Senior System Administrator jobs in Chantilly – Browse 140 openings on RoboApply Jobs

Senior System Administrator jobs in Chantilly

Open roles matching “Senior System Administrator” with location signals for Chantilly. 140 active listings on RoboApply Jobs.

140 jobs found

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CGS Federal logo
Full-time|Hybrid|Chantilly, VA

Join CGS Federal as a Senior Systems Administrator specializing in Relativity!Employment Type: Full TimeDepartment: Legal/ITWe are looking for an experienced Senior Systems Administrator to enhance our network systems through various innovative projects. The ideal candidate will leverage their expertise to support and improve our Automated Litigation Support…

Mar 11, 2026
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CGS Federal logo
Full-time|Hybrid|Chantilly, VA

Join our team as a Senior Systems Administrator IIEmployment Type: Full Time, Senior-levelDepartment: Legal/ITCGS Federal is actively seeking a Senior Systems Administrator to enhance our technical support initiatives for a prominent Federal agency. We are dedicated to assembling talented and innovative individuals who are eager to tackle the government's most complex challenges using state-of-the-art technology. Our mission is driven by candidates who are passionate about contributing to government innovation, thrive in collaborative environments, and can effectively anticipate the needs of others. At CGS, we pride ourselves on fostering a supportive workplace that prioritizes professional development through diverse learning opportunities.Key Responsibilities:- Oversee the archiving of Relativity databases, creating and managing a workflow process to identify, archive, and delete materials in accordance with relevant policies and NARA guidelines.- Collaborate with the Contractor IT Manager, Systems Manager, or Lead Project Manager to ensure alignment with project goals.- Engage with the COR, Government Case Managers, and trial attorneys to gather system requirements and propose technical solutions for IT needs.- Analyze gathered information to define system and project requirements.- Design comprehensive systems based on defined requirements.- For smaller projects, provide full technical support, including program validations and testing.- Conduct systems evaluations and present findings, recommendations, and specifications through formal reports and presentations.- Consult with the COR on task orders, scheduling, personnel assignments, and progress reporting; plan and develop cost estimates for work under task orders.- Monitor and report on the progress of contracts and task orders.- Supervise personnel assigned to task orders, ensuring adherence to work standards and that technical designs meet functional requirements.

Mar 6, 2026
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Iomaxis LLC logo
Full-time|On-site|Chantilly

We are seeking a dedicated and skilled Senior System Administrator to join our dynamic team at Iomaxis LLC. In this vital role, you will be responsible for managing and optimizing our IT infrastructure, ensuring seamless operations, and supporting various system-related projects. If you have a passion for technology and a strong problem-solving ability, we want to hear from you!

Jan 5, 2026
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CGS Federal logo
Full-time|Hybrid|Chantilly, VA

Senior Systems AdministratorEmployment Type: Full Time, Senior-levelDepartment: Legal/ITJoin CGS Federal as a Senior Systems Administrator and be a pivotal part of our technical support initiatives for a prominent Federal agency. At CGS, we are driven by the mission to provide innovative solutions to the government’s most complex challenges through advanced technology.We seek passionate, skilled, and collaborative individuals who are eager to contribute to government innovation. Our work culture is designed to foster professional growth and support, offering various learning opportunities to enhance your career.Responsibilities:- Oversee the archiving processes for Relativity databases, ensuring compliance with destruction policies and Division, Department, and NARA guidelines.- Collaborate closely with the Contractor IT Manager, Systems Manager, and Lead Project Manager.- Engage with COR, Government Case Managers, and trial attorneys to define system requirements and technical approaches.- Based on consultations, assess system and project requirements and design comprehensive systems to meet these needs.- Execute systems evaluations and provide detailed reports and presentations of findings and recommendations.- Consult with COR on task orders, work scheduling, and personnel management.- Supervise team members to ensure adherence to work standards and technical specifications.

Mar 6, 2026
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CGS Federal logo
Full-time|Hybrid|Chantilly, VA

Senior Discovery IT System AdministratorEmployment Type: Full-Time, Executive-LevelDepartment: Legal CGS Federal is on the lookout for a proficient Senior Discovery IT System Administrator to become an integral part of our dynamic team, dedicated to supporting legal accounts. In this pivotal role, you will contribute significantly to the management and enhancement of our technology portfolio.At CGS, we unite motivated and skilled individuals to tackle the government's most pressing challenges using the latest technological advancements. We value candidates who are eager to drive government innovation, foster collaboration, and anticipate the needs of their peers. Our supportive environment encourages professional growth through a variety of learning opportunities.Key Responsibilities:- Ensure the daily availability of electronic discovery applications and related tools.- Administer and monitor all installed systems and infrastructure, including installation, configuration, testing, and maintenance of operating systems and application software.- Monitor and test application performance for potential bottlenecks, identify solutions, and work with vendors and developers to implement fixes.- Maintain security, backup, and redundancy strategies.- Assist in technical architecture design discussions.

