Mainframe Capacity Management
Posted 5 Aug 2026
Advertised as “Senior Mainframe Capacity management”
BranchFactor Summary
The original posting with the fluff stripped out
- Expected experience
- 10+ yrs
- Management level
- Individual contributor
No salary listed for this role.
Field of studyComputer Science, Management Information Systems
Study levelBachelor's
Mainframe Performance and Capacity Engineer
About Us
Ensono is a hybrid IT services provider that sees a world in transformation. We understand the world of business has become more complex, layered, and interdependent because we’re enabling the IT infrastructure for that transformation. Our clients are some of the most innovative and forward-thinking companies in the world and we help keep their businesses thriving. With nearly 50 years of experience, we optimize and modernize IT infrastructure by amplifying the power of mainframes and mid-range servers with the agility of cloud. Check us out at www.ensono.com
Job role
Are you an Mainframe expert with focus System Performance and Capacity? Do you speak zOS?
We’re looking for our Mainframe Environment for a System Engineer to:
- propose and implement systems enhancements
- monitor usage and performance, and troubleshoot mainframe system
- evaluate complexity and feasibility of new or changed system configurations
- work closely with the SME of Batch, Online, DB and Storage to avoid production Incidents
- run, plan and create reports to observe potential bottlenecks in system performance and capacity
- analyze outages and defective states, initiating and monitoring measures to remedy them
Your team
Infrastructure Core is a global organization within Group Technology Infrastructure & Security Engineering providing technology platforms to underpin our partners business applications. You will be part of the Mainframe Software Service team, which has a global footprint and works with clients and wider team members spread across the world. Together we drive consistency across business divisions and optimize operations and support costs, by providing timely, robust, cost effective solutions and products to our clients
You’ll be working in the performance and integration services tea. We provide application integration support, system performance and capacity operations services. As a Mainframe Performance and Capacity Engineer, you’ll play an important role in for the stability and performance of our mainframes. Team work is pivotal to our success, it plays a very important role. We offer flexibility in the workplace and equal opportunities to all our team members.