Systems Administrator
VTG Defense
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 VTG Defense
$150k - $185k
...application due to a disability, contact this employer to ask for an accommodation or an alternative application process. IT Systems Administrator – Applications and Operations Washington, DC, US 5 days ago Requisition ID: 2351 Salary Range: $150,000.00 To $185,000.00...SuggestedFull timeTemporary workWork at officeRemote workOverseasMonday to FridayFlexible hoursShift work$55k - $59k
...companies to advance their critical missions and modernize their systems, so that they can uphold their commitment to the American... ...Description Tria Federal is seeking a skilled and motivated IT Systems Administrator to join a collaborative and dynamic IT team. To be successful...SuggestedWork at officeRemote work$55k - $125k
...you. Come work with us, and let’s redefine the future together. About the Job We are hiring for multiple roles! As a Senior Systems Administrator, you will support our senior infrastructure team in ensuring that the internal IT structure of the enterprise remains up-to-...SuggestedLive inWork at office- ...A growing security software company is seeking a System Administrator to lead endpoint and SaaS platform support and management across a hybrid workforce. This is a hands‑on technical role with direct responsibility for provisioning, securing, and maintaining the systems...SuggestedWork at office
- ...TMB has an exciting opportunity for a Systems Administrator (IT Specialist) to provide contractor support to the Team Ship Front Office within the PAE Maritime Organization. This role supports Navy ship acquisition programs by ensuring secure, reliable, and compliant IT...SuggestedTemporary workFor contractorsWork at officeFlexible hours
- ...violation of federal law and subject to criminal prosecution. All clearances will be verified before any offer is extended. The Systems Administrator, Mid administers enterprise systems hosting applications and services that support mission‑critical operations, balancing...
$90k - $105k
...service support, ensuring that issues are promptly resolved and systems operate smoothly. Requires hands‑on expertise in managing... ...collaborate with senior technical staff for complex issues. System Administration & Maintenance Administer and maintain user accounts,...Work at officeFlexible hours$130k - $175k
...the organization, leveraging staff and institutional resources in service to our country. About You You are a Senior‑Level Systems Administrator with experience designing, implementing, securing, and supporting enterprise IT infrastructure in commercial, government, and...For contractors- ...SYSTEM ADMINISTRATOR Position Summary: The System Administrator will support the Air Force Review Boards Agency (AFRBA) Case Management Tracking Analysis and Reporting System (CMTARS) Operations and Maintenance program. This role is responsible for administering, maintaining...Contract work
- ...NAS and storage virtualization solutions for mission‑critical systems. Develop storage strategies, standards, and policies aligned... ...of experience in enterprise storage architecture, design, and administration. Expertise with SAN/NAS technologies, storage virtualization,...Contract work
- STI-TEC is seeking a Senior Systems Administrator to oversee database and systems administration across JDEIS applications in Washington, D.C. The role ensures stability and security for the Joint Doctrine Development Community's platforms. Candidates must possess a Bachelor...
- ...Reflexive Concepts is seeking a skilled Senior System Administrator to join our team! Join a team providing Life Cycle Sustainment (LCS) and modernization activities for commercial and custom-developed education, learning, and training applications supporting the...
