Mainframe Systems Programmer - Network

34 minutes ago
Full-time
Senior
DevOps and Infrastructure
Ensono

Ensono

Ensono provides comprehensive hybrid IT solutions and governance, enabling businesses to navigate complexity and modernize their technology infrastructure, from cloud services to mainframe systems, tailored to each client's unique journey.

IT Services
1K-5K
Founded 1969

Description

  • Provide timely customer service and support for mainframe network requests and issues across z/OS environments.
  • Install, upgrade, and customize mainframe network and related ISV/OEM software according to best practices and company standards.
  • Serve as primary support for reported problems involving mainframe network components and related software products.
  • Provide 24 x 7 x 365 support across multiple time zones.
  • Support customer migration activities for newly acquired clients, including resolving technical issues that could delay transitions.
  • Communicate issue status to customers and management throughout the resolution process.
  • Document issue cause, actions taken, and resolutions in the designated problem tracking system.
  • Collaborate with project managers, disaster recovery teams, and other technical teams to execute customer recovery and transition tasks.
  • Assist other mainframe teams as needed to support internal and client needs.
  • Follow ITSM change control procedures and maintain an efficient implementation schedule.

Requirements

  • Bachelor’s degree or equivalent work experience.
  • 8+ years of professional experience in mainframe network programming support.
  • Thorough understanding of mainframe operating system principles and subsystem components.
  • Experience installing, upgrading, and customizing mainframe network-related ISV software products.
  • Knowledge and experience with SMP/E.
  • Experience defining, maintaining, and modifying mainframe network products.
  • Experience supporting transmission products such as FTP (SSL), sFTP (SSH), and Connect:Direct Secure (NDM).
  • Experience supporting session manager applications such as TPX and Supersession.
  • Experience developing mainframe network toolkits using NetMaster, NetView, Rexx, and CLISTs.
  • Experience maintaining mainframe network components including TCP/IP, DVIPA/DDVIPA, IPSEC, IPFILTER, IDS, Enterprise Extender, SNA, VTAM, APPN, and OSA connectivity.
  • Experience with TCP/IP encryption methods including IPSEC, AT-TLS, and TLS, plus monitoring of protocols and ciphers.
  • Experience using network monitoring tools such as Omegamon, Mainview, Mainframe Tracing, and sniffers for performance and response troubleshooting.
  • Ability to develop innovation, strategies, processes, and best practices in software management.
  • Experience supporting planned disaster recovery and unplanned emergency recovery activities.
  • Knowledge of best practices for software management, maintenance, and documentation.
  • Experience establishing policies and procedures for database management, disaster recovery, security, maintenance, and utilization.
  • Ability to evaluate change requests, assess client impact, and troubleshoot production database issues.
  • Self-motivated and able to work independently.
  • Strong analytical skills for rapid problem determination and root cause isolation.
  • Ability to respond quickly and effectively to support requests from multiple clients.
  • Ability to multitask and work under short deadlines and high-pressure situations.
  • Excellent written, verbal, and presentation communication skills.
  • Ability to work as part of a team and independently.

Interested in this position?

Apply directly on the company website

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