Remote Systems Administrator; Linux & Windows

Systems Administrator (Linux/Microsoft)

Victor 12 is hiring a Systems Administrator (Linux/Microsoft) to support an ongoing prime contract with the Veterans Benefits Administration (VBA) based in Orlando, Florida. This position is a remote/work‑from‑home opportunity and requires the ability to work East Coast hours between approximately 7:30–9 AM ET and approximately 4–5:30 PM ET.

The Systems Administrator works closely with the Program Manager and Lead Integrator to maintain current installations and administration of Windows Internet Information Services (IIS), Microsoft Structured Query Language (SQL), SharePoint On Premise, and Linux RHEL9 environment servers, along with a family of cloud‑based applications and databases on hosted servers. The Systems Administrator is responsible for upgrading servers, operating systems (OSs), SQL, and SharePoint to newer versions, and managing server operations including hardware, OS, utilities, configuration, patch management, and availability, excluding COTS/GOTS applications.

• Work with vendors to install, customize, and test hardware and software; deploy application changes to servers.
• Collect and report performance diagnostics; provide solution options for performance issues.
• Perform server log maintenance and reviews; develop and implement backup strategies based on customer review and approval.
• Install, configure, and maintain Active Directory servers, users, and groups.
• Provide recommendations for software and hardware purchases and configurations to maintain server and network currency, meet requirements, and maintain NIST RMF Authority to Operate (ATO).
• Provide documentation and evidence support for NIST RMF continuous monitoring.
• Address Nessus findings in a timely manner.
• Create and maintain administrator support documentation.
• Maintain current and accurate inventory documentation of all server hardware and software Government Furnished Equipment (GFE).
• Track service requests received via email, phone, or in‑person support; prioritize, track, analyze, and generate reports on service requests.
• Provide end‑user support; troubleshoot and diagnose problems related to network or server issues.
• Maintain user accounts in applications.
• Coordinate updates and other technical activities for developers and supported users.
• Maintain server and network infrastructure in compliance with policies such as NIST, FISMA, and SOX.
• Establish secure File Transfer Protocol (FTP) for developers.

• Bachelor’s degree plus 6 years of related experience in Windows and Linux clustered server operations.
• Server setup and installation skills, and server configuration and management in a load‑balanced environment and highly available virtual machines.
• Strong understanding of and recent experience with networking fundamentals (DNS, load balancing, firewalls).
• Experience with virtualization platforms (VMware, Hyper‑V).
• Experience with NIST RMF compliance with Moderate or above profiles.
• Current experience with configuring audit trail collection and reporting tools.
• Administration experience with Apache, LAMP, PHP environments, Linux RHEL
  8.x/9.x, Windows Server 2019+, Microsoft SQL Server 2019+, and Microsoft SharePoint Server 2016+.
• Current experience with Microsoft Excel pivot tables, functions, and macros.
• Experience with responding to Nessus Tenable reports.
• AWS, Azure, or Google Cloud administration experience.
• Strong written and verbal communication skills with a solid grasp of English.
• Ability to work collaboratively with others and independently with minimal supervision.
• Background investigation, including FBI fingerprint check, and identity‑proofed identification through authentication of two forms of government‑issued identification.
• Authorization to work for any employer in the United States;
  Victor 12 is unable to sponsor employment visas.

• Active security certifications such as Security+, Network+, CCNA, CAP, CASP, or SANS security certification.
• Scripting experience with OS scripting languages (Microsoft Power Shell).
• Help desk experience, including user support and customer service, for IIS, networks, and platforms.
• E…