Agile Defense22d ago

Principal Network Engineer III

United States·HuntsvilleRegularlead

Network EngineerInfrastructure & Cloud

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Quick Summary

Overview

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.

Technical Tools

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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.

Responsibilities

~2 min read

→Serve as the advanced matter expert for all data center network environments.

→Create and maintain network infrastructure for both bare-metal and virtual machines with the appropriate LAN, WAN, vLAN, SDN, firewall and load balancer configurations, using both OEM and third-party tools that include virtual network tools (NSX) and services.

→Provision/configure the required networking for servers and applications.

→Evaluate, improve, and maintain the information security throughout the data center network infrastructure.

→Monitor and correct critical network issues and create recovery processes for failures and performance bottlenecks. Provide real time alerts for network problem issues and implement proactive solutions for future problems to include re-design or tech refresh.

→Install, configure, test, and maintain system management tools for all data center network components.

→Proactively ensure the highest levels of systems and infrastructure availability.

→Monitor and test application performance for potential bottlenecks, identify possible solutions, and work with developers to implement those fixes.

→Maintain security, backup, and redundancy strategies.

→Write and maintain custom scripts to increase system efficiency and lower the human intervention time on any tasks, such as automated provisioning of addresses and VLANS with Infrastructure as a Service (IaaS).

→Participate in the design of information and operational support systems, provide 4th level support, and liaise with vendors and other IT personnel for problem resolution.

→Ensure technical documentation exists for all systems and is kept up to date to include inventory and patch levels of all systems to include hostnames, property numbers, IP addresses, enclave, number of cores, number of processors, admin passwords, certificates, and service accounts on a monthly interval.

→Provide real time alerts and dashboard information on network performance and availability.

→Document system configurations to include passwords, access controls, version number, and revision numbers, patch levels, and inventory to include hostnames, TCP/IP addresses, number of processors, and number of cores, memory, and license keys.

→Continually transition knowledge to the government staff through training and assistance on how to use the technology using industry best practices.

→Provide real-time reporting of provisioned and non-provisioned resources such as bandwidth utilized to include performance metrics for availability, performance, and trends.

Current TS/SCI Clearance with the capability of obtaining CI Polygraph to meet contract requirements.

Cisco CCNA with Cisco CCNP or similar preferred

 Minimum six (6) years of experience with designing, implementation, and ongoing support of the network infrastructure within and between data centers.

6 years and more

Bachelor's degree preferred

Cisco ACI experience preferred

Environmental Conditions – Office & Datacenter

Strength Demands – Occasionally lift 50+lbs in teams

Physical Requirements – Sit, Stand.

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

Location & Eligibility

Where is the job

Huntsville, United States

On-site at the office

Who can apply

Listing Details

Posted: May 7, 2026
First seen: May 7, 2026
Last seen: May 30, 2026

Posting Health

Days active: 22
Repost count: 0
Trust Level: 31%
Scored at: May 30, 2026

Signal breakdown

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Agile Defense

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Agile Defense: Always Evolving. Agile Defense stands at the forefront of innovation, driving advanced capabilities and solutions tailored to the most critical national security and civilian missions.

Employees

3k+

Founded

1998

Domain

Jobs

External application · ~5 min on Agile Defense's site

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