Remote Contract: Senior Mainframe Network Engineer (z/OS)

ConsultNet Technology Services and Solutions; Jacksonville (FL); Remoto; USD 110.000 - 150.000; Tempo pieno

Descrizione del lavoro

ConsultNet Technology Services and Solutions seeks a Senior Mainframe Network Engineer to design, implement, and maintain the z/OS communications stack in a remote/Florida-preferred setup on IBM z16 hardware. You will own VTAM, TCP/IP, routing, and secure file transfer configurations, ensuring a secure, reliable, and highly available environment.

This role requires hands-on experience with VTAM/SNA, OMPROUTE/OSPF, and security tools such as IPsec and AT-TLS, plus on-call support.

Competenze

• 5+ years of z/OS systems engineering experience with a focus on mainframe networking.
• Hands-on experience with IBM z/OS Communications Server, SNA/VTAM, and TCP/IP
• Experience with APPN networks and class of service, Enterprise Extender, and OMPROUTE (OSPF)
• Experience with AT-TLS, IPsec, IP security, QoS, Policy Agent, and IC SF
• Working knowledge of Sysplex, subplexing, HiperSockets, OSA-ICC, JES2, SDSF, SMP/E, and Unix System Services (USS)
• Experience with IBM Connect:Direct (NDM) and CA TPX
• System programming skills with JCL and REXX
• Bachelor's degree in an IT related field, or equivalent relevant work experience
• Ability to participate in on-call support

Mansioni

• Install, configure, maintain, and troubleshoot IBM z/OS Communications Server, SNA/VTAM, and TCP/IP on z/OS 3.2 running on IBM z16
• Update and maintain VTAM, OMPROUTE (OSPF) routing, Enterprise Extender connections, and OSA adapter configurations
• Administer secure communications including AT-TLS, IPsec, Policy Agent, SSH, FTPS, TN3270, and CSSMTP
• Support Connect:Direct (NDM), CA TPX, and network monitoring tools to ensure stable mainframe connectivity
• Resolve alerts, escalated tickets, and complex errors, and determine impacts of migrations and upgrades
• Write JCL and REXX to automate tasks and improve operational efficiency
• Participate in disaster recovery planning and exercises and provide input into infrastructure architecture

Conoscenze

z/OS networking

SNA/VTAM

TCP/IP on z/OS

On-call support

JCL

REXX

Formazione

Bachelor's degree in IT or related field

Strumenti

Connect:Direct (NDM)

CA TPX

OMPROUTE (OSPF)

Descrizione del lavoro

ConsultNet Technology Services and Solutions seeks a Senior Mainframe Network Engineer to design, implement, and maintain the z/OS communications stack in a remote/Florida-preferred setup on IBM z16 hardware. You will own VTAM, TCP/IP, routing, and secure file transfer configurations, ensuring a secure, reliable, and highly available environment.

This role requires hands-on experience with VTAM/SNA, OMPROUTE/OSPF, and security tools such as IPsec and AT-TLS, plus on-call support.