Z/OS Systems Administrator Job at ClearBridge Technology Group

Mainframe Storage Administrator

The Mainframe Storage Administrator is responsible for the configuration, mainte...

Location

United States

Salary:

45.00 - 71.50 USD / Hour

ClearBridge Technology Group

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Computer Science, Information Systems, or equivalent experience
5+ years of experience in mainframe storage administration
Proficiency in z/OS, DFSMS, and related IBM storage technologies
Experience administering DASD, tape libraries, and virtual tape systems in a z/OS environment
Familiarity with SAN/NAS environments and enterprise backup tools (e.g., IBM Spectrum Protect)
Experience planning and performing upgrades, migrations, etc
Experience with performance tuning and capacity planning

Job Responsibility

Configuration, maintenance, and optimization of enterprise mainframe storage systems
Ensure high availability, performance, and data integrity across all storage platforms
Collaborate with cross-functional teams to implement scalable storage solutions and troubleshoot complex issues
Storage infrastructure management
Monitor and manage storage capacity, performance, and utilization
Implement and maintain backup and recovery procedures to ensure data protection
Analyze storage performance metrics and resolve bottlenecks
Tune storage configurations for optimal throughput and reliability
Planning and execution of storage upgrades and migrations
Perform firmware updates, patching, and hardware lifecycle management

What we offer

Excellent benefits and compensation packages

Database Administrator

Location

United States , Harrisburg

Salary:

Not provided

Ocean Blue Solutions

Expiration Date

Until further notice

Requirements

10+ years DB2 experience
Excellent knowledge of DB2 z/OS Database Support, including but not limited to the following: z/OS DB2 12 for zOS or higher in a production environment with high transaction rates
High availability 24x7 designs and techniques
Managing large data stores
DB2 V10 utilities setup and execution
DB2 performance and tuning
Data Modeling expertise – logical and physical design
Complex SQL coding / tuning
Data Warehouse design with an understanding of OLAP design and query solutions
DB2 attachments/interfaces include DRDA, DB2Connect

Job Responsibility

Design and maintain DB2 Database applications which have the following characteristics: Design for high availability
Design for maximum performance
Maintain and develop techniques and procedures to provide 24x7 availability
Provide production and test database support in a complex environment
Perform all functions which are performed by a DB2 Database Administrator, such as: SQL code reviews
Performance Monitoring and Tuning DB2 at the application database level
Enforce appropriate DB2 security standards
Collaborate with the DB2 systems programming staff to appropriately manage DSNZPARM settings
Create, manage and support DB2 Stored Procedures, DB2 Triggers, and DB2 Referential Integrity
Create Change Requests, Resolve Service Requests, Provide 24x7 On call support

Sr Mainframe Security Administration

This position supports enterprise legacy systems as a Senior-level Mainframe Top...

Location

United States , Austin

Salary:

Not provided

MMC Group LP

Expiration Date

Until further notice

Requirements

Eight or more years of hands-on experience with Top Secret Security (TSS) administration
Five or more years of hands-on experience with z/OS systems administration
Five or more years of experience with JES2, z/OS UNIX System Services (OMVS), and Storage Management Subsystem (SMS)
Three or more years of experience with TLS configuration, including certificates, SSL, RSA keys, SFTP, and FTPS

Job Responsibility

Serve as the subject-matter expert for Mainframe Top Secret Security (TSS) administration, ensuring data security and regulatory compliance
Perform senior-level systems administration for z/OS environments, supporting agency mainframe applications and infrastructure
Execute day-to-day system administration activities, including configuration, break/fix support, and base user account provisioning
Manage certificate renewals, TLS configurations, and access control within mainframe environments
Conduct routine security administration, performance monitoring, system monitoring, and maintenance activities
Diagnose platform and software issues, perform root cause analysis, and implement corrective actions
Support mainframe production control processes, job scheduling, and batch operations
Coordinate with Network Administration, Customer Support, and Applications Development and Support teams to ensure stable daily operations
Provide end-user support for assigned Independent Software Vendor products, including terminal emulation tools
Support data entry and control processes and oversee operational coordination within a consolidated data center environment

What we offer

Medical, dental, and vision coverage
Life and disability insurance
Additional voluntary benefits

Fulltime

Database Administrator

We are looking for an experienced Database Administrator to join our team on a c...

