Senior Mainframe z/OS Engineer ( Remote/ Work from Home)

First National Bank of Omaha; Indiana (PA); Remote; USD 88,000 - 146,000; Full time

Job summary

A financial services company is hiring a Mainframe Senior Engineer to maintain customer environments and solve technical issues. This role requires expertise in mainframe systems, including z Series technology. The ideal candidate will have over 10 years of experience and strong communication skills. This position offers the flexibility to work remotely and is compensated within a range of $88,067 to $145,309, depending on experience.

Benefits

Medical, Dental, Vision Insurance

401(k) with matching contributions

Time Off Programs

Health Savings Account

Employee Banking

Growth Opportunities

Tuition Assistance

Short‑Term/Long‑Term Disability Insurance

Qualifications

• Previous Mainframe administrative and support experience.
• Knowledge of z Series systems and Virtual Tape environments.
• Experience with Fiber switched and networking knowledge related to Mainframe.

Responsibilities

• Maintain and solve technical problems in customer environments.
• Plan and migrate customer systems via tape save/restore.
• Expand existing customer environments and ensure backups.
• React in a break/fix capacity to technical issues.

Skills

z/OS Concepts (JES2, SDSF, TSO, RACF, HCD/IODF, SMP/E)

Communication Concepts (VTAM, TCP/IP)

Storage Management (SMS, HSM, DFDSS, VSAM, IDCAMS, ICF Catalogs)

z/OS Subsystems (JES2, WLM, OMVS/USS, SMF/RMF, RACF, ASM, GRS)

Major Subsystems (CICS, IMS, DB2, MQ Series)

Self-motivated and able to work independently

Excellent communication skills

Mainframe Systems Engineer (10+ years experience)

Knowledge of z systems hardware

Experience configuring LPARs using the Hardware Management Console

Experience with storage management in JBOD, RAID, and SAN environments

Experience defining and troubleshooting Printer configurations

Experience in TCP/IP configuration

Familiarity with Physical and Virtual tape library configuration

OS Upgrades and software installation

Experience with automation and monitoring tools

Job description

ABOUT FNTS

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.

SUMMARY OF THE JOB

The Mainframe Senior Engineer Position is part of a managed services engineering team. The Mainframe Senior Engineer is responsible for maintaining customer environments and solving technical problems in an efficient manner. In addition to maintaining the existing Mainframe systems, you will help plan and migrate customer systems via tape save/restore or software replication, expand our existing customer environments, ensure proper handling of system backups and react in a break/fix capacity to elevate technical issues that compromise system operability and functionality. Candidates for this position must show previous Mainframe administrative, operator and support experience in similar environments with emphasis on supporting technology such as z Series systems, Virtual Tape environments, Fiber switched and common networking knowledge related to Mainframe connectivity.

ABOUT THIS ROLE

• Perform reporting functions as required or requested by customer
• Support cases and incidents/problems not solvable by Ops
• Installation, maintenance and configuration of ISV products
• Assist with hardware configuration and upgrades
• Work as part of a multi‑disciplinary team migrating customer environments with minimal impact
• Write and maintain system documentation
• Work with customers to accomplish their migration to FNTS or remote management set‑up
• Using team roadmap, implement technologies to achieve it, e.g. develop new offerings through taking advantage of new hardware capabilities or additional OS capabilities such as Sysplexes
• Install new software (OS & major subsystem) releases while working with customer on timing/testing/implementation
• Maintain golden/sandbox systems for templates
• Participate in technical infrastructure projects as the Mainframe SME
• Occasional after‑hours and weekend support

THE IDEAL CANDIDATE FOR THIS ROLE

• z/OS Concepts (JES2, SDSF, TSO, RACF, HCD/IODF, SMP/E)
• Communication Concepts (VTAM, TCP/IP)
• Storage Management (SMS, HSM, DFDSS, VSAM, IDCAMS, ICF Catalogs)
• z/OS Subsystems (JES2, WLM, OMVS/USS, SMF/RMF, RACF, ASM, GRS)
• Major Subsystems (CICS, IMS, DB2, MQ Series)
• Self‑motivated and able to work independently
• Excellent communication skills (written, verbal and presentations)
• Mainframe Systems Engineer (10+ years experience)
• Knowledge of z systems hardware
• Experience configuring LPARs using the Hardware Management Console
• Experience with storage management in JBOD, RAID, and SAN environments and the performance differences with each
• Experience defining and troubleshooting Printer configurations
• Experience configuring TCP/IP and associated servers in an IPv4 environment (IPv6 desired)
• Familiarity with Physical and Virtual tape library configuration and implementation
• OS Upgrades, PTF Deployment and software installation
• Experience configuring and deploying automation and monitoring tools
• Self‑motivated and able to work independently
• Excellent communication skills (written, verbal and presentations)

Candidates must possess unrestricted work authorization and not require future sponsorship.

COMPENSATION

Compensation range (base pay): $88,067.00 – $145,309.00. This role may have a specific starting pay within this range. Final compensation offer to candidate may vary from the posted hiring range based upon work experience, education, and/or skill level.

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.

BENEFITS OVERVIEW

• Medical, Dental, Vision Insurance
• 401(k) with matching contributions
• Time Off Programs
• Health Savings Account (HSA)/Dependent Care
• Employee Banking
• Growth Opportunities
• Tuition Assistance
• Short‑Term/Long‑Term Disability Insurance

Learn more about FNBO benefits here: https://www.fnbo.com/careers/benefits/

EQUAL OPPORTUNITY & BELONGING

FNTS 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.

FNTS is an equal opportunity employer for all employees and applicants and makes employment decisions without regard to status or identity.

FNTS 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.

Job number: R-20251448