Z/OS Network Consultant

NTT DATA North America; Buffalo (NY); Hybrid; USD 110,000 - 140,000; Full time

Job summary

NTT DATA North America in New York is seeking a Z/OS Network Consultant to join a specialist team supporting a large-scale mainframe network. The role offers hybrid work in New York and remote options across the US.

The candidate will have 3+ years of experience with z/OS networking, VTAM, OSA adapters, IPsec and TLS. You will participate in 24x7 support, handle security configurations and work with multiple teams to resolve issues.

Qualifications

• Minimum 3 years of experience supporting the z/OS Mainframe Network environment.
• Experience configuring and maintaining host communication subsystems and security.
• Experience administering file transmissions products such as Connect:Direct or as a user.
• Knowledge of z/OS utilities and networking services.
• Familiarity with IPSec, TLS/SSL, and digital certificates.

Responsibilities

• Support IBM mainframe networks and transmissions products.
• Provide 24x7 on-call support.
• Manage OSA adapters in complex mainframe environments.
• Implement AT-TLS rules and IPsec policies.
• Trace, Debug and perform error analysis.
• Communicate with technical, applications and operational staff to ensure connectivity and security.

Skills

z/OS networking

Mainframe TCP/IP

IPsec/TLS

VTAM

SNA networks

Tools

NetMaster

TUBES

Supersession

OSA-Express

Job description

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us.

We are currently seeking a Z/OS Network Consultant to join our team in New York, Remote, New York (US-NY), United States (US).

Job Description

In this role you will be joining a team of technical professionals supporting a large-scale z/OS systems platform. This position requires an experienced systems programmer with at least 3 years of experience supporting the z/OS Mainframe Network environment. Responsibilities include configuring and maintaining the integrity and data/IP security of the Mainframe's host communication subsystems and associated program products.

• Being part of a multi-functional team, supporting IBM mainframe networks and transmissions products and infrastructure.


• Participation in support rota providing 24x7 cover.


• Perform TCPIP Port Reserves (Additions, Deletions, Changes) Perform VTAM updates (Additions, Deletions, Changes)


• Manage OSA Adapters in a complex mainframe environment


• Perform VTAM PU/LU updates (Additions, Deletions, Changes) including Enterprise Extenders (EE)


• Implement AT-TLS rules (digital certificate management). Configure and manage IPSEC policies (permit/deny rules, VPN- ipsec tunnels)


• Trace, Debug and Error Analysis


• Communicate regularly with technical, applications and operational staff to ensure Network connectivity and security (may involve some after hours and weekend work)


• The ideal candidate for this role will have the below experience and qualifications:


• Experience in administering file transmissions products such as Connect:Direct and FTP, or alternatively good experience as a user of these products.


• Knowledge of z/OS and z/OS utilities.


• Understanding of z/OS networking services, structure and related software and protocols.


• Understanding of network security disciplines (IPSec, TLS/SSL, certificates, etc) and how they relate to file transmission.


• Experience of problem management from initial diagnosis through to resolution.


• Understanding of the Change Management process.


• Ability to customize and manage secure SNA and TCP/IP networks under z/OS.


• Knowledge of mainframe network management tools, e.g. NetMaster, and multi-session manager products such as TUBES and Supersession.


• Experience of managing mainframe printing products.


• General z/OS systems programming experience.


• Knowledge of System z hardware including the OSA-Express network cards.


• Excellent problem-solving and analytical skills


• Good communication, teamwork and negotiation skills


• Familiarity with the Cisco Network Solutions


• The ability to work to tight deadlines under pressure


• Good organisational skills


• Flexibility and adaptability


• The ability to create and maintain strong working relationships with colleagues and customers


• Business awareness and understanding of business requirements of IT


• A willingness to keep up to date with developments in new technology


• An understanding of information legislation, such as the Data Protection Act.

Work experience

• Experience of working as a z/OS Systems Specialist in the IT industry of over 10+ years

About NTT DATA

NTT DATA is a $30 billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long term success. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure and connectivity. We are one of the leading providers of digital and AI infrastructure in the world. NTT DATA is a part of NTT Group, which invests over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. Visit us at us.nttdata.com

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NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. For our EEO Policy Statement, please click here. If you'd like more information on our EEO rights under the law, please click here. For Pay Transparency information, please click here.