Principal Cisco Engineer III - Top Secret Clearance Required

Job Description

Job Description

About Agile Defense

At Agile Defense we know that action defines the outcome and new challenges require new solutions. That’s why we always look to the future and embrace change with an unmovable spirit and the courage to build for what comes next.

Our vision is to bring adaptive innovation to support our nation's most important missions through the seamless integration of advanced technologies, elite minds, and unparalleled agility—leveraging a foundation of speed, flexibility, and ingenuity to strengthen and protect our nation’s vital interests.

Requisition #: 1912

Job Title: Principal Network Engineer III

Location: Hybrid, four days per week in Pocatello, ID

Clearance Level: Top Secret Clearance Required with SCI Eligibility and ability to obtain and maintain a CI Polygraph

Required Certification(s): Cisco CCNA within six months of starting role

The Network Engineer will be responsible for the design, deployment, testing, certification, patching, and troubleshooting of all network features, components, interoperability and application dependencies across data center environments. This includes switches, firewalls, load balancers, software-defined networking, and private cloud infrastructure. This position is onsite in Pocatello, ID, and requires an active Top Secret clearance at the time of application.

We are seeking an Enterprise-level Network Engineer with six or more years of experience.  The successful candidate will have or be able to obtain a CCNA, with strong preference for experience in Cisco ACI, NSO, and other advanced Cisco data center technologies.

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.

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

• Active and current Top-Secret clearance required with SCI eligibility and ability to obtain and maintain a CI Polygraph
• Ability to pass and maintain a CI Polygraph during employment
• Cisco CCNA passed withing 6-months of start date

• CCNP or DevNet Associate certificate
• Cisco ACI experience
• Multi‑Site Orchestrator (MSO) experience
• Network Assurance Engine (NAE) experience
• Network Services Orchestrator (NSO) experience
• Nexus Insights experience
• Digital Network Architecture Center (DNAC) experience

In addition, Agile Defense invests in its employees beyond just compensation.  Agile’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Learning and Development opportunities as well as other optional benefit elections.

Our Core Values

Employees of Agile Defense are our number one priority, and the importance we place on our culture here is fundamental. Our culture is alive and evolving, but it always stays true to its roots. Here, you are valued as a family member, and we believe that we can accomplish great things together. Agile Defense has been highly successful in the past few years due to our employees and the culture we create together. 

What makes us Agile? We call it the 6Hs, the values that define our culture and guide everything we do. Together, these values infuse vibrancy, integrity, and a tireless work ethic into advancing the most important national security and critical civilian missions. It's how we show up every day. It's who we are.

• Happy - Be Infectious. Happiness multiplies and creates a positive and connected environment where motivation and satisfaction have an outsized effect on everything we do.
• Helpful - Be Supportive. Being helpful is the foundation of teamwork, resulting in a supportive atmosphere where collaboration flourishes, and collective success is celebrated.
• Honest - Be Trustworthy. Honesty serves as our compass, ensuring transparent communication and ethical conduct, essential to who we are and the complex domains we support.
• Humble - Be Grounded. Success is not achieved alone, humility ensures a culture of mutual respect, encouraging open communication, and a willingness to learn from one another and take on any task.
• Hungry - Be Eager. Our hunger for excellence drives an insatiable appetite for innovation and continuous improvement, propelling us forward in the face of new and unprecedented challenges.
• Hustle - Be Driven. Hustle is reflected in our relentless work ethic, where we are each committed to going above and beyond to advance the mission and achieve success.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.