2,691 Results for

Network Systems Administrator Jobs in Alexandria, VA

Jobs

Senior Cloud Systems Administrator Credence

McLean, VA

$145,000–$160,000 / year
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This role requires a professional who is equally comfortable managing Windows-based infrastructure, supporting Linux systems, and implementing modern DevOps practices to improve system reliability, scalability, and operational efficiency. Credence has an immediate openiing for a highly skilled Senior Cloud Systems Administrator to support the Enterprise Sourcing, Medical and Contingency (ESMC) Portfolio Hosting Support Contract.

9 days ago

Sr Linux Systems Administrator Twenty80 LLC

Annapolis, MD

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In this role, you'll work within a large software development environment, ensuring enterprise systems remain secure, reliable, and highly available while implementing automated infrastructure to support next-generation malware analysis, cyber orchestration, and data enrichment capabilities. Network Performance: Strong ability to diagnose connectivity issues, resolve critical network outages, and optimize network performance by eliminating data bottlenecks.

7 days ago

Linux Systems Administrator - TS/SCI-FSP clearance Jobot

Fort Meade, MD

$130,000–$180,000 / year
Quick Apply

With a global customer base including all sectors, from Fortune 500 to up-and-coming startups, we over diverse product lines including, but not limited to, Cloud Services, Artificial Intelligence, Storage, Networking, Supercomputing, and Digital Transformation offerings. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

14 days ago

Sr. System and Network Engineer (on-site) CFS

Chantilly, VA

$120,000–$130,000 / year

This individual will serve as a key technical resource supporting Microsoft 365, Azure, networking, and security initiatives in a modern SaaS-focused environment. This is an excellent opportunity for a hands-on cloud infrastructure professional seeking autonomy, visibility, and the opportunity to help drive technology initiatives in a collaborative environment.

6 days ago

SharePoint Farm Administrator Leidos

Suitland, MD

$107,900–$195,050 / year

Proficient at IIS Management, Server Administration, Active Directory Operation (including LDAP queries), DNS Operations, SMTP, Network Load Balancing (NLB), Event Viewer and Performance Monitor, Powershell scripting and providing SharePoint support and developer training. In this role you will provide SharePoint Operations and Maintenance for Collaborative Services, Automated Business Processes, and related applications (currently SharePoint based) to fulfill the Hopper Information Services Center (ISC), Operations Department (ISC-N3), and Services Division (ISC-N33) SharePoint mission requirements.

30+ days ago

Systems Engineer Leidos

Temple Hills, MD

$107,900–$195,050

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. • The candidate should be a proactive leader and team player with strong communication, management, analytical, and problem solving skills; proven ability to thrive in environments that constantly embraces new technology.

30+ days ago

Unix/Linux Administrator System One

Washington, DC

$150,000 / hour
Quick Apply

Design and maintain the enterprise patch and configuration management architecture (Red Hat Satellite, Ansible or Ansible Automation Platform), converting manual administrative work into automated, repeatable, version-controlled workflows. Author and maintain security hardening baselines aligned to CIS Benchmarks and applicable DISA STIGs; own vulnerability scan remediation and support FISMA and NIST SP 800-53 control implementation, POA&M closure, and audit evidence.

7 days ago

SharePoint Administrator Leidos

Suitland, MD

$107,900–$195,050 / year

Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field with 8+ years of relevant experience, or a master’s degree with 6+ years of relevant experience. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com .

22 days ago

Business Applications System Admin System One

Washington, DC

$58.25–$68 / hour
Quick Apply

Participate in change management processes, ensuring smooth transitions when new versions or configurations are implemented. • 3-5 years of experience in administering business applications, specifically iManage, eRooms, Confluence, and Jira, or similar systems in an enterprise environment.

Today

Lead Systems Engineer Leidos

Burke, VA

$107,900–$195,050

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. June 22, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

30+ days ago

Dialysis Facility Administrator U.S. Renal Care

Bowie, MD

Continuously monitor to ensure that a safe and sanitary physical environment is maintained throughout the facility; that all equipment is maintained and functions properly; and that adequate and appropriate inventory levels of all supplies are available and used correctly. STAFF DEVELOPMENT/ RETENTION Ensure all staff meet required qualifications for position held and perform duties within limitations established by and in accordance with company policy/procedures, health care professionals practice acts, applicable state and federal laws and regulations.

30+ days ago

Network & Systems Administrator / Tier III Cherry Bekaert

District of Columbia

The ideal candidate will have strong experience in Microsoft 365 administration, hybrid Active Directory environments, and PowerShell scripting , with the ability to manage and automate large-scale system changes. This role bridges advanced end-user support and systems administration , requiring a hands-on professional who can operate across both infrastructure and user-facing responsibilities.