Feb 20, 2026
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Iomaxis LLC logo
Full-time|On-site|Chantilly

We are seeking a dedicated and knowledgeable IT Windows System Administrator to join our dynamic team. As a Subject Matter Expert (SME), you will play a pivotal role in managing, configuring, and optimizing Windows-based systems to ensure maximum efficiency and security.Your responsibilities will include troubleshooting complex system issues, implementing system upgrades, and providing technical guidance to team members. This role requires both technical expertise and the ability to communicate effectively with both technical and non-technical stakeholders.

Jan 5, 2026
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CGS Federal logo
Full-time|Hybrid|Chantilly, VA

Join CGS Federal as a SQL Database Administrator / Systems Analyst, where you will be an integral part of a comprehensive technical support initiative for a major Federal agency.As a member of our team, you will collaborate with highly skilled and motivated professionals dedicated to solving the government's most pressing challenges through innovative technology.We value individuals who are eager to contribute to government innovation, thrive in a collaborative environment, and can anticipate the needs of their team and clients.At CGS, we foster a supportive atmosphere that encourages professional growth and development through a variety of learning opportunities.

Mar 6, 2026
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Redhorse Corporation logo
Full-time|On-site|Chantilly, VA

About Redhorse Corporation Redhorse Corporation delivers data insights and technology solutions that support government missions tied to U.S. national interests. The team values collaboration and trusts skilled professionals to help clients achieve critical goals. Role Overview: System Administrator Redhorse Corporation seeks a System Administrator for a key position in Chantilly, VA. This role serves as the technical expert for designing, developing, and deploying an internal web-based tool. The work centers on architecting and engineering secure, scalable applications within classified AWS environments (C2S/C2E). The System Administrator will: Lead application architecture efforts for the internal tool Implement SecDevOps practices to support secure development and operations Ensure all solutions comply with sponsor and federal regulations Align technical execution with compliance and program management objectives This position is vital for maintaining both technical excellence and regulatory compliance within a sensitive, mission-driven setting.

Apr 14, 2026
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XMSTART logo
Full-time|On-site|Chantilly, Virginia, United States

XMSTART is seeking a seasoned and strategic Senior Contract Administrator to join our dynamic team in Chantilly, VA. This position is 100% Onsite. The ideal candidate will provide comprehensive support through all phases of contract execution, from pre-award to closeout. You will serve as a vital advisor for all acquisition and contract program office needs, while reviewing, approving, and offering insightful recommendations to our government clients.

Feb 10, 2026
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XMSTART logo
Full-time|On-site|Chantilly, Virginia, United States

Join XMSTART as a Senior Contract Administrator in our Chantilly, VA office, where your expertise will be pivotal in managing the entire lifecycle of contracts—from pre-award to closeout. This 100% onsite role is contingent on the award of contract and requires a strategic thinker who can advise the team on all acquisition and contract program office requirements. You will play a critical role in reviewing, approving, and recommending actions to the government customer.

Jan 21, 2026
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xm-start logo
Full-time|On-site|Chantilly, Virginia, United States

Join the dynamic team at XMSTART as a Senior Contract Administrator based in Chantilly, VA. This is a full-time role that requires a strategic thinker with extensive experience in contract administration. As a key member of our team, you will play a crucial role in assisting with all phases of contract execution, from pre-award through to closeout. You will serve as a trusted advisor for contract program office requirements, ensuring that all contract actions align with government standards and expectations.

Feb 10, 2026
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CGS Federal logo
Full-time|Hybrid|Chantilly, VA

Join Our Team as a Discovery IT System AdministratorEmployment Type: Full-Time, Executive-LevelDepartment: Legal CGS Federal is on the lookout for a proactive and skilled Discovery IT System Administrator to join our dynamic team, where we tackle challenging legal accounts with advanced technology solutions. In this pivotal role, you will be instrumental in managing and supporting critical components of our IT infrastructure.At CGS, we pride ourselves on bringing together motivated and innovative individuals who are passionate about solving the government's most pressing issues through technology. We foster a collaborative environment that promotes professional growth and development, ensuring our team members have access to various learning opportunities.If you are driven by a mission to innovate in government services and possess the ability to anticipate the needs of your colleagues, we would love to hear from you.