$93k - $103k
...Systems Administrator II Design streets that move people—not just cars. At Toole Design, we’re leading the way in creating safer, more connected communities through sustainable multimodal transportation design. We’re looking for a Systems Administrator II to join our IT...Work at officeRemote workFlexible hours- ...MANTECH seeks a motivated, career and customer-oriented Systems Administrator to join our team in Laurel, MD. You will be part of a dedicated team delivering enterprise infrastructure capabilities for a global workforce that supports a wide range of national defense missions...Work at office
- ...Looking for an innovative organization and the opportunity to learn and grow professionally? We can help! We are seeking a System Administrator for the IT Technology Services contract. This project will provide IT service desk, systems, network, and security operations...Full timeContract workPart timeWork experience placementWork at officeRemote workMonday to Friday
$76k - $86k
...Overview/ Job Responsibilities Entarian is seeking a System Administrator to join and help lead a technical team dedicated to the operations and maintenance of the ground systems for NOAA Office of Satellite and Product Operations (OSPO) environmental-monitoring satellite...Permanent employmentFull timeTemporary workWork at officeFlexible hours- ...Washington, District Of Columbia, United States Job Description Everforth ECS Federal is seeking a Senior Systems Administrator to support a mission‑focused federal IT program in Washington DC. This position is contingent upon contract award. Join Everforth ECS Federal...Contract workLocal area
$90k - $108k
...Systems Administrator - Top-Secret a must! Location: Washington, DC – Onsite (Five days per week) Clearance Requirement: Active Top-Secret Clearance (U.S. Citizen or Permanent Resident) Salary Range: $90,000 – $108,000 Who We Are At RCG , we’re more than just a federal...Ongoing contractPermanent employmentFull timeRemote work- ...On Site Role - 4 Days a week "In Office" Overview Our client, a prestigious investment firm, is seeking a System Administrator / IT Support Engineer to join their growing technology team. This is a highly visible, hands‑on role supporting executives and employees in a...Work at officeRemote work
- ...Overview SYSTEMS ADMINISTRATOR (NAUT): Bowhead seeks a Systems Administrator to support our customer on the Nautical contract in the Arlington, VA area. The successful candidate will be responsible for the administration, maintenance, and optimization of cloud infrastructure...Contract work
- ...support installing, configuring and supporting Microsoft-based systems, both virtual and physical Bachelor’s degree in Information... ...Knowledge: Windows Server 2003, 2008, 2008 R2, 2012, 2012 R2 administration Hands-on experience managing Windows Active Directory Services...
$60k - $70k
...experts who care deeply about impact – whether we're supporting data‑driven decisions, modernizing systems or safeguarding critical programs. The Systems Administrator is responsible for managing and maintaining enterprise IT systems, ensuring the availability, reliability...Live inRemote work$90k - $105k
...Position Overview We are seeking a Senior Systems Administrator in Lanham, MD. This role serves as the primary IT lead for the Lanham office while partnering with a distributed IT operations team. The position requires a robust technical foundation across hybrid infrastructure...Contract workWork at officeLocal areaImmediate startFlexible hours2 days per week- ...customers and license DF and geolocation solutions to multiple OEMs. Position Summary We are seeking an experienced Classified Systems Administrator to support, maintain, and secure our mission‑critical, high‑consequence classified IT infrastructure. The role core...Full timeTemporary workWork at officeMonday to FridayFlexible hoursShift work
- ...Systems Administrator Location: Arlington, VA Chenega Military, Intelligence & Operations Support (MIOS) invites qualified professionals to join our team as a Systems Administrator. This role supports large‑scale government operations by leveraging cutting‑edge technology...
- ...The Position The Senior System Administrator provides Tier I/II/III systems administration and IT operations support within classified environments. This role delivers subject matter expertise supporting enterprise systems and infrastructure, ensuring availability, security...RelocationDay shift
- Systems Administrator - (Active TS/SCI security clearance with a current polygraph ) College Park, United States | Posted on 07/11/2026 Fifteen (15) years of experience as an SA in programs and contracts of similar scope, type, and complexity is required. Bachelor’s degree...
- Education Bachelor’s degree in information technology, Computer Science, Systems Engineering, or related field (or equivalent experience). Experience Minimum 5-8 years of experience in system administration, IT operations, or infrastructure support Experience managing...
- Systems Administrator/Engineer II (Systems Administrator/Engineer) Why IDS? IDS delivers innovative, mission-focused solutions that support national security and critical operations. Our teams combine deep technical expertise with real-world operational insight to solve...Local area
$80k - $95k
Overview Edgewater Federal Solutions is currently seeking a detail-oriented IT System Administrator with Cyber Security experience to support our federal customer in the Washington DC area. The candidate will work with the government customer to support the review and...Contract workWork experience placementWork at officeLocal area1 day per week
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