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Kyndryl

Mainframe Host Network Specialist

Kyndryl

System Administrator solving complex problems across platforms and services for global clients at Kyndryl. Offering opportunities for professional growth and skill development.

Posted 7/28/2026full-timeBangalore • 🇮🇳 IndiaMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in z/OS Communications Server administration, including VTAM and TCP/IP, while effectively supporting network connectivity and performance in mission-critical environments. Proficient in troubleshooting and maintaining network services, with a strong focus on cloud migration and infrastructure support.

Highest-signal resume keywords
Z/OS Communications Server AdministrationTCP/IP Infrastructure SupportNetwork Performance TuningMicrosoft Windows Server 2016/2019VMware ESX

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Z/OS Communications ServerVTAMTCP/IPEnterprise ExtenderSNA AdministrationDNSIP RoutingNetwork SecurityPacket AnalysisConnectivity Diagnostics
Soft Skills
Analytical SkillsTroubleshooting SkillsCommunication Skills
Tools & Technologies
Microsoft Windows Server 2016Microsoft Windows Server 2019VMware ESXPublic Cloud EnvironmentsPrivate Cloud Environments
Industry Keywords
Network ConnectivityNetwork Performance IssuesMission-Critical Network ServicesProtocol Migration InitiativesOn-Premises to Cloud Migrations

Tech Stack

Tools & technologies
CloudDNSTCP/IPVMware

About the role

Key responsibilities & impact
  • Support host network connectivity.
  • Administer TCP/IP and SNA infrastructure.
  • Support external customer and partner connectivity.
  • Troubleshoot network performance issues.
  • Maintain availability of mission-critical network services.
  • Support modernization and protocol migration initiatives.

Requirements

What you’ll need
  • Strong experience in z/OS Communications Server, including VTAM, TCP/IP, Enterprise Extender, and SNA administration.
  • Expertise in DNS, IP routing, network security, packet analysis, connectivity diagnostics, and network performance tuning.
  • Experience with problem determination, communications infrastructure support, and enterprise network troubleshooting.
  • Knowledge of Microsoft Windows Server 2016/2019, VMware ESX, and public/private cloud environments, including on-premises to cloud migrations.
  • Strong analytical, troubleshooting, and communication skills in production environments.

Benefits

Comp & perks
  • Flexible work arrangements
  • Professional development programs
  • Wellness programs