Mar 12, 2026
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Edgesource Corporation logo
Full-time|Hybrid|Chantilly, VA (Hybrid)

Edgesource Corporation seeks a Cloud Systems Administrator for its Chantilly, VA office (hybrid schedule). This role supports the company's technology services for federal, state, and private sector clients, with a focus on cloud computing and help desk operations. Role overview The Cloud Systems Administrator manages and optimizes cloud systems and networks to maintain strong uptime and security. Responsibilities include technical support for both internal and external users, monitoring system performance, and ensuring documentation and compliance. The position requires flexibility to work rotating shifts and the ability to address issues quickly, both independently and as part of a team. What you will do Monitor and optimize the performance of customer systems and cloud solutions (AWS, Azure, OpenStack) to ensure maximum uptime. Troubleshoot and resolve complex technical issues for internal and external clients. Proactively identify and mitigate potential system and security risks. Maintain up-to-date documentation for system configurations, operational procedures, and policies. Develop and enforce IT policies and procedures to comply with laws, regulations, and industry standards. Collaborate with the IT team to plan and implement new technologies and solutions. Respond to help desk inquiries in a timely and professional manner. Manage cloud system issues, focusing on efficiency and cost optimization. Perform routine system backups and support disaster recovery planning. Train users on system operations and best practices. Requirements Strong technical foundation in cloud computing and help desk operations. Experience with AWS, Azure, and OpenStack cloud environments. Ability to work both independently and collaboratively. Comfortable in a high-urgency, multi-tasking environment. Willingness to work rotating shifts as needed.

Apr 29, 2026
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CGS Federal logo
Full-time|Hybrid|Chantilly, VA

Join Our Team as a Senior Database AdministratorEmployment Type: Full-Time, Mid LevelDepartment: Information TechnologyCGS Federal is on the lookout for a talented Senior Database Administrator to oversee the comprehensive management of Microsoft SQL Server environments. This role is critical in ensuring our systems run smoothly and efficiently, directly impacting our ability to provide innovative solutions to government challenges.At CGS, we unite motivated and skilled professionals to tackle some of the government's most complex problems using advanced technology. We foster a collaborative environment where every team member is valued, and we are committed to professional development through various learning opportunities.Key Responsibilities:- Manage Microsoft SQL Server, including Replication, Backup/Restore procedures, Capacity Planning, Reporting Services, Analysis Services, and Integration Services.- Execute database migrations from SQL Server 2012 to SQL Server 2016.- Provide comprehensive systems administration support, including planning, execution, testing, installations, and configurations of new hardware and software.- Analyze and implement SQL performance monitoring and tuning solutions.- Deploy and support Microsoft Technologies, including Visual Studio Framework, VB.NET, ASP.NET, and Web Services.- Oversee virtualization technologies such as VMware and Microsoft Hyper-V, creating and configuring virtual machines.- Ensure compliance with MPA policies and procedures by performing backups of web, application, and database servers, including daily incremental backups and full weekly backups.- Conduct database maintenance activities such as monitoring and space management, providing extended hours of support for database systems as needed.

Feb 18, 2026
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CGS Federal logo
Full-time|Hybrid|Chantilly, VA

Senior Database Administrator IIEmployment Type: Full-Time, Mid LevelDepartment: Information TechnologyCGS Federal is in search of a highly skilled Senior Database Administrator II to oversee all facets of Microsoft SQL Server management. The ideal candidate will play a pivotal role in enhancing government efficiency through innovative technology solutions.At CGS Federal, we unite passionate and talented individuals who are dedicated to tackling the government's most pressing challenges with advanced technology. We are on the lookout for candidates who are eager to drive government innovation, thrive in collaborative environments, and proactively meet the needs of our clients. Our company culture fosters support and encourages continuous professional development through various learning initiatives.Key Responsibilities:- Manage Microsoft SQL Server operations, including replication, backup/restore processes, capacity planning, reporting services, analysis services, and integration services.- Lead database migration efforts from SQL Server 2012 to SQL Server 2016.- Provide comprehensive systems administration support, including planning, executing, testing, installing, and configuring new hardware and software.- Propose and implement solutions for SQL performance enhancement and monitoring.- Implement, deploy, and support Microsoft technologies such as Visual Studio Framework, VB.NET, ASP.NET, and web services.- Support visualization technologies like VMware and Microsoft Hyper-V, including virtual machine creation and configuration.- Conduct backups of web, application, and database servers according to MPA policies, including daily incremental and full weekly backups of all server volumes.- Monitor database activities, manage space, and provide extended support for database systems as needed.

