Network Administrator

Job Description:

Administrator activities associated with  equipment will be performed in accordance with processes and procedures found in the appropriate ALOG referenced above.

Network Administrators are expected to perform network maintenance and monitoring, firewall maintenance and operations, network appliance maintenance and operations, switch maintenance, network time synchronization, backup/restore/disaster recovery, and user support. This section further expands the general definition of Network Administrators into specific tasks that are common across the various sites to support the ALOU, CPE, and SOU.

The ability to obtain and maintain an active secret clearance with an investigation completed in the last 6 years is required. A Security+ certification (or equivalent-GSEC, CAP, CASP, CISM, CISSP, CISA, etc.) is required within 60 days of starting a position.

Junior-Senior level opportunities available, salary ranges are based on education/certifications and years of experience.

All positions require standard business travel usually once every 6 months for 1-3 weeks to other US base locations. 

* denotes locations that require overseas travel every 1.5 years for 3-6 months

Network Maintenance and Monitoring

  • Troubleshoot connectivity between SOU and the
  • Maintain and update system firewalls and maintain TCP/IP networks and information on network topologies.
  • Monitor hardware/software logs, software events, user activity, resource access, and provide network monitoring and intrusion detection.
  • Provide overall onsite network support and maintenance of internal networks.
  • Troubleshoot any network problems within trusted point-to-point between
  • Employ tools to automate the monitoring of the network and perform intrusion detection.
  • Ensure network devices comply with site regulations at all times.
  • Interact with local base network communications group to assist in troubleshooting and manage planned network outages and upgrades.
  • Perform IP Address Management.
  • Firmware Upgrade
  • OS Upgrade
  • Patching
  • Firewall Maintenance and Operation
  • Maintain and operate the firewalls, including security updates for all firewall devices.
  • Network Appliance Maintenance and Operation
  • Configure, monitor, and maintain the SSL/VPN Appliance to block direct communications to
  • via the forward/reverse proxy.
  • Maintain IPSec clients for Portable Maintenance Aid (PMA) Synchronization.
  • Switch Maintenance
  • Analyze port and replace or reconfigure device when necessary.
  • Perform software upgrade or install new firmware when required.
  • Perform monthly check with vendors for software updates and firmware upgrades.
  • Ensure software updates and firmware upgrades are tested prior to final installation into .
  • Network Time Synchronization
  • Synchronize the time on all network devices and coordinate with the System Administrator when necessary.
  • Backup/Restore/Disaster Recovery
  • Maintain images and backups for the configuration data and operating systems of all network appliances that fall under his/her jurisdiction.
  • Institute risk management strategy by pre-planning solutions for unexpected failure scenarios.

 User Support

  • Serves as primary point of contact (POC) for any network related issues.
  • Coordinate network configuration changes with the System Administrator and DBA to reduce impact to other  sites and the end users.

Network Administrators perform software and hardware management on the  computer network, which includes controlling, planning, allocating, deploying, coordinating, and monitoring the resources of the  networks. Network administration tasks include but are not limited to: network planning, frequency allocation, predetermined traffic routing to support load balancing, cryptographic key distribution authorization, configuration management, fault management, security management, and performance management. Network Administrators require strong working knowledge of layer 2 and 3 networking along with production and administrative procedures for highly visible Information Technology (IT) enabled Activities.

 Skills & Knowledge Set

The Network Administrator requires a particular set of skills and knowledge to adequately perform network administration, including network security, protection, and availability. While some of these skills and knowledge set may already exist in the designated administrator, these skills are typically developed through a training curriculum or by OJT.

Tools & Applications

  • Virtual Private Network (VPN) Appliances
  • IPSec (Internet Protocol Security) Tunnels
  • Routers
  • Switches
  • Cable Plant
  • Encryptors
  • Keyboard Video Mouse (KVM) Switching

 Technical Skills

  • Wide Area Network (WAN)/Local Area Network (LAN) Infrastructure & Technology
  • Transmission Control Protocol/Internet Protocol (TCP/IP)
  • Network Topologies
  • Secure Socket Layer (SSL)/VPN
  • Network Switches
  • Firewalls
  • Unix
  • Intrusion Detection System (IDS)
  • IP
  • Experience in Layer 2 and 3 Networking.
  • Experience in both Windows and Unix/Linux systems administration and operating systems.
  • Experience with network routers, switches, taps and firewalls.
  • Demonstrated ability to analyze and prepare designs for networks in relation to intrusion detection systems.
  • Ability to build and work with Network modeling tools
  • Demonstrated experience with the management, design, and installation of servers, routers, switches, and network taps in a business environment.
  • Extensive troubleshooting experience with network hardware including but not limited to Juniper/Cisco switches, routers and Net Optics taps.
  • Demonstrated PC and networking skills, including NetMeeting, conferencing servers.
  • Working knowledge of reading blueprints and wiring server racks
  • Ability to multi-task and meet deadlines
  • Driven by quality customer service
  • Communicate effectively both in a written and verbal manner with management and subordinates
  • Coordinate local base communications and base firewall interface (INOSC, MCNOSC, etc.)

Desired Certifications

  • A+ Certification
  • Network+ Certification
  • Security+ CE Certification
  • Unix
  • Microsoft Certified Systems Engineer (MCSE)
  • Windows NT
  • X-Windows
  • Linux
  • Cisco Certified Network Associate (CCNA )
  • Cisco Certified Network Professional (CCNP)
  • JUNIPER JUNOS
  • OPNET IT GURU
  • General Dynamics Encryption Management System (GEMS)

Dependencies

The Network Administrator works with other administrators onsite and at other sites to provide and ensure complete oversight of the  databases, network, and system. The Network Administrator coordinates with the System Administrator and DBA in determining optimal time or period to perform network configuration changes. The Network Administrator assists the System Administrators in monitoring system performance by verifying traffic transmission occurs to and from the by the correct means with acceptable performance. The Network Administrator also will be proficient with the client processes and procedures and how they apply to a remote network campus. There will also be a clear understanding of Corporate Information Security (CIS) Information Assurance and Protection.

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