1 to 25 of 35 Mainframe Jobs

senior technology leadership respectfully Excellent organizational skills with the ability to manage multiple concurrent tasks Knowledge of enterprise infrastructure including: Operating Systems (Unix, Windows, Mainframe) Storage (NFS, SAN, NAS) Databases (DB2, Sybase, GreenPlum) Web Infrastructure (Load Balancers, Web Proxies) Data Centers (Cooling, Power, Infrastructure) Networks (Switch, Router, DNS, DHCP, Firewalls ...

processes within tightly-governed production frameworks. Technical Environment A key element of this role is deep hands-on expertise with IBM DB2 on Mainframe , including: Indexing, clustering and partitioning Performance tuning and query optimisation Understanding how to operate within congested, high-throughput table structures Exposure to Oracle is beneficial ...

build strong relationships across executives and teams Working knowledge of data center infrastructure (power, cooling, racking) Broad understanding of enterprise systems: OS (Unix, Windows, Mainframe), storage (NFS, SAN, NAS), databases (DB2, Sybase, GreenPlum), web infrastructure, networks, virtualization, authentication, and cloud (AWS, Azure, SaaS, IaaS, PaaS) What's Next ...

fault tolerance, disaster recovery, observability (logging, monitoring, tracing) Channels: Experience designing across web, mobile, API gateways, and backend orchestration layers Legacy Integration: Exposure to mainframe systems (desirable but not essential) Additional Capabilities Strong focus on cybersecurity and secure architecture practices Experience designing mission-critical systems with strict uptime and performance ...

Mainframe Engineer Hybrid Working - London - 2 days a week on site. Financial Services Lorien's leading banking client is looking for a n experienced Mainframe Engineer, this person will support the test environments to enable delivery of features to mobile/online banking customers. The person will have hands … Hybrid Model of 1 day a week on site. Key Responsibilities: Provide expert support and timely resolution of environment issues focusing on Mainframe systems and related infrastructure. Work on test data support requirement for the teams with in Digital Channels Collaborate closely with DataPower and AWS teams to understand integration ...

Mainframe Engineer Hybrid Working - London - 2 days a week on site. Financial Services Lorien's leading banking client is looking for a n experienced Mainframe Engineer, this person will support the test environments to enable delivery of features to mobile/online banking customers. The person will have hands … Hybrid Model of 1 day a week on site. Key Responsibilities: Provide expert support and timely resolution of environment issues focusing on mainframe systems and related infrastructure. Work on test data support requirement for the teams with in Digital Channels Collaborate closely with DataPower and AWS teams to understand integration ...

practices and architectural patterns Your Profile Essential Skills/Knowledge/Experience Deep understanding and expertise of legacy technologies and/or platforms including mainframes 6+ years of relevant work experience in solution architecture, with deep understanding of cloud hosting concepts and implementations Experience in converting legacy applications to containerized ...

Designing and implementing CDC pipelines (e.g., Qlik Replicate) Building AWS-hosted APIs and supporting secure cloud-to-on-prem connectivity Working with cloud and mainframe database technologies Presenting architecture decisions and designs into governance boards Collaborating within an Agile (Scrum/Kanban) delivery team What We're Looking For Deep ...

Manager (1IM) ecosystem to ensure secure, scalable, and efficient identity lifecycle management. Your responsibilities: Integrate target systems (e.g., Active Directory, O365, Databases, Web Services, Mainframes, LDAP, SAP/PeopleSoft, IDaaS) for provisioning and reconciliation. Work extensively with Quest One Identity Manager interfaces and tools, including Manager, Designer/Web Designer ...

preparing and presenting designs at governance forums* Knowledge and experience of Cloud to on-premises AWS Network routing* Knowledge of Cloud database and mainframe database technology* Experience of working within an Agile team with Scrum/Kanban methodology The role will be an initial 6 month contract that sits inside ...

