Dutech Systems ยท 1 day ago
Senior z/OS Systems Administrator NEW!
Austin, TX
Full-time
Onsite
Senior Level, Lead/Staff
8+ years expDutech Systems is seeking an experienced Senior z/OS Mainframe Systems Administrator to support and maintain a mission-critical mainframe environment. The ideal candidate will have hands-on expertise in z/OS administration, security, and performance monitoring, ensuring system stability and compliance with enterprise standards.
ConsultingInformation Technology
Responsibilities
Administer and support z/OS mainframe environments, ensuring system stability, performance, and security
Manage and support Top Secret Security (TSS), including access controls, security policies, and compliance
Administer JES2, z/OS Unix System Services (OMVS), and Storage Management Subsystem (SMS)
Configure and maintain TLS/SSL security, including certificate management, RSA keys, SFTP, and FTPS
Monitor system performance using tools such as RMF, SMF, and WLM, and perform initial analysis of performance issues
Support z/OS networking, including VTAM and TCP/IP configurations
Manage automated job scheduling and workload management using tools such as JOBTRAC
Apply system maintenance and upgrades using SMP/E
Support VSAM datasets, JCL, TSO, and GRS for daily operations
Utilize terminal emulator tools such as BlueZone and VTAM/SWITCH for system access and session management
Support and administer Informatica PowerExchange (preferred)
Develop and maintain scripts using REXX (preferred)
Collaborate with application teams, security teams, and infrastructure teams to resolve system issues and implement improvements
Ensure compliance with enterprise security, audit, and operational standards
Qualification
Required
8+ years of hands-on experience with TSS (Top Secret Security)
5+ years of hands-on experience administering z/OS environments
5+ years of experience with JES2, OMVS, and SMS
3+ years of experience with TLS configuration, including certificates, SSL, RSA keys, SFTP, and FTPS
Strong working knowledge of: z/OS operations, z/OS networking (VTAM, TCP/IP), JCL, VSAM, TSO, GRS, RMF, SMF, WLM, SMP/E, Job scheduling tools (JOBTRAC), Terminal emulation tools (BlueZone)
Preferred
Experience with REXX scripting
Experience with performance monitoring and tuning
Experience with Informatica PowerExchange administration
Strong troubleshooting, documentation, and communication skills
Company
Dutech Systems
Dutech Systems Inc (Certfied WBE| MBE| WOSB) is an Information Technology (IT) consulting company which provides technology consulting, implementation, management, support and application development services.
51-200 employees
Funding
Current Stage
Growth StageCompany data provided by crunchbase