Mainframe Infra Administrator

5 days ago


Changi Business Park Crescent Singapore Best Careers and Opportunities Full time

Roles and Responsibilities:
- Assemble mainframe usage statistics and prepare trend analysis for weekly reporting.
- Attend scheduled meeting representing the Infrastructure team and share meeting minutes on regular basis.
- Driving daily, weekly and Monthly call with client to share the operational status, discuss major / upcoming activities and automation opportunities.
- Coordination implementation activities with Developers, Operations and CTI.
- Create and execute the CHG, REQ, Incidents, CREQ and EPR tickets.
- Must have proven record in Handling CICS, NDM, MQ Security Privilege IDs, and database set-up activities.
- Perform environmental requirements to Implement the Phase Plan requirements for Development, Pre-IST, IST, UAT, PAT and Production environments.
- Maintain up-to-date environmental diagrams including all application components.
- Perform CICS refresh request based on Request with necessary approval.
- Participation in yearly DR and other major activities.
- Strong IT Knowledge and understanding of IT operational environment is must.
- Execute all code promotion across all environments outside of Development.
- Execute all production release activities.
- Execute the COB test plan, COB implementation plan and COB recovery plan. In addition, record testing results, and leading corrective actions from any tests/implementations.
- Execution of overall Release Management procedures and support of ChangeMan ERO solution.
- Perform scheduled change to all the supported LPARS and Maintain comprehensive Infrastructure Document, Component list and diagrams.
- Obtain release management usage statistics and provide input for trend analysis with weekly reporting.
- Primary implementer for all Mainframe RFCs.
- Develop comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals.
- Provide in-depth analysis with interpretive thinking to define issues and develop innovative solutions, Work with teams on process improvement and produce necessary metrics to show progress.
- Support all Release Management COB plan execution during testing and actual implementation.
- Track all required environment changes/Post build/ release management changes and ensure consistency across all environments.
- Update & maintain environmental configuration documentation/diagrams including all application components.
- Coordinate with PMO/Testing team for updating calendar Id and Run period.
- Should be able to handle Loop Checks process, Variable Table updates, Release, Hold, ETT, SETA and Special resources.
- Environment Support for Refresh and Conversion Load activities.
- Ensuring all critical batch streams like nightly batch etc completes on time, Proper resolution should be shared to respective groups.
- Release batch with adherence to SLA.
- Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements.
- Resolve variety of high impact problems/projects through in-depth evaluation of complex business processes, system processes, and industry standards.
- Provide expertise in area and advanced knowledge of applications programming and ensure application design adheres to the overall architecture blueprint.
- Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation.
- Help teams implement value stream mapping and prioritization of countermeasures, based on DevOps/Agile/Lean principles in order to achieve specific measurable results.
- Be a part of a DevOps Enablement team, helping multiple cross-functional delivery teams with the adoption of DevOps cultural and technical practices.
- Perform ad hoc duties as requested as requested by Manager.
- Ensure all SLAs are achieved.

Skills Required:
- 15+ years of hands-on working experience with IBM Mainframe MVS/ZOS environments as a Developer/Infra Admin/Batch Monitoring and Support role.
- Experience with TSO, CICS, COBOL, SAS, JCL, DB2, VSAM, Xpeditor, Fileaid, ChangeMan, InfoMan, and Batch Scheduling using TWS.
- Should be an expert in Rexx and Clist to automate environment activities spread across 30+ Mainframe Lpars. Must have developed tools that’s are highly CPU efficient.
- Must have good hands on experience with release tools ERO and Changeman.
- Must have experience working on storage products that involves creation of files that are replicated across environments and Lpars in Bulk. Must have handled different files types and should be capable to move/copy/delete/Define files from one environment to another in bulk. Should be capable to find a supporting solutions for any variations.
- Should have experience with Mainframe CICD tools. Must have worked as an Admin for RTC and Bitbucket source code management tools.
- Should have experience with Mass DB2 Load Unload activities, Should have experience in handling issue with DB2 failures.
- Must have experience working with Numerous CICS regions. Must have handled Mass changes for CICS CSD definitions, File issues. Short on storage and other abends. Must have written scripts to automate CICS shutdown and Startup routine to align with Batch.
- Must have knowledge on security setup definition of Both RACF and Topsecret for FID, CICS FIDs, NDM ID, DB2, Individual access. Must have worked on initial setup for environment.
- Must have experience working with Spufi, IOF, SAR, CA-View and its products to fetch and gather details like CPU, Executing timings, Failures, Abends, Authorization and other issues.
- Must have worked on transmission products like NDM, MQ, FTP. Should be aware of various terminology and setup required for each of these products. Should have worked on a team than had dealt with building environments with cross platform teams with the mentioned products.
- Must have worked on Service now tool as a group owner/Admin, Should have knowledge on Creating, Deleting, Cloning, granting access for ServiceNow group. Should have experience in creating Ctask, INC, REQ, CREQ and EPR tools.
- Must have good Experience in Scheduling and execution of various batches in cross Lpar configuration using TWS scheduler.
- Previous experience managing deliverables against tight deadlines and incomplete requirements.
- Strong Experience in Excel, capability to develop excel macro to automate and tune manual tasks.
- Should have experience in working with ticketing tools like Service Now, RFC, EPR, CREQ, Infoman, SBM-RLC tools.
- Extensive experience using IBM compatible computers running Windows XP operating system or higher with Microsoft Office suite (Office 2003 or higher including Outlook). Prefer Microsoft Visio experience.

