Senior z/OS Mainframe Engineer — Remote

First National Bank of Omaha; Florida; Remote; USD 90,000 - 148,000; Full time

Benefits offered by this job

Medical, Dental, Vision Insurance

401k with Matching Contributions

Time Off Programs

Health Savings Account (HSA)/Dependent

Employee Banking

Growth Opportunities

Tuition Assistance

Disability Insurance

Job summary

FNTS is seeking a highly skilled Mainframe Senior Engineer to maintain customer environments, plan migrations, and resolve complex issues on z/OS platforms. The role requires experience with JES2, SDSF, TSO, RACF, and major subsystems, along with strong communication skills for cross-team collaboration.

Remote-friendly role in the United States; occasional travel may be required. The ideal candidate will have 10+ years in Mainframe engineering and hands-on experience with LPARs, storage

Qualifications

• z/OS concepts and subsystems knowledge
• Experience with CICS/IMS/DB2/MQ Series preferred
• Ten+ years as Mainframe systems engineer or equivalent
• Strong communication and teamwork skills
• Experience with LPARs and HMC for configuration

Responsibilities

• Maintain customer Mainframe environments and address technical issues
• Plan and migrate systems via tape save/restore or software replication
• Expand customer environments with minimal impact
• Maintain system documentation and configurations
• Assist with hardware configuration and upgrades
• Participate in infrastructure projects as Mainframe SME
• Occasional after-hours and weekend support

Skills

z/OS Concepts

Communication Concepts

Storage Management

z/OS Subsystems

Major Subsystems

Mainframe Systems Engineer

LPARs (HMC)

TCP/IP

Tape Libraries

OS Upgrades

Tools

Hardware Management Console

Job description

FNTS is seeking a highly skilled Mainframe Senior Engineer to maintain customer environments, plan migrations, and resolve complex issues on z/OS platforms. The role requires experience with JES2, SDSF, TSO, RACF, and major subsystems, along with strong communication skills for cross-team collaboration.

Remote-friendly role in the United States; occasional travel may be required. The ideal candidate will have 10+ years in Mainframe engineering and hands-on experience with LPARs, storage