What are the responsibilities and job description for the ZOS System Administrator position at GTSC?

Job Description

Overview : We are seeking a highly experienced and motivated Z / OS Systems Administrator to lead technical support and management for IBM z / OS mainframe-based solutions. This position requires a deep understanding of mainframe operations, system integration, and advanced troubleshooting capabilities. The ideal candidate will have a blend of technical expertise, strong communication skills, and experience in financial services or similar environments.

Key Responsibilities :

Technical Support and Maintenance
Provide senior-level technical support for IBM z / OS mainframe systems, including installation, implementation, administration, and maintenance.
Perform problem determination and resolution, including system dump analysis and root cause identification for outages and system issues.

System Upgrades and Fixes

Collaborate with team members and vendors to capture and analyze system dumps, apply system fixes and patches, and coordinate testing and roll-out of new system versions.

System Software and Infrastructure Management

Install, maintain, and customize operating systems and third-party ISV system software.

Configure, debug, and maintain TCPIP and VTAM subsystem configurations.

Prepare and install system software, adhering to vendor and site-specific installation protocols.

Large-Scale System Integrity

Participate in the installation, implementation, and performance testing of IBM z / OS Parallel Sysplex systems, including shared and cluster queues.

Manage LPAR environments and ensure the reliability and integrity of large-scale systems.

Collaboration and Coordination

Work closely with technical teams, internal stakeholders, and vendor support to ensure seamless roll-out of new systems and solutions.

Effectively communicate technical issues and solutions with staff, customers, and other IT personnel at all levels.

Qualifications :

Education and Experience :

BA / BS in Computer Science, Engineering, or an equivalent combination of education or experience.

Six or more years of experience in mainframe operations management, including TCPIP and VTAM configuration and debugging.

Technical Skills :

Advanced knowledge of z / OSMF, AT-TLS rules, IPSEC policies, SMP / E, TSO / ISPF, SDSF / ISPF, and LPAR management.

Strong understanding of standard systems integration tools and practices.

Analytical and Communication Skills :

Strong analytical skills with the ability to troubleshoot and resolve complex issues.

Excellent written and oral communication skills, with the ability to convey technical concepts to various audiences.

Preferred :

Experience in a financial services environment.

GTSC participates in the E-Verify program in all locations as required by law. Learn more about the E-Verify program. Learn more about the E-Verify program.

Company Description

Overview :

GTSC is a dynamic Government Contracting firm that offers IT & Engineering and Health & Wellness professional services directly to the Federal Government or to other prime contracting companies. Our staff members are expert in all aspects of IT, as well as support services to the country’s veteran community.

Company Description

Overview : GTSC is a dynamic Government Contracting firm that offers IT & Engineering and Health & Wellness professional services directly to the Federal Government or to other prime contracting companies. Our staff members are expert in all aspects of IT, as well as support services to the country’s veteran community.

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