Feb 18, 2026
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latitudeinc logo
Full-time|On-site|Chantilly, VA

Job Title: Windows System EngineerLocation: Chantilly, VA or King of Prussia, PAClearance Required: Active Top Secret / SCIEmployment Type: Full-TimeOverviewWe are on the lookout for a talented Windows System Engineer proficient in Citrix administration to enhance our secure and mission-critical IT operations in a classified environment. The ideal candidate will possess extensive experience in Windows server management, virtualization, system optimization, and security compliance, demonstrating a solid track record in managing and supporting enterprise-level Citrix environments.Key Responsibilities- Administer, configure, and maintain Windows Server environments (2016, 2019, or later) in alignment with security and operational standards.- Manage, monitor, and troubleshoot Citrix infrastructure including Citrix Virtual Apps and Desktops, StoreFront, and Citrix Director.- Implement and maintain Active Directory (AD), Group Policy, and DNS/DHCP configurations.- Apply DISA STIGs, security patches, and system hardening procedures to ensure compliance with DoD and organizational standards.- Support virtualized environments (VMware or Hyper-V) and assist with storage and network integrations.- Conduct system monitoring, backup, and recovery operations to guarantee high availability and resilience.- Collaborate with cybersecurity teams to maintain compliance with RMF and security baseline requirements.- Provide Tier 2/3 support for escalated system and user issues related to Windows or Citrix systems.- Document configurations, changes, and procedures per organizational policies.Required Qualifications- Active Top Secret / SCI Clearance (TS/SCI)- 5+ years of hands-on experience as a Windows Systems Engineer or Systems Administrator.- Strong experience in Citrix administration (Citrix Virtual Apps and Desktops, Citrix Studio, Citrix Director, StoreFront).- Proficiency in Windows Server management, Active Directory, Group Policy, and PowerShell scripting.- Experience with VMware or Hyper-V virtualization platforms.- Familiarity with DoD security standards, STIGs, and RMF compliance processes.- Excellent troubleshooting, documentation, and communication skills.Preferred Qualifications- Citrix certifications (e.g., CCA-V, CCP-V, or CCE-V).- Microsoft certifications such as MCSA or MCSE.- Experience supporting environments within a DoD, Intelligence Community, or federal contractor setting.- Familiarity with SolarWinds, SCCM, WSUS, or similar management tools.

Oct 13, 2025
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Edgesource Corporation logo
Full-time|On-site|Chantilly, VA

Company OverviewWith a legacy of over 25 years, Edgesource Corporation stands out as a leading technology service provider, catering to the needs of the Department of Defense (DOD), Department of Homeland Security (DHS), Department of State (DOS), U.S. Intelligence Community, Law Enforcement, and various federal, state, and commercial clients both domestically and internationally. We pride ourselves on delivering tailored technical solutions that bolster the DOD's Counter Unmanned Aerial Systems (CUAS) mission and combat critical cybersecurity threats in collaboration with the DHS Cybersecurity & Infrastructure Security Agency (CISA). Joining Edgesource means engaging in work that is not just meaningful but also impactful.Position OverviewAs a Senior Systems Engineering Subject Matter Expert, you will lead engineering teams in adopting a multidisciplinary approach to requirements engineering, solutions engineering, scheduling, reliability, resiliency, service development, integration, testing and evaluation, maintainability, and analysis across the National System of Geospatial-Intelligence (NSG), Allied System of Geospatial-Intelligence (ASG), and various Federal Agencies, ensuring the delivery of timely and precise GEOINT services.Job DutiesMentor mid-level and junior systems engineers in executing requirements engineering, solutions engineering, scheduling, reliability, resiliency, service development, integration, testing and evaluation, maintainability, and analytical tasks across NSG, ASG, and Federal Agencies.Oversee the planning, analysis, and traceability of user requirements and system architectures, while identifying opportunities to enhance existing systems and evaluating cloud service capabilities and scheduling constraints.Guide the development of solution designs by mid-level and junior engineers based on rigorous analysis of requirements and emerging technologies.Assist the Government in transforming mission and customer requirements into actionable systems and capability solutions.Support the analysis and allocation of requirements to systems architecture components and executing programs.Conduct systems integration activities.Lead Analysis of Alternatives (AoAs), Course of Action (CoAs), Trade Studies, and Engineering Assessments.Provide strategic technical planning, project management, performance engineering, risk management, and interface design support to the Government.

Mar 24, 2026
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Edgesource Corporation logo
Senior Systems Integrator

Edgesource Corporation

Full-time|On-site|Chantilly, VA

Company OverviewFor over 25 years, Edgesource Corporation has been at the forefront of technological innