Find a jobRecruiters

System Admin II

Exclusive opportunity

Onsite

System Admin II

Security Service Federal Credit Union

System Admin II

Skills

System & Network Administration

2 months ago

Share this opportunity

Share this opportunity to other talents of your network:
✓ Offer them a visibility boost with clients.
✓ Help your contacts find their next job.

Important information


Contract type:

Permanent

Location:

San Antonio, TX, USA

Work mode:

Onsite

Published on:

27 August 2026

What they need


What You Will Do Manage user accounts across (Creation/deletion/management) on Mainframe platforms like TSO, OMVS, RACF etc. Run ad-hoc reports and troubleshoot access and profile issues. Work closely with internal teams, and third-party vendors on RACF related projects. Lead RACF security projects for a complex mainframe environment. Analyze RACF security requirements and define appropriate RACF access rules or profiles. Have a good understanding and knowledge of RACF SSL/TLS certificates. Responsible for maintaining all RACF SSL/TLS certificates for the Mainframe, and Mainframe third-party environments. Review and analyze daily RACF activity and create violation summary and detail reports. Manage employee onboarding and termination processes as it relates to technology ensuring new users are set up with required access to Mainframe systems/subsystems, and terminated users no longer have access to Mainframe systems/subsystems. Ability to troubleshoot, and resolve issues related to security and permissions pertain to RACF and knowledge on group policies/delegation of rights in the RACF environment. Regularly perform housekeeping duties to keep Office Unit hierarchy clear of stale, unused, expired, and other no longer needed objects, user id’s et al. Conduct routine and regular ongoing reviews of security audit and control procedures. Understanding of audit and compliance requirements. Work closely with Auditors, walkthrough process & policy. Provide solution, remediation, process for audit, and compliance issues. Lead and motivate the team on the process and new initiatives. Additional responsibilities may include the following: Provide technical support of implementation and maintenance of third-party software that support a complex z/Series operating environment. Collaborate with other system administrators, systems Programmers, network, and application teams to perform daily activities ranging in complexity and will help with the installation, configuration, upkeep, and reliable operation of the Mainframe environment. Help in the installation, testing, and maintenance of systems software and hardware including operating systems, compilers, utilities, monitoring tools, and network communications components. Help, in analyzing, diagnosing, and resolving operating system and program product related issues. Help with the installation, and maintenance of the operating subsystems such as disk/DASD storage management including knowledge of SMS storage. Help in the research of system and application problems involving multiple system components and unknown causes, in a time-critical environment. Perform routine and on-call systems programming support and troubleshooting. Helps application areas, as needed, in troubleshooting, use of tools. Complete any other job-related duties needed to help drive to our Vision, fulfill our Purpose, and abide by our Organization’s Values.

What We Require Bachelor’s degree in management, Computer Information Systems and a minimum 8-year experience in an IBM z/OS environment with 6 years of it in RACF, or 10 years comparable experience in an IBM z/OS environment with 8 years of it in RACF.

Ideal Candidate Will Have Working knowledge with z/Series operating environments. RACF Security. Networking fundamentals experience, preferably IBM medium to large system mainframes. Working knowledge in z/OS. Good interpersonal, analytical, written, and verbal communication skills. Able to read and understand complex technical documents and periodicals. Ability to work in a team environment, meet deadlines, and take on a high level of responsibility and accountability. Provide seven day a week, twenty-four hour a day support. Availability for periodic travel to work-site locations or Disaster recovery locations.

Other offers great for you!

These companies are also looking for great profiles

Vorstone

Finance System Specialist

520

Freelance

Lille, France

Hybrid

Skills

AccountingSpécialiste Systèmes et Processus FinanceAnalyse de fluxAccompagnement Projets et Support OpérationnelRéférentiel Fiscal et Reporting

6 days ago

Quick apply

Caboost

Dév Front-end React / TypeScript – Design System & Accessibilité (H/F) - AO876

420

Freelance

Lille, France

Hybrid

Skills

ReactTypescriptJavaHTMLCSSSpring BootJavascript

10 hours ago

Quick apply

Neonum

Data Engineer Databricks / Unity Catalog – Admin Big Data Azure & Migration PaaS

510-540 € HT

Freelance

Paris, France

Hybrid

Top Recruiter

Skills

Data EngineeringDatabricksUnity CatalogPaaS

9 hours ago

Quick apply

The best place to find your next move

© 2026. All Rights Reserved.

Talents

Find a job

Create a profile

Solutions and tools