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Description and Requirements

Role Value Proposition:

We are looking for a Mainframe SRE who can help design and implement modern applications on our Mainframe. 

You will be responsible for ensuring the reliability, performance, security, and scalability of our Mainframe zCX, OpenShift, z/OS Connect, and Java infrastructure. You will work closely with other SREs, developers, and business stakeholders to deliver solutions that meet our customers' needs and expectations.


Key Responsibilities

  • Design and implement a modern application architecture for our Mainframe systems, including z/OS Connect, OpenShift, Java, and DevOps pipelines.
  • Assist with incremental modernization of monolithic Cobol programs to micro-service APIs.
  • Assist with re-platforming Applications to cloud-based technologies and GenAI products.
  • Monitor and troubleshoot the Mainframe systems and applications, using tools such as Mainview and a modern telemetry data lake.
  • Perform root cause analysis and incident and problem response for Mainframe issues.
  • Optimize and modernize Mainframe applications, using techniques such as GenAI, automation, performance tuning, and capacity planning.
  • Collaborate with other SREs, developers, and business stakeholders to ensure the alignment of the Mainframe platform architecture with the business objectives and requirements.
  • Keep up to date with the latest trends and technologies in the Mainframe domain and propose improvements and innovations.


Essential Business Experience and Technical Skills:


  • Bachelor’s degree in computer science, Engineering, or related field, or equivalent work experience.
  • At least 5 years of experience supporting Mainframe Applications.
  • Expert knowledge of Mainframe Application architectures, including CICS/MQ, z/OS Connect, zCX, OpenShift, and Java.
  • Experience in Mainframe SRE, DevOps methodologies, and tools, such as CI/CD pipelines, UCD, zSecure, QRadar.
  • Strong problem-solving, analytical, and communication skills.
  • Ability to work independently and as part of a team.



  • Proficient in the use of GenAI products to refactor legacy Code.
  • Proficient in Mainframe technologies, such as z/OS, CICS, DB2, MQ, IMS, RACF, JCL, COBOL, and Assembler.


At MetLife, we’re leading the global transformation of an industry we’ve long defined. United in purpose, diverse in perspective, we’re dedicated to making a difference in the lives of our customers.

The salary range for applicants for this position is $110,000 - $155,000.
Benefits We Offer

Our U.S. benefits address holistic well-being with programs for physical and mental health, financial wellness, and support for families. We offer a comprehensive health plan that includes medical/prescription drug and vision, dental insurance, and no-cost short- and long-term disability. We also provide company-paid life insurance and legal services, a retirement pension funded entirely by MetLife and 401(k) with employer matching, group discounts on voluntary insurance products including auto and home, pet, critical illness, hospital indemnity, and accident insurance, as well as Employee Assistance Program (EAP) and digital mental health programs, parental leave, volunteer time off, tuition assistance and much more!
About MetLife

Recognized on Fortune magazine's list of the 2023 "World's Most Admired Companies" as well as the 2023 Fortune 100 Best Companies to Work For ®, MetLife, through its subsidiaries and affiliates, is one of the world’s leading financial services companies; providing insurance, annuities, employee benefits and asset management to individual and institutional customers. With operations in more than 40 markets, we hold leading positions in the United States, Latin America, Asia, Europe, and the Middle East.

Our purpose is simple - to help our colleagues, customers, communities, and the world at large create a more confident future. United by purpose and guided by empathy, we’re inspired to transform the next century in financial services. At MetLife, it’s #AllTogetherPossible. Join us!
Equal Employment Opportunity/Disability/Veterans

If you need an accommodation due to a disability, please email us at This information will be held in confidence and used only to determine an appropriate accommodation for the application process.

MetLife maintains a drug-free workplace.
$110,000 - $155,000