Remote Senior Mainframe Engineer — z/OS & Automation Lead
First National Bank of Omaha
Get a reply from this employer
Your resume and cover letter, tailored to exactly what they’re hiring for.
Benefits offered by this job
Job summary
First National Bank of Omaha seeks a Senior Mainframe Engineer to lead, modernize z/OS environments, and drive efficiency across customer mainframe estates. You will guide upgrades, standardize mass maintenance, and oversee IBM/ISV software deployments while ensuring enterprise compliance and scalable delivery.
The role requires deep z/OS expertise, experience with VTAM/TCP/IP, and a strategic mindset to advance automation and reliability.
Qualifications
- 10+ years of experience as a Mainframe Senior Systems Engineer.
- Proven expertise in z/OS upgrades and mass maintenance.
- Strong knowledge of z/OS components (JES2, HCD/IODF, SMP/E, WLM, OMVS/USS, SMF/RMF, ASM, GRS, SDSF, TSO, RACF).
Responsibilities
- Serve as technical leader, guiding best practices and mentoring on z/OS upgrade optimization.
- Design standardized approaches for z/OS upgrades and mass maintenance.
- Oversee installation and maintenance of IBM and ISV software per enterprise standards.
- Drive optimization of system performance and reduction of operational complexity.
- Develop technical documentation and templates for OS rollouts.
- Participate in after-hours and weekend support as required.
Skills
Tools
Job description
First National Bank of Omaha seeks a Senior Mainframe Engineer to lead, modernize z/OS environments, and drive efficiency across customer mainframe estates. You will guide upgrades, standardize mass maintenance, and oversee IBM/ISV software deployments while ensuring enterprise compliance and scalable delivery.
The role requires deep z/OS expertise, experience with VTAM/TCP/IP, and a strategic mindset to advance automation and reliability.
'/%3e%3cpath%20d='M101.744%2012.4726L102.894%2016.1947L99.0021%2013.2201L101.744%2012.4726ZM105.3%208.40937H100.488L99.0026%203.59473L97.5116%208.41047L92.7%208.40385L96.5965%2011.3834L95.1055%2016.1942L99.0021%2013.2196L101.408%2011.3834L105.3%208.40992V8.40937Z'%20fill='white'/%3e%3cdefs%3e%3clinearGradient%20id='paint0_linear_5593_1381'%20x1='90'%20y1='9.44471'%20x2='99'%20y2='9.44471'%20gradientUnits='userSpaceOnUse'%3e%3cstop%20stop-color='%2300AD70'/%3e%3cstop%20offset='0.998594'%20stop-color='%2300B67A'/%3e%3cstop%20offset='1'%20stop-color='%23DCDCE6'/%3e%3c/linearGradient%3e%3c/defs%3e%3c/svg%3e){kind=small}
