Z/OS Network Consultant

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.
We are currently seeking a Z/OS Network Consultant to join our team in New York, Remote, New York (US-NY), United States (US).

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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.

Your responsibilities will include:

• 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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