Network Administrator (Senior)

Full-Visbility; Winchester (VA); Hybrid; USD 100,000 - 145,000; Full time

Job summary

Full Visibility LLC in Winchester, VA is seeking a Senior Network Administrator to join a hybrid role. Must possess active Top Secret/SCI eligibility and be able to obtain CI polygraph eligibility.

Responsibilities include supporting, installing, maintaining LAN/WAN in a cybersecurity environment, email, telecom, and PC-based systems, and developing LAN security procedures; salary range $100k-$145k.

Qualifications

• Eight+ years of experience in network administration.
• Experience with government AWS SCS2 and C2S enclaves.
• Knowledge of LAN/WAN, email, and PC-based systems in security environments.
• Ability to implement LAN security procedures.

Responsibilities

• Support, install, maintain, and troubleshoot LAN/WAN in a cybersecurity setting.
• Support electronic mail, telecommunications, and PC-based systems.
• Evaluate hardware, software, and network peripherals.
• Establish and enforce network security policies and procedures.

Skills

Network Administration

Cybersecurity

LAN/WAN

Security procedures

Troubleshooting

Tools

AWS SCS2

C2S enclaves

Job description

Winchester, United States | Posted on 07/24/2026

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

FullVisibilityisseeking aNetworkAdministratorSenior levellocatedin Winchester, VA and is a Hybrid Role. Candidate must possessan active Top Secret/SCI Eligibility C learance. 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 andmaintainany 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; set tin g up and administer ing security procedures; troubleshoot ing problems; recommend ing and implement ing LAN policies and procedures and ensur ing adherence to security procedures; train ing users on LAN operations and procedures.

Requirements

• 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 coordin ateLocal Area Networks(LAN) and Wide Area Networks (WAN)within a cybersecurity environment.
  
• Support andmaintainelectronic mail, telecommunications, PC-based systems, and related software.
  
• Evaluate and supportnetwork hardware, software, peripherals, output devices, and telecommunications equipment.
  
• Establish, implement, and administernetwork security procedures and controls.
  
• Diagnose and troubleshootnetwork, hardware, software, and connectivity issues.
  
• Recommend, develop, and implementLAN policies, standards, and procedures.
  
• Ensure network operations and users adhere toestablishedcybersecurity and security procedures.
  
• Desiredexperienceworking 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 .

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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 andexpertisesupport 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 withdemonstratedexpertisein innovating and transforming our client environments in support of national security and law enforcement. Headquartered in Tysons, VA – with locations in Chantilly, VA, Quantico, VA, and Huntsville, AL – we have specialized experience supporting sensitive missions and an understanding of the niche skillsets required to overcome challenges in these environments. Our clientsbenefitfrom an enthusiastic and reliable team of talent with high employee morale and retention based on our FULL EMPLOYEE approach where each employee’s professional and personal well-being is considered. Our focus on employee development, success, and morale isdemonstratedby our consecutive top ranking as the Best Place to Work by the Washington Business Journal as a thirteen-time honoree. Full Visibility has also been included on the Inc. 5000 Fastest-Growing Private Companies in America list eight times since 2014.

Full Visibility currently has over 20 active contracts with 100 billable staff supporting 21 clients in the Intelligence and Law Enforcement communities. As part of our commitment to partnerships, we are teammates with 13 prime contract holders. Additionally, Full Visibility holds contracts on several vehicles, such as GSA Multiple Award Schedule (MAS), DISA SETI, DIA SITE III, HCaTS , as well as several classified vehicles. Our portfolio includes experience serving the Department of Defense, Department of Homeland Security, Department of Justice, and Department of Veterans Affairs, as well as commercial clients.

Full Visibility LLC is an Equal Opportunity Employer and does not discriminate on the basis of race or ethnicity, religion, sex, national origin, age, veteran status, disability or genetic information or any other reason prohibited by law in employment.