Duration: 6+ Months contractLocation: London/Edinburgh (Hybrid)
Role description:The ideal candidate ensures high availability and optimal performance of the DB2 subsystem. This role requires deep technical knowledge of SMP/E, z/OS internals, and third-party management tools like Broadcom (formerly CA) Platinum and Broadcom SYSVIEW.
Core Responsibilities:Installation & Maintenance: Use SMP/E to install, patch (PTFs), and upgrade DB2 subsystems.System Performance: Monitor and tune DB2 system parameters (ZPARMS), buffer pools, and EDM pools.Disaster Recovery: Design and implement backup and recovery strategies for the DB2 catalog and directory.Tooling Management: Install and maintain third-party products (e.g., Platinum, SYSVIEW for DB2) to assist in database management and monitoring.Security: Implement and manage DB2 security using RACF, ACF2, or Top Secret.
Key skills:The ideal candidate ensures high availability and optimal performance of the DB2 subsystem. This role requires deep technical knowledge of SMP/E, z/OS internals, and third-party management tools like Broadcom (formerly CA) Platinum and Broadcom SYSVIEW.Additional qualifications: Experiance in IMS installation and Production db2/ims DBA support

IBM DataPower Engineer – Mainframe Modernisation (Contract) We’re recruiting for an experienced IBM DataPower Engineer to support a large-scale mainframe modernisation programme within a complex enterprise environment. This is a contract role, ideal for specialists in secure API integration and legacy-to-digital transformation. The Role You’ll design, build and support high-performance integration solutions using IBM DataPower Gateway, exposing core mainframe services as modern APIs. Working across hybrid environments, you’ll bridge z/OS applications with API platforms and cloud-native services, ensuring security, resilience and scalability. Key Responsibilities * Design and configure IBM DataPower services (MPGW, XML Firewall, WS-Proxy) * Expose CICS, IMS, DB2 and MQ services via REST/JSON and SOAP APIs * Implement API security including OAuth2, JWT, TLS/mTLS and AAA policies * Deliver XSLT and GatewayScript transformations and schema validation * Integrate with backend platforms including MQ, Kafka and relational databases * Support CI/CD automation using SOMA/REST APIs, Jenkins or Ansible * Ensure high availability, performance tuning and regulatory compliance (e.g. PCI, GDPR) Required Skills * Strong hands-on experience with IBM DataPower Gateway * Proven mainframe integration experience (CICS, IMS Connect, MQ, CTG) * Deep knowledge of API security, XSLT and GatewayScript * Experience with API management platforms and DevOps automation * Background in mainframe or legacy system modernisation projects Contract Details * Contract role * Hybrid working * Competitive day rate * Initial 6-month engagement Apply now if you’re a DataPower specialist looking to deliver impactful mainframe modernisation work within a high-profile programme

Position: Mainframe Automation Administrator
Location: Bracknell, UK (On-Site)
6 months contract position

The Role

This role is responsible for implementing, and maintaining automated operations within IBM mainframe environments using CA OPS/MVS. The role focuses on developing automation policies, scripts, and REXX-based solutions to monitor system health, prevent outages, and streamline routine operational tasks. This engineer works closely with system programmers, application teams, and operations staff to optimize workflows, manage events and alerts, ensure high availability, and support incident resolution. They also analyze system performance, fine tune automation rules, and ensure compliance with enterprise standards, ultimately improving reliability, efficiency, and responsiveness of critical mainframe systems

Your responsibilities:

Design, develop, and maintain automation rules and REXX scripts using CA OPS/MVS to streamline mainframe operations.
Monitor system events, alerts, and messages to proactively prevent outages and improve system stability.
Create and manage OPS/REXX automation procedures, datasets, tables, and MSF/MVS components.
Collaborate with system programmers, application teams, and operations staff to identify automation opportunities and optimize workflows.
Troubleshoot and resolve automation-related issues, ensuring minimal impact on production environments.
Implement automated responses for system conditions such as WTORs, IPL events, failures, and resource constraints.
Maintain and enhance message automation for subsystems like JES2, DB2, CICS, MQ, VTAM, and storage systems.
Perform health checks, performance tuning, and version upgrades of CA OPS/MVS.
Ensure automation compliance with enterprise standards, security controls, and risk policies.
Support disaster recovery activities by automating startup/shutdown procedures and validating failover processes.
Document automation workflows, procedures, best practices, and configuration changes for operational transparency.
Participate in on-call rotation for 24/7 support of critical systems.

