Note: The job is a remote job and is open to candidates in USA. CyKor is seeking a Senior Network Engineer to provide NetOps and Tier 3 engineering support for a client’s enterprise network modernization efforts. The role supports operational sustainment and troubleshooting as SD-WAN and Zero Trust capabilities transition into production, coordinating incident resolution, root-cause analysis, and engineering improvements across technical and Government teams.
Responsibilities
- Provide Tier 3 technical support for enterprise SD-WAN and associated network infrastructure
- Serve as a senior escalation point for issues that cannot be resolved through Tier 1/Tier 2 operational support
- Troubleshoot complex routing, switching, SD-WAN, WAN connectivity, VPN, firewall, and network-performance issues
- Support troubleshooting of Cisco routers, switches, SD-WAN controllers, and related enterprise network components
- Perform root-cause analysis and develop corrective actions for recurring or systemic network issues
- Support newly deployed shore and cutter sites during installation, activation, validation, and transition to operations
- Coordinate with provisioning and integration engineers to resolve configuration and deployment discrepancies
- Validate network configurations, routing behavior, connectivity, performance, and operational readiness
- Support incident, problem, and change-management activities and maintain accurate technical records
- Develop and maintain troubleshooting procedures, knowledge articles, escalation procedures, and lessons learned
- Identify recurring operational issues and provide feedback to architecture and automation teams for engineering or automation improvements
- Assist with configuration changes, software upgrades, patching, STIG remediation, and other approved maintenance activities
- Coordinate with Government technical leads, cybersecurity personnel, field technicians, vendors, and other contractors during troubleshooting and restoration activities
- Support operational metrics, ticket trending, backlog management, and identification of systemic network risks
- Participate in technical reviews, incident calls, deployment readiness reviews, and post-installation validation as required
Skills
- 8+ years of progressively responsible network engineering experience, including senior-level enterprise network operations or Tier 3 support
- Strong hands-on experience with Cisco enterprise routing and switching technologies
- Demonstrated experience troubleshooting complex Layer 2/Layer 3 network issues
- Strong knowledge of BGP, OSPF, VLANs, VPNs, QoS, TCP/IP, DNS, DHCP, NAT, and enterprise WAN architectures
- Experience supporting large, distributed enterprise networks
- Experience performing advanced troubleshooting, packet analysis, root-cause analysis, and technical remediation
- Ability to interpret network diagrams, configurations, logs, monitoring data, and engineering documentation
- Experience operating within formal incident, change, configuration, and problem-management processes
- Strong technical documentation and customer communication skills
- Ability to work independently while coordinating across multiple engineering and operational teams
- Active Secret clearance
- Cisco SD-WAN/Viptela experience
- Experience with Cisco Catalyst 8000/8300-series routing platforms and Catalyst switching
- Experience with Cisco ISE, Zero Trust Network Access, network segmentation, or microsegmentation
- Experience with Cisco Catalyst Center, ThousandEyes, Splunk, SolarWinds, or comparable network-monitoring and observability platforms
- Familiarity with network automation using Ansible/Red Hat Ansible Automation Platform, Python, APIs, or similar technologies
- Experience supporting DoD, DHS, or another large federal enterprise environment
- Familiarity with DISA STIGs, cybersecurity compliance, and federal network security requirements
- CCNP Enterprise or equivalent demonstrated technical experience
- CCIE is highly desirable
- Security+ or equivalent DoD 8140/8570-aligned certification
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