Systems/Network Engineer

Type Of RequisitionRegularClearance Level Must Currently PossessTop Secret SCI + PolygraphClearance Level Must Be Able To ObtainNonePublic Trust/Other RequiredNoneJob FamilyIT Infrastructure and OperationsSkillsJob Qualifications:Ccna Networking (Inactive), Network Administration, Network Flows, Network Management, Network SetupCertificationsNoneExperience20 + years of related experienceUS Citizenship RequiredYesJob DescriptionSYSTEMS/NETWORK ENGINEER SR PRINCIPALA Seasoned Network Engineer With Over 20 Hands On Years’ Experience Preferably In An Intelligence Community Environment. The Candidate Should Have Experience With CISCO Switches, Routers And Firewalls, Dell And Other Servers, Network Laptops, Network Debug And Analysis Tools Such As Wirehsark And Tripwire. The Candidate Should Also Have Experience With Devices Such As Palo Alto, Haipe Or Other Security Appliances. Experience Should Also IncludeNetwork security hardening experienceSpecific knowledge of CISCO switches, routers and firewalls to include the Cisco 9300 series switchesDemonstrated ability to design and develop rack configurations drawings and network diagramsExpertise and knowledge of switches, routers, firewalls, security appliances and architectures of network as a serviceNetwork security and network hardening experience in DoD environmentsSupport for SSP developmentNetwork TroubleshootingEvaluation of message receiving functionsAssessment of Acks and NacksAbility to understand specific functionsDrawing and configuration of racksAssess if network is configured correctlyReview firewall traffic (use of Packet Tools and Tripwire)Tools: Wireshark and othersAbility to determine which side of the network problem is from a connection standpointNetwork Requirements Evaluation and developing network diagrams in Visio, PowerPoint and ExcelPhysical Network Construction (installation of switches, fiber, cables security devices and more) on SERD for SCS/ESBAssistance to tamper and concealment group in assessing needs for design and deployed networkHAIPE MTU assessment and reviewFiber installation and removalExperience with JIRA, Confluence and similar toolsCandidate must interact well as an individual contributor or member of a focused team.What You’ll Need To SucceedBring your technology expertise and drive for innovation to GDIT. The Systems Engineer Sr Principal must have:Education: HS DiplomaExperience: 20+ years of related experienceTechnical skills: Strong Network ExperienceSecurity clearance level: Active TS/SCI w/ Polygraph requiredUS citizenship requiredGDIT IS YOUR PLACEAt GDIT, the mission is our purpose, and our people are at the center of everything we do.Growth: AI-powered career tool that identifies career steps and learning opportunitiesSupport: An internal mobility team focused on helping you achieve your career goalsRewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time offCommunity: Award-winning culture of innovation and a military-friendly workplaceOWN YOUR OPPORTUNITYExplore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.#MD_2026Alumni#IntelligenceEngineeredThe 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 Hours40Travel RequiredNoneTelecommuting OptionsOnsiteWork Location:USA MD Annapolis JunctionAdditional Work Locations:Total Rewards At GDITOur 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 ProcessAs 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 WorkWe are GDIT. A global technology and professional services company that delivers consulting, technology 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 capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.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