Mainframe Network EngineerAt Kyndryl, we design, build, manage and modernize the mission-critical technology systems that the world depends on every day. So why work at Kyndryl? We are always moving forward – always pushing ourselves to go further in our efforts to build a more equitable, inclusive world for our employees, our customers and our communities.The Mainframe Network Engineer is responsible for the design, configuration, implementation, and support of network connectivity for IBM mainframe environments.
This role ensures reliable, secure, and high-performing communication between mainframe systems, distributed platforms, external partners, and enterprise applications. The engineer will work on key technologies such as TCP/IP, VTAM, SNA, Enterprise Extender, TN3270, FTP, and network security controls, supporting critical production workloads in large enterprise environments.This role requires employees to live in or around the Phoenix, AZ area. You will be responsible to be onsite 3 days a week.
We will consider candidates who are willing to relocate to the area.Responsibilities:Install, configure, and maintain z/OS Communications Server components.Support and manage TCP/IP configuration on z/OS systems.Maintain and troubleshoot VTAM definitions and network resources.Configure and support Enterprise Extender (EE) and SNA connectivity where applicable.Maintain TN3270 access and session-related connectivity for end users and applications.Ensure stable communication between mainframe systems and: Distributed serversExternal vendors/partnersInternal enterprise applicationsMiddleware platformsDiagnose and resolve connectivity issues involving: IP routingPort communicationSession failuresDNS resolutionFirewall-related blocksSupport file transfer protocols such as FTP, SFTP, and other secure data exchange solutions.Work closely with network security teams to enforce secure communication protocols.Ensure compliance with enterprise security controls and audit requirements.Support SSL/TLS certificate implementation and secure transmission standards.Assist with firewall rule validation, port usage reviews, and vulnerability remediation.Support network design and recovery procedures for Disaster Recovery (DR) environments.Validate communication paths for failover systems and backup data centers.Participate in DR tests and business continuity exercises.There are lots of opportunities to gain certification and qualifications on the job, and you'll continuously grow. Many of our Mainframe Infrastructure Engineers are on a path toward becoming either an Architect or Distinguished Engineer, and there are opportunities at every skill level to grow in either of these directions.Kyndryl currently does not require employees to be fully vaccinated against COVID-19, however, if you are hired to work at a client, customer, or partner location, you may be required to show proof of vaccination to align with their respective COVID-19 vaccination policies. Those who believe they are eligible may apply for a medical or religious accommodation prior to the start of employment.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.Minimum 5+ years of experience in typically in mainframe networking or z/OS communications supportFamiliarity with JCL, TSO/ISPF, SDSFAbility to analyze logs, traces, and dump information relevant to communications issuesSolid knowledge and experience on TCP/IP on z/OS, VTAM, SNA / Enterprise Extender, TN3270, FTP / SFTP and TLS.Experience in supporting transmission products such as Connect Direct.The ability to work independently as well as part of a teamExcellent troubleshooting and customer service skillsParticipate in on-call rotation with the engineering teams.The ability to follow a project through to completion, and/or to work as part of a larger team to complete the components of a complex projectIBM mainframe or networking certifications are a plus