Network Architecture: Conceptualize and document network topologies (LAN, WAN, WLAN, and Data Center), selecting appropriate hardware and software solutions.
Security & Compliance Architecture: Harden network perimeters by designing redundant firewall clusters, robust identity management (802.1X/TACACS+), and zoning strategies.
Performance Optimization: Plan systems for optimal traffic routing, bandwidth allocation, and fault tolerance.
...
Designing and configuring the OT/control system network architecture for 800xA ICSS and PMS incorporating full redundancy, VLAN segmentation, firewall/DMZ architecture, IP addressing, network time synchronization architecture, in compliance with industry standards and project specifications.
Developing and maintaining the Cybersecurity Design Specification and related documentation in accordance with IEC 62443, incorporating defense-in-depth, security zones and conduits, RBAC, secure remote access, Windows hardening, antimalware, application whitelisting, and patch management across the OT infrastructure.
Producing and maintaining supporting cybersecurity deliverables including network architecture diagrams, security philosophy documents, risk registers, patch management plans, backup/restore procedures, and system hardening guidelines.
...
Responsible for managing and maintaining the organization's IT infrastructure, including network, server, cloud, and cybersecurity environments. Duties include administering LAN, WAN, VPN, WLAN, firewalls, routers, switches, load balancers, Windows and Linux servers, as well as virtualization platforms such as VMware and Hyper-V. The role ensures system performance, availability, and security through proactive monitoring, troubleshooting, patch management, and access control. Responsibilities also include implementing cybersecurity controls, managing security incidents, conducting risk assessments, ensuring regulatory compliance, and maintaining business continuity through backup, disaster recovery, and data protection strategies to support uninterrupted business operations.
Design and execute specialized testing for clock synchronization functions (IEEE 1588v2, PTP, and NTP) to ensure OLT equipment complies with telecom network timing standards.
Strong familiarity with test cases spanning functional testing, end-to-end (E2E) testing, and specialized clock test equipment.
Solid grasp of core clock feature requirements and high readiness to execute clock QA validation.
...