**Company :**
enGen
**Job Description :**

**JOB SUMMARY**

*****CANDIDATE MUST BE US Citizen (due to contractual/access requirements)*****

Highmark is seeking a highly motivated **Mainframe Senior Architect** to join the Mainframe Platform Services team. This role is accountable for the performance and capacity management of Highmark’s IBM zEnterprise mainframe environment, ensuring optimal system efficiency, scalability, and cost-effectiveness. The position requires deep technical expertise across core mainframe technologies, including z/OS, Db2, IMS, CICS, MQ, and related subsystems. Responsibilities include proactively monitoring system resource utilization (CPU, memory, storage), analyzing workload trends, and forecasting future infrastructure requirements to prevent performance bottlenecks and support business growth. This role operates within a **Parallel Sysplex** environment, balancing system performance with financial efficiency. A strong un...