Job Description

Job title: Mainframe Host Network specialist

n

Experience: 5+ years

n

Location: Across all Kyndryl locations in India

n

Job Qualifications:

n

You're positive 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 professional 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.

n

Required Technical and Professional Expertise:

n

n
5 to 7 years of experience in Mainframe Host Network administration and support.
n
Strong experience in z/OS Communications Server, including VTAM, TCP/IP, Enterprise Extender, and SNA administration.
n
Expertise in DNS, IP routing, network security, packet analysis, connectivity diagnostics, and network performance tuning.
n
Experience with problem determination, communications infrastructure support, and enterprise network troubleshooting.
n
Knowledge of Microsoft Windows Server 2016/2019, VMware ESX, and public/private cloud environments,



including on-premises to cloud migrations.
n
Robust analytical, troubleshooting, and communication skills in production environments.
n

n

Preferred Technical and Qualified Experience:

n

n
Experience with IBM z/OS Communications Server, VTAM configuration, Enterprise Extender (HPR/IP), and SNA networking.
n
Knowledge of TLS/SSL, encryption, firewall management, and secure network communications.
n
Experience with Wireshark, OSA/Sniffer, NetView, OMEGAMON, and enterprise monitoring tools.
n
Familiarity with OSA-Express, HiperSockets, Parallel Sysplex, and IBM Z networking technologies.
n
Experience in network performance monitoring, capacity planning, disaster recovery, and high-availability architectures.
n
Understanding of ITIL Incident, Problem, and Change Management processes.
n
Experience with automation, Infrastructure as Code (IaC), vulnerability management, Active Directory, and ADFS.
n
Strong stakeholder management, documentation, and cross-functional collaboration skills.
n

📌 Mainframe Host Network Specialist Tamil Nadu
🏢 Kyndryl India
📍 Tamil Nadu