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Laurel, Maryland

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Today

Job Number: R0232760 System Administrator, Senior The Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve a critical technology supporting the Department of Defense (DoD)? We're looking for a System Administrator to help us design, deploy, and maintain Enterprise Cross Domain Solutions for an enterprise environment that supports critical cybersecurity mission customers. As a Linux System Administrator on

Full-time

USD 77,600.00 - 176,000.00 per year

Senior System Administrator

Columbia, Maryland

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Today

Job Number: R0232223 System Administrator, Senior The Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the Department of Defense? We're looking for a System Administrator to help us design, deploy, and maintain Cross Domain Solutions for an enterprise environment that supports critical cybersecurity mission customers. As a Linux System Administrator on our project, you'll cons

Full-time

USD 77,600.00 - 176,000.00 per year

Sr. System Administrator - VDI

Odenton, Maryland

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Today

The Defense group at Leidos has a career opening for a System Administrator on a DISA contract. This role is primarily on the customer site at Ft Meade, MD. Administrator will provide support for assigned systems supporting Joint Worldwide Intelligence Communications System (JWICS). PRIMARY RESPONSIBILITIES: Provide Senior level expertise for Virtual Desktop Infrastructure (VDI) environment.Lead as the Subject Matter Expert on all VDI related issues/needs.Provide support for ticket escalation o

Full-time

USD 92,300.00 - 166,850.00 per year

Senior DevOps Engineer and System Administrator

Hybrid in McLean, Virginia

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Today

Job Number: R0231681 DevOps Engineer and System Administrator, Senior The Opportunity: Are you looking for an opportunity to leverage your DevOps and System Administration expertise in a high impact role? We're building and launching capab ility for Enterprise-web based systems in Cybersecurity automation. You'll have the opportunity to work on deployment, operations, and automation of a web-based SaaS solution used by thousands of organizations. You'll be responsible for executing deployments

Full-time

USD 77,600.00 - 176,000.00 per year

ICAM System Administrator

Washington, District of Columbia

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Today

Title: Systems Administrator Location: WASHINGTON, D.C., Onsite Status: Full Time Yakshna Solutions, Inc., (YSI) is a CMMI Level 3 assessed, ISO 9001, 20000:1, 27001 certified, woman-owned small business enterprises, headquartered in Herndon, Virginia, USA. YSI provides professional IT solutions and services to business corporations and government organizations. YSI is committed to serve its business communities as a leading IT vendor providing innovative, quality and cost-effective IT business

Easy Apply

Full-time

$100,000 - $120,000

Classified Senior System Administrator

Laurel, Maryland

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Today

Description Do you thrive in a fast-paced, dynamic classified environment? Do you want to be empowered to take ownership and have a stake in the overall engineering and operations of a secure IT infrastructure? Are you interested in working with a wide range of technologies, learning continuously, and helping drive your team toward operational excellence? If so, we're looking for someone like you to join our team at Johns Hopkins Applied Physics Laboratory (APL) - ranked by Computerworld as o

Full-time

USD 100,000.00 per year

Sr. System Administrator II (Temp)

Annapolis, Maryland

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Today

Date Posted: 2026-01-08 Country: United States of America Location: MD231: 306 Sentinel Drive Suite100 AJ 306 Sentinel Drive Suite 100, Annapolis Junction, MD, 20701 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: TS/SCI At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to

Full-time

ICAM System Administrator

Washington, District of Columbia

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Today

Job Description ECS is seeking an ICAM Systems Administrator (Top Secret Cleared with CI-Poly) to work in our Washington, DC office. ECS is seeking skilled and experienced System Administrators to join our organization. We offer the chance to support the world's finest law enforcement organization and help the people that keep us safe. In this role, you will support agents, analysts, professionals, and the technology they use to combat terrorism, espionage, cyber-attacks, and major criminal t

Full-time

USD 90,000.00 - 120,000.00 per year

System Administrator-Linux

Annapolis, Maryland

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Today

System Administrator - Linux Leidos has a new and exciting opportunity for a System Administrator - Linux in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6%