Your Profile

Essential skills/knowledge/experience:

Expertise in CA OPS/MVS including rules automation, OPS/REXX programming, OPSVIEW panels, OPSLOG, automation tables, MSF, and security controls.
Strong REXX programming skills for writing and maintaining automation procedures
Proficiency with IBM z/OS concepts such as JES2, system consoles, WTORs, IPL processes, and system monitoring.
Experience with message automation, state management, resource monitoring, and operational workflows

Desirable skills/knowledge/experience:

Understanding of automation tools such as OPS/MVS, System Automation, Automation Point, and integration of alerts/monitoring across enterprise operations
Experience with advanced REXX frameworks, modular automation design, and reusable automation libraries.
Knowledge of OPS/MVS APIs, automation variables, rule scheduling, and advanced MSF (Multi-System Facility) tuning.
Experience with IBM System Automation for z/OS is an addition.
Exposure to large enterprises or regulated environments.

Job Title: Mainframe DB2 System System Admin Work Mode: Hybrid Work Location: Edinburgh/Ireland/London Special Working Conditions:Attend vendor connects. Weekend overtime, normal overtime, on call duty as per the client requirement. Role Description: The ideal candidate ensures high availability and optimal performance of the DB2 subsystem. This role requires deep technical knowledge of SMP/E, z/OS internals, and third-party management tools like Broadcom (formerly CA) Platinum and Broadcom SYSVIEW. Key Responsibilities: Core Responsibilities

• Installation & Maintenance: Use SMP/E to install, patch (PTFs), and upgrade DB2 subsystems.
• System Performance: Monitor and tune DB2 system parameters (ZPARMS), buffer pools, and EDM pools.
• Disaster Recovery: Design and implement backup and recovery strategies for the DB2 catalog and directory.
• Tooling Management: Install and maintain third-party products (e.g., Platinum, SYSVIEW for DB2) to assist in database management and monitoring.
• Security: Implement and manage DB2 security using RACF, ACF2, or Top Secret.

Key Skills / Knowledge / Experience: The ideal candidate ensures high availability and optimal performance of the DB2 subsystem. This role requires deep technical knowledge of SMP/E, z/OS internals, and third-party management tools like Broadcom (formerly CA) Platinum and Broadcom SYSVIEW. Additional Qualifications: Experiance in IMS installation and Production db2/ims DBA support

Mainframe Automation Engineer (CA OPS/MVS, REXX, z/OS) Contract | 6 Months | £550–£600 per day | Office Based | On-Call Required We are seeking an experienced Mainframe Automation Engineer with strong expertise in CA OPS/MVS and REXX programming to support a large-scale enterprise IBM z/OS environment. This is a hands-on role focused on designing, developing and maintaining mainframe automation rules, OPS/REXX scripts, and operational workflows to improve system stability, availability and performance. Key Responsibilities: * Develop and maintain CA OPS/MVS automation rules * Write and enhance REXX and OPS/REXX scripts * Implement automation for JES2, WTOR handling, IPL events * Manage message automation across DB2, CICS, MQ, VTAM * Monitor system events, alerts and console messages * Support disaster recovery automation and production support * Perform health checks, tuning and MSF configuration Essential Skills: * Strong experience with CA OPS/MVS * Proven REXX programming expertise * Deep understanding of IBM z/OS * Experience with JES2, system consoles, WTOR, IPL * Background in enterprise mainframe production support Experience with System Automation for z/OS, OPSVIEW, OPSLOG or MSF is advantageous. This role suits a senior-level Mainframe Automation Specialist who has worked in complex, regulated, 24/7 environments and can take ownership of automation stability within mission-critical systems. Apply now if you are currently hands-on with OPS/MVS and REXX in a live production z/OS environment

We’re working with a well established, technology driven organisation seeking a Senior IBM i/RPG Developer to join their core technology team.

