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Role: Sr Network Engineer Location: Hyattsville, MD and Arlington, VA and Washington, DC (travel required within MD/VA/DC) Duration: 6 months contract Job ID: WMATA Senior Network Engineer - 809046 Client: WMATA Hybrid position, Must be local to DMV area and must be available for F2F interview. 12+ years of experience required CCNP Enterprise certification required Description: Position requires extensive knowledge of the telecommunication industry, network architectures, engineering and deployment support for Vendor provided transport services and integration into the WMATA data network. WMATA is looking for a Network Engineer responsible for the design, governance, and continuous evolution of WMATA's enterprise network architecture across LAN, WAN, SD-WAN, wireless, firewall, load-balancing, and network security domains. Responsibilities: Serve as the technical authority for all network architecture decisions, including routing, segmentation, firewall architecture, load-balancing architecture, security integration, traffic engineering, and resiliency design. Develop, maintain, and continuously refine network architecture artifacts, including: High-level and low-level network designs (HLDs/LLDs) Network segmentation models supporting IT/OT convergence Routing architectures (BGP, OSPF, SD-WAN) and failover design Firewall security zone models and policy framework architecture Load-balancing and application delivery architecture designs Define and enforce network standards and configuration baselines to ensure consistency, security, availability, performance, and operational supportability across all environments. Establish architecture standards for firewalls, VPNs, ADC/load-balancing platforms, network segmentation, high-availability services, and cloud connectivity. Support lifecycle and capacity planning, including: Hardware/software EOL/EOS tracking Throughput forecasting and scalability planning Network modernization roadmap development Firewall and load-balancer lifecycle planning Coordinate network architecture alignment with NFE Solution implementation and enterprise infrastructure environments. Review and approve firewall segmentation strategies, security zone designs, routing architectures, application traffic flows, and load-balancing configurations to ensure alignment with enterprise architecture standards. Support CCB activities by reviewing and approving all network-related changes impacting architecture, security, availability, performance, or resiliency. Evaluate and incorporate OEM/vendor solutions and industry best practices for routing, switching, wireless infrastructure, firewalls, load balancing, network security, and cloud networking into the enterprise network environment. Provide architectural oversight for integration of monitoring, telemetry, observability, and network management platforms to ensure operational visibility and supportability of all network services. Required Skills Understanding network infrastructure and protocols (proprietary, IMS, and IP), latest LAN/WAN/ISP protocols (MPLS, BGP, SIP), Understanding the latest LAN/WAN/ISP protocols (MPLS, BGP, SIP), latest-generation routers, telecommunications switches Strong client skills with the demonstrated ability to communicate effectively throughout all levels of an organization. Exceptional written skills, including authoring client communications, expository project documents (e.g., Statements of Work), and strategic analyse Proficiency in formal project management methods, including internal documentation and external communications First-hand experience designing CISCO network applications. differences between commonly used applications and technologies First-hand experience designing, implementing, and managing e911 system deployments in large (500 + people) organizations First-hand experience in wireless technical development efforts and ability to speak to the merits of and differences between commonly used applicant First-hand oversight experience on Voice over IP technical development efforts and ability to speak to merits of, and differences between technology CCNP Enterprise or equivalent Regards Kanchan Illa CSZNet, Inc. Direct: 202-903-0969 Email: kanchan.illa@csznet.com