations, manage user access with CA Top Secret (TSS) and QSECOFR, implement encryption, manage certificates, perform audits, respond to incidents, and collaborate with IAM/PAM controls, with after-hours support as needed.

Qualifications

• Experience administering security for IBM z/OS and IBM i (AS/400) systems.
• Hands-on with CA Top Secret (TSS) and QSECOFR.
• Experience with encryption technologies (Fortra, z/OS Pervasive).
• Experience managing certificates and PKI.
• Ability to conduct security audits and produce compliance reports.
• Experience responding to security incidents and performing investigations.

Responsibilities

• Administer security configurations for IBM z/OS and IBM i (AS/400).
• Manage user access, profiles, and permissions using TSS and QSECOFR.
• Implement and support encryption solutions (Fortra, z/OS Pervasive).
• Oversee certificate lifecycle management (issuance, renewal, revocation).
• Conduct security audits and generate compliance reports.
• Monitor, investigate, and respond to security incidents.
• Collaborate with IAM/PAM controls across teams.
• Provide after-hours support for critical incidents.

Skills

CA Top Secret (TSS)

IBM i/AS/400 Security

QSECOFR Profile Management

Fortra Encryption

Pervasive Encryption (z/OS)

PAM/IAM

Certificate Management

Security Auditing & Compliance

Incident Management & Response

Job description

TheCorporate seeks a Master Mainframe & AS/400 Security Administrator to deliver day-to-day managed security services across IBM z/OS and IBM i environments.

You will administer security configurations, manage user access with CA Top Secret (TSS) and QSECOFR, implement encryption, manage certificates, perform audits, respond to incidents, and collaborate with IAM/PAM controls, with after-hours support as needed.