Mainframe Systems Automation Engineer Are you an experienced Mainframe Automation specialist looking to work in a complex, enterprise environment where your expertise really makes an impact? Our client is looking for a contractor to take ownership of automation and output management, supporting critical systems and working closely with both technical … business teams to ensure everything runs smoothly and efficiently. What you'll be doing: Play a key role in maintaining and improving Mainframe automation Providing expert support across Mainframe Automation and output management Developing and maintaining Splunk dashboards and alerts Writing and executing test cases to validate new and existing ...

Mainframe System Automation Engineer - Finance - Nottingham Day rate: £500 - £700 (inside IR35) Duration: 3 - 6 months Start: ASAP My client is looking for an experienced Mainframe Automation & Output Management Specialist to provide expert-level support across mainframe automation and output management systems. The role involves developing automation solutions, supporting monitoring … tools, and ensuring system reliability in a complex enterprise environment. Key Responsibilities Provide expert support for mainframe automation and output management systems Develop and maintain dashboards and alerts using Splunk Author and execute test cases to validate new and existing functionality Handle automation-related problem escalations, including vendor coordination Represent ...

solutions team focused on transforming legacy systems into scalable, cloud-native architectures. This role involves designing and delivering end-to-end modernization strategies across mainframe, midrange, and distributed environments for global enterprise clients. Key Responsibilities Architect and deliver modernization solutions leveraging latest tools and platforms , including: AWS Mainframe Modernization Service … Agentic AI-driven modernization accelerators for intelligent code conversion, dependency mapping, and automated testing. Independent Software Vendor partner technologies for modernization Design architectures incorporating: Mainframe ‘In-place modernization and optimization’ , and Mainframe ‘Exit-to-Cloud’ Event-driven architectures (AWS EventBridge, Apache Kafka, IBM MQ) for real-time integration and decoupling. ...

Role; Mainframe CICS Developer Location: London – Hybrid Project Type; Inside IR35 Contract hands on experience with Mainframe technologies including COBOL, CICS, JCL, DB2, and VSAM, with proven expertise in batch processing and online transaction processing (OLTP) environments Solid experience in application support, with a good understanding of Incident and Problem … Management processes, along with the ability to contribute to software development and enhancement activities Familiarity with industry-standard mainframe toolsets, development methodologies, and operational processes Experience of DevOps and Agile methodology and associated toolsets A background in solving highly complex, analytical and numerical problems Experience of implementing programming best practice ...

Wie zijn wij? Acerta is een toonaangevende HR-dienstengroep in België met meer dan 1.550 collega's - verdeeld over 26 kantoren in Vlaanderen, Brussel en Wallonië. Met onze kracht van mensen ontzorgen we de starters ...

. Extensive experience designing, developing, and optimizing SQL Server databases, including complex queries, stored procedures, indexing strategies, and performance tuning. Ability to work with mainframe SMEs to reverse-engineer logic and map it into modern .NET domain models. Ability to read, analyze and interpret Mainframe code such as COBOL …/OS schemas. Experience extracting and transforming data from Mainfram e DB2 and IMS. Hands-on experience designing and building data extraction pipelines from mainframe systems into modern platforms (SQL, cloud storage, APIs, microservices). Experience working on large-scale data migration or system modernization projects. Proven track record delivering ...

Mainframe System Automation Engineer Location: Nottingham, UK Provide expert Mainframe Automation and output management support. Develop and support Splunk dashboards and alerts. Author test cases for validating functionality. Represent the team at meetings and collaborate with business & operational teams. Manage Mainframe Automation tools, ensuring compliance with security and policies (e.g. … problem escalations, including vendor support, and follow ITIL processes (Change, Incident, Root Cause Analysis). Potential 24x7x365 on-call support. Required Skills: Knowledge of Mainframe systems (OPS MVS, CA-View, CA-Deliver, REXX). Experience with Mainframe Operations: JCL, ISPF, JES2, z/OS. Familiarity with ServiceNow, ITIL processes ...

