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Systems Administrator - Virtualization (Intermediate)

Agile Defense

Listing collected from Agile Defense's career site. NextChapter is independent of Agile Defense.

Fort Huachuca, AZ · $70k–$74k a year · Posted November 9, 2026

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This listing pays about $72,000 a year. Across 57 open systems administrator listings that state pay, the middle half runs $81,500 to $117,500 and the median is $100,000. That is 28% below the median, below the middle half of those listings.

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Among database administrators, AI is already used for a large share of the tasks. Measured exposure for database administrators: 33% (high).

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  • Agile

About the job

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 #: 1999 Job Title: Systems Administrator - Intermediate (Virtualization) Location: Fort Huachuca, AZ, Onsite Clearance Level: Secret, must Have Clearance to Start Required Certification(s):DoW 8140 Compliance – CompTIA Security+ or Cloud+, GICSP, GSEC, Systems Security Certified Practitioner and ability to obtain VCF - Architect certification in 90 days

Essential Duties

The Systems Administrator - Virtualization Intermediate roles are responsible for maintaining and optimizing the virtual infrastructure that supports the mission-critical operations of the GCC. You will administer, develop, test, implement, and maintain the virtual operating environment and its related software. This role involves establishing standards between hardware and software, troubleshooting complex systems and networking problems, and recommending upgrades based on performance data. Your work will directly impact the stability, security, and efficiency of our virtualized systems. This position differs from an Operating Systems Programmer as it does not involve altering the operating system's software code.

Design and Implementation:

Design, deploy, and maintain VMware ESXi hosts, vCenter Server, and virtual machines across multiple sites.

Collaborate with IT teams to design and implement integrated infrastructure solutions that align with command requirements.

Implement and manage VMware networking components, including distributed switches and VLANs.

Schedule, plan, and perform system upgrades, coordinating the transition from test to production environments.

System Maintenance and Troubleshooting:

Monitor and optimize virtual infrastructure performance, resource utilization, and system availability.

Troubleshoot and resolve complex issues related to VMware technologies, including performance bottlenecks and connectivity problems, to ensure minimal downtime.

Collaborate with vendors and third-party providers for advanced troubleshooting and issue resolution.

Provide technical support for system users.

Security and Recovery:

Implement and manage comprehensive backup and disaster recovery solutions for virtual machines and infrastructure components.

Ensure the virtual environment is compliant with DoD security policies, regulations, and best practices by implementing and maintaining STIGs.

Support projects aimed at enhancing the security, efficiency, or capability of the virtualized environment.

Documentation and Mentorship:

Develop and maintain clear, detailed documentation for virtualization architecture, configurations, and procedures.

Evaluate and recommend new VMware technologies and solutions to enhance system performance and efficiency. Mentor junior administrators to enhance the team's overall expertise in virtualization technologies.

Qualifications

Bachelors in Computer Science, Cybersecurity, Data Science, Information Systems, Information Technology, Software Engineering

2+ years of experience, or equivalent relevant work experience; e.g., each year of work experience may be substituted for each year of education required.

Experience in the administration and maintenance of software infrastructures and applications.

DoW 8140 Compliance – CompTIA Security+ or Cloud+, GICSP, GSEC, Systems Security Certified Practitioner and ability to obtain VCF - Architect certification in 90 days

Active DoD Secret Clearance

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