Mainframe Systems Engineer III

Huntington National Bank

Mainframe Systems Engineer III ensuring effective mainframe engineering operations and offering technical direction. Develops and maintains documentation while matching technology needs with company objectives.

Posted 6/5/2026full-timeColumbus • Maryland, Ohio • 🇺🇸 United StatesSeniorLead💰 $70,000 - $140,000 per yearWebsite

About the role

Key responsibilities & impact

Provide technical direction and education to programmers, analysts and technical support associates
Offers 24x7 on call support within a team rotation
Develop, document, and deliver pre- and post-implementation impacts of zSeries hardware and software
Write and maintain system documentation.
Match current technology with the needs of the company.

Requirements

What you’ll need

10-15 years in design, development, coordination and implementation of Mainframe network engineering activities within z/OS and z/VM
Strong knowledge of encryption technologies and Certificate management
Experience supporting z/OS session layer encryption technologies, including development and implementation of Network Configuration Assistant AT-TLS and IPsec policies.
Bachelor’s degree or equivalent work experience in mainframe engineering
5-10 years of solid experience in z/OS engineering

Benefits

Comp & perks

Health insurance coverage
wellness program
life and disability insurance
retirement savings plan
paid leave programs
paid holidays
paid time off (PTO)

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

z/OSz/VMencryption technologiesCertificate managementNetwork Configuration AssistantAT-TLSIPsec policiesmainframe engineeringsystem documentationimplementation

Soft Skills

technical directioneducationsupportdocumentationcoordination

Certifications

Bachelor’s degree