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  Principal Engineer Network Security
Employer: Upgrade Membership Job Posted: 9/9/2019
Location: Northeast Region Job Status: Full Time
Experience Level: TBD  

Job Description:


The Principal Network Security Engineer will play a critical role in the development and management of CBS's global information security, supporting the day-to-day operations of firewalls, proxies, intrusion detection/prevention and other security applications/appliances.

  • Manage Palo Alto firewalls both locally and globally.
  • Manage Linux based firewall and VPN rules using iptables, web and email security appliances, and VPN appliances
  • Maintain security-related scripts
  • Assist in troubleshooting problems for security systems, assist other teams in troubleshooting
  • Stay abreast of current security trends and research and test new security tools
  • Analyze logs to improve system and network performance, isolate and detect failures, and identify malicious activity
  • Implement solutions to optimize operations; rapidly respond to failure or degradation of service, and, service/system instability
  • Assist in maturing network security engineering and maintenance practices
  • Assist in troubleshooting problems for security systems, assist other teams in troubleshooting
  • Provide an engineering perspective in solution, system, network, and process design and implementation




  • 5 years Palo Alto administration experience
  • 5+ years Linux systems administration experience
  • Command line iptables experience
  • Scripting experience (esp. bash and Perl)
  • Working knowledge of Windows and Mac systems
  • Possess excellent troubleshooting, problem solving, and verbal/written communication skills
  • Ability to maintain solid relationships with colleagues and clients
  • Ability to work independently and as part of a team
  • Experience with network sniffers (tcpdump, wireshark, ngrep) and other security tools (nessus, snort, etc) a plus
  • Working knowledge of the OSI model, dynamic routing protocols (esp. OSPF and BGP), and subnetting, including CIDR notation a plus
  • Experience in commercial security systems, such as Cisco, Juniper, F5, Sourcefire, a plus
  • Undergraduate degree in a related field or equivalent experience.
  • Preferred:
  • Security certifications such CISSP, GIAC a plus


Equal Opportunity Employer Minorities/Women/Veterans/Disabled



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