Type of Requisition:RegularClearance Level Must Currently Possess:SecretClearance Level Must Be Able to Obtain:Top SecretPublic Trust/Other Required:NoneJob Family:IT Infrastructure and OperationsJob Qualifications:Skills:Disaster Recovery (DR), Network Engineering, Networking Topologies, Network ProtocolsCertifications:CompTIA Security+ CE | CompTIA - CompTIAExperience:10 + years of related experienceUS Citizenship Required:YesJob Description:Join GDIT and be a part of the team of men and women that solve some of the world’s most complex technical challenges. The Defense Threat Reduction Agency (DTRA) Defense Stockpile Management Systems (DSMS) support is searching for a Sr. Network Engineer to join their team in Fort. Belvoir, VA.The Sr. Network Engineer is responsible for the design, implementation, maintenance, and security of enterprise LAN/WAN environments. This role ensures strict adherence to Department of War (DoW) cybersecurity and configuration-management standards, providing critical technical leadership, Operations & Maintenance (O&M), and continuous monitoring for mission-critical networks.WHAT YOU WILL DO:Install, configure, and maintain multi-vendor routing/switching platforms (Cisco), VPN concentrators, and F5 load balancers. Design and implement network topologies, managing complex routing protocols including OSPF, EIGRP, BGP, and MPLS.Apply DoW STIG/SRG requirements to all network devices to maintain IAVA/IAVM compliance. Perform verification across HBSS modules and utilize enterprise automation tools to deploy secure baselines.Responsible for ensuring 99.7% network uptime across critical and strategic enclaves, driving cybersecurity compliance through rigorous STIG/IAVA applications, and leading Network engineering intiatives during complex migrations, hardware refreshes, and network outages.Design, plan, and execute enterprise network migrations, topology updates, and hardware refreshes (Cisco, Palo Alto, etc). Develop and maintain comprehensive network diagrams, rack elevations, and disaster recovery plans.Monitors the network utilizing industry leading technologies. Provides innovative methods and technical solutions using the engineering design process. Coordinates LAN/WAN hardware/software improvements and/or enhancements.Performs maintenance and upgrade of networks including servers, routers, switches, firewalls, remote access systems, and networksWHAT YOU WILL NEED:BA/BS or equivalent work experience and 10+ years of networking engineering experienceWork experience with Network Protocols: WAN|LAN, TCP|IP, VPN, IPS/IDS, SNMP, STP, NTP, OSPF, EIGRP, BGP, MPLS, H.323/MGCP, SIP, VRF, IEEE 802.1x|802.1qWork experience with Management & Security: SolarWinds, Remedy, Spectrum, Wireshark, ASDM, ASA, ISE, ESA, WSA, HBSSCertifications: CCNP Enterprise, CCNP Collaboration; CompTIA Security+ (Required for DoW 8570/8140 compliance).Security Clearance Required: Active Secret ClearanceGDIT IS YOUR PLACE :401K with company matchComprehensive health and wellness packagesInternal mobility team dedicated to helping you own your careerProfessional growth opportunities including paid education and certificationsCutting-edge technology you can learn from and apply to solve real world problemsRest and recharge with paid vacation and holidays#GDITpriority#armajobsThe likely salary range for this position is $148,750 - $201,250. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:Less than 10%Telecommuting Options:OnsiteWork Location:USA VA Fort BelvoirAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most. Our Identity Verification Process:As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes. About Our Work:We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans