Network Engineering Senior

Sr. Network EngineerMarathon TS is seeking a Sr. Network Engineer with an active TS/SCI security clearance who is willing to obtain a CI Polygraph to support one of our intelligence customers. This position will support critical network engineering activities in Springfield, VA or St. Louis, MO and offers the opportunity to work on mission-focused projects within a highly secure environment.In this role, a typical day will include:Support customer's Data Center network, application delivery, and network security environments to include operations and maintenance (O&M), system integration/deployment and solution development/design. Provide tier III SME level support within the incident management process. Work independently with project stakeholders, system owners, project managers, and technical staff to deploy or enhance IT solutions.Coordinate with project staff for solution development and deployment while managing project aspects within applicable technical area of responsibility.Collaborate with system engineers across teams and disciplines to ensure solutions meet established technical goals and are deployed within established timelines.Evaluates new network technologies and makes recommendations to stakeholders regarding the integration of these technologies into the existing network.Develops and implements methodologies for analysis, testing, and support of LAN and WAN networksDiagnose hardware and software problems and replace defective components.Support operations and maintain activities and administer networks including hardware, systems software, applications software, and all configurations.Ensure systems are integrated with existing performance and availability management framework.Schedule and coordinate systems changes within the established change management framework.Evaluate new system hardware and software to ensure optimal integration with existing hardware and compliance with customer standards.Prepare technical proposals for presentation to the engineering review boards for adding new technologies to the network.Perform a full range of upgrades in accordance with existing network architecture.Review user requests for upgrades or additions to the network to assess impact on network performance and provide advice and guidance on the most practical technical approach to meeting user requirements.Perform long term O&M activities to include tier 3 troubleshooting and problem resolution.Interface with external tier 4 support staff and vendor support as required for problem resolution.Utilize complex network analysis tools to identify and correct problems in the network while maintaining logs and records associated with reported problems or situations.Prepare troubleshooting procedures for restoring the network to optimal performance levels.Develop and document standard operating procedures (SOP) for use by technical support staff.Provide fault management for the network and supports performance management functions.QualificationsSME level understanding and experience with dynamic routing protocols to include OSPF and BGP.Professional or expert level certifications (at a minimum CCNP, F5-CTS or JNCIP) - CCIE/F5-CSE/JNCIE preferredSME level understanding of data center technologies. Familiarity with EVPN, VXLAN, Cisco vPC, ACI, F5 load balancing and RSTP is a plus.Experience with Cisco, F5, Juniper and Palo Alto hardware and operating systems is a plus.Understanding and experience analyzing TCP/UDP application flow using external network analyzers along with built-in network switch/router diagnostic tools.Familiarity with DoW STIGs and SD-WAN.Experience with MS Visio and documenting network architectures and application flows.Strong oral and written communication skills.Effective at communicating technical ideas through presentations, documentation, meetings.Learn and evaluate new technologies.The candidate will be responsible for managing their own projects from start to finish so initiative, time management, and attention to detail are critical traits and skills.10 years of experience preferred with several years focusing specifically on data center networking and technologiesLocation: Customer Site US Citizenship RequiredMarathon TS is committed to the development of a creative, diverse and inclusive work environment. In order to provide equal employment and advancement opportunities to all individuals, employment decisions at Marathon TS will be based on merit, qualifications, and abilities. Marathon TS does not discriminate against any person because of race, color, creed, religion, sex, national origin, disability, age or any other characteristic protected by law (referred to as "protected status ").