Mainframe Systems Administrator (TSS, z/OS, JES2, TLS, JOBTRAC)
Remote in Texas, TX, US • Posted 3 days ago • Updated 2 days ago.png%3Fformat%3Dwebp&w=828&q=75)

ACS Consultancy Services, Inc.
Dice Job Match Score™
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Job Details
Skills
- Unix
- RSA
- Performance Monitoring
- Informatica PowerExchange
- Computer Networking
- TCP/IP
- JOBTRAC
- Emulation
- VTAM
- Switches
- SMP/E
- Risk Management Framework
- RMF
- SMF
- WLM
- JCL
- VSAM
- TSO
- Rexx
- Scripting
- z/OS
- Management
- Access Control
- Job Entry Subsystem 2/3
- USS
- Storage Management
- TLS
- SSL
- SFTP
- Job Scheduling
- Workflow
- System Security
- Collaboration
- Mainframe
- Technical Writing
- System Administration
- LinkedIn
Summary
Job Title: Mainframe Systems Administrator (TSS, z/OS, JES2, TLS, JOBTRAC)
Location: TX (Remote )
We are currently seeking candidates who meet the following qualification
Mandatory Qualifications- Hands-on experience with Top Secret Security (TSS) administration and configuration
- Hands-on experience with z/OS system administration
- Experience working with JES2, z/OS Unix System Services (OMVS), and Storage Management Subsystem (SMS)
- Experience with TLS configuration, including certificates, SSL (RSA keys), SFTP, and FTPS
- Experience with performance monitoring and initial analysis of system performance issues
- Experience with Informatica PowerExchange Administration
- Working knowledge of z/OS Operations
- Working knowledge of z/OS Networking, including VTAM and TCP/IP
- Familiarity with z/OS job scheduling and management tools such as JOBTRAC
- Experience with terminal emulator software (e.g., BlueZone)
- Knowledge of VTAM session manager software (e.g., VTAM/SWITCH)
- Working knowledge of SMP/E, RMF, SMF, and WLM
- Proficiency with JCL, GRS, VSAM, and TSO
- Experience with REXX scripting
- Administer, configure, and maintain z/OS systems to ensure stability, performance, and security
- Manage and support Top Secret Security (TSS) configurations and access controls
- Support JES2 operations, USS/OMVS, and storage management activities
- Configure and maintain secure communications using TLS, SSL certificates, SFTP, and FTPS
- Monitor system performance, analyze issues, and recommend improvements
- Support job scheduling, system automation, and operational workflows
- Troubleshoot and resolve system, security, and performance-related issues
- Collaborate with cross-functional teams to support enterprise mainframe operations
- Maintain clear and accurate technical documentation
- Follow organizational standards and best practices for system administration
If you meet these qualifications, please submit your application via link provided in Linkedin.
Kindly do not call the general line to submit your application.
- Dice Id: 91120711
- Position Id: 2026-5949
- Posted 3 days ago
Company Info
About ACS Consultancy Services, Inc.
ACS Consultancy Services Inc. (ACS) is a New York-based consulting firm that specializes in providing technology solutions. The company, which was established in 2011, has received several certifications, including Minority Business Enterprise, Woman Business Enterprise, WOSB, 8a, and NYS/NYC Women Owned (NYS WBE). The founder and President of ACS, Asha Ramrakhiani, has over 20 years of leadership experience working with various New York State agencies.
Leveraging the extensive experience of its leadership team in working with the US Government, ACS offers IT consulting and project-based services to state and federal agencies. The company has been recognized by the Center for Digital Government for its exceptional experience in collaborating with government agencies, having received the "Best Application Serving a department or Agency's Business Needs" award in the Project Excellence category as part of the Best of New York Awards.
ACS provides IT consulting and staff augmentation services to more than 50 clients in the state of New York, connecting them with over 100 local technology professionals with expertise in the latest technologies. The company focuses on providing best-in-class certified local talent for information technology job categories, providing extended local support to ensure that NYS clients receive relevant consulting services without the need for redundant recruitment stages.
ACS is committed to delivering professional consulting support on strategic initiatives and optimal technology solutions to local, state, and commercial customers. The company takes pride in delivering quality services that exceed customer expectations and drive business success. With its strong leadership team and commitment to excellence, ACS has established itself as a leader in the IT consulting industry and is rapidly expanding.
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