Senior Network Engineer- Active Secret Clearance
Job Description
NETWORK ENGINEERING LEAD
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CCIE IS MUST
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ROUTING, SWITCHING AND MULTICAST
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Active Secret clearance is must
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Washington DC (ONSITE)
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POSITION OVERVIEW
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Lead hands-on assessment, troubleshooting, remediation, and validation for enterprise network services supporting video and other time-sensitive applications. This role requires deep routing and switching expertise, advanced multicast knowledge, and the ability to trace complex transport issues across network and encryption boundaries.
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What You Will Do
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• Assess current network architecture, device configurations, routing domains, VLANs, dependencies, and operational constraints; compare documented designs with observed behavior.
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• Diagnose and remediate multicast and video-transport issues through IGMP/PIM analysis, routing and switching review, packet capture, and traffic-path analysis.
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• Analyze transport across encrypted links, including MTU and fragmentation, path symmetry, QoS markings, latency, packet loss, and multicast or unicast behavior.
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• Develop corrective actions with customer stakeholders, document proposed changes and rollback considerations, and implement approved changes during authorized maintenance windows.
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• Plan and conduct end-to-end validation, including operational testing with relevant application and video systems; support post-implementation issue resolution.
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• Co-lead secure network integration design with the security engineer and review high- and low-level designs, network diagrams, and future-state documentation.
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• Maintain accurate configuration records, technical findings, validation evidence, and sustainment guidance; contribute to customer knowledge transfer.
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Required Qualifications
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• Active CCIE Enterprise Infrastructure certification.
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• Demonstrated expertise in enterprise routing and switching, multicast networking, packet-capture analysis, and video-transport troubleshooting.
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• Experience analyzing IGMP and PIM behavior, multicast forwarding, VLAN and routing design, and network performance across complex paths.
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• Ability to assess network changes, document technical findings, and validate end-to-end service behavior in production or mission-critical environments.
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• Must be a U.S. person and hold an active Secret clearance; must meet applicable secure-facility access requirements.
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• Ability to work on site at a secure customer facility.
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Work Environment
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On-site in a closed, secure network environment. Work requires disciplined