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Network Security Engineer L2
Network Security Engineer L2-March 2024
Prague
Mar 28, 2026
About Network Security Engineer L2

  Want to be a part of our team?

  The Service Delivery Support Engineer (L2) operational through proactively identifying, investigating and resolving technical incidents and problems and to restore service to clients by managing incidents to resolution. Their primary objective is to ensure zero missed service level agreement conditions. The Service Delivery Support Engineer (L2) focuses on second line support for medium complexity incidents.

  Working at NTT

  Implementation of complex service requests

  Creation of scripts for automated deployments

  Implementation of complex changes

  Change planning

  Change evaluation

  Configuration check (configurations prepared as part of a change)

  Check of configurations created by Local on-site staff

  Steering and coordination of NOC engineers

  Validation and check of work results from level 1 staff according to 4-eyes-principle

  Root cause analysis

  Problem management

  Cooperation in small projects

  User communication (call acceptance, status requests, collecting solution confirmation)

  Coordination and support of LOCAL staff

  Automated deployment of configurations via existing scripts

  (complete check everything works again) end ensuring all components and services are up and running after incident resolution and change execution

  Opening tickets manually based on monitoring events that did not create a ticket automatically

  What will make you a good fit for the role?

  at least 3 years working experience with networking technologies in the enterprise environment

  knowledge of Cisco Routing and Switching on CCNP level (Mandatory)

  knowledge of Cisco ACI ( Preferred)

  knowledge of Cisco Security Solutions including ISE, Firepower, ASA on CCNP level (Preferred)

  knowledge of F5 BIG-IP LTM, GTM and APM (Preferred)

  knowledge of Fortinet technoologies – Fortigate, Fortimanager, Fortiweb (Preferred)

  knowledge of Infoblox (Preferred)

  English language (written and spoken) - at least B2

  willingness to support 24x7 environment (shift rotation)

  Certifications:

  required: CCNP R&S and/or Security certification

  nice to have:

  F5 (CTS LTM or CTS DNS)

  Fortinet ( NSE 4 , 5 , 7)

  InfoBlox (Advanced or Expert)

  Equal Opportunity Employer

  NTT is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, color, sex, religion, national origin, disability, pregnancy, marital status, sexual orientation, gender reassignment, veteran status, or other protected category

  Is innovation part of your DNA? Do you want to enable a connected future for people, organizations, and society?

  Join our growing global NTT family and you’ll be part of the world’s largest ICT company (by revenue). We’ve combined the capabilities of 28 remarkable companies to become one, leading technology services provider. Together, we help our people, clients, and communities do great things with technology to create a more secure and connected future.

  We employ 40,000 people across 57 countries. By bringing together the world’s best technology companies and emerging innovators, we work together to deliver sustainable outcomes to businesses and the world. Innovation is part of our DNA. We believe it’s key to what makes us different. So, we strive to move forward, challenge the status quo, and drive excellence through the technologies we integrate and the services we deliver around the world. The result is connected cities, connected factories, connected healthcare, connected agriculture, connected conservation, connected mobility, and connected sport. Together we enable the connected future.

  You’ll be joining a global employer that is committed to attracting, growing and keeping the best talent. A place where you will be at the heart of our success!

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