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Ensono

IT transformation and cloud migration services

Mainframe Network Systems Programmer - Virtual Telecommunications Access Method

Network Engineering & AdministrationUpdated on Nov 15
Full-timeRemote in USANo salary listed

About the Job

Requirements

  • At least 8 years of experience supporting the z/OS Mainframe Network environment.
  • Extensive experience in Mainframe Network (VTAM) systems programming.
  • Knowledge of z/OS, SMP/E, TSO/ISPF, USS, SDSF, and JCL.
  • Knowledge of session management products such as TPX, Teleview, and CL/Supersession.
  • Knowledge of network management products such as NetView and NetMaster/TCPIP.
  • Ability to work independently and strong problem-determination skills.
  • Ability to provide off-hours support for software changes and other projects, and participate in an on-call rotation.
  • Written and spoken communication skills to communicate complex information meaningfully to varied audiences.
  • Experience creating and deploying business or operating plans that deliver desired results.

Responsibilities

  • Install, test, and implement new operating systems and other system software for ongoing projects.
  • Maintain and debug systems software; coordinate IOGEN work for new mainframe hardware.
  • Research and evaluate new software and hardware products, and assist team members and other areas with technical questions and problem resolution.
  • Monitor and tune systems software.
  • Configure and maintain the integrity and data/IP security of mainframe host communication subsystems and associated program products.
  • Perform TCP/IP port reserve additions, deletions, and changes.
  • Perform VTAM updates and VTAM PU/LU updates, including Enterprise Extenders.
  • Manage OSA adapters in a complex mainframe environment.
  • Configure and install network products, including Connect:Direct and ASG Outbound, and support FTP, SFTP, and FTP/TLS.
  • Implement AT-TLS rules and manage digital certificates.
  • Configure and manage IPsec policies, including permit/deny rules and VPN IPsec tunnels.
  • Trace, debug, and perform error analysis.
  • Support client disaster recovery exercises.
  • Perform problem, change, and service-request management.
  • Communicate regularly with technical, application, and operational staff to ensure network connectivity and security.
  • Serve as a mainframe networking resource for internal and external department projects.

About the Company

Ensono

IT transformation and cloud migration services

Ensono helps large organizations modernize IT and migrate to cloud platforms through managed services and consulting. It specializes in mainframe modernization, cloud enablement, data architecture transformation, and data center consolidation, delivering end-to-end IT transformation. The company offloads non-core IT tasks to its teams and handles migrations, modernization projects, and ongoing cloud and IT management to keep systems stable, scalable, and secure. Its goal is to improve operating speed and reliability by leveraging cloud and data insights, so clients can focus on their core business.

Company size
1,001-5,000
Company stage
Acquired
Total funding
$76.2M
Headquarters
Chicago, IL
Founded
1969

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