You’ll play a lead role in shaping, modernising, and optimising mission-critical IBM i applications, taking ownership not only of development, but also environment builds, release management, and DevOps practices across the IBM i platform.

If you’re someone who enjoys combining deep technical expertise with process improvement and automation, this could be a brilliant next step.

The Role

As a senior member of the team, you will:

Lead the development, deployment, and maintenance of core IBM i applications
Drive modern development standards using free-form RPG and SQL
Implement and enhance CI/CD and DevOps capabilities on the IBM i platform
Own release cycles and environment management across Dev, QA, and Production
Help modernise and automate Legacy processes to improve delivery efficiency and reliability

This is a hands on, technically strategic role where you’ll influence how software is built and released across the organisation.

What You’ll Bring

Core Technical Expertise
10+ years’ IBM i development experience

Strong experience with:

ILE RPG
RPG IV (free-form)
CL
SQL
Deep understanding of IBM i environment structures, library management, and system utilities
Experience developing and consuming SOAP/REST web services using Integrated Web Services (IWS)
Strong knowledge of DB2 for i and advanced SQL techniques

DevOps & Tooling Experience

Hands-on experience with source control systems (Git, SVN) and modern branching strategies
Experience implementing CI/CD pipelines in IBM i or hybrid environments
Familiarity with build tools such as Jenkins, GitLab CI, or Azure Pipelines

Strong understanding of DevOps principles:

Automation
Continuous Integration
Continuous Delivery
Environment consistency
Release & Environment Management
Proven experience managing release cycles and deployment pipelines
Building and maintaining Dev, QA, and Production environments

Familiarity with change management tools such as:

Jira
ServiceNow
Rocket Aldon
ARCAD
TurnOver

Position: Senior Java Microservices AWS developer
Location: London, UK (2 days a week from office)
6 months contract position

The Role

As Senior Java Microservices AWS developer with a strong hands-on experience, you will design and develop scalable, cloud-native web applications using Java and AWS Serverless architecture Model.

Your responsibilities: (Up to 10, Avoid repetition)

• Design and develop web applications using Java (latest versions), Spring Boot, and AWS technologies.
• Architect and implement RESTful APIs for distributed enterprise-grade systems.
• Develop robust, scalable, and high-performance microservices leveraging Spring Boot and modern design patterns.
• Integrate and manage AWS services such as EC2, S3, Lambda, RDS, and API Gateway for cloud-native deployments.
• Build and optimize multithreaded and concurrent applications, ensuring thread safety and performance.
• Implement CI/CD pipelines using Jenkins, GitHub Actions, or AWS CodePipeline for automated deployments.
• Containerize applications with Docker and orchestrate using Kubernetes for scalability and resilience.
• Integrate Kafka for event-driven architecture and real-time data processing.
• Ensure application security, performance tuning, and monitoring using AWS CloudWatch and best practices.
• Collaborate with cross-functional teams, participate in code reviews, and take full ownership of feature development from design to production.

Your Profile

Essential skills/knowledge/experience: (Up to 10, Avoid repetition)

• Minimum 10 years of experience Java application development
• Strong hands-on expertise in Java 11+ (preferably Java 17 or latest)
• Proficiency in Spring Boot, Microservices architecture, and Core Spring
• Experience with Java Server-Side Concurrent Programming, Multithreading, and Design Patterns
• Deep understanding of AWS Cloud services, including:
• Serverless Architecture (Lambda, DynamoDB, ECS Fargate)
• Core AWS services: EC2, S3, RDS, API Gateway, SQS, SNS, Kinesis, CloudWatch, CloudFormation, IAM, CodeBuild, Security Groups, ALBs, KMS, Secrets Manager, Parameter Store
• Knowledge of message-based architectures (Kafka or MQ)
• Proficiency with Docker, Kubernetes, and CI/CD tools
• Strong database skills: Sybase and/or DB2, complex SQL queries, plus NoSQL familiarity
• Experience with JUnit, Integration Testing, and Test-Driven Development (TDD)
• Agile/Scrum methodology experience.