Location

United States , New Haven

Salary:

Not provided

Robert Half

Expiration Date

Until further notice

Requirements

Proven experience with DB2 Z/OS and DB2 database platforms
Proficiency in database management tools such as Microsoft SQL Server, Azure SQL Database, and MySQL
Strong knowledge of scripting and stored procedures in relational database environments
Expertise in performance tuning to optimize database systems
Familiarity with Linux-based tools like VI Editor and Cron scheduling
Ability to work effectively in a collaborative team environment
Solid understanding of database security protocols and best practices
Strong analytical and problem-solving skills to address complex database issues

Job Responsibility

Manage and maintain database systems including DB2 Z/OS, DB2, and Snowflake to ensure efficiency and reliability
Utilize database management tools such as VI Editor (Linux), Cron scheduling, and Mainview for effective database operations
Develop and optimize stored procedures within relational database environments for enhanced performance
Perform performance tuning and troubleshooting to address database issues and improve system functionality
Monitor database security and implement measures to safeguard sensitive information
Collaborate with other teams to ensure seamless integration and operation of database systems
Create and maintain documentation for database processes, configurations, and standards
Conduct regular backups and recovery operations to minimize data loss
Stay updated on industry trends and advancements to incorporate best practices into database management

What we offer

medical
vision
dental
life and disability insurance
401(k) plan

Fulltime

Mainframe Z/oS

Location

United States

Salary:

140000.00 USD / Year

Realign

Expiration Date

Until further notice

Requirements

In-depth knowledge and hands-on experience with z/OS operating system installation, configuration, and maintenance
Proven experience with major z/OS upgrades
Strong proficiency in JCL, TSO/ISPF, SMP/E, JES2/JES3 Administration
Sysplex concepts (Parallel Sysplex, Coupling Facility, XCF)
Extensive experience with the installation and support of various ISV products from vendors such as Broadcom/CA, BMC, IBM, and Rocket Software
Knowledge of z/OSMF and modernization initiatives
WLM configuration and tuning

Job Responsibility

Plan, prepare, and execute z/OS operating system upgrades
Apply IBM PTFs and APARs to maintain system integrity and resolve reported issues
Monitor z/OS system health, performance, and resource utilization using tools like RMF, SMF, TMON and SAS
Install, configure, upgrade, and maintain a wide range of ISV products (e.g., Broadcom/CA, BMC, IBM, Rocket Software, etc.)
Have good understanding and experience on Hardware Configuration Definitions / IOCP and HMC Management and WLM management
Collaborate with vendors for problem resolution, licensing, and technical support
Ensure compatibility and integration of ISV products with the z/OS environment
Manage and maintain critical system datasets (e.g., SYSRES, Page datasets, SMF datasets)
Provide expert-level support for mainframe incidents, including problem determination, diagnosis, and resolution in a timely manner
Analyze system performance data to identify bottlenecks and recommend improvements

Fulltime

Z/OS Mainframe Systems Programmer

The z/OS Mainframe Systems Programmer will be responsible for upgrading and supp...

Location

United Kingdom , Sheffield

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

Multiple years of z/OS systems programming experience
Very strong Parallel Sysplex skills
z/OS, TSO/ISPF, USS, SDSF, JCL, RACF
Installation of several different IBM and CA products
Extensive experience of installing many IBM and CA products
Deep mastery of z/OS architecture, including IPL procedures, JES2/JES3 configurations, Sysplex management, SMF data collection, and parmlib customization
Proficient in writing and debugging system-level routines and automation: Assembler for exits and control blocks, REXX for scripting and batch utilities, JCL for job submission, parameterization, and workflow control
Managing hardware and logical resources across LPARs: DASD and tape allocation via HCD/HCM, LPAR configuration in HMC, Security administration using RACF or equivalent
Analytical troubleshooting of abends, storage hangs, and performance anomalies using: Dump analysis with IPCS, SLIP and trace tools, System logs and console messages
Ensuring data integrity and swift recovery with: DFSMShsm policies and recall management, FDR/ABR for high-speed backups, FlashCopy or virtual tape replication for near-instant restores

