American Unit, Inc ยท 13 hours ago
Mainframe Administrator & Top Secret Security (TSS)
American Unit, Inc is seeking a Mainframe Administrator with expertise in Top Secret Security (TSS). The role involves providing senior-level z/OS administration and system support, managing security compliance, and coordinating with various teams to support mainframe operations and legacy systems.
Responsibilities
Serve as a subject matter expert in Mainframe Top Secret (TSS) Security Administration
Provide senior-level z/OS administration and system support
Manage access control, certificate renewals, TLS/SSL configurations, and security compliance
Support mainframe operations, performance monitoring, and system maintenance
Coordinate with network, application, and operations teams
Support legacy systems and Mainframe Transformation initiatives
Qualification
Required
8+ years hands-on Top Secret Security (TSS)
5+ years z/OS Administration
5+ years with JES2, OMVS, SMS
3+ years with TLS / certificates / SSL / SFTP / FTPS
Preferred
Performance monitoring (RMF, SMF, WLM)
Informatica Power Exchange (CDC with IMS/VSAM)
REXX
JCL, VSAM, TSO, GRS
VTAM, TCP/IP, JOBTRAC, BlueZone, SMP/E
Company
American Unit, Inc
Company Size: 500 to 1000 employees. American Unit, Inc.
H1B Sponsorship
American Unit, Inc has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (41)
2024 (46)
2023 (40)
2022 (44)
2021 (62)
2020 (78)
Funding
Current Stage
Late StageCompany data provided by crunchbase