30+ days ago

Network Systems Administrator III Iridium Satellite, LLC

McLean, Virginia

$95,000–$125,000 / year

Position Summary, Job Requirements & Responsibilities: What We’re Looking For: If you are an experienced Network Systems Administrator with strong Linux/Windows and security-focused infrastructure skills, you will be excited about the Network Systems Administrator opening on Aireon’s Network Engineering team. As a Network Systems Administrator, you’ll independently deliver high-quality work and drive system deployment, hardening, and sustainment activities to completion for Aireon’s on-premises operational networks that distribute data to customers.

6 days ago

Network Systems Administrator III Iridium Communications Inc

McLean, VA

$95,000–$125,000 / year

As a Network Systems Administrator, you'll independently deliver high-quality work and drive system deployment, hardening, and sustainment activities to completion for Aireon's on-premises operational networks that distribute data to customers. What We're Looking For: If you are an experienced Network Systems Administrator with strong Linux/Windows and security-focused infrastructure skills, you will be excited about the Network Systems Administrator opening on Aireon's Network Engineering team.

5 days ago

Network Engineer / Systems Administrator (SA) Cymertek

Annapolis Junction, Maryland

Network Engineer, Systems Administrator, IT Infrastructure Engineer, Network Systems Administrator, Network Administrator, Systems Engineer, Cloud Systems Administrator, Network Operations Engineer, IT Support Engineer, Network Security Engineer, etc. Computer Science, Information Technology, Network Engineering, Systems Engineering, Computer Engineering, Information Systems, Cybersecurity, Electrical Engineering, Data Science, Applied Mathematics, etc.

30+ days ago

Network Systems Administrator, SOC Specialist - Ts/Sci W/Poly Parsons Commercial Technology Group Inc.

Annapolis Junction, MD

$134,100–$241,400 / year

Imagine next with Parsons as you join a team that supports and values our employees, provides opportunities for exposure to various projects, and provides innovative solutions and products to our customers. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace.

14 days ago

Network Systems Administrator, SOC Specialist - TS/SCI w/Poly Parsons Corp

Annapolis Junction, MD

$134,100–$241,400 / year

14 days ago

Networking Systems Administrator (Windows), Senior Navstar, Inc.

Annapolis Junction, MD

$125,000–$240,000 / year

Other responsibilities include: Quickly responding to IT Help Desk calls and emails in a professional manner; ensuring issues are resolved and/or escalated to the appropriate teams; and following up with teams and users to ensure issues are satisfactorily remediated. Executing the process for managing information assurance vulnerability alerts (IAVAs) and system security scanning for equipment suites in accordance with the System Security Plans for these systems to rapidly and accurately identify and remediate IAVAs.

29 days ago

Networking Systems Administrator (Linux), Senior Navstar, Inc.

Annapolis Junction, MD

$125,000–$240,000 / year

29 days ago

Network and Computer Systems Administrator Intelligent Waves LLC

Fort Belvoir, Virginia

$138,000–$147,000 / year
Full time

Compensation Range: $138,000–$147,000 Intelligent Waves delivers mission-focused multi-domain operational expertise and innovation to the Government through high-impact technology solutions in cybersecurity, data science, enterprise network & systems engineering, software development, and cognitive human performance. Install, configure, support, and maintain LAN, WAN, and Internet/network systems; monitor network availability and performance, perform required maintenance, support network planning and analysis, and administer network security measures.

8 days ago

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Network Systems Administrator Jobs in Alexandria, VA

Senior Cloud Systems Administrator Credence

Sr Linux Systems Administrator Twenty80 LLC

Linux Systems Administrator - TS/SCI-FSP clearance Jobot

Sr. System and Network Engineer (on-site) CFS

SharePoint Farm Administrator Leidos

Systems Engineer Leidos

Unix/Linux Administrator System One

SharePoint Administrator Leidos

Business Applications System Admin System One

Lead Systems Engineer Leidos

Dialysis Facility Administrator U.S. Renal Care

Network & Systems Administrator / Tier III Cherry Bekaert

Network Systems Administrator III Iridium Satellite, LLC

Network Systems Administrator III Iridium Communications Inc

Network Engineer / Systems Administrator (SA) Cymertek

Network Systems Administrator, SOC Specialist - Ts/Sci W/Poly Parsons Commercial Technology Group Inc.

Network Systems Administrator, SOC Specialist - TS/SCI w/Poly Parsons Corp

Networking Systems Administrator (Windows), Senior Navstar, Inc.

Networking Systems Administrator (Linux), Senior Navstar, Inc.

Network and Computer Systems Administrator Intelligent Waves LLC

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