Senior Mainframe Infrastructure Engineer – Hybrid

Symetra; United States; Hybrid; USD 106,400 - 177,300; Full time

Benefits offered by this job

Flexible work arrangements

401(k) with company matching up to 6%

Paid time away (vacation & sick)

Job summary

Symetra is seeking a Sr. Infrastructure Engineer I to lead mainframe operations within the Mainframe Pod of its Infrastructure & Operations team in the United States.

You will act as a primary liaison between application teams and the managed service provider, ensuring reliable day‑to‑day operations, incidents, and changes are handled efficiently. The role requires hands‑on mainframe expertise and collaborative leadership to drive modernization initiatives, ESP Scheduler, Endevor, CICS and

Qualifications

• : High School Diploma is required; degree in Computer Science, Information Systems or other related field preferred.
• 6–9 years of cumulative, relevant experience; background in financial services a plus.
• Agile/Scrum team experience.
• Exposure to infrastructure automation and DevOps practices.
• Strong working knowledge of mainframe tools and technologies, including ESP Scheduler, Endevor, ACF2, CICS, DB2, MQ, COBOL.
• Proven experience in mainframe operations‑system monitoring, job scheduling, troubleshooting, and support.
• Demonstrated ability to work across teams, serving as the liaison between service providers and internal app teams.
• Experience managing incident, problem, and change processes in a large‑scale enterprise environment.
• Familiarity with web services and real‑time mainframe integrations.
• Excellent communication, coordination, and documentation skills.

Responsibilities

• Act as a main contact for mainframe operations, overseeing daily health, stability, and performance of mainframe systems and tools.
• Serve as the bridge between application teams and the managed service provider, ensuring clear communication, timely resolution of issues, and effective coordination of changes and upgrades.
• Manage Service Requests and Incidents from application teams, providing hands‑on troubleshooting and advancing to service providers when necessary.
• Manage and monitor ESP Scheduler activities, including scheduling, execution, and troubleshooting of batch and on‑demand workloads.
• Partner with application teams to optimize and maintain ESP job schedules, calendars, and dependencies.
• Coordinate and oversee mainframe application upgrades and changes, partnering with app teams and the service provider to minimize risk and downtime.
• Provide primary support for key applications such as Endevor, Terminal Emulator, Control‑D and related tools.
• Support audit and compliance activities, ensuring proper documentation and alignment to regulatory standards.
• Deliver architectural input and technical evaluations of applications, guiding app teams on mainframe‑related best practices.
• Support real‑time integrations and web services that connect distributed platforms to the mainframe.
• Participate in and influence mainframe modernization efforts, helping transition legacy workloads toward more agile, integrated, and automated approaches.

Skills

Mainframe operations

Agile/Scrum

DevOps practices

Incident management

Cross-team collaboration

Communication & documentation

Education

High School Diploma

BS in Computer Science / Information Systems (preferred)

Tools

ESP Scheduler

Endevor

ACF2

CICS

DB2

MQ

COBOL

Job description

Symetra is seeking a Sr. Infrastructure Engineer I to lead mainframe operations within the Mainframe Pod of its Infrastructure & Operations team in the United States.

You will act as a primary liaison between application teams and the managed service provider, ensuring reliable day‑to‑day operations, incidents, and changes are handled efficiently. The role requires hands‑on mainframe expertise and collaborative leadership to drive modernization initiatives, ESP Scheduler, Endevor, CICS and