Description Job Description: The Department of Homeland Security (DHS) has a continuing requirement for Secure Enterprise Network Systems, Services, & Support (SENS3) for the continued operations and maintenance and evolution of the Homeland Secure Data Network (HSDN) and the Classified Local Area Network (C-LAN). This position will be to setup and maintain network infrastructure (switches, routers, etc ) and their configurations. The position is a self-lead position to not only work network incidents, outage, but the deployment/extension of the network. Primary Responsibilities Providing technical support in all areas of networking, such as routers, firewalls, bridges, gateways, etc. Evaluating, coordinating and performing installation and/or reconfiguration of hardware and software elements of networks. Perform day-to-day network sustainment activities. Creating and maintaining network documentation. Assist with design, implementation, and integration of network changes. IP address management IPAM, switch setup, and network operations support. Basic Qualifications High school diploma or equivalent and 3 5 years of prior relevant experience in maintenance, and operation of large enterprise networks Experience in supporting classified networks Experience with VLAN, routing, IP addressing and sub-netting. Experience troubleshooting and configuring IP networks using at least one of the following routing methods: BGP, ISIS, OSPF or Static routing. Experience with enterprise IP networks using Cisco and/or Juniper routers. Preferred Qualifications COMSEC experience or certifications Experience with Solar Winds Experience with both Juniper and Cisco network equipment Experience with F5 load balancing systems Experience with configuring and maintaining firewalls in an enterprise environment Cisco or Juniper certifications External Referral Bonus: Eligible Potential for Telework: Yes, 10% Clearance Level Required: Top Secret/SCI Travel: Yes, 10% of the time Scheduled Weekly Hours: 40 Shift: Standard Plus On Call Requisition Category: Professional Job Family: Network Administration and Ops Leidos is a Fortune 500 information technology, engineering, and science solutions and services leader working to solve the world s toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company s 38,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. For more information, visit www.Leidos.com . Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here . Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to @leidos.com . All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.