Sr. Engineer, Mainframe

First National Bank of Omaha; Wisconsin; Remote; USD 88,000 - 146,000; Full time

Job summary

An established industry player is seeking a Mainframe Senior Engineer to join their managed services engineering team. This role involves maintaining customer environments, troubleshooting complex mainframe systems, and planning migrations. The ideal candidate will possess extensive knowledge of z/OS and related technologies, ensuring seamless operations and support for critical systems. With a commitment to employee growth and a flexible work environment, this position offers a unique opportunity to contribute to innovative cloud solutions while working remotely from anywhere in the United States. If you are passionate about technology and eager to make a difference, this role is for you.

Benefits

Medical, Dental, Vision

401k with matching

Time off

HSA

Employee banking

Growth opportunities

Tuition assistance

Disability insurance

Qualifications

• Experience as a Mainframe Systems Engineer is essential.
• Knowledge of z/OS concepts and subsystems is required.
• Familiarity with z/VSE, z/VM, and virtual tape systems is a plus.

Responsibilities

• Maintain customer environments and troubleshoot mainframe systems.
• Support customer migrations with minimal impact.
• Implement new technologies per team roadmap.

Skills

Mainframe Systems Engineering

z/OS concepts

DBA and application support

Communication protocols

Storage management

z systems hardware familiarity

LPAR configuration

OS upgrades

PTF deployment

Automation and monitoring tools

Excellent communication skills

Job description

ABOUT FNTS

As a nationally recognized Cloud Service Provider, FNTS has a proven history guiding our customers through their cloud journey. FNTS specializes in multi-cloud solutions, focusing on agility, transparency, and IT optimization, while maintaining cost efficiency and a strong security posture, especially in regulated industries.

Our culture and employees are central to our success. We are committed to their growth and success.

Our Modern, Flexible Workplace:

We promote a flexible work environment, allowing remote work from anywhere in the United States, with potential onsite requirements based on business needs. We support diverse work arrangements, including opportunities for military partners, caregivers, and individuals with disabilities.

Summary of the Job:

FNTS, with over 20 years in managed IT services, is a leader in customized hosted and managed solutions, operating a state-of-the-art data center. We value a Midwest culture emphasizing work ethics and personalized service.

About This Role:

*** We are unable to sponsor candidates for this position ***

The Mainframe Senior Engineer will be part of a managed services engineering team, responsible for maintaining customer environments, troubleshooting, planning migrations, and supporting mainframe systems including z Series, Virtual Tape, and related networking technologies.

Key Responsibilities:

1. Perform reporting functions as required by customers
2. Support cases and incidents escalated from operations
3. Install, maintain, and configure ISV products
4. Assist with hardware configurations and upgrades
5. Support customer migrations with minimal impact
6. Maintain system documentation
7. Support customer migration to FNTS or remote management
8. Implement new technologies per team roadmap
9. Manage software releases and system templates
10. Participate in technical infrastructure projects as the Mainframe SME
11. Provide after-hours and weekend support as needed

The Ideal Candidate for This Role:

Job Qualifications:

• Experience as a Mainframe Systems Engineer
• Knowledge of z/OS concepts, subsystems, and major subsystems
• Experience with DBA and application support functions
• Understanding of communication protocols and storage management
• Familiarity with z systems hardware and LPAR configuration
• Experience with OS upgrades, PTF deployment, automation, and monitoring tools
• Excellent communication skills

Additional qualifications include familiarity with z/VSE, z/VM, hardware like DS8000, TS7700, virtual tape systems, and mirroring technologies.

Compensation:

Range: $88,067.00 - $145,309.00. Final offer based on experience and skills.

Benefits:

• Medical, Dental, Vision
• 401k with matching
• Time off, HSA, Employee banking
• Growth opportunities, Tuition assistance, Disability insurance

More info: https://www.fnbo.com/careers/benefits/

For questions, email FNBO at [e-mail] with the job number in the subject: R-20250493

Equal Opportunity & Belonging:

FNTS fosters a workplace where all employees feel valued and empowered. We are committed to diversity and inclusion. Learn more here.

We are an equal opportunity employer, and we follow federal laws regarding marijuana use (excluding California).

Application Deadline:

Jobs are posted for at least 5 days; postings may be removed earlier depending on application volume.