14 days old

Network Security Engineer

Irvine, CA 92602
  • Job Code

Senior Network Security Engineer to work on a security assessment contract with a California government agency. CCIE certification is a huge plus, an need to have a strong understanding of the OSI model through a security lens.

Responsibilities will include:

  • Capture network traffic to analyze inefficiencies.
  • Evaluate the existing IP addressing scheme, IP traffic routing and route prioritization, and DNS/DHCP configuration. Recommend modifications to improve efficiency and reduce operational issues.
  • Evaluate the physical and logical network architecture, including network topology, equipment used, circuits used, wireless architecture and equipment configurations. Recommend modifications to improve network performance and stability.
  • Develop recommendations and a documented plan for creating a redundant and resilient network architecture, design and configuration.
  • Analyze network architecture and traffic as they relate to Quality of Services (QoS). Determine whether the agency should modify its current QoS configuration to ensure that voice and video quality are maintained.
  • If appropriate, provide QoS design and implementation recommendations.
  • Perform vulnerability assessments and penetration tests of systems on the external and internal networks and in the DMZ.
  • Perform vulnerability assessments and penetration tests of wireless networks.
  • Assess current network security measures, including, but not limited to, firewalls, routers, switches, and anti-virus, -malware and -SPAM solutions.


  • CCIE certification big plus.
  • 5-7 years' experience, including specific experience in IT security.
  • Strong understanding of the OSI model from a security perspective
  • Cisco Networks experience
  • Strong understanding of Network Architecture .
  • Ability to work on site in Irvine, California, during the anticipated period of performance
  • Strong oral and written communication skills.
  • Ability to communicate effectively with client stakeholders and technical personnel.


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Network Security Engineer

Randstad Technologies
Irvine, CA 92602

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Randstad Technologies
Irvine, CA

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