Jobs and Careers
LM

Software Engineer 3 (4552628031)

LMG Technology Services LLC
United Statesfull_timeVerifiedPosted 17 Jan 2026

About the role

Telework, WFH – United States

I.  DESCRIPTION OF SERVICES

The Mainframe Top Secret Security Administrator will:

• Serve as a subject-matter expert in Mainframe Top Secret Security Administration to maintain data security and regulatory compliance.

• Work involves highly advanced (senior-level) systems administration in support of agency mainframe applications and supporting infrastructure; and coordinate day-to-day system administration functions such as mainframe configuration, break/fix system support, and base user account creation/support.

• Work requires strong and proven hands-on experience in Mainframe Top Secret Security Administration and z/OS Administration.

• Work also requires expertise in certificate renewals and access control within mainframe environments as well as a strong understanding of security compliance, audit practices, and risk mitigation.

• Routine system administration functions to include security administration support, performance monitoring, security monitoring, and system maintenance.

• Work includes supporting data entry and control work processes, overseeing and coordinating mainframe operations in the State’s Consolidated Data Center Services (DCS), and working with the Network Administration, Customer Support and Applications Development & Support teams to provide support necessary for day-to-day mainframe operations.

• Experience with Informatica Power Exchange Administration for Change Data Capture processing using mainframe data sources and targets (i.e., IMS and VSAM) a plus.

The Worker will apply their expert knowledge and experience as a Mainframe Top Secret Security Administrator to support both the needs of the Legacy Systems as well as those for the Mainframe Transformation Team.

WORKER SKILLS AND QUALIFICATIONS 

• Provide primary support as the subject matter expert for z/OS operating systems and system components; provide direct technical support as needed in the planning, implementation and testing of releases, upgrades, or changes to z/OS operating system, network, and component software.

• Provide end user support for assigned Independent Software Vendor (ISV) products such as BlueZone.

• Diagnose platform, software and related product issues and follow up with root cause analysis.

• Assist with maintaining and providing technical support for Mainframe Production Control and Support Jobs and monthly Mainframe Job Scheduler.

Selected candidates are required to access the RRC technical environment via GoToMyPC (or similar) and must have a device capable of handling this connection, including a headset as needed. Alternately, the RRC may provide a desktop or laptop device for connection to the RRC network in certain situations. The laptop must be returned to the RRC Help Desk upon candidate resignation or termination or the end of the purchase order/contract.

Minimum Requirements: Candidates that do not meet or exceed the minimum stated requirements (skills/experience) will be displayed to customers but may not be chosen for this opportunity.

Years

Required/Preferred

Experience

8

Required

Hands-On Experience with TSS (Top Secret Security)

5

Required

Hands-On Experience with z/OS Administration

5

Required

Experience with JES2, z/OS Unix System Services (OMVS),

Storage Management Subsystem (SMS)

3+

Required

Experience with TLS configuration (certificates, SSL – RSA Keys, SFTP, FTPS)

2

Preferred

Experience with REXX

3

Preferred

Experience with performance monitoring to include initial            analysis of performance issues

3+

Preferred

Experience with Informatica Power Exchange Administration

3+

Preferred

Working knowledge for each of the following:

    • z/OS Operation

    • z/OS Networking – VTAM (Virtual Telecommunications

            Access Method), TCP/IP (Transmission Control        

            Protocol/Internet Protocol)

    • z/OS-centric automated job scheduling and

            management software (JOBTRAC)

    • Terminal Emulator Software (BLUEZONE)

    • VTAM Session Manager Software (VTAM/SWITCH)

    • SMP/E (System Modification Program/Extended)

    • RMF (Resource Measurement Facility)

    • SMF (System Management Facility)

    • WLM (Workload Manage

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Company

LMG Technology Services LLC

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