Tier 3 Subject Matter Expert (SME): Network

Job description

NSS is seeking an experienced Subject Matter Expert (SME) to provide Tier 3 sustainment support to a mission critical IP voice transport network in Fort Meade, MD. The position requires extensive experience designing, implementing, and maintaining complex networks with a focus on security, high availability, and performance. The SME will work closely with operations, management, and customer stakeholders to ensure the network is both secure and functioning optimally. Primary Responsibilities: Provide design, implementation, testing, and maintenance support for a complex enterprise network using industry best practices. Resolve escalated network and security support issues. Independently conduct network assessments, identify possible vulnerabilities, and recommend/develop solutions to problems found. Lead development of network documentation, diagrams, and standard operating procedures. This includes creating and maintaining Engineering Implementation Plans (EIPs). Support Continuous Service Improvements (CSI). Active participation in Root Cause Analysis for Problem Management activities. Work with cross-functional teams to plan and execute network upgrades, migrations, and deployme...