← All roles

Principal Cisco Engineer III - Top Secret Clearance Required

Agile Defense· Digital Transformation – Engineering
Apply on company site
Hybrid (Pocatello, ID)$114k - $125kRegularPosted 4d ago

About the role

Principal Network Engineer with Top Secret clearance, responsible for design, deployment, testing, certification, patching, and troubleshooting of data center networking and related technologies in a hybrid environment (Pocatello, ID).

Responsibilities

  • Design, implement, and provide ongoing support for networking infrastructure within and between data centers.
  • Serve as an advanced subject matter expert for all data center network environments.
  • Create and maintain network infrastructure for both bare‑metal and virtual machines, including LAN, WAN, VLAN, SDN, firewall, and load balancer configurations using OEM and third‑party tools such as NSX.
  • Provision and configure required networking for servers, applications, and cloud services.
  • Evaluate, improve, and maintain information security across the data center network infrastructure.
  • Monitor, diagnose, and correct network issues; develop recovery processes for failures and performance bottlenecks.
  • Provide real‑time alerts and implement proactive remediation, including redesigns or technology refreshes.
  • Install, configure, test, and maintain system management tools for all network components.
  • Ensure the highest levels of network availability, performance, redundancy, and resilience.
  • Monitor and test application performance; identify bottlenecks and collaborate with developers on solutions.
  • Maintain comprehensive security, backup, and redundancy strategies.
  • Develop and maintain automation scripts to improve operational efficiency, including automated provisioning of addresses and VLANs for IaaS.
  • Participate in the design of information and operational support systems.
  • Provide final tier support for complex network issues.
  • Liaise with vendors and IT personnel for troubleshooting, upgrades, and solution design.
  • Generate real‑time dashboards and reporting on network performance, availability, trends, and resource utilization.
  • Maintain accurate and up‑to‑date technical documentation, including inventory, patch levels, system configurations, access controls, and credentials.
  • Continually transition knowledge to government staff through training and best‑practice guidance.

Qualifications

  • Bachelor's degree
  • 6 years of relevant experience
  • Bachelor’s degree preferred but one year of experience may be substituted for each year of education.

Skills

Required:Active Top-Secret clearance with SCI eligibility and CI PolygraphCisco CCNA
Nice to have:Cisco ACINSO (Network Services Orchestrator)MSO (Multi-Site Orchestrator)

Benefits

  • Health Insurance
  • Life Insurance
  • Paid Time Off
  • Holiday Pay
  • short-term and long-term Disability
  • Retirement
  • Learning and Development opportunities
Last updated Oct 21, 2026. Interested? Apply on the company site.

About Agile Defense

Always Evolving

Agile Defense delivers advanced capabilities and solutions tailored to the most critical national security and civilian missions.

national securitycivilian missionsinnovationcapabilitiessolutions
Company profileWebsite

More open roles at Agile Defense