Tier 3 Subject Matter Expert (SME) with Security Clearance - RMantra Solutions : Job Details

Tier 3 Subject Matter Expert (SME) * Clearance: TS with SCI eligibility * Certification: Comptia Security + * Location: Ft Meade, MD * Work Schedule: 100% Onsite RMantras 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 deployments. * Manage vendor relationships, including engagement on Incident Support activities and ensure timely delivery of program deliverables. * Monitoring, capacity planning, backup, and recovery of network equipment * Keep up with technology trends. Evaluate and recommend new technologies, tactics, and tools to improve service delivery. * Mentor and coach junior engineers, including providing training and support as required. Core Qualifications: * Bachelor's degree and 8 - 12 years of prior relevant experience or Masters with 6 - 10 years of prior relevant experience. Specific years of related work experience may be substituted for a degree at the Hiring Manager's discretion. * Ability to work in a team environment with excellent communications and interpersonal skills. * Active DoD clearance at the Top-Secret level with SCI eligibility * Security+ Certification or other DOD 8570 IAT Lvl II Certification within a certain timeframe after starting if not starting with one when hired. * Extensive knowledge of defense-in-depth principles, Network and Security architecture, network topology, IT device integrity, and common security elements. * 10+ years' experience engineering and troubleshooting networks, including extensive routing and switching experience such as one or more of the following: MPLS, VPNs, routing protocols i.e. BGP, OSPF, IS-IS, switching protocols i.e. Spanning Tree Protocol, VLANs, LLDP, VoIP, Multicast protocols and emerging network technologies. * Strong understanding and in-depth knowledge of IP network/subnet addressing. Experienced and adept at developing and maintaining technical documents, analyses, and reports. * Experience developing and presenting technical information to senior customer management, customer stakeholders, and company management. * Ability to travel up to 10% including OCONUS potential travel. Preferred Qualifications: * Experience with Juniper route, switch and security appliances. (MX, EX, SRX) * Experience with Session Initiation Protocol (SIP) implementation and design concepts. * Experience with Ribbon Session Border Controllers (SBC) * Experience with SolarWinds configuration and maintenance. * Experience with change, configuration and performance management NetOps concepts. * IAT Level III Certification (i.e. CISSP or equivalent). For more information please Contact Us Or send an email to