Network Security Engineer, Lead
On-site · Sierra Vista, Arizona, United States
Job Summary
Network Security Engineer, Lead at Telos Corporation based in Sierra Vista, AZ. Responsibilities include operating and maintaining secure network solutions for the US Army AGUN program, supporting 24x7x365 operations and workflow automation, managing tickets and updates via Jira Service Desk and GCC Service Now, coordinating with stakeholders, and providing Tier III support for the global Army network. Requires a Bachelor’s degree with 8+ years of experience or a Master’s with 6+ years, DoD IAT Level II (Security+) certification, and hands-on work with Palo Alto NGFW, SDN concepts, virtualization (VMware), Red Hat, and InfoVista, plus proficiency with multiple enterprise network technologies and ticketing/tools. Travel: None. Location: Sierra Vista, AZ (on-site). Strong collaboration, communication, and problem-solving skills expected.
Required Qualifications
- Bachelor's degree + 8+ years' experience OR Master's degree + 6+ years' experience
- Active DoD IAT Level II (Security+) certification or equivalent
- Experience with Palo Alto NGFW
- Knowledge of Software Defined Networking (SDN) concepts
- Experience with virtualization technologies (VMware)
- Experience with Red Hat
- Experience with InfoVista
- Experience with two or more of these vendors: Cisco, Juniper, Palo Alto, Dell, AppGate
- Experience using ServiceNow
- Networking concepts and protocols (LAN, WAN, BGP, TCP/UDP, IPSec, VPN, Routing L2/L3, Firewalls)
- Experience with enterprise network management tools (Palo Alto Panorama, Cisco Prime, Cisco DNA, Junos Space)
- Experience with SFTP, SSH, SCP, SNMP, NTP
- Ability to work as part of a team to lead troubleshooting and resolve complex network issues
- Excellent written and verbal communication skills
- Preferred: CCNP or equivalent
- Preferred: Linux shell scripting
- Preferred: GitLab, CI/CD, JIRA/Confluence
- Preferred: NetSecOps tools (salt, git, Ansible, Terraform, Puppet)
- Preferred: Network Performance Monitoring tools (SNMP, NETMON, LiveAction)
- Preferred: experience with NetFlow, Elastic, Kafka, Grafana, Prometheus, Nexus Repository
- Expert knowledge of US Army security requirements for network infrastructure
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