×
Register Here to Apply for Jobs or Post Jobs. X

Systems Administrator

Job in Washington, District of Columbia, 20022, USA
Listing for: VTG Defense
Full Time position
Listed on 2026-07-13
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Administrator, Network Security
Salary/Wage Range or Industry Benchmark: 110000 - 150000 USD Yearly USD 110000.00 150000.00 YEAR
Job Description & How to Apply Below

Overview

The System Administrator will be responsible for the installation, configuration, maintenance, and management of the Secure Internet Protocol Router Network (SIPRNet) systems and infrastructure. This role requires an individual with a strong background in network security, system administration, network component configuration and the specific protocols and security measures associated with SIPRNet.

This role is 100% onsite at our corporate office in Washington, DC. We offer commuter benefits to assist with parking or public transportation.

What will you do?
  • Install, configure, and maintain SIPRNet hardware and software.
  • Monitor system performance and troubleshoot issues to ensure the integrity and availability of SIPRNet systems.
  • Implement and enforce security protocols and measures to safeguard SIPRNet operations.
  • Manage user access and permissions in accordance with security policies.
  • Conduct regular system audits and security assessments.
  • Maintain and update system documentation and network diagrams.
  • Collaborate with other IT, IA, and security teams to support overall network security.
  • Stay updated on the latest security threats and implement proactive measures to protect SIPRNet infrastructure.
  • Provide technical support and training to users as needed.
  • Ensure compliance with all relevant regulations and policies.
Do you have what it takes?
  • Bachelor's degree in computer science, Information Technology, or a related field and three to five years of classified network administration.
  • Must be a US Citizen
  • Ability to perform risk assessments and implement appropriate security measures.
  • Security+ or other relevant certifications are highly desirable.
  • Experience with virtualization technologies (e.g., VMware, Hyper‑V).
  • Familiarity with Linux and Windows operating systems.
  • Experience with backup and disaster recovery solutions.
  • Experience with Cisco and Palo Alto switches and firewalls.
  • Active Final Secret Security Clearance
  • Excellent problem‑solving skills and attention to detail.
  • Strong communication and interpersonal skills.
Preferred Skills
  • Experience in system administration, with a focus on network security.
  • Knowledge of SIPRNet and associated protocols.
  • Experience with network and system security best practices.
  • Proficiency in configuring and managing routers, switches, firewalls, and other network devices.
  • Strong understanding of security protocols, encryption technologies, and intrusion detection/prevention systems.
  • Experience with endpoint protection tools such as Splunk, ACAS, Trellix, etc.
  • Familiarity with Linux and Windows operating systems.
#J-18808-Ljbffr
To View & Apply for jobs on this site that accept applications from your location or country, tap the button below to make a Search.
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)
0
200
Filters
Education Level
Experience Level (years)
Posted in last:
Salary