Additional Skills:
- Must have experience in preparation of BOM document.
- It requires to provide evidence of the experience in handling large complex parallel sysplex and CICSplex mainframe lpars.
- Excellent Written, verbal communication and outstanding problem solving skills.
- Must have dealt customers from various geographies US, UK, Australia and Asian countries.
- Experience building strong, effective teams maintaining impeccable performance.
- Strong communication skills with the ability to articulate clearly in high stress situations for High visibility and critical incidents involving technology experts and business units SME’s.
- Open and willing to learning and sharing your knowledge with the team and helping them to achieve their goals and upskill constantly.
- Positive attitude with the drive to get the work done partnering with other units at different levels.
- Have to enjoy collaborating and working as part of a cross discipline team in difficult conversation and challenging personalities.
- Ability to demonstrate cases where you continuously looking for ways to improve operations and succeeded.
- Good solid understanding of the importance of prioritization of your work.



  • Changi, Singapore Best Careers and Opportunities Full time $12,000

    Roles and Responsibilities: Assemble mainframe usage statistics and prepare trend analysis for weekly reporting. Attend scheduled meeting representing the Infrastructure team and share meeting minutes on regular basis. Driving daily, weekly and Monthly call with client to share the operational status, discuss major / upcoming activities and automation...


  • Singapore WIPRO LIMITED (SINGAPORE BRANCH) Full time

    Roles & ResponsibilitiesWipro Limited is a leading global information technology, consulting and business process services company. We harness the power of cognitive computing, hyper-automation, robotics, cloud, analytics and emerging technologies to help our clients adapt to the digital world and make them successful.A company recognized globally for its...


  • Singapore WIPRO LIMITED (SINGAPORE BRANCH) Full time

    Job Description:We are seeking a highly skilled Mainframe Infra administrator to join our team at Wipro Limited (Singapore Branch). As a key member of our infrastructure team, you will be responsible for designing, implementing, and maintaining the mainframe infrastructure environment to support the development, testing, and validation of legacy and new...


  • Singapore AVATAR TECHNO SERVICES PTE. LTD. Full time

    We are seeking an experienced Mainframe Systems Administrator to join our team at AVATAR TECHNO SERVICES PTE. LTD.About the RoleThis is a challenging and rewarding opportunity for a seasoned professional to take on a key role in our Mainframe Infrastructure team.Key ResponsibilitiesPlan, install, manage, and administer Mainframe upgrades and...


  • Changi Business Park Crescent Singapore Best Careers and Opportunities Full time

    JOB LOCATION: Changi Business Park Crescent Singapore JOB TITLE: Cloud Azure Administrator Job Description - Minimum 6 - 7 years of experience, preferably with a Consulting or Technology firm, in designing and implementing private / public / hybrid cloud infrastructure solutions. - Possess knowledge in cloud architecture and implementation features (OS,...


  • Changi Business Park Crescent Singapore Best Careers and Opportunities Full time

    Job Description - Managing end to end administration of all Network platforms (Cisco Router & switches, Cisco Wireless infra along with Infoblox DDI) - Ability to configure and debug and do basic level trouble shooting in technology areas like routers, switches, WIFI. - Exposure to troubleshooting of routing protocols (RIP, EIGRP, OSPF, BGP). - Experience on...


  • Changi Business Park Crescent Singapore Best Careers and Opportunities Full time

    JOB LOCATION: Changi Business Park Crescent Singapore JOB TITLE: WINDOWS SERVER ADMINISTRATOR Job Description: - Preparation of RCA for Major Incidents. - Manage PowerShell scripting. - Repeat Incident / Alert Analysis. - Updating and Eliminate challenges, Hurdle and Risk in domain. - Performance tuning suggest by OEM. - Updating and maintenance of...


  • Singapore SCIENTE INTERNATIONAL PTE. LTD. Full time

    Job SummaryWe are seeking an experienced Mainframe Systems Administrator to manage and support our Host Network systems. As a key member of our team, you will be responsible for ensuring the smooth operation of our z/OS systems.


  • Singapore NCS PTE. LTD. Full time

    About the RoleNCS PTE. LTD., a leading technology services firm in the Asia Pacific region, seeks an experienced Mainframe System Engineer Expert to join our team.Job SummaryWe are looking for a skilled professional with more than 8 years of relevant Mainframe experience to manage and administer Mainframe systems, including planning, installing, managing,...


  • Singapore RIDIK TECHNOLOGY SERVICES PTE. LTD. Full time

    About RIDIK TECHNOLOGY SERVICES PTE. LTD.We are a leading technology services provider seeking an experienced professional to join our team as a Senior Mainframe Systems Specialist. In this role, you will be responsible for the planning, installation, management, and administration of mainframe infrastructure, including upgrades and maintenance.


  • Singapore CENTRAL PROVIDENT FUND BOARD Full time

    Welcome to a challenging role with the Central Provident Fund Board, where you will play a pivotal part in empowering our members to secure their retirement, healthcare, and housing needs. As a Mainframe Technology Specialist, your expertise will be invaluable in designing, building, securing, and operating emerging Mainframe technologies and processes.Job...


  • Singapore CENTRAL PROVIDENT FUND BOARD Full time

    Job DescriptionWe are seeking a highly skilled Enterprise Mainframe Architectural Specialist to join our team at CENTRAL PROVIDENT FUND BOARD.The successful candidate will be responsible for designing, building, securing, and operating emerging Mainframe technologies and processes. This role involves managing service levels, tracking problem management, and...


  • Singapore MANPOWER STAFFING SERVICES (SINGAPORE) PTE LTD Full time

    Roles & ResponsibilitiesResponsibilities: Manage and oversee z/OS Unix (Mainframe Access Management operations and audits). Drive and operationalize z/OS initiatives such as MFA (Multi-Factor Authentication) and STIG (Security Technical Implementation Guide). Write scripts/JCL to automate tasks and improve processes. Manage identity and access management...


  • Singapore United Overseas Bank Full time

    About the RoleUnited Overseas Bank Ltd is seeking a skilled IT Operations Team Member - Senior Officer to join their Group Technology and Operations department. This role is responsible for monitoring various monitoring facilities, reacting to exceptions, and performing reports printing and distribution.Key ResponsibilitiesMonitor software and hardware...


  • Singapore CENTRAL PROVIDENT FUND BOARD Full time

    Unlock Your Potential as a Mainframe Technology SpecialistAre you a skilled professional seeking a challenging role that leverages your expertise in mainframe technology?We are looking for a highly motivated and experienced Mainframe Technology Specialist to join our team at the Central Provident Fund Board. In this role, you will have the opportunity to...


  • Singapore Unison Consulting Pte Ltd Full time

    Job TitleRACF Security Specialist for Mainframe Unix OperationsAbout Unison Consulting Pte LtdWe are a reputable consulting firm seeking a seasoned RACF security expert to drive our mainframe unix operations. Our ideal candidate will have deep expertise in RACF and its related functionalities.Salary Range$120,000 - $180,000 per annum, depending on...


  • Changi, Singapore Best Careers and Opportunities Full time $10,000

    Job DescriptionManaging end to end administration of all Network platforms (Cisco Router & switches, Cisco Wireless infra along with Infoblox DDI) Ability to configure and debug and do basic level trouble shooting in technology areas like routers, switches, WIFI. Exposure to troubleshooting of routing protocols (RIP, EIGRP, OSPF, BGP). Experience on...


  • Singapore Central Provident Fund Board Full time

    Lead/ Senior/ System Engineer (Mainframe) Agency: Central Provident Fund Board Job no.: 555216 Work type: Contract Location: Singapore Categories: Info Comm, Technology, New Media Communications The Central Provident Fund (CPF) is a social security savings scheme jointly supported by employees, employers and the Government. Its basic purpose is to help CPF...


  • Singapore Central Provident Fund Board Full time

    Lead/ Senior/ System Engineer (Mainframe)Agency: Central Provident Fund Board Job no.: 555216Work type: Contract Location: Singapore Categories: InfoComm, Technology, New Media Communications The Central Provident Fund (CPF) is a social security savings scheme jointly supported by employees, employers and the Government. Its basic purpose is to help CPF...


  • Singapore CENTRAL PROVIDENT FUND BOARD Full time

    Roles & ResponsibilitiesAt #TeamCPF, you’re not just joining a team; you are embracing a culture of excellence, collaboration, and meaningful impact. You will play a pivotal role in empowering over 4 million members to secure their retirement, healthcare, housing needs and better navigate life’s uncertainties.We thrive on sharp minds and insightful...