Desirable skills/knowledge/experience: (As applicable)

• Familiarity in front end technologies.
• AWS Certification (Developer or Solutions Architect).
• Knowledgeable of Service now tool.

Job DetailsRole / Job Title:Data Architect Mainframe Migration & ModernizationWork Location:250 Bishopsgate, London, UKMode of Working:Hybrid
Office Attendance:2 days per weekThe RoleAs a Mainframe Data Architect with data migration expertise, you will be responsible for moving critical data off the mainframe with zero surprises. Your responsibilities include designing robust Change Data Capture (CDC) strategies, ensuring accurate data landing and transformation, creating optimized data models, and executing a seamless cutover process.Your Responsibilities

• Design and implement CDC pipelines using IBM CDC tools or equivalents, including subscription management, bookmarks, and replay strategies.
• Handle complex data encoding transformations, such as EBCDIC to UTF-8 and packed decimal conversions, with validation test suites.
• Utilize migration tooling for schema conversion and downstream analytics (Glue, Athena, Redshift), with infrastructure-as-code (Terraform) and CI/CD (GitLab).
• Plan and execute cutovers with dual-run validation, reconciliation, rollback strategies, and data governance controls (masking, encryption, IAM).
• Develop observability dashboards for lag, throughput, error rates, and cost using CloudWatch/Grafana, with operational runbooks and alerting.
• Ensure data quality through pre-migration validation tests and reconciliation against golden sources.
• Apply domain-driven design principles to model bounded contexts and aggregate roots.
• Architect event-driven systems using CDC as event streams, with replay and orchestration patterns.
• Translate Db2 schemas to target pipelines (Aurora Postgress preferred), including logical and physical data modelling, referential integrity, and denormalization decisions.
• Build integration pipelines from Db2 to target pipelines (Aurora Postgress preferred) via Kafka/S3, ensuring idempotency, ordering, and reliable delivery semantics.

Your ProfileEssential Skills / Knowledge / Experience

• Change Data Capture: CDC design and operations (IBM, Precisely, or equivalent); subscription management, bookmarks, replay, backfill.
• Db2 & z/OS knowledge: Db2 catalog, z/OS fundamentals, batch windows, performance considerations.
• Relational modelling: Data modelling; normalization, indexing, partitioning; OLTP vs. analytics trade-offs.
• Integration patterns: Kafka (hands-on), CDC-to-target pipelines, UPSERT/MERGE logic; Python/SQL; strong troubleshooting.
• Data quality mindset: Write validation tests before migration; golden-source reconciliation.
• Logical data modelling: Entity-relationship diagrams, normalization (1NF through Boyce-Codd/BCNF), denormalization trade-offs; identify functional dependencies and anomalies.
• Physical data modelling: Table design, partitioning strategies, indexes; SCD types; dimensional vs. transactional schemas; storage patterns for OLTP vs. analytics.
• Normalization & design: Normalize to 3NF/BCNF for transactional systems; understand when to denormalize for queries; trade-offs between 3NF, Data Vault, and star schemas.
• Domain-Driven Design: Bounded contexts and subdomains; aggregates and aggregate roots; entities vs. value objects; repository patterns; ubiquitous language.
• Event-driven architecture: Domain events and contracts; CDC as event streams; idempotency and replay patterns; mapping Db2 transactions to event-driven architectures; saga orchestration.
• CQRS patterns: Command/query separation; event sourcing and state reconstruction; eventual consistency, when CQRS is justified for mainframe migration vs. overkill.
• Database internals: Index structures (B-tree, bitmap, etc.), query planning, partitioning strategies; how Db2 vs. PostgreSQL differ in storage and execution.
• Data quality & validation: Designing test suites for schema conformance; referential integrity checks; sampling and reconciliation strategies.

Desirable Skills / Knowledge / Experience

• IBM zDIH patterns, zIIP tuning.
• COBOL copybook / VSAM ingestion experience.
• Postgress SQL Data Architecture, PostgreSQL / Aurora data modelling.

