Network Engineer Expert - TS/SCI with Polygraph

Job Description:Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able To Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:IT Infrastructure and OperationsSkills:Job Qualifications:Cisco, DISA STIG, Juniper, Network EngineeringCertifications:NoneExperience:10 + years of related experienceUS Citizenship Required:YesJob Description:Transform technology into opportunity as a Network Engineer Expert with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you’ll be at the forefront of innovation and play a meaningful part in improving how agencies operate. At GDIT, people are our differentiator.As a Network Engineer Sr Principal, you will help ensure today is safe and tomorrow is smarter. Our work depends on a Network Engineer Sr Principal joining our team to support a geographically dispersed, state of the art systems that seamlessly integrate Linux and Microsoft services. Positions will provide engineering support to multiple WAN connected sites, with data flows crossing various controlled interfaces, and will follow specific IT project management and engineering lifecycle processes. A Network Engineer Sr Principal will be responsible for supporting their solutions throughout the IT project lifecycle, to include refining requirements, creating design documentation, creating installation instructions and deployment plans, and providing O&M support. Project assignments will vary based on skill level, and may include engineering geographically dispersed services, integrating services into public, private and hybrid cloud environments, engineering solutions to be deployed via automated CM tools, and hardening the solutions to address security and SCAP compliance.How a Network Engineer Will Make An Impact:Administer, operate, manage and maintain network components for on-premises and cloud-based virtualized systemsDesign, develop, implement, and maintain (LAN, WAN, Wireless) network infrastructureDetermine network bandwidth needs and recommend measures to meet those requirementsDesign, recommend and implement new solutions to improve the resilience of network operationsConduct network modeling and analysis to construct a reliable, high-performance integrated networkMonitor network performance and troubleshoot problems and outagesSchedule updates and upgradesCollaborate with network architects to optimize system performanceEngage in data network fault investigationsSecure network systems with policies that define and monitor accessConfigure DNS servers and appliancesWhat You'll Need To Succeed:Education: BA/BSRequired Certification: CompTIA Security+ certification or similar for IAT Level II DoD 8570 certificationRequired Experience: 10+ years of related experienceTechnical Skills:Understanding of networking protocols (e.g., IPSEC, MACSEC, HSRP, BGP, OSPF, 802.11, QoS)Candidate should be familiar with the following technologies and protocols.Layer 2: Ethernet, Frame Relay, PPPoE, STP, 802.1q, 802.1x, MPLS, L2VPNsLayer 3: IP, IPv6, LDP, L3VPNs, RSVP, DHCP, IPSEC, PIM, IGMPLayer 4: TCP, UDPRouting Protocols: BGP, OSPFOther: SNMP, RADIUS, TACACS+F5 BIG IP Load BalancersCisco Secure Web ApplianceAbility to setup, configure, upgrade, manage, and troubleshoot Cisco and Juniper routers, switches, firewalls and load balancersExperience with various cloud provider environments such as AWS and AzureExperience with managing work tasks via tools such as JIRA and ServiceNowPrevious experience with the following technologies is beneficial but not required:Juniper QFX Series RouterCisco Firepower Threat Defense / Firewall Management CenterCisco DNA CenterCisco Identity Services EngineSystem configuration based on security guidelines such as DISA STIGsGDIT 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.The 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:NoneTelecommuting Options:OnsiteWork Location:USA CO AuroraAdditional Work Locations:USA VA ChantillyTotal 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.We 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