Mainframe z/OS system programmer Job at Maintec Technologies

Mainframe z/OS Systems Programmer

We are seeking an experienced z/OS Systems Programmer to join our IT team. The i...

Location

United States , Austin

Salary:

Not provided

Dutech Systems

Expiration Date

Until further notice

Requirements

5+ years of experience in z/OS Systems Programming
Strong knowledge of JES2, OMVS, SMS, TSS (Top Secret Security), performance monitoring, and REXX scripting
Excellent problem-solving and analytical skills with the ability to diagnose and resolve technical issues
Strong communication skills, able to work effectively with technical teams and business stakeholders

Job Responsibility

Perform z/OS Systems Programming tasks, including configuration, installation, and maintenance of z/OS operating environments
Manage JES2, z/OS Unix System Services (OMVS), and Storage Management Subsystem (SMS)
Administer and support TSS (Top Secret Security), ensuring appropriate access control and security compliance
Monitor system performance and perform initial analysis of performance issues to provide solutions and optimizations
Write and maintain REXX scripts to automate system tasks and processes
Collaborate with infrastructure and application teams to configure and maintain TLS (certificates, SSL, RSA Keys, SFTP, FTPS) for secure communication
Utilize SMP/E for system modification and management of z/OS environments
Create and maintain system-level documentation, technical designs, and support artifacts

Automation Systems Programmer – Mainframe

SME support for migration, installation, maintenance, and performance of IBM z/O...

Location

United Kingdom

Salary:

Not provided

Vertali Ltd

Expiration Date

Until further notice

Requirements

Install and maintain z/OS, JES2, SMP/E, RACF
Manage system patches, upgrades, and tuning
Troubleshoot complex mainframe issues
Collaborate on integrations and deployments
Ensure security and regulatory compliance
Demonstrable z/OS systems programming experience
JCL, REXX, CLIST, SMP/E
Experience with ISV tools (Broadcom, BMC, etc.)

Job Responsibility

SME support for migration, installation, maintenance, and performance of IBM z/OS environments
Ensure system reliability, security, and efficiency while supporting modernization and compliance efforts

Senior z/OS Systems Programmer

We’re looking for a sub-contractor to working remotely for the following role: S...

Location

United Kingdom

Salary:

Not provided

Vertali Ltd

Expiration Date

Until further notice

Requirements

Install and maintain z/OS, JES2, SMP/E, RACF
Manage system patches, upgrades, and tuning
Troubleshoot complex mainframe issues
Collaborate on integrations and deployments
Ensure security and regulatory compliance
Demonstrable z/OS systems programming experience
JCL, REXX, CLIST, SMP/E
Experience with ISV tools (Broadcom, BMC, etc.)

Job Responsibility

SME support for migration, installation, maintenance, and performance of IBM z/OS environments
Ensure system reliability, security, and efficiency while supporting modernization and compliance efforts

Mainframe Security Specialists & Systems Programming Contractors

We’re looking for talented sub-contractors to join our growing team! We’ve got a...

Location

United Kingdom , Bromsgrove

Salary:

Not provided

Vertali Ltd

Expiration Date

Until further notice

Requirements

Mainframe Security Specialists
Systems Programmers

Mainframe z/OS Systems Programmer

We are seeking an experienced Mainframe Systems Programmer to join our team. The...

Location

United States of America , Virtual

Salary:

120000.00 - 138000.00 USD / Year

Alight Solutions

Expiration Date

Until further notice

Requirements

Minimum of 5 years of experience as a z/OS mainframe systems programmer
Extensive experience with z/OS operating systems
Proven track record in installing and maintaining ISV products
Strong problem-solving and troubleshooting skills
Excellent communication and teamwork abilities
US Citizenship

Job Responsibility

Support Operations, application development teams, and production support teams (Db2, CICS, etc.)
Ensure non-disruptive installations of system and program products
Adherent to organizational change management policies
Participate in the evaluation and implementation of new products
Plan and execute z/OS installation, configuration, and upgrades
Install and maintain SAS and BMC IOA Control products (Control-M/D, Strobe, etc.)

What we offer

A variety of health coverage options
wellbeing and support programs
retirement
vacation and sick leave
maternity, paternity & adoption leave
continuing education and training
several voluntary benefit options

Fulltime

Mainframe Security Specialists & Systems Programming Contractors

We’re looking for talented sub-contractors to join our growing team! We’ve got a...

Location

United Kingdom , Bromsgrove

Salary:

Not provided

Vertali Ltd

Expiration Date

Until further notice

Requirements

Mainframe Security Specialists
Systems Programmers
experts in Mainframe Security and z/OS Systems Programming across all disciplines and subsystems

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

New

CICS System Programmer

We are seeking an experienced CICS System Programmer to support and maintain IBM...

Location

Salary:

Not provided

Maintec Technologies

Expiration Date

Until further notice

Requirements

7+ years of hands-on experience as a CICS Systems Programmer in a z/OS mainframe environment
Deep knowledge of CICS TS architecture, internals, and system exits
Strong expertise in CICS installation, configuration, and maintenance
Proficient in SMP/E, JCL, REXX, and mainframe scripting languages
Experience with CICS performance tuning and monitoring tools
Understanding of z/OS subsystems including DB2, MQ, and JES2/JES3
Familiarity with automation, job scheduling, and monitoring tools
Excellent communication and coordination skills for working with cross-functional teams
Experience with ITIL processes (Change, Incident, and Problem Management)

Job Responsibility

Install, configure, and upgrade IBM CICS Transaction Server (CICS TS) on z/OS
Customize and maintain CICS regions, exits, and related system components
Monitor and tune CICS performance, ensuring high availability and responsiveness
Troubleshoot and resolve system and application-related issues within CICS environments
Implement and maintain CICS security using RACF or equivalent tools
Work with development and infrastructure teams to support application deployment and integration
Create and maintain system documentation, job procedures, and recovery processes
Participate in disaster recovery planning and testing
Provide on-call support and after-hours assistance for critical issues or scheduled maintenance
Ensure compliance with internal standards, audit requirements, and best practices

Mainframe z/OS system programmer

Maintec Technologies

Location:

Category:
IT - Administration

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
February 24, 2026

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Mainframe z/OS system programmer

Maintec Technologies

Location:

Category:IT - Administration

Contract Type:Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:February 24, 2026

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Category:
IT - Administration

Contract Type:
Not provided

Job Posted:
February 24, 2026