Full-time

USD 92,300.00 - 166,850.00 per year

Linux System Administrator-Senior Level

Remote or Sterling, Virginia

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Today

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Full-time

Senior Linux Systems Administrator

Camp Springs, Maryland

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Today

The Leidos Digital Modernization Sector is seeking a Senior Linux Systems Administrator in support of the Air Force National Capital (AFNCR) IT Services program. At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer's success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our

Full-time

USD 116,350.00 - 210,325.00 per year

Senior ServiceNow Operations Administrator

Hybrid in McLean, Virginia

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Today

Job Number: R0232277 ServiceNow Operations Administrator, Senior The Opportunity: Your combination of people skills and ServiceNow expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting ServiceNow? We're looking for a senior ServiceNow system administrator to help us operate and maintain ServiceNow platforms for our Government clients. As a senior ServiceNow system administrator on our project, you'll manage

Full-time

USD 77,600.00 - 176,000.00 per year

Senior High Performance Computing System Administrator

Remote or Ronan, Montana

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Today

Working at Yale means contributing to a better tomorrow. Whether you are a current resident of our New Haven-based community- eligible for opportunities through the New Haven Hiring Initiative or a newcomer, interested in exploring all that Yale has to offer, your talents and contributions are welcome. Discover your opportunities at Yale! Salary Range $90,000.00 - $165,750.00 Overview The Yale Center for Research Computing (YCRC) is looking for a versatile system administrator/engineer to hel

Full-time

USD 90,000.00 - 165,750.00 per year

Tier II Linux Systems Administrator (HPC) - Top Secret Clearance w/SCI eligibility

Arlington, Virginia

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Today

Overview AMERICAN SYSTEMS, a 100% employee-owned federal government contractor, is seeking a Tier II Linux Systems Administrator to support a classified High-Performance Computing (HPC) environment in Arlington, VA. Are you an experienced Linux administrator with strong system fundamentals wanting to expand your skillset into HPC environments? If so, this role is for you! You will work alongside senior system administrators and engineers, receiving hands-on exposure to HPC platforms, distribut

Full-time

USD 91,600.00 per year

Junior Windows VMware Administrator

Washington, District of Columbia

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Today

Job ID: 2600625 Location: WASHINGTON, DC, US Date Posted: 2026-01-22 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description SAIC is seeking a motivated and detail-oriented Junior Windows VMware Administrator to support and maintain our Windows server environment and virtual infrastructure. This role is i

Full-time

USD 40,001.00 - 80,000.00 per year

Linux Administrator with Top Secret Clearance

Olney, Maryland

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19d ago

Responsibilities: Kriaanet is seeking an experienced Linux System Administrator to implement and manage a centralized Cloud System Management system. This role requires a self-starter who can operate as the program's Linux expert within a small team with minimal supervision. Normal activities for this role include: Configure ACAS; evaluating and understanding STIG; perform ACAS scans and perform compliance assessment against STIG; configure and manage ePolicy Orchestrator for Data Loss Preventio

Easy Apply

Contract

$75 - $100

Senior System Administrator (Government)

Reston, Virginia

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Today

Job Description: This position requires office presence of a minimum of 5 days per week and is only located at customer's site. AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission. TAC2O (T

Full-time

USD 89,200.00 - 196,000.00 per year

SharePoint Systems Administrator

Alexandria, Virginia

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Today

Unleash Your Potential At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer's success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like an environment where you can thrive, keep reading! The Miss

Full-time

USD 92,300.00 - 166,850.00 per year

System Administrator Lead

Reston, Virginia

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Today

Job Brief SecDevOps tools, Amazon Web Services Job Description RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch industry professionals. We are searchi

Full-time

USD 190,000.00 - 240,000.00 per year

Splunk Systems Engineer - TS/SCI w/Poly

Annapolis, Maryland

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Enterprise Technologies, SIEM Tools, Splunk (Inactive) Certifications: Comp TIA Security - CompTIA - CompTIA Experience: 2 + years of related experience ship Required: Yes Job Description: Splunk Systems Engineer Deliver

Full-time

USD 102,000.00 - 138,000.00 per year

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