Mainframe Z/oS Job at Realign

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IBM Z/OS Mainframe Software Specialist

Provide deep technical expertise across the IBM z/OS mainframe ecosystem, suppor...

Location

United States , Plano

Salary:

77120.00 - 145240.00 USD / Year

NTT DATA

Expiration Date

Until further notice

Requirements

Minimum 10+ years of experience in IBM z/OS mainframe environments
Experience with COBOL (batch and online)
JCL (job control, scheduling, troubleshooting)
DB2 (SQL, schema design, performance tuning)
VSAM/GSAM file systems
IMS DB/DC (preferred)
Experience with TSO/ISPF, SDSF, and standard mainframe utilities
Experience in large-scale transaction processing systems (preferably MMIS or financial systems)
Bachelors in computer science or related field

Job Responsibility

Provide deep technical expertise across the IBM z/OS mainframe ecosystem, supporting legacy MMIS assessment, reverse engineering, and modernization initiatives
Legacy System Analysis
Reverse Engineering & Documentation
Mainframe Development & Operations
Modernization Support
Integration & Interfaces

What we offer

Medical
dental
and vision insurance with an employer contribution
flexible spending or health savings account
life and AD&D insurance
short and long term disability coverage
paid time off
employee assistance
participation in a 401k program with company match
additional voluntary or legally-required benefits

Fulltime

Z/OS Mainframe Storage Consultant

Location

United Kingdom , Sheffield

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

Multiple years of z/OS systems experience, specifically within Mainframe Storage (mainly IBM products)
Day to day support around products used in day to day activities
Understanding of CA Products - Vantage, CA Disk, CA Allocate
Demonstrable experience with Storage platforms in Object area, with experience in Dell EMC ECS, NetApp StorageGrid, Veritas Enterprise Vault, OpenText InfoArchive, Cloudian, VAST, Scality, IBM COS, or Pure
Hardware support knowledge - channel troubleshooting. Mid-level knowledge
IWS to analyse housekeeping schedules
Experience working within an Agile environment
Automation scripting with API (using scripting languages such as Ansible, Python etc.)
Maintain 'can do' attitude and stay positive towards challenges
Ability in working under pressure and flexible in work scheduling with colleagues in different time zones

Job Responsibility

Perform a Technical Project Management role for large zSeries infrastructure deployment and evergreening projects
zSeries Storage hardware / software design, configuration, testing, implementation and support
Setup automation to reduce manual interventions in the Storage infrastructure
Test new software and exploit functionality
Consolidate and reduce infrastructure complexity
Risk and Cost Management
Ensure Service Quality Targets are met for offered platform services
Business stakeholder management
Vendor liaison and management

What we offer

Comprehensive, locally competitive benefits package

Z/OS Mainframe Systems Programmer

NTT DATA are seeking an experienced z/OS Mainframe Systems Programmer to work on...

Location

United Kingdom , Sheffield

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

Multiple years of z/OS systems programming experience
Should have 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

CICS, MQ & z/OS Mainframe Systems Programmer

We are seeking an experienced CICS, MQ, and z/OS Systems Programmer to support, ...

Location

United Kingdom , Bromsgrove

Salary:

Not provided

Vertali Ltd

Expiration Date

Until further notice

Requirements

Solid hands‑on experience with IBM CICS Transaction Server and IBM MQ in large‑scale z/OS environments
Strong understanding of CICS architecture, regions, RDO, CPSM/CICSPlex, and intercommunication facilities
Solid experience with MQ administration, including clustering, security, logging, and recovery
Good working knowledge of CTG (CICS Transaction Gateway) and its integration patterns
Strong z/OS systems programming background, including JCL, SMP/E, WLM, JES2, and subsystem integration
Proficiency with RACF and mainframe security concepts
Demonstrated capability in performance tuning, problem determination, and high‑severity incident resolution
Experience supporting modernisation initiatives, such as APIs, REST enablement, Zowe, DevOps tooling, or hybrid‑cloud integration
Ability to produce high‑quality documentation and communicate effectively with technical and non‑technical stakeholders

Job Responsibility

Install, upgrade, configure, and customise IBM CICS Transaction Server and IBM MQ across multiple z/OS environments
Design, implement, and maintain CICS intercommunication capabilities, including transaction routing, distributed program link (DPL), MRO, IPIC, and web enablement
Administer and optimise MQ queue managers, channels, queues, and associated security and recovery processes
Maintain and tune VSAM datasets, CICS exits, and supporting assembler routines
Conduct system testing including integration, regression, concurrency, and failover scenarios
Diagnose and resolve complex issues using IPCS, system traces, dumps, logs, and performance data
Perform root cause analysis (RCA) and deliver actionable recommendations to prevent recurrence
Lead or contribute to performance tuning, capacity planning, and workload optimisation initiatives
Support compliance, audit, and security requirements, including RACF and platform hardening
Produce clear technical documentation, operational procedures, and stakeholder reporting

What we offer

A comprehensive, locally competitive benefits package
The opportunity to work on high‑availability, enterprise‑scale IBM Z platforms
A key role in shaping modernisation, performance, and resilience strategies
Collaboration with experienced engineers across infrastructure, security, and application domains
A stable environment with room for technical depth, innovation, and continuous learning

Z/OS Mainframe Storage Consultant

The z/OS Mainframe Storage Consultant is responsible for leading, building and s...

Location

United Kingdom , Sheffield

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

Multiple years of z/OS systems experience, specifically within Mainframe Storage (mainly IBM products)
Day to day support around products used in day to day activities
Understanding of CA Products - Vantage, CA Disk, CA Allocate
Demonstrable experience with Storage platforms in Object area, with experience in Dell EMC ECS, NetApp StorageGrid, Veritas Enterprise Vault, OpenText InfoArchive, Cloudian, VAST, Scality, IBM COS, or Pure
Hardware support knowledge - channel troubleshooting. Mid-level knowledge
IWS to analyse housekeeping schedules
Experience working within an Agile environment
Automation scripting with API (using scripting languages such as Ansible, Python etc.)
Maintain "can do" attitude and stay positive towards challenges
Ability in working under pressure and flexible in work scheduling with colleagues in different time zones

Job Responsibility

Perform a Technical Project Management role for large zSeries infrastructure deployment and evergreening projects
zSeries Storage hardware / software design, configuration, testing, implementation and support
Setup automation to reduce manual interventions in the Storage infrastructure
Test new software and exploit functionality
Consolidate and reduce infrastructure complexity
Risk and Cost Management
Ensure Service Quality Targets are met for offered platform services
Business stakeholder management
Vendor liaison and management

What we offer

Comprehensive, locally competitive benefits package

Mainframe z/OS system programmer

Possesses expertise in mainframe z/OS technologies. Candidate will be responsibl...

Location

Salary:

Not provided

Maintec Technologies

Expiration Date

Until further notice

Requirements

Experience – 8+ Years
Possesses expertise in mainframe z/OS technologies
Expert in Software Packaging and using SMPE
Skilled in applying license keys for product products
Incident/Problem/Change/Software Asset Mgmt (ITIL)
Provide Oncall 7 x 24 rotation

Job Responsibility

Candidate will be responsible for the Management of Storage and related devices within a mainframe complex.
Install MVS software into SOS repository
Implement software following required change process
Execute MOM tickets in preparation for Maintenance IPL’s
Implement software zaps to extend 3P software
Complete MVS Product Administration Requests
Complete MVS tasks for system recovery in DR Drills
Create I/O Configuration request on demand
Complete z/OS builds and supporting changes for Refresh projects
Complete MVS tasks for migration projects

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

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

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