Role/Job title Mainframe Developer with CICS Webservices Work Location London Role type - Permanent/Fixed Term/Contracting Contracting Mode of working Hybrid/office based Hybrid If Hybrid, how many days are required in office? 2-3 days a week Number of positions 1 Duration of assignment … months Any other working conditions - travel/on call/shifts None Key Skills Required: Mainframes CICS Webservices Desirableskills/knowledge/experience:(As applicable) Required skills: Experience working in ZOS connect EE and DB2 Rest and extensive knowledge in CICS webservices Development experience using FileAid, Xpeditor, IBM explorer ...

Urgent contract opportunity with a leading German client for a Mainframe Modernization Specialist , working remotely from the UK (aligned to German business hours). Role Overview: Location: Remote (UK-based) Contract: Inside IR35 Start: Immediate Key Requirements: Strong experience in mainframe re-hosting/modernization Hands-on migration of COBOL ...

Urgent contract opportunity with a leading German client for a Mainframe Modernization Specialist , working remotely from the UK (aligned to German business hours). Role Overview: Location: Remote (UK-based) Contract: Inside IR35 Start: Immediate Key Requirements: Strong experience in mainframe re-hosting/modernization Hands-on migration of COBOL ...

Provide support maintaining, troubleshooting, and problem solving with existing Mainframe COBOL/DB2 business programs and systems. Develop project plans and detailed schedules. Document all programming work. Enhance existing systems to meet new business requirements Configure, build and maintain the production run processes. Mainframe job and processes. Solve problems that … Email resume to Requirements Bachelor's Degree or higher in Computer Science + 2 years experience 2+ years of hands-on experience in the mainframe applications. 2+ years of hands-on experience in mainframe DB2 development and support Experience in JCL, stored procedures, batch and online troubleshooting and production support ...

Delivery Manager - Mainframe Modernisation Contract | Initial 6 months | Inside IR35 | £500 per day We're looking for a hands-on Delivery Manager to support a large-scale mainframe modernisation and exit programme, targeting full decommissioning by late 2029/early 2030. This is a delivery-focused role suited to someone … across complex technical landscapes, and driving progress across multiple teams. The Role You'll support a major programme to modernise and retire a legacy mainframe estate spanning supply chain, logistics, finance and people systems. The work includes accelerating existing decommissioning plans, standing up new refactoring workstreams, and helping the business ...

large-scale system transitions. Key Responsibilities Lead the delivery of complex enterprise transformation programmes involving legacy platform modernisation and cloud adoption Manage programmes involving mainframe and legacy application estates transitioning to modern cloud or hybrid architectures Provide strong programme governance including planning, reporting, RAID management, financial oversight and delivery milestones … experience delivering large-scale enterprise transformation programmes Strong Programme Management leadership experience within complex organisations Demonstrated experience managing legacy platform modernisation initiatives Experience delivering mainframe or legacy system transitions to cloud or hybrid architectures Ability to lead programmes involving complex technical landscapes and enterprise integrations Strong stakeholder management skills with ...

review forums Ensure secure and efficient cloud-to-on-premises network connectivity and data flow Work with both cloud-based and legacy/mainframe database technologies Contribute to continuous improvement of data engineering practices and standards Required Skills & Experience Strong hands-on experience with AWS data services (S3, Lambda, EventBridge … Qlik Replicate) Experience designing and building APIs hosted on AWS Understanding of cloud networking, particularly cloud-to-on-premises routing Familiarity with cloud and mainframe database technologies Experience working in Agile environments using Scrum or Kanban methodologies Desirable Skills Strong problem-solving and analytical skills Excellent communication and stakeholder management ...

. Collaborate with Risk Management teams to ensure designs meet strict Credit, Market, and IT Ops risk standards. Modernize legacy environments, including Mainframe (z/OS) and File Transmission workflows (IBM SFG/SSP). Work within an Agile framework to deliver high-quality, documented solutions. What We're Looking … Ansible and Jenkins. Mastery of Shell Scripting and at least one high-level language (Python or Go). Experience with BMC Control-M or Mainframe job execution is highly desirable. A 'Consultant Mindset'-the ability to communicate complex ideas to diverse global stakeholders. Logistics: Location: Sheffield (Hybrid - 3 days ...