Principal Engineer: Network - Zscaler at NTT Ltd.

Working at NTT

Network Engineers are responsible for building and maintaining the networks that companies and organizations rely on. These networks typically include an intranet, extranet, local area network (LAN), and wide area network (WAN).

Key Roles and Responsibilities:

• Maintaining and administering computer networks and related computing environments including systems software, applications software, hardware, and configurations.
• Perform hands-on installation and maintenance tasks on network components such as routers, switches, and cables.
• Monitor network activity and configure network systems using complex computer software
• Performing disaster recovery operations and data backups when required.
• Protecting data, software, and hardware by coordinating, planning, and implementing network security measures.
• Troubleshooting, diagnosing, and resolving hardware, software, and other network and system problems.
• Replacing faulty network hardware components when required.
• Maintaining, configuring, and monitoring virus protection software and email applications.
• Monitoring network performance to determine if adjustments need to be made.
• Conferring with network users about solving existing system problems.
• Operating master consoles to monitor the performance of networks and computer systems.
• Coordinating computer network access and use.
• Designing, configuring, and testing networking software, computer hardware, and operating system software.

Knowledge, Skills, and Attributes:

• Strong understanding of network infrastructure and network hardware
• Ability to think through problems and visualize solutions
• Ability to implement, administer, and troubleshoot network infrastructure devices, including wireless access points, firewalls, routers, switches, controllers
• Knowledge of application and network infrastructure protocols
• Ability to create accurate network diagrams and documentation for design and planning network communication systems
• Good analytical and problem-solving skills

Academic Qualifications and Certifications:

• Bachelor’s degree in information technology or related field of study with a network engineering focus.
• Equivalent work experience
• CCIE (Cisco), CCNP (Cisco), Network+ (CompTIA)
• Zscaler certifications or equivalent SASE platforms

Required Experience:

• Demonstrated experience working in a networking environment
• Experience with network security
• WAN and LAN experience