CyberCore Technologies

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System Administrator/ Network Engineer 2

at CyberCore Technologies

Posted: 9/14/2017
Job Reference #: 6746
Keywords:

Job Description

Location:
Annapolis Junction, MD

Job Code:
AMB-90-025

# of openings:
1

ALL CANDIDATES MUST HAVE AN ACTIVE TS/SCI WITH A POLYGRAPH CLEARANCE!

Network Engineer Responsibilities:

  • Configure and troubleshoot Cisco catalyst switches (Spanning Tree, Port Security, VTP, Ether channels, VLANs)
  • Configure/Troubleshoot Cisco ASA firewalls
  • Configure and maintain Cisco AnyConnect VPN
  • Configure and troubleshoot BIND, DHCP, and DNS servers
  • Configure and troubleshoot HTTP / SSL / TLS based issues
  • Troubleshoot ACL/NAT issue on ASAs
  • Monitor system performance and implements performance tuning
  • Use of Linux network troubleshooting tools to solve complex network issues (tcpdump, ssldump, curl, wget, mtr, tcp traceroute, nmap, openssl, tshark)
  • Develop bash and/or python scripts, utilities and tools used for network troubleshooting
  • Troubleshoot various DNS, SMTP, and IP routing, latency, and connectivity issues
  • Implement TCP/IP & related services-DHCP/DNS
  • Install/Upgrade Cisco Switches and Firewalls (ASA) IOS using TFTP
  • Implement SSH/RADIUS authentication on Cisco Hardware
  • Troubleshoot network problems using Protocol Analyzers
  • Maintain all LAN/WAN connectivity
  • Document network problems and resolution for future reference
  • Oversee software and network security

System Administration Responsibilities:

  • Build physical and virtual servers (VMware/Openstack)
  • Installation, configuration and update applications such as Apache Tomcat, Apache HTTP Server and PostGres
  • Administration of Linux/Windows physical/virtual servers across multiple environments
  • Custom automation of administrative and maintenance tasks using shell scripts
  • Monitor (Nagios) and troubleshoot hosts and services over several enclaves
  • Security scanning and mitigation