Job Description

Job title: Mainframe Host Network specialist

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Experience: 5+ years

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Location: Across all Kyndryl locations in India

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Job Qualifications:

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You're good at what you do and possess the required experience to prove it. However, equally as important – you have a growth mindset; keen to drive your own personal and career development. You are customer-focused – someone who prioritizes customer success in their work.

And finally, you're open and borderless – naturally inclusive in how you work with others.

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Required Technical and Professional Expertise:

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- 5 to 7 years of experience in Mainframe Host Network administration and support.

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- Strong experience in z/OS Communications Server, including VTAM, TCP/IP, Enterprise Extender, and SNA administration.

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- Expertise in DNS, IP routing, network security, packet analysis, connectivity diagnostics, and network performance tuning.

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- Experience with problem determination, communications infrastructure support, and enterprise network troubleshooting.

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- Knowledge of Microsoft Windows Server 2016/2019, VMware ESX, and public/private cloud environments,



including on-premises to cloud migrations.

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- Strong analytical, troubleshooting, and communication skills in production environments.

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Preferred Technical and Professional Experience:

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- Experience with IBM z/OS Communications Server, VTAM configuration, Enterprise Extender (HPR/IP), and SNA networking.

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- Knowledge of TLS/SSL, encryption, firewall management, and secure network communications.

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- Experience with Wireshark, OSA/Sniffer, Net View, OMEGAMON, and enterprise monitoring tools.

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- Familiarity with OSA-Express, Hiper Sockets, Parallel Sysplex, and IBM Z networking technologies.

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- Experience in network performance monitoring, capacity planning, disaster recovery, and high-availability architectures.

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- Understanding of ITIL Incident, Problem, and Change Management processes.

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- Experience with automation, Infrastructure as Code (IaC), vulnerability management, Active Directory, and ADFS.

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- Strong stakeholder management, documentation, and cross-functional collaboration skills.

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📌 Mainframe Host Network specialist (Coimbatore)
🏢 Kyndryl India
📍 Coimbatore