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Company

Valiant Solutions, LLC · 5 hours ago

Network Security Engineer

United States

Full-time

Remote

Mid, Senior Level

5+ years exp

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Cyber SecurityInformation Technology

Comp. & Benefits

No H1B

Security Clearance Required

Hiring Manager

James Mobley

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Responsibilities

Participating in a rotating on-call; rotation is based on the number of team member

Administration/management of BlueCat DDI infrastructure

Firewall changes on Cisco Firepower/ASA and PaloAlto firewalls

Linux server OS maintenance and administration

Work with multiple teams to t-shoot complex issues related to DHCP and DNS (ipv4 and IPv6), and firewalls

Keep detailed records of customer interaction and problem resolution in a ticketing system

Troubleshoot complex connectivity issues involving multiple firewalls, IPS and load balancer, and VPN devices

Provide support for internal and external customers in a large enterprise environment.

Troubleshoot a range of IT security and connectivity issues

Support other team members in troubleshooting and project efforts

Manage hardware and software inventories

Works with remote teams to install, maintain, and troubleshoot security hardware

Ensure customers receive top-of-the-line support in a polite and courteous manner

Develop standard operating procedures and network topology documentation

Qualification

Find out how your skills align with this job's requirements. If anything seems off, you can easily click on the tags to select or unselect skills to reflect your actual expertise.

BlueCat DDIDNSDHCPIPv4IPv6Routing & SwitchingTCP/IPIP subnettingCisco FirepowerCisco ASAPalo Alto firewallsDNS troubleshootingLinux OSDnsDistDoHSecurity Onion IDSElastic Security

Required

5+ years of related Information Technology experience

Bachelor's degree in Computer Science, Information Systems, Mathematics, Engineering, or related degree or an additional two (2) years of relevant experience.

2+ years of experience in BlueCat DDI (DNS, DHCP, and IP management) administration

5+ years of solid Networking experience (Routing & Switching). The successful candidate will be experienced with troubleshooting networking, DNS, and firewall issues and must be experienced with TCP/IP and IP subnetting

5+ years of experience working in IPv4/IPv6 dual-stacked environments with multi-context Cisco Firepower, Cisco ASA or Palo Alto firewalls. This experience must include firewall configuration changes in a high availability environment, and the candidate must understand fundamentally how these devices work

Must have Solid hands-on DNS experience. Able to troubleshoot DNS issues related to zone transfer, DNSSEC, etc

Strong IPv6 networking and troubleshooting experience

The successful candidate will also have experience troubleshooting complex issues involving multiple security devices with the devices themselves and connectivity running through them using both GUI and command line tools

The successful candidate will be experienced working in a mid to large environment and will be able to work with minimal direction

Hands-on Linux OS experience

Must be able to obtain and maintain a Public Trust security clearance