01Responsibilities
Administer and manage USS identities, including UIDs, GIDs, OMVS segments, and service/shared IDs based on policy. Enforce naming standards, ownership traceability, and lifecycle controls for USS users and services. Manage and audit POSIX permissions, ownership, and execution rights across critical USS file systems. Control and monitor privileged access, including UID(0), setuid/setgid programs, and elevated authorities. Administer USSrelated ESM controls (RACF/TSS), including UNIXPRIV, FACILITY resources, and STARTED task identities. Secure USS configuration files, shell environments, PATH settings, and file system mount options. Monitor USS security events, logs, and audit records. Support production issues, security incidents, and accessrelated investigations. Develop and maintain USS security standards, procedures, and documentation. What youll bring to the role: Required Skills: Bachelors degree and 10+ years of experience with mainframe and z/OS UNIX System Services. At least 6 years' relevant experience would generally be expected to find the skills required for this role. Strong handson experience securing USS environments. Proven experience administering RACF or equivalent ESM for USS. Solid understanding of: UIDs, GIDs, OMVS segments, and service IDs POSIX permissions, ownership, and execution controls Experience with USSrelated security controls, including: UNIXPRIV class FACILITY class resources impacting OMVS STARTED task identities for USS services Working knowledge of zFS/HFS file systems, mount options, and USS SMF/audit logging. Strong understanding of leastprivilege and separationofduties principles. Desired Experience with PKI, digital certificates, Kerberos, SSL/TLS, SSH, or OpenSSL. Exposure to systems programming concepts (e.g., SMP/E, SYS1 datasets, Assembler). Understanding of mainframe networking concepts. Experience supporting or securing middleware technologies (e.g., MQ). WHAT YOU CAN EXPECT FROM MORGAN STANLEY: At Morgan Stanley, we raise, manage and allocate capital for our clients helping them reach their goals. We do it in a way thats differentiated and weve done that for 90 years. Our values - putting clients first, doing the right thing, leading with exceptional ideas, committing to diversity and inclusion, and giving back - arent just beliefs, they guide the decisions we make every day to do what's best for our clients, communities and more than 80,000 employees in 1,200 offices across 42 countries. At Morgan Stanley, youll find an opportunity to work alongside the best and the brightest, in an environment where you are supported and empowered. Our teams are relentless collaborators and creative thinkers, fueled by their diverse backgrounds and experiences. We are proud to support our employees and their families at every point along their work-life journey, offering some of the most attractive and comprehensive employee benefits and perks in the industry. Theres also ample opportunity to move about the business for those who show passion and grit in their work. To learn more about our offices across the globe, please copy and paste https://www.morganstanley.com/about-us/global-offices into your browser. Morgan Stanley is an equal opportunity employer committed to building and maintaining a workforce that is .