
Senior Mainframe z/OS Engineer (Remote/ Work from Home)
Remote · USFull-time$90–148K/yrSeen todaySeen in employer's feed today
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Job overview
The Senior Mainframe Engineer maintains customer environments, resolves technical problems, and supports migrations, upgrades, and infrastructure projects. The role includes installing and configuring software, assisting with hardware upgrades, maintaining system documentation and template systems, and responding to escalated operational issues. The posting describes remote work with occasional travel and seeks extensive mainframe engineering experience, including z/OS, storage, networking, and subsystem expertise.
Skills & qualifications
Skills
Qualifications
Benefits
Full job description
Experience Required
10 - 20 years
Minimum Education Required
High School Diploma/G.E.D.
Compensation
$7.25 / hourly
Hours Per Week
40
Number Of Positions
1
Work Schedule and Shift Requirements
First (Day)
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's environments, ensure proper handling of system backups and react in a break/fix capacity to escalate 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 setup.
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): $89,828.00-$148,215.00
This role may have a specific starting pay within this range.
Final compensation offer to candidate may vary from 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:
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 Insurance
401k, 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/.
For additional information regarding compensation and benefits, e-mail FNBO at [email protected]. To ensure you receive a response, include the number of this job (listed below) in the subject line of your message.
Job number: R-20261942
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.
Learn more here.
FNTS 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 Poster
Click here to download 'EEO is The Law' Supplement for Federal Contractors
Click hereto download 'EEO is The Law' GINA Supplement
FNTS is an Equal Opportunity/Affirmative Action/Veterans/Disability Employer - Member FDIC
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.
All qualified applicants will receive consideration for employment without regard to r ace, color, r eligion, s ex, s exual orientation, gender identity, national origin, protected veteran status, or disability status.
Job Type
Full time
Benefits Offered
Not specified
Veteran Preference
No
Place of Work
On-site
Requisition ID
R-20261942
How this job compares
Set against the 11,576 open Systems Engineer jobs on Olive Jobs, counted November 4, 2026.
- Pay
- This posting$90–148K/yr
- Kentucky median$115–209K/yr24 salary ranges
- US median$116–190K/yr8,504 salary ranges
This range's midpoint, $119K, is 28% below the Kentucky median midpoint ($166K) — in the middle half of Systems Engineer salary ranges in Kentucky.
- Openings
- Olive Jobs lists 38 open Systems Engineer jobs in Kentucky and 11,576 across the US. 5% of them nationwide are listed as remote or flexible.
- Hiring the most in Kentucky
- Oracle9 open
- Akamai Technologies, Inc.4 open
- Serco3 open
- Experience
- This posting asks for at least 10 years of experience — more than three in four Systems Engineer postings that state a minimum ask for (median 5 years, across 9,652 postings).
- Education
- This posting asks for a high school diploma; 4,741 of the 11,576 open Systems Engineer jobs (41%) ask for a high school diploma or higher.
Counted across the open, public US postings on Olive Jobs on November 4, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.
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