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Leidos

Builds technology for defense and civil agencies

Mid-Senior Network Engineer

Network Engineering & AdministrationConfirmed live in the last 24 hours
Full-timeAnnapolis Junction, MD, USA

About the Job

Requirements

  • A bachelor's degree in engineering or a related field and at least 8 years of related experience; additional experience may be substituted for a degree.
  • At least 5 years of in-depth experience with Cisco Systems hardware and software.
  • At least 5 years of in-depth experience with Palo Alto Systems hardware and software.
  • Experience providing analysis, root cause diagnosis, and troubleshooting for routers, switches, and firewalls.
  • An in-depth understanding of IP subnetting, VLANs, and the OSI layers.
  • In-depth experience with various vendor networking products, including switches, routers, and firewalls.
  • A solid understanding of physical mediums such as copper and single-mode or multimode fiber, and physical connector types such as RJ11, RJ45, LC, SC, and ST.
  • Ability to respond to operational issues while off duty on an on-call basis.
  • Must have TS/SCI with Polygraph.

Responsibilities

  • Participate in creating and maintaining network documentation to ensure clear, concise, and accurate information is available to assist with incident resolution.
  • Provide enterprise network support, working closely with IT service provider teams to ensure customer requirements are considered and supported by the evolving LAN/WAN architecture.
  • Execute the process for managing information assurance vulnerability alerts (IAVAs) and system security scanning for equipment suites in accordance with the systems' System Security Plans, to identify and remediate IAVAs rapidly and accurately.
  • Propose, design, test, and install capabilities that are new to the environment.
  • Oversee the development and maintenance of technical data, including rack elevations, installation instructions, and other as-built designs.

Desired Qualifications

  • Experience with KG-175 and/or KG-250/KG-255 configuration and deployment.
  • Experience with VINE/GEM One.
  • Experience with SolarWinds or similar network monitoring applications, configuration, and monitoring tools.
  • Experience using VMware 7 or higher and configuring networks.
  • Experience with any or all of the following technologies: Cisco, Nexus, Catalyst, ASA, ISR/XE, Firepower, ISE, McAfee Sidewinder, Palo Alto, Juniper, F5, IPsec, NAT, SCP, TFTP, BGP, and vPC.
  • Experience configuring and troubleshooting Cisco Call Manager servers and integrating them with Instant Messaging (IMP), Cisco Meeting Server, Jabber, and Unity Voicemail.
  • Experience managing and upgrading on-premise Cisco Unified Communications and Collaboration infrastructure.
  • Experience with OLT/PON.
  • Experience with and a basic understanding of TCP MTU/MSS adjustments.
  • Understanding of security using technologies such as reverse proxies, cross-domain solutions, and load balancers.

About the Company

Leidos

Builds technology for defense and civil agencies

Leidos develops technology and runs services for defense, intelligence and civilian agencies, as well as healthcare and commercial customers. It combines software and engineering work with systems integration, building secure networks and equipment used in demanding operations. Its portfolio includes medical services, energy infrastructure design and technology that supports military missions, linking specialist businesses under one parent. Customers pay through contracts for delivered systems and services, with payment tied to labor, costs or agreed project milestones. Leidos traces its roots to a company founded in 1969 and is headquartered in Reston, Virginia.

Company size
10,001+
Company stage
IPO
Headquarters
Reston, VA
Founded
1969

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