Lead Mainframe zOS Security & Performance SRE

MainframeMaster; Cary (NC); On-site; USD 180,000 - 240,000; Full time

Job summary

MetLife is seeking a leader to architect, design, and direct modernization of its mainframe systems, ensuring reliability, scalability, and alignment with evolving business goals. You will guide resilience automation and BCP initiatives and lead enterprise-wide modernization programs.

The role requires extensive mainframe experience, strategic IT transformation vision, and a track record of delivering complex projects across large organizations.

Qualifications

• Extensive experience architecting and directing mainframe modernization projects.
• Strong leadership and collaboration with teams across business stakeholders and IT.

Responsibilities

• Lead architecture, design, and implementation of mainframe solutions aligned to business goals.
• Provide technical leadership for mainframe development, operations, and modernization teams.
• Collaborate with stakeholders to deliver cost-effective mainframe solutions.
• Establish new in-take and change processes and performance tuning for z/OS/zLinux.

Skills

Mainframe design

z/OS expertise

IT leadership

Performance tuning

Tools

Ansible

CSM

z/Linux

RMF

Job description

The Team You Will Join

When you join MetLife’s Global Technology team, you’ll be part of a forward-thinking group dedicated to shaping the future of digital solutions for customers worldwide. You’ll develop, maintain and support technology applications and delivery, leveraging AI, automation, and contemporary ways of working to enhance experiences and drive business outcomes. Your work will simplify complex processes, improve tech resiliency, and ensure high-performing, seamless solutions that power life’s most important moments. In this dynamic environment, you’ll collaborate with talented peers across teams and functions, expanding your skills in impactful ways. Ready to push boundaries and set new industry standards? Join us and help drive the future of technology forward.

The Opportunity

In this leadership position, you will be responsible for architecting, designing, and directing the modernization and optimization of MetLife's mainframe systems to ensure they are reliable, scalable, and fully aligned with our evolving business goals. Design and assist in the automation of Mainframe resilience and BCP. The ideal candidate will bring extensive expertise in mainframe technologies, a strategic vision for IT transformation, and a proven history of successfully leading complex, enterprise-wide mainframe modernization projects.

Key Responsibilities

• Assist in leading the architecture, design, and implementation of mainframe solutions that support MetLife's business goals and technology strategy.
• Provide technical leadership and guidance to mainframe development, operations, and modernization teams.
• Collaborate with business stakeholders, application developers, and infrastructure teams to identify requirements and deliver innovative, cost-effective mainframe solutions.
• Help establish a new Mainframe in-take and change processes that consider new workloads and provide required mainframe performance tuning of z/OS, zLinux, WLM & PR/SM.
• Assist in BCP design exercises using Ansible & CSM, metro mirror, global mirror safeguarded copies intra data center hyper swaps and fail & stay data center site swaps.
• Evaluate emerging technologies, tools, and methodologies to drive continuous improvement and modernization of mainframe platforms.
• Establish and enforce best practices, standards, and architectural governance for mainframe environments.
• Develop and maintain architectural documentation, roadmaps, and blueprints for mainframe systems.
• Ensure high availability, security, and performance of mainframe applications and infrastructure by constantly reviewing relevant SMF & RMF performance telemetry data and appropriate application traces with application stakeholders.
• Participate in ITSM processes such as Release/Change approvals, Incident/Problem resolution.
• Proven experience resolving z/OS performance related incidents during troubleshooting
• Partner with enterprise architects and other technology leaders to define and implement enterprise-wide technology strategies.