Work Location: London

Work Mode: Hybrid (2-day Onsite in London)

Day Rate: £600-£650 - Inside IR35

Our client, a major UK-focused bank offering retail, commercial, and private banking services are urgently looking for an IBM DataPower Engineer with mainframe Modernization experience. The successful candidate will be responsible for designing and implementing secure, high-performance integration solutions using IBM DataPower Gateway to expose mainframe services (CICS, IMS, DB2, MQ) as modern APIs (REST/JSON, SOAP). Enable legacy-to-digital transformation by bridging z/OS applications with API platforms and cloud.

Your responsibilities:

• Develop and configure DataPower services (MPGW, XML Firewall, WS-Proxy) for protocol mediation and security.
• Implement OAuth2, JWT, TLS/mTLS, and AAA policies for secure API access.
• Integrate with CICS, IBM MQ, and DB2 for backend connectivity.
• Connect to database like PostgreSQL via REST/HTTP Services Via JDBC through Integration Layer, MQ or Kafka Bridge.
• Perform XSLT/GatewayScript transformations and schema validations.
• Automate deployments via SOMA/REST APIs, CI/CD tools (Jenkins, Ansible).
• Ensure high availability, performance tuning, and compliance (PCI DSS, GDPR).

Essential skills/knowledge/experience:

• Strong experience in IBM DataPower Gateway configuration and troubleshooting.
• Knowledge of Mainframe integration patterns (CTG, IMS Connect, MQ).
• Expertise in API security, XSLT, and GatewayScript.
• Familiarity with API Connect, DevOps automation, and observability tools.

Desirable skills/knowledge/experience:

• Mainframe modernization experience

Forward your CV NOW, for the chance to work for a major UK-focused bank that believe in building and sustaining a culture of equity and belonging where everyone can thrive.

Location(s): Edinburgh/Ireland/London

Duration of assignment: 6 Months

Work model: Hybrid

Our client, a life assurance, pensions and long-terms savings company is looking for a Client facing Mainframe DB2 System System Admin to ensure high availability and optimal performance of the DB2 subsystem. This role requires deep technical knowledge of SMP/E, z/OS internals, and third-party management tools like Broadcom (formerly CA) Platinum and Broadcom SYSVIEW.

The successful candidate will have experience in IMS installation and Production db2/ims DBA support.

Core Responsibilities:

• Installation & Maintenance: Use SMP/E to install, patch (PTFs), and upgrade DB2 subsystems.
• System Performance: Monitor and tune DB2 system parameters (ZPARMS), buffer pools, and EDM pools.
• Disaster Recovery: Design and implement backup and recovery strategies for the DB2 catalog and directory.
• Tooling Management: Install and maintain third-party products (e.g., Platinum, SYSVIEW for DB2) to assist in database management and monitoring.
• Security: Implement and manage DB2 security using RACF, ACF2, or Top Secret.

Forward your CV NOW, for the chance to work for a leading company offering a range of individual and workplace (UK) pensions, bonds and retirement options and an organisation that believe in building and sustaining a culture of equity and belonging where everyone can thrive.

Role Details

• Role/Job Title: Mainframe Automation Administrator
• Work Location: Bracknell
• Role Type: Contracting
• Mode of Working: Office Based

The Role This role is responsible for implementing, and maintaining automated operations within IBM mainframe environments using CA OPS/MVS. The role focuses on developing automation policies, scripts, and REXX-based solutions to monitor system health, prevent outages, and streamline routine operational tasks. This engineer works closely with system programmers, application teams, and operations staff to optimize workflows, manage events and alerts, ensure high availability, and support incident resolution. They also analyze system performance, fine tune automation rules, and ensure compliance with enterprise standards, ultimately improving reliability, efficiency, and responsiveness of critical mainframe systems. Your Responsibilities

