Senior Mainframe Engineer FNTS (Remote/Work From Home)

Fnbo---First-National-Bank-of-Omaha-1; United States; Remote; USD 120,000 - 170,000; Full time

Benefits offered by this job

Medical, Dental, Vision Insurance

401k with Matching

HSA

Tuition Assistance

Disability Insurance

Job summary

First National Bank of Omaha (FNBO) seeks a Senior Mainframe Engineer to lead z/OS upgrade initiatives and drive reliable mainframe delivery in our managed services team. You will design standardized upgrade approaches and mentor engineers to modernize z/OS for improved efficiency and reliability.

You will oversee software installations, collaborate across teams, and contribute to automation frameworks while ensuring security and optimal performance.

Qualifications

• Experience in z/OS upgrades, mass maintenance, and software installation.
• Deep knowledge of z/OS components listed (JES2, SMP/E, SMS, etc.).
• Strong TCP/IP and VTAM familiarity; LPAR configuration via HMC.

Responsibilities

• Lead technical best practices for z/OS upgrades and modernization.
• Design standardized upgrade and maintenance processes for repeatable outcomes.
• Oversee IBM and ISV software installations aligning with enterprise standards.
• Collaborate with cross-functional teams to plan upgrades with minimal impact.
• Develop and maintain docs/templates for OS rollouts.
• Drive automation and new capability adoption (Sysplex, automation).

Skills

z/OS upgrades

JES2

HCD/IODF

SMP/E

WLM

OMVS/USS

SMF/RMF

ASM

GRS

SDSF

TSO

RACF

VTAM

TCP/IP

LPAR/HMC

Tools

SMS

HSM

DFDSS

VSAM

IDCAMS

ICF Catalogs

Job description

At FNBO, our employees are the heart of our story—and we’re committed to their success! Please see below the details of this career opportunity and how it fits into our organization’s success.Summary of the Job:As a nationally recognized Cloud Service Provider, FNTS has a proven history guiding our customers through their cloud journey. FNTS has a passion for all things multi-cloud and provides flexible cloud solutions, with a continued focus on orchestrating agility, transparency and IT optimization for our customers, all while keeping cost containment top-of-mind. With an elevated security posture consisting of layered security solutions, FNTS specializes in partnering with customers in highly regulated and compliance-driven industries.Our culture and our employees are the heart of our story – and we’re committed to their success! Please see below the details of this career opportunity and how it fits into our organization’s success.The Senior Mainframe Engineer plays a critical role within our managed services engineering team, providing technical leadership and driving operational excellence across customer environments. This position focuses on developing standards, optimizing processes, and ensuring consistent, reliable delivery of mainframe services. The ideal candidate will combine deep technical expertise with strategic vision to modernize z/OS environments and lead initiatives that enhance efficiency and scalability.About This Role:Key ResponsibilitiesServe as a technical leader, guiding best practices and mentoring team members on z/OS operating system upgrade optimizationDesign and implement standardized approaches for z/OS upgrades and mass maintenance to ensure repeatable, high-quality outcomesLead efforts to optimize system performance, streamline processes, and reduce operational complexityOversee installation, configuration, and maintenance of IBM and ISV software products, ensuring alignment with enterprise standardsCollaborate with cross-functional teams to plan and execute operating system upgrades with minimal business impactDevelop and maintain comprehensive technical documentation and templates for operating system rolloutsDrive adoption of new technologies and capabilities (e.g., Sysplex enhancements, automation frameworks) to support strategic objectivesAct as the subject matter expert (SME) for mainframe infrastructure projects, providing technical direction and governanceProvide advanced troubleshooting and resolution for escalated incidents beyond Level 1 supportParticipate in after-hours and weekend support as requiredRequired ExpertiseProven experience in z/OS operating system upgrades, mass maintenance deployment, and software installationIn-depth knowledge of z/OS components: JES2, HCD/IODF, SMP/E, WLM, OMVS/USS, SMF/RMF, ASM, GRS, SDSF, TSO and RACFStrong understanding of communication protocols (VTAM, TCP/IP) and LPAR configuration via HMCExpertise in storage management (SMS, HSM, DFDSS, VSAM, IDCAMS, ICF Catalogs)Minimum 10 years of experience as a Mainframe Senior Systems EngineerPreferred SkillsFamiliarity with mainframe automation and monitoring toolsExperience with major subsystems (CICS TS, IMS, DB2 and IBM MQ)Knowledge of tape library configuration, printer setup, and TCP/IP server configurationUnderstanding of IBM Z hardware architectureThe Ideal Candidate for This Role:Leadership & Core CompetenciesDemonstrated ability to lead technical teams, influence decisions, and set strategic directionSkilled in developing repeatable, standardized processes for complex system upgrades and migrationsStrong problem-solving mindset with a focus on efficiency and continuous improvementExcellent communication skills—able to articulate technical concepts clearly to diverse audiencesWork Environment:It is anticipated that the incumbent in this role will work remotely, offering you the freedom to contribute to our mission from wherever you work best, without compromising on career growth or connection to our team. Regardless of your location, you'll be fully integrated into our team through robust digital collaboration tools and regular communication. The incumbent can work remotely from any of the states listed on the job posting, though occasional travel may be required for in-person meetings. Please note, work location is subject to change based on business needs.Candidates must possess unrestricted work authorization and not require future sponsorship.Work Environment:It is anticipated that the incumbent in this role will work remotely, offering you the freedom to contribute to our mission from wherever you work best, without compromising on career growth or connection to our team. Regardless of your location, you'll be fully integrated into our team through robust digital collaboration tools and regular communication. The incumbent can work remotely from any of the states listed on the job posting, though occasional travel may be required for in-person meetings. Please note, work location is subject to change based on business needs.Compensation and Benefits Overview:We offer a variety of benefits designed to keep you and your family physically and financially healthy. Not only do we offer a competitive salary and work-life balance, we offer benefits to match your needs:Medical, Dental, Vision Insurance401k, With Matching ContributionsTime Off ProgramsHealth Savings Account (HSA)/Dependent CareEmployee BankingGrowth OpportunitiesTuition AssistanceShort-Term/Long-Term Disability InsuranceLearn more about FNBO benefits here: https://www.fnbo.com/careers/benefits/ .To obtain compensation and benefit information related to this specific role, e-mail FNBO at [e-mail] . To ensure you receive a response, include the number of this job (listed below) in the subject line of your message.Job number: R-20261565Equal Opportunity & Belonging:FNBO believes that the quality of our employee experience is at the heart of our customer experience. One key pillar of our intended employee experience is Belonging. Belonging means we are committed to fostering a workplace culture where employees of all backgrounds feel valued, recognized, and empowered to be their authentic selves—no matter their role or where they are in their journey.Learn more here.FNBO is an equal opportunity employer for all employees and applicants and makes employment decisions without regard to status or identity.Click here to download 'EEO is The Law' Self-Print PosterClick here to download 'EEO is The Law' Supplement for Federal ContractorsClick here to download 'EEO is The Law' GINA SupplementFNBO is an Equal Opportunity/Affirmative Action/Veterans/Disability Employer - Member FDICFNBO follows federal law regarding the use of marijuana (this applies to all non-California applicants)Application Deadline:All our jobs will be posted for a minimum of 5 calendar days. Job postings may come down prior to 5 calendar days based on volume of applicants.