Mainframe Network Engineer (z/OS) - Hybrid/Remote

NTT DATA, Inc.; New York (NY); Hybrid; USD 110,000 - 170,000; Full time

Benefits offered by this job

Benefits package

Hybrid work

Job summary

NTT DATA is seeking a seasoned z/OS Systems Programmer to join a specialist team supporting a large-scale mainframe network. You will configure, secure, and maintain host communication subsystems and related products in a 24x7 enterprise environment.

Ideal candidates bring hands-on experience with Connect:Direct/FTP, VTAM, OSA-Express, IPsec/TLS, and mainframe networking tools such as NetMaster and TUBES. You will collaborate across IT operations, engineering, and applications to ensure

Qualifications

• Experience administering file transmission products (Connect:Direct/FTP) or as a user.
• Knowledge of z/OS and z/OS utilities.
• Understanding of z/OS networking services and protocols.
• Understanding of network security (IPSec, TLS/SSL, certificates).
• Experience in problem management and change management processes.
• Ability to manage secure SNA and TCP/IP networks under z/OS.

Responsibilities

• Support IBM mainframe networks and transmissions products and infrastructure.
• Provide 24x7 support on a rotation basis.
• Configure VTAM updates and IPSEC/AT-TLS rules.
• Manage OSA Adapters and VTAM PU/LU updates.
• Trace, debug and perform error analysis on networking issues.
• Coordinate with technical teams to ensure connectivity and security.

Skills

z/OS

Mainframe Networking

VTAM

IPSec TLS

Connect Direct/FTP

NetMaster

TUBES

Supersession

Change Management

Problem Solving

Communication

Tools

NetMaster

TUBES

Supersession

OSA-Express

Job description

NTT DATA is seeking a seasoned z/OS Systems Programmer to join a specialist team supporting a large-scale mainframe network. You will configure, secure, and maintain host communication subsystems and related products in a 24x7 enterprise environment.

Ideal candidates bring hands-on experience with Connect:Direct/FTP, VTAM, OSA-Express, IPsec/TLS, and mainframe networking tools such as NetMaster and TUBES. You will collaborate across IT operations, engineering, and applications to ensure