Senior Network Engineer

Role Overview

• Design, implement, maintain, and troubleshoot a highly available IP/BGP telecommunications network. Configure and install routers, switches, firewalls, and related network devices.
• Configure, implement, and troubleshoot customer telecommunications services, including DIA, DWDM, Metro Ethernet, and other offerings.
• Monitor key network indicators, including performance, device health, availability, status, and integrity.
• Manage and maintain the company’s Zero Trust and SASE security suite, supporting deployment, configuration, troubleshooting, and planning.
• Maintain and troubleshoot network-related hypervisors and virtual machines.
• Deploy, maintain, and troubleshoot Linux and Windows servers.
• Develop and maintain automation for network provisioning, configuration, monitoring, validation, and operational tasks. Regularly evaluate the reliability and effectiveness of automated processes.
• Research and evaluate new network technologies and recommend network equipment purchases during infrastructure refresh cycles.
• Serve as a technical leader by providing consulting services to Threshold Communications customers. Assist with troubleshooting network issues and act as the highest point of technical escalation.
• Create custom solutions for customers as part of the sales engineering role, with limited capacity.
• Assist with Threshold Communications’ VoIP platform, including hosted PBX, SIP trunking, and related VoIP services.
• Maintain accurate technical documentation. Record procedures, configurations, troubleshooting, and completed work in the company’s ticketing system and knowledge base.
• Mentor team members on technical issues and troubleshooting techniques.
• Perform on-site data center work to install, troubleshoot, and maintain systems and network equipment.
• Participate in the Engineering team’s on-call rotation.

Requirements

• Eight or more years of industry experience as a Network Engineer, Network Administrator, or in a comparable networking role.
• Telecommunications industry experience is strongly preferred.
• Strong written and verbal English communication skills.
• In-depth understanding of TCP/IP and routing protocols, including BGP and OSPF.
• Strong working knowledge of the OSI model and ability to troubleshoot TCP/IP networks using physical and software diagnostic tools.
• Demonstrated proficiency in planning, deploying, and troubleshooting WANs, LANs, firewalls, DNS, VLANs, static and dynamic IP addressing, and VPNs.
• Experience supporting on-premises, cloud, and hybrid environments, including Amazon Web Services, Microsoft Azure, and Oracle OCI.
• Deep understanding of Metro Ethernet services and terminology, including EPL, EVPL, UNIs, NNIs, and IEEE 802.1ad.
• Strong understanding of network operating systems, including Arista EOS, Cisco IOS XR, Ciena SAOS, Fortinet FortiOS, and Palo Alto Networks PAN-OS.
• Experience with virtualization and container technologies, including VMware, KVM, Proxmox, Docker, and Microsoft Hyper-V.
• Proficiency in Linux and UNIX system administration, including deployment, troubleshooting, updates, and security patching.
• Experience with Microsoft and Unix-based operating systems, including Debian, Ubuntu, Red Hat Enterprise Linux, Rocky Linux, FreeBSD, and Windows Server.
• Experience with administration in Office365 suite of solutions.
• Knowledge in scripting languages and other automation tools such as Python, Bash, Ansible, or others.
• Ability to independently analyze systems and networks, develop designs, and plan implementations.
• Ability to learn and adapt to new technologies quickly.
• Exceptional organizational skills and attention to detail.
• Ability to manage multiple priorities in a fast-moving environment.
• Experience with monitoring and logging tools, including Splunk, Zabbix, and the Elastic Stack.
• Ability to work independently while collaborating effectively across teams.
• Strong customer-service mindset and ability to communicate professionally with individuals at all organizational levels.

Tech Stack

• Ansible
• AWS
• Azure
• Cloud
• DNS
• Docker
• Firewalls
• iOS
• Linux
• Oracle
• Python
• Splunk
• TCP/IP
• Unix
• VMware
• VoIP