Description: Senior Network Engineer
Responsibilities:
• Design, plan, deploy, monitor, and maintain a Fixed Wireless ISP to increase network reliability and scalability.
• Lead IP/Layer 2 & 3 network design and deployment focusing on Reliability, Availability, Serviceability, and Manageability.
• Create and maintain documentation for network design and deployment, fostering adoption of ISP platforms.
• Coach lower-tier technical employees on network design, deployment, implementation, and troubleshooting techniques.
• Foster a culture of Reliability, Availability, Serviceability, Manageability, and Affordability.
• Design, deploy, maintain, and coach on customer LAN and other networks.
• Perform other reasonable activities as required by management.
Duties:
• Provision and support DWDM Network and Ethernet Demarcation equipment.
• Monitor network performance and troubleshoot issues.
• Respond to alerts and outages and resolve incidents.
• Review and apply security patches and updates.
• Support escalated network-related tickets from Tier 2 and priority clients.
• Document changes and maintain network diagrams.
• Ensure compliance with security policies and best practices.
• Analyze network traffic and performance trends.
• Conduct routine maintenance (e.g., firmware updates, log reviews).
• Optimize routing and switching configurations.
• Test and verify backups of network device configurations.
• Coordinate with fiber and wireless teams on upcoming changes or projects.
• Perform security audits and vulnerability assessments.
• Review and update network documentation and policies.
• Plan and implement network upgrades or capacity expansions.
• Optimize Quality of Service (QoS) and bandwidth utilization.
• Review vendor contacts and evaluate new technologies.
• Work with deployment teams on Fiber and Fixed Wireless expansion.
• Create and maintain project plans for all network and customer projects.
• Create and maintain documentation for customer networks.
Project-Based/Long-Term Tasks:
• Design and deploy new network infrastructure (e.g., core upgrades, new sites).
• Implement redundancy and high-availability solutions.
• Manage large-scale migrations (e.g., IPv6 adoption, CG-NAT, MPLS over MikroTIK).
• Develop automation scripts to improve network efficiency and monitoring.
• Collaborate on security frameworks.
• Train and mentor junior admins.
Requirements:
• 5 – 7 years of proven experience in Fixed Wireless ISP, IP, and network design.
• Competency with TCP/IP, VLANs, VRFs, OSPF, BGP, MPLS, and Spanning Tree.
• In-depth experience in circuits and ISP routing protocols.
• High-level troubleshooting skills.
• Thorough understanding of carrier Ethernet networks, LAN/WAN networks, IP protocol, routing, switching, network management, and security.
• Customer relations skills.
• Understanding of wiring and installation standards for equipment.
• Understanding of computing system technologies and environments, including servers, PCs, and storage systems.
• Competency with vendor platforms: Mikrotik, Cambium, Telrad, Tarana, Nokia, Adtran, Zhone.
Desirable Qualifications:
• Soft switch dial translations, call routing, and associated functionality design, deployment, maintenance, and coaching.
• VoIP/POTS/Other voice service design, deployment, maintenance, and coaching.
• Provision circuits across the telephony network.
• Experience in statewide/regional carrier networks and LEC call routing.
• Experience with MetroEthernet standard.
• Background in provisioning circuits.
• Previous experience with security tools, such as SonicWall firewall.
• Install and maintain carrier-grade soft switch technology.
Technical Skills:
• Networking Protocols & Concepts:
• Strong understanding of TCP/IP, BGP, OSPF, MPLS, VLANs, VRFs.
• Layer 2 & Layer 3 switching and routing.
• Quality of Service (QoS) implementation.
• Network segmentation and traffic engineering.
• Hardware & Infrastructure:
• Experience with carrier-grade routers, switches, and firewalls (e.g., Cisco, MikroTik, Arista, IP Infusion).
• Wireless networking and RF planning (FWA Specifically).
• DWDM, dark fiber, and carrier-grade transport networks.
• VPN concentrators and technologies.
• Security & Compliance:
• Firewall rules, ACLs, and IPS/IDS.
• Network access control (Radius, TACacs, 802.1X authentication).
• VPN technologies (IPSec, SSL VPN, L2TP, GRE tunnels).
• DDoS mitigation strategies.
• Monitoring & Troubleshooting:
• Packet analysis tools (Wireshark, TCPdump, NetFlow).
• SNMP-based monitoring (Cacti, WhatsUp Gold).
• Syslog and event correlation.
• Experience with troubleshooting latency, jitter, and congestion issues.
• TR-069 Protocol.
• Scripting & Automation:
• Network automation (VBScript, Bash, MikroTik scripting).
• REST APIs for managing network devices.
• CLI proficiency in multiple vendors.