Senior Network Administrator

As a Senior Network Engineer at our company, you will be the sole owner of our network infrastructure, responsible for designing, securing, and managing enterprise-grade networking systems. Your main responsibilities include: - Designing, configuring, and managing enterprise LAN/WAN infrastructure, including Layer 2/Layer 3 switches and routers. - Administering and maintaining enterprise-grade firewalls such as SonicWall, Sophos, and WatchGuard. - Implementing and supporting dynamic routing protocols like OSPF, BGP, EIGRP, and Layer 2 technologies such as VLANs, STP, EtherChannel. - Planning, deploying, and optimizing enterprise wireless solutions from Cisco, Aruba, Meraki, Ruckus. - Monitoring and optimizing network performance, conducting regular capacity planning, and performance tuning. - Leading network incident response, root cause analysis, and implementing preventive measures. - Performing regular security audits and enforcing best practices in network security. - Deploying and managing VPNs (IPSec, SSL) and remote access solutions. - Utilizing tools like Wireshark, SolarWinds, PRTG for diagnostics and performance monitoring. - Maintaining comprehensive network documentation, including diagrams and device configurations. - Collaborating with IT and cybersecurity teams to ensure compliance and system hardening. - Managing network expansions, upgrades, and migration projects. - Providing on-call support and managing escalations for critical network issues. To qualify for this role, you should have: - A Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent practical experience). - 7-10 years of experience in a hands-on network engineering role, preferably in a mid-to-large scale enterprise. - Expert knowledge of Layer 2/3 networking, routing/switching, and firewall management. - Proficiency with CLI-based management of Cisco or similar network devices. - Solid experience with enterprise Wi-Fi planning, implementation, and troubleshooting. - Familiarity with network monitoring and analysis tools like PRTG, SolarWinds, Wireshark. - Strong documentation and communication skills. Preferred Certifications include CCNA (required), CCNP, ITIL Foundation (optional but beneficial).,