Job title: Mainframe Host Network specialist

Experience: 5+ years

Location: Across all Kyndryl locations in India

Job Qualifications:

You’re good at what you do and possess the required experience to prove it. However, equally as significant – 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.

Required Technical and Professional Expertise:

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

Preferred Technical and Professional Experience:

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

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