Mainframe Systems Engineer - zVM / zLinux (100% Remote)

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Company: Conexess Group

Location: Allen, TX 75002

Description:

Senior Mainframe Systems Engineer (z/VM & z/Linux Focus)

United States - 100% Remote

About the Role:

We are seeking a Senior Mainframe Systems Engineer with deep expertise in z/VM and z/Linux to join our team. This role will focus primarily on the installation, maintenance, and optimization of IBM z/VM and z/Linux environments, ensuring high availability, performance, and security.

While the primary focus will be on z/VM and z/Linux, our broader mainframe environment consists of z/OS, CICS, DB2, MQ, storage management, automation, and network infrastructure. The ideal candidate will have strong hands-on experience with IBM mainframe technologies and be capable of collaborating with teams responsible for the overall mainframe ecosystem.

Key Responsibilities:

Primary Focus: z/VM & z/Linux Administration
  • Install, configure, and maintain IBM z/VM and z/Linux systems.
  • Manage Linux on Z workloads, optimizing performance and scalability.
  • Troubleshoot and resolve z/VM and z/Linux system issues.
  • Implement security best practices and manage access controls.
  • Support application deployments and middleware configurations on z/Linux.
  • Mainframe System & Infrastructure Overview (Secondary Involvement)
  • Work alongside teams responsible for z/OS, CICS, DB2, and MQ environments.
  • Provide insight into how z/VM and z/Linux interact with broader mainframe services.
  • Support storage and automation efforts where they intersect with z/VM and z/Linux.
  • Contribute to capacity planning, performance tuning, and system automation.
  • Technical Environment:
  • Operating Systems: IBM z/VM, z/Linux, and z/OS
  • Middleware & Databases: CICS, DB2, MQ (Mainframe & Distributed)
  • Storage & Capacity Planning: IBM DASD, VTS, GDPS Global Metro Mirror
  • Automation & Networking: IBM System Automation, Connect:Direct, IBM PAGENT, SuperSession
  • Security & Protocols: RACF, TCP/IP, SMTP, FTP, SMS, Infoprint, TLS

Qualifications & Experience:
  • 5-10+ years of experience in mainframe systems engineering, with a strong focus on z/VM and z/Linux.
  • Proven expertise in IBM z/VM installation, customization, and maintenance.
  • Strong knowledge of Linux on Z administration, performance tuning, and security.
  • Experience with virtualization, workload management, and automation tools.
  • Familiarity with mainframe networking, storage, and security protocols.
  • Strong problem-solving skills and ability to collaborate across teams.

Preferred Certifications:
  • IBM Certified System Administrator - z/VM & z/Linux
  • Red Hat Certified Engineer (RHCE) or Linux on IBM Z certifications
  • ITIL or relevant industry certifications

Why Join Us?
  • Work in a specialized role focused on z/VM & z/Linux within a complex mainframe environment.
  • Be part of a team managing mission-critical infrastructure in a high-performance IT organization.
  • Competitive salary, benefits, and career advancement opportunities.
If you are an experienced z/VM & z/Linux expert looking to take on a senior engineering role, we'd love to hear from you!

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