Mainframe host network specialist

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 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.

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, Net View, OMEGAMON, and enterprise monitoring tools. Familiarity with OSA-Express, Hiper Sockets, 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 (Ia C), vulnerability management, Active Directory, and ADFS. Strong stakeholder management, documentation, and cross-functional collaboration skills.