IT015 Network Engineer

We are looking for a full-time Senior Network Engineer to support the High-End Computer Networking (HECN) task under NASA’s Space and Earth Science Data Analysis (SESDA) contract. The HECN team operates high-performance networking solutions for science at NASA Goddard Space Flight Center (GSFC). The work location will be at NASA GSFC in Greenbelt, MD – both remote and in-person work at the facility is required. The focus of this position is on Network support (both hardware and software with an emphasis on software) including configuring, troubleshooting, and performance-tuning network equipment, including but not limited to routers, switches, firewalls, etc. Candidates will be expected to support the operational network through maintenance and troubleshooting. In addition, the candidate will participate in designing and building high-end, customized networking and server solutions using cutting-edge technology to meet emerging requirements. This is an ideal position for an experienced network engineer who is well-organized and reliable to contribute to and be a part of an established team of highly experienced networking engineers to build and operate high-performance solutions for science. Candidates should be willing to take ownership of assigned tasks, meet deadlines, be willing to learn, adapt quickly to changing requirements, and work both independently and as a part of a team. In addition, applicants will interact with customers so good communications skills are essential. We have an exceptionally supportive environment that is great for learning new skills and provides an excellent career path with increasing responsibilities Duties of the position include: Work closely with the existing HECN members to carry out network and server software management tasks Supportthe high performance networking requirements of the Goddard science andengineering community, including the LAN, MAN, and WAN environments,and the high speed network connectivity to the Internet2 R&Ecommunity Collaborate with the HECN team on designing, planning,implementing, and maintaining evolutionary changes to the networkinfrastructure, to add new capabilities, new customer projects, and toincrease performance, and increase the redundancy and reliability of thenetwork Utilize knowledge of IPv4 and IPv6 OSPF and BGP routingprotocols, Ethernet and TCP/IP protocols, Linux network tools such asethtool, netstat, ip, nslookup, and whois, and diagnostic tools such asping, traceroute, nuttcp, and tcpdump, to diagnose and resolve networkconnectivity, latency, and performance issues Manage and utilizenetwork monitoring capabilities such as MRTG, PRTG, and in-house toolsto proactively evaluate network bandwidth usage over time to determinethe need for network upgrades and to help automatically detect networkproblems and assist with troubleshooting of user issues Researchnew network equipment, and test and evaluate those that are deemed tobe potentially useful for incorporation into the existing networkinfrastructure Work with multiple network vendors equipment,including Dell, Juniper, Edgecore, Cisco, Arista, and Extreme, insupport of the daily operation and management of the production networkenvironment Develop and maintain scripts (shell, perl, python,ruby, etc) for monitoring the network using SNMP, sFlow, NetFlow, andthe ARP, routing (IPv4 and IPv6), and MAC address tables maintained bythe network switches and routers Work with collaboratingenterprises on performing network R&D that will be beneficial to theevolution of the network and its customer base Implement andenforce mandated NASA/Federal network and system security requirements,while minimizing the impact to the user community to the extent possible Installing, configuring, and maintaining network equipment such as routers, switches, and firewalls Provide quality and timely network user support (end system to end system) Deployingcritical patches and upgrades to network operating systems of switchesand routers to ensure compliance with Information Technology (IT)security requirements Enforcing computer and network access controls consistent with GSFC IT security policies In-person facility support work as required Requirements: Eight or more years of hands-on network engineering experience, or equivalent, including designing network architectures Extensive experience with installing, configuring, and troubleshooting network routers and switches Experiencewith troubleshooting network problems in the LAN, MAN, and WANenvironments, including connectivity, latency, and performance issues In-depthunderstanding of and significant experience with IPv4/IPv6 networkingprotocols including routing protocols (OSPF, OSPFv3, BGP, HSRP, andVRRP) and switching, DNS, and firewalls In-depth knowledge of and experience with Layer2 technologies such as VLANs, VLAN trunking, LAGs, MLAGs, QinQ, STP, and 802.1x Experience with network and system scanning and reporting tools such as SNMP, nuttcp, sFlow, MRTG, PRTG, and others Experience with scripting languages (such as shell, perl, python, or ruby), Linux and Linux tools Knowledge of system and network security best practices, and experience implementing them A flexible/adaptive mindset with a willingness to learn, a team-oriented approach, and great customer service skills Desired Experience: Experience with multiple vendors network equipment is highly desirable Familiarity with Cisco ISE for Network Access Control (NAC), system vulnerability scanning tools such as Nessus Familiaritywith the Linux operating system and installing, configuring, andmaintaining Linux network application software such as ntp, mrtg, snmp,and iptraf-ng Experience with C coding language and familiarity with Open-Source software Experience with productivity suites (especially Office365) Familiaritywith NASA IT environments, Federal IT requirements and guidelines(FISMA, NIST) and awareness of industry best practices (CISBenchmarks, FDCC/USGCB) would be useful TeamADNET brings over 30 years of experience to information systems andprofessional services for the federal government. With a history ofexpertise in software development, computer network design, IT security,mission operations support, and educational outreach, Team ADNET isdeeply embedded in the Space and Earth Science at NASA’s Goddard SpaceFlight Center (GSFC) in Greenbelt, MD. ADNET Systems, Inc. is working with Goddard Space Flight Center to fulfill NASA’s vision for space exploration, and working with the Science and Exploration Directorate to fulfill its many missions ADNET Systems, Inc. is an employee-centric company, committed to providing premier benefits that support our employees and their families. With affordable medical and dental plans coupled with leading disability and life insurance options, ADNET offers our employees the benefits most sought after by today’s professional candidate. Furthermore, our benefits package features the extras that distinguish us from other small businesses, ensuring our high employee retention that our customers appreciate Some features of our compensation plans and environment perks include:

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