Network Administrator; Senior Security Clearance

Position: Network Administrator (Senior) with Security Clearance
Full Visibility LLC | Full time Network Administrator (Senior) Winchester, United States | Posted on 07/24/2026 I'm interested Share this job with your network * * * * *
* * Job listing
* Job details Job Information
* Industry IT Services
* Date Opened 07/24/2026
* Job Type Full time
* City Winchester
* State/Province Virginia
* Country United States
* Zip/Postal Code 22601 About Us Full Visibility LLC is a federally certified Small Business that delivers innovative technical solutions to address the nation’s most critical and sensitive missions. Founded in 2006, our extensive technical capabilities and expertise support federal and state government agencies with over 100 cleared technical experts specializing in mission solution areas of Digital, AI & Analytics, Cyber, and Engineering.

With offices in the National Capital Region, Quantico, VA, and Huntsville, AL -- we deliver critical technical solutions to various federal government agencies and departments.  

Job Description Full Visibility is seeking a Network Administrator Senior level located in Winchester, VA and is a Hybrid Role. Candidate must possess an active Top Secret/SCI Eligibility Clearance. Individuals selected for this position will be subject to Counterintelligence (CI) Polygraph examinations based on their assignment after their start date and must be able to obtain and maintain any required CI Polygraph eligibility throughout the duration of their employment.  

Full Visibility is seeking a Network Administrator Senior with a minimum of eight (8) years of professional experience in Network Administration to join our growing team. The ideal candidate will be responsible for supporting, installing, maintaining, troubleshooting, and coordinating the usage of local and wide area networks (LAN and WAN), electronic mail, telecommunications, and PC based systems and related software within a cybersecurity environment;

evaluating hardware and software, including peripheral, output, and telecommunications equipment; setting up and administering security procedures; troubleshooting problems; recommending and implementing LAN policies and procedures and ensuring adherence to security procedures; training users on LAN operations and procedures.  Requirements
* Active TS/SCI Eligibility
* Minimum of eight (8) years of experience in Network Administration.
* Minimum of three (3) years of experience working with government AWS SCS2 and C2S enclaves.
* Support, install, maintain, troubleshoot, and coordinate Local Area Networks (LAN) and Wide Area Networks (WAN) within a cybersecurity environment.  
* Support and maintain electronic mail, telecommunications, PC-based systems, and related software.
* Evaluate and support network hardware, software, peripherals, output devices, and telecommunications equipment.
* Establish, implement, and administer network security procedures and controls.  
* Diagnose and troubleshoot network, hardware, software, and connectivity issues.
* Recommend, develop, and implement LAN policies, standards, and procedures.
* Ensure network operations and users adhere to established cybersecurity and security procedures.
* Desired experience working with Secret Cloud on Premise (SCOP)
Excellent analytical, problem-solving, and communication skills. This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: local market conditions, and candidate qualifications, such as skills, education, and experience. A reasonable salary range for this position is $100-145k.
#CJ Benefits About Full Visibility  Full Visibility LLC is a federally certified Small Business that delivers innovative technical solutions to address the nation’s most critical and sensitive missions. Founded in 2006, our extensive technical capabilities and expertise support federal and state government agencies with over 100 cleared technical experts specializing in mission solution areas of Digital, AI & Analytics, Cyber, and Engineering.  

Our technologists are recognized as industry leaders with demonstrated expertise in innovating and transforming our client…