Job Responsibility

Upgrading, maintaining and supporting the z/OS operating system
Upgrading, maintaining and supporting ISV products particularly from vendors: IBM and Computer Associates (CA)
Working closely with the other Engineering teams to ensure the systems that are built are stable, available, up to date and running as effectively and efficiently as possible
Managing hardware and logical resources across LPARs: DASD and tape allocation via HCD/HCM, LPAR configuration in HMC, Security administration using RACF or equivalent
Ensuring data integrity and swift recovery with: DFSMShsm policies and recall management, FDR/ABR for high-speed backups, FlashCopy or virtual tape replication for near-instant restores
Optimizing system throughput and response times utilizing: RMF and SMF report analysis, OMEGAMON or BMC MainView dashboards, WLM classification and tuning
Configuring and supporting mainframe connectivity: VTAM and SNA definitions, TCP/IP stack on z/OS, OSA adapter and Coupling Facility communication
Executing OS and product upgrades with industry-standard utilities: SMP/E for PTF, APAR, and deliverable management, z/OSMF workflows for streamlined maintenance, Broadcom (e.g., Topaz), IBM, and BMC tooling for fix management and compliance reporting

What we offer

Comprehensive, locally competitive benefits package

Fulltime

Database Administrator

Job Description: Experience The candidate must have skill and 15 years combined ...

Location

United States , East Brunswick

Salary:

83803.00 USD / Year

eGrove Systems

Expiration Date

Until further notice

Requirements

15 years combined experience in database administration for DB2 for z/OS
15 years combined experience in database administration for SQL Server 2008R2, 2012
15 years combined experience in database administration for Oracle 10g and above
Experience with the FDOT integrated database infrastructure is a plus
Knowledge of the FDOT Financial Management applications is a plus
Knowledge of the FDOT integrated application environment is a plus
Advanced knowledge of DB2 for z/OS application integration, performance management and data base administration
Advanced knowledge of upgrading DB2 for z/OS
Advanced knowledge of DB2 for z/OS catalog maintenance
Advanced knowledge of DB2 for z/OS sub-system point in time recovery

Job Responsibility

Perform Database (DB2, SQL Server, Oracle, GIS) planning and operational activities
Daily operational and database administration activities
Plan, design, implement, support for database structures
Conduct database performance monitoring and tuning
Develop and maintain database administration procedures and documentation
Perform SQL Code reviews
Assist with training/mentoring other technical staff
Perform other database or infrastructure activities as requested

Systems Administrator Operations Support Specialist

We are seeking a Systems Administrator / Operations Support Specialist to join t...

Location

Canada , Guelph

Salary:

Not provided

Randstad

Expiration Date

May 19, 2026

Requirements

z/OS Mainframe Expertise: 5–8+ years of demonstrated experience supporting and monitoring large-scale z/OS mainframe systems
Server & Network Management: Broad knowledge of UNIX and Wintel (Windows) server hardware components and end-to-end system management
Service Management Tools: Proficiency with enterprise tools such as eSMT, Remedy, and CIT
ITIL Framework: Strong understanding of ITIL principles, specifically Incident and Change Management processes
Monitoring Tools: Demonstrated experience with system and application monitoring performance tools in a high-pressure environment
Modern Productivity & Data Tools: Proficient in Microsoft 365 for collaboration and Power BI for data visualization and analytics
Communication: Exceptional verbal and written communication skills for technical documentation and executive reporting

Job Responsibility

24/7 Infrastructure Monitoring: Perform continuous monitoring of mainframe, midrange servers, storage, and network peripherals to ensure availability as per defined SLAs
Mainframe & System Support: Support large z/OS mainframe systems, implementing change requests and taking prompt action to triage outages or escalate to Tier 2/3 and vendors
Incident & Change Management: Respond to high-priority incidents, initiate established recovery procedures, and participate in service restoration meetings
Datacenter Physical Support: Provide onsite "Smart Hands" services, including physical intervention to devices in Justice and PKI cages, and escorting vendor support for hardware repairs
Patching & Maintenance: Coordinate and provide operational updates, upgrades, and security patches for various platforms
Audit & Recovery: Participate in yearly SysTrust audits and semi-annual Disaster Recovery (DR) exercises to ensure organizational resilience
Reporting & Analytics: Use Power BI and the Office 365 suite to create operational updates, procedural documentation, and performance reports

What we offer

Critical Infrastructure Impact: Play a vital role in maintaining the availability of high-visibility, public-facing services
Diverse Technical Exposure: Work across a massive hybrid environment involving Mainframe, UNIX, Windows, and specialized network security cages
Shift Work Stability: Benefit from a structured 24/7/365 environment with clear escalation paths and vendor support protocols
Professional Growth: Opportunity to participate in Disaster Recovery exercises, audits, and modern "Shift Left" or "Agile Monitoring" initiatives

Z/OS Systems Administrator

ClearBridge Technology Group

Location:
United States

Category:
IT - Administration

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
March 05, 2026

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Job Posted:March 05, 2026

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