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# Lead Info Sec Ops Specialist - IAM Unix Specialist

- **Company:** TIAA
- **Location:** Frisco, TX, United States
- **Experience:** Expert
- **Salary:** $108,000.0 - $130,000.0
- **Contract:** Permanent contract
- **Skills:** Bash Shell, Unix, Cloud Computing Security, Cyber Security, Data Files, Perl (Programming Language), Identity and Access Management, Information Systems Security Architecture Professional, Python (Programming Language), Korn Shell, Network Security, Mainframes, PCI Data Security Standards, IBM Resource Access Control Facility, Session Management, Shell Script, Scripting, Information Technology, User Administration
- **Published:** October 15, 2026
- **Apply:** https://www.dice.com/job-detail/571627ad-786e-45e1-aa8d-d72a09043eb2

## About the Role

* University (Degree) Preferred, * 5+ years of experience in information technology and/or Cybersecurity
 * 3+ years of Unix/Linux
 * Experience with scripting (Ex. Bash, KSH, Python, Perl)

Preferred Qualifications

 * RACF administration experience
 * Strong hands-on experience with BoKS ServerControl (or similar centralized Unix access control solutions) - Privileged Access Management (Ex. BeyondTrust EPM)
 * Experience in a containerized environment

Related Skills

Accountability, Adaptability, Business Continuity Planning, Cloud Computing Security, Collaboration, Communication, Compliance, Consultative Communication, Cybersecurity, Detail-Oriented, General Risk Management, Network Security, Prioritizes Effectively

## Description

We are seeking a Lead Information Security Specialist to safeguard critical enterprise Unix/Linux/Mainframe systems through specialized expertise in privileged access management, sudo administration, and RACF administration. This role designs and maintains complex IAM access control solutions, conducts security audits for regulatory compliance (SOX, GLBA), develops automated security scripts, bridges Unix and RACF privileged access controls with enterprise IAM solutions, and preserves institutional knowledge through documentation and mentorship. The position requires expertise in Unix/Linux system fundamentals, sudo policy management, Unix privileged access management administration, and modern security framework implementation. Key Responsibilities

 * Design and maintain sudo access control policies across enterprise Unix/Linux environments, including sudoers file management, command restrictions, and privilege escalation controls to enforce least-privilege access principles.
 * Administer and optimize Unix privilege access management solution infrastructure, including centralized authentication policies, access rules, host groups, and privileged session management across the Unix/Linux server fleet.
 * Manage Mainframe RACF environment including user management, Dataset permissions, batch job maintenance, general resource profile management.
 * Conduct specialized Unix and RACF security audits to ensure compliance with financial industry regulations (SOX, GLBA, PCI-DSS) and collaborate with internal/external auditors to demonstrate control effectiveness.
 * Develop automated security scripts and tools using shell scripting, Python, and Perl to streamline access reviews, policy enforcement, and compliance reporting across Unix environments.
 * Serve as technical bridge between BoKS/sudo privileged access controls and enterprise IAM solutions, designing integration strategies that align with overall cybersecurity architecture.
 * Identify, assess, and remediate access control gaps including sudo misconfigurations, privilege escalation risks, and BoKS policy gaps, through regular access reviews and risk assessments.
 * Provide expert guidance and mentorship to team members on Unix access control concepts, while maintaining comprehensive documentation of sudo policies, BoKS configurations, and security procedures.