• Design, develop, and maintain automation rules and REXX scripts using CA OPS/MVS to streamline mainframe operations.
• Monitor system events, alerts, and messages to proactively prevent outages and improve system stability.
• Create and manage OPS/REXX automation procedures, datasets, tables, and MSF/MVS components.
• Collaborate with system programmers, application teams, and operations staff to identify automation opportunities and optimize workflows.
• Troubleshoot and resolve automation-related issues, ensuring minimal impact on production environments.
• Implement automated responses for system conditions such as WTORs, IPL events, failures, and resource constraints.
• Maintain and enhance message automation for subsystems like JES2, DB2, CICS, MQ, VTAM, and storage systems.
• Perform health checks, performance tuning, and version upgrades of CA OPS/MVS.
• Ensure automation compliance with enterprise standards, security controls, and risk policies.
• Support disaster recovery activities by automating startup/shutdown procedures and validating failover processes.
• Document automation workflows, procedures, best practices, and configuration changes for operational transparency.
• Participate in on-call rotation for 24/7 support of critical systems.

Your Profile Essential Skills / Knowledge / Experience

• Expertise in CA OPS/MVS including rules automation, OPS/REXX programming, OPSVIEW panels, OPSLOG, automation tables, MSF, and security controls.
• Strong REXX programming skills for writing and maintaining automation procedures.
• Proficiency with IBM z/OS concepts such as JES2, system consoles, WTORs, IPL processes, and system monitoring.
• Experience with message automation, state management, resource monitoring, and operational workflows.

Desirable Skills / Knowledge / Experience

• Understanding of automation tools such as OPS/MVS, System Automation, Automation Point, and integration of alerts/monitoring across enterprise operations.
• Experience with advanced REXX frameworks, modular automation design, and reusable automation libraries.
• Knowledge of OPS/MVS APIs, automation variables, rule scheduling, and advanced MSF (Multi-System Facility) tuning.
• Experience with IBM System Automation for z/OS is an addition.
• Exposure to large enterprises or regulated environments.

Mainframe Developer With Cics Webservices Job Description Role Overview

Role / Job Title: Mainframe Developer with CICS Webservices

Work Location: London
Mode of Working: Hybrid
Office Requirement (if hybrid): 2 3 days a week

Key Skills Required

Mainframes
CICS Webservices

Required Skills

Experience working in ZOS Connect EE and DB2 REST, with extensive knowledge in CICS webservices.
Development experience using FileAid, Xpeditor, IBM Explorer for z/OS, and Visual Studio.
Proficient with SOAP, WSDL, and JSON, with a comprehensive understanding of SOA and RESTful APIs.
Experience working with code repositories, bug tracking tools, and wikis. Tools include GitLab, Endevor, JIRA, and Confluence.
Knowledge of different security integration patterns such as basic authentication, client authentication (mTLS), and OAuth (JWT).
Experience with DevOps and Agile methodologies and associated toolsets and practices, including CI/CD and Jenkins.

Desirable Skills / Knowledge / Experience Option 1: Java-Based Skills

Java skill set.
Strong foundation in Java, including OOP and functional programming (Java 8+).
Familiarity with Spring Boot annotations, configuration, and how it simplifies Spring application setup and deployment.
RESTful API development experience.

Option 2: Integration & Middleware Skills

Hands-on experience using DataPower appliances.
Development experience using XSLT, Gateway Script, and XPath.

Location: Hybrid 2-3x per week

Day rate: 400 - 500

Key Responsibilities

• Design, develop, and maintain solutions within FIS ACBS
• Customize and enhance ACBS Loan IQ / ACBS core modules (depending on platform scope)
• Develop and support Java / J2EE-based ACBS components
• Build and maintain interfaces between ACBS and upstream/downstream systems
• Perform batch processing, reporting, and data extraction activities
• Troubleshoot production issues and provide L3 support
• Participate in system upgrades, patches, and platform migrations
• Ensure solutions meet security, performance, and regulatory requirements
• Contribute to Agile ceremonies and continuous improvement initiatives
• Produce technical documentation and support knowledge transfer

Technical Skills

• Strong hands-on experience with FIS ACBS
• Proficiency in Java, J2EE, Spring, and related frameworks
• Experience with SQL, Oracle, or DB2 databases
• Knowledge of ACBS APIs, batch jobs, and reporting tools
• Experience with Unix/Linux environments
• Familiarity with integration technologies (REST, SOAP, MQ)
• Version control tools (Git, Bitbucket)