Senior Systems Software Engineer
Core
Senior Systems Software Engineer responsible for designing, implementing, and maintaining enterprise-class IBM z/OS platform engineering and operations.
Role type
Senior Systems Software Engineer (Mainframe)
Builds
Mission-critical mainframe workloads, system-level solutions, and reliable production environments.
Domain
Financial Services / Mainframe Systems
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
z/OS systems programming, JES2 administration, RACF security management, SMP/E environment management, SMF/RMF performance tuning, DASD and tape management, SAN technologies, REXX scripting, CLIST scripting, UNIX System Services shell scripting, TCP/IP configuration, disaster recovery strategy, system exit development, assembler updates, HMC operations, LPAR configuration, BMC MainView, Intellimagic Vision, ITIL-aligned incident management, automation and orchestration tools.
Preferred skills
CICS, DB2, MQ integration, PKI/SSL, LDAP integration, Kerberos, z/OSMF, Ansible, cloud-to-mainframe integration, CI/CD concepts.
Technologies
Ansible, CI/CD, Cloud, Hardware, IBM Support, ITIL, LDAP, Security, TCP/IP, Unix, AWS, DevOps, Linux, Windows
Responsibilities
Mentor and enable peers on the mainframe platform; analyze, design, and maintain z/OS system-level solutions; identify complex system-level issues and deliver reliable fixes; review, validate, and approve system changes and automation; develop, maintain, and test disaster recovery and redundancy strategies; perform hands-on z/OS administration including IPLs, startup, shutdown, and parameter tuning; plan, implement, and validate IBM and ISV software installations and upgrades; manage SMP/E environments including PTFs and USERMODs; install, analyze, and adjust system exits and USERMODs; build and maintain resident DASD volumes and system libraries; configure and administer JES2; administer RACF security; write, debug, and optimize JCL for batch processing; analyze SMF/RMF data for capacity planning and performance tuning; configure and troubleshoot TCP/IP for z/OS; develop automation and tools with REXX, CLIST, and UNIX System Services scripting; use monitoring tools such as BMC MainView and Intellimagic Vision; support mainframe hardware environments including HMC operations and CPC/LPAR configuration; participate in on-call rotations and ITIL-aligned incident, change, and problem management; coordinate with vendors and ISVs for licensing and problem diagnosis; create and maintain documentation, runbooks, SOPs, and operational procedures.
Seniority
Senior, hands-on IC