> Markdown version of [/jobs/ext/4296324-network-engineer-cisco-and-juniper-isp-fiber-optics](https://www.wearedevelopers.com/jobs/ext/4296324-network-engineer-cisco-and-juniper-isp-fiber-optics). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Engineer - Cisco and Juniper / ISP & Fiber Optics - **Company:** BROADBAND CONNECT LLC - **Location:** Kettering, MD, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Apple IOS, Computing Platforms, Border Gateway Protocol, Synchronous Optical Networking, Spanning Tree Protocols, VoIP, Catalyst (Software), Cisco IOS, Wavelength-Division Multiplexing, Enhanced Interior Gateway Routing Protocol, Multi-protocol Systems, Junos, Python (Programming Language), Network Security, Microsoft Visio, Nagios, Network Monitoring, Routing, Cisco Nexus Switches, Open Shortest Path First (OSPF), Paessler Router Traffic Grapher, Ansible, Juniper, Information Technology, SolarWinds (Software), Firewall Services Module, Open Network Automation Platform, Cisco - **Published:** October 4, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=7b92c1f49f972ec0 ## About the Role We are seeking a Network Engineer with 3+ years of experience in networking, ISP (Internet Service Provider) environments, and fiber optic infrastructure. The ideal candidate will design, deploy, and maintain high-availability networks, troubleshoot complex Layer 2/3 and optical issues, and support the day-to-day operations of our service delivery infrastructure., * Bachelor's degree in computer science, Information Technology, or a related field (or equivalent experience). * 3+ years of hands-on experience as a Cisco or Juniper network engineer. * Proven experience in an ISP, carrier, or service provider environment. * Strong knowledge of Cisco and Juniper routing/switching protocols (BGP, OSPF, EIGRP, MPLS, STP). * Familiarity with fiber optic technologies: single mode/multi-mode, DWDM/CWDM, SONET/SDH, OTDR testing, and optical power budgets. * Experience with Cisco IOS, IOS-XE, and/or IOS-XR platforms. * Experience with Juniper Junos software platforms * Ability to troubleshoot Layer 2/3 issues independently. * Valid driver's license (if field work is required)., * Cisco CCNA/CCNP (or higher) certification. * Experience with network automation tools (Python, Ansible, Terraform). * Familiarity with network monitoring platforms (SolarWinds, PRTG, Nagios, Cisco Prime/DNA Center). * Experience with carrier-grade equipment (Juniper, Nokia, Cisco) is a plus. * Understanding of VoIP/SIP trunking or telecom services. Soft Skills * Strong analytical and problem-solving abilities. * Excellent communication skills (verbal and written). * Ability to work under pressure during outages and escalate appropriately. * Team-oriented with a proactive, ownership mindset. ## Description * Design, configure, and maintain Cisco and Juniper routers, switches, and firewalls in ISP and enterprise environments. * Monitor, troubleshoot, and optimize network performance, including BGP, OSPF, EIGRP, MPLS, and IP routing/switching. * Support fiber optic infrastructure: troubleshoot physical layer issues, interpret OTDR/loss measurements, and coordinate with field teams on link provisioning and repairs. * Manage WAN/LAN circuits, VPNs (IPSec/Dynamic), VLANs, QoS, and carrier interconnects. * Perform root cause analysis on network incidents, escalate to vendors/carriers as needed, and document resolutions. * Maintain accurate network documentation, diagrams (Visio/Draw.io), and configuration backups. * Assist in capacity planning, upgrades, and migrations (e.g., IOS/IOS-XE/IOS-XR, ASR/Catalyst/Nexus platforms). * Collaborate with NOC/operations teams to ensure SLA compliance and minimize downtime. * Implement and enforce network security best practices (ACLs, NAC, firewall policies).