Senior Mainframe Security Engineer
Ensono
About this role
The Mainframe System Security Engineer oversees security access and controls for mainframe environments, working with products such as ACF2, RACF, and Top Secret. The role focuses on maintaining secure system configurations and compliance with security standards and policies. The engineer also supports encryption and Sysplex security and provides technical guidance for audits and remediation planning.
Skills
About Ensono
ensono.comEnsono is a managed IT services and hybrid cloud provider that helps enterprises run, modernize, and secure complex infrastructure and applications. They deliver managed hosting, cloud migration and operations, mainframe modernization, and application and data services across public, private and multi‑cloud environments. Ensono emphasizes deep operational expertise for regulated and mission‑critical industries (financial services, insurance, healthcare), combining infrastructure management, security and compliance to reduce risk and accelerate modernization. Their services pair consulting and engineering with ongoing managed operations to drive cost, performance and resiliency improvements.
Recent company news
Ensono: Building Resilient Infrastructure for the AI Era
Nov 3, 2025
Legacy tech woes fuel IT upgrades as CIOs grapple with costs
Sep 26, 2025
Ensono Supports Imagine, A Center for Coping with Loss, with $10,000 Donation
Aug 13, 2025
Ensono names Shweta Sharma senior director for talent acquisition in India
1 month ago
60% of our new hires will be from India: Ensono’s CEO
Aug 12, 2025
About Ensono
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Leadership Team
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
Unlock Company Insights
View leadership team, funding history,
and employee contacts for Ensono.
Salary
$113k – $153k
per year
More jobs at Ensono
Similar Jobs
Security Specialist - Mainframe Security and OIM
PNC Bank
Mainframe Security Engineer
proziod analytics
Mainframe Performance Expert
ZoomInfo Technologies LLC
Senior RACF Security Administrator
Elevance Health
RACF (MAINFRAME) ADMINISTRATOR
Stem Xpert
Mainframe RACF Admin At NYC, NY - Contract
krg technology inc