Mainframe Systems Engineer

3 weeks ago

Glasgow, Glasgow City, United Kingdom Change Digital – Digital & Tech Recruitment Full time
Mainframe Hardware Infrastructure Specialist

Change Digital is seeking an experienced Mainframe Hardware Infrastructure Specialist to join a leading global health services provider.

Job Role:
  • Configure, maintain, upgrade, and administer Mainframe infrastructure and platforms, focusing on technical and operational excellence.
  • Collaborate with Mainframe Technical, Development, and Operator teams to resolve problems and implement Mainframe-related requirements.
  • Participate in the design, creation, implementation, and maintenance of Mainframe environments.
Key Responsibilities:
  • Install, upgrade, configure, maintain, and support Mainframe multi-vendor hardware, including IBM zSeries, IBM HMC, LPAR, OSA Network integration, Dell PowerMax, Dell DLm/DataDomain Virtual Tape servers, Dell SRDF, and DataDomain remote data mirroring.
  • Install, upgrade, configure, maintain, and support Mainframe software, including IBM (z/VM, DDR, ICKDSF, HLASM, z/VSE, TCP/IP, DMS/AAE/AAG, VTAM, CICS, COBOL for VSE, VSAM, Personal Communications/HACP), Broadcom/CA (Dynam, Top Secret VM/VSE, FAVER2, Easytrieve+, Explore for CICS, Sort, FAQS/ASO/PCS), Software AG (EntireX), and CSI (TCP/IP for VSE).
  • Create, implement, maintain REXX procedures (CMS and VSE) for supporting and automating system functions, developer tasks, and operator tasks.
  • Implement, maintain, and support Mainframe performance and capacity management, including CPU, Disk Space (VSAM catalogs, Dynam Disk pools, Virtual Tape libraries), OSA Network adapters, CICS user experience.
  • Implement, maintain, and support logical connectivity between Mainframe applications and network applications (EntireX).
  • Configure, implement, maintain, and support monitoring and alerting for all Mainframe components and systems.
  • Create, implement, and maintain Mainframe system-related documentation and procedures.
Core Competencies:
  • Bachelor's degree in Information Technology or equivalent experience.
  • IBM zSeries experience.
  • Solid knowledge and experience with IBM z mainframe systems and technology.
  • Solid knowledge and experience with z/VM and z/VSE operating systems.
  • Solid knowledge of CMS XEDIT/EXEC/PIPE/REXX.
  • Solid technical knowledge of CA IDMS.
  • Knowledge of Dell SYMCLI for PowerMax data mirroring and cloning technology.
  • Hands-on technical expertise building and supporting Mainframe environments.
  • Strategic results-oriented thinker.
  • Strong problem-solving/analytical skills with excellent verbal and written communication skills.
  • The ability to read Dutch would be a bonus.

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