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Sr. System Administrator

Reflexive Concepts
United Statesfull_timeVerifiedPosted 20 Jun 2025

About the role

<strong>Reflexive Concepts is seeking a Senior System Administrator to join our team! </strong><br />
Specifically, we're looking for a collaborative member of a small and mostly autonomous team, this position directly supports secure enclave development networks.<br />
<br />
<strong>Core Tasks: </strong>
<ul>
<li>Conduct functional and connectivity testing to ensure continuing operability.</li>
<li>Develop and document systems administration standard operating procedures.</li>
<li>Maintain baseline system security according to organizational policies.</li>
<li>Manage accounts, network rights, and access to systems and equipment.</li>
<li>Plan, execute, and verify data redundancy and system recovery procedures.</li>
<li>Install, update, and troubleshoot systems and servers.</li>
<li>Comply with organization systems administration standard operating procedures.</li>
<li>Implement and enforce local network usage policies and procedures.</li>
<li>Manage system and server resources including performance, capacity, availability, serviceability, and recoverability.</li>
<li>Monitor and maintain system and server configurations.</li>
<li>Perform repairs on faulty system and server hardware.</li>
<li>Troubleshoot hardware/software interface and interoperability problems.</li>
</ul>
<strong>Requirements: </strong>

<ul>
<li>Bachelor’s degree in a technical discipline and 15 years’ experience as a System Administrator
<ul>
<li>OR High school diploma and 20 years’ experience as a System Administrator</li>
</ul>
</li>
<li>Experience with Windows Sever Administration, Active Directory, and Group Policy</li>
<li>Familiarity with Linux Server Administration</li>
<li>Familiarity with Broadcom VMware/ESXi, Broadcom VMWare Virtual Networking, and</li>
<li>Broadcom VMware vCenter</li>
<li>Networking Switching and Router Management</li>
<li>Storage Management (NetApp)</li>
<li>Hardware and Operating System troubleshooting</li>
<li>System hardening</li>
<li>Security Compliance Scanning (Nessus, ACAS)</li>
<li>Understanding of project design within the scope of security (RMF) requirements</li>
<li>Active DoD IAT Level II certification (Security+ )</li>
<li>Ability to demonstrate cyber/IT related experience with attention to detail, customer service, oral and written communication, and problem solving.</li>
</ul>

<div><strong>Preferred:</strong>

<ul>
<li>Experience leading the implementation and support of Broadcom VMware virtualized systems and infrastructure</li>
<li><u>PowerCLI</u></li>
<li>Broadcom VMware Aria Suite, formerly called vRealize Suite</li>
<li>Broadcom VMware Cloud Foundation (VCF)</li>
<li>Broadcom VMware Certified Professional or other relevant VMware certification.</li>
</ul>
</div>

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Company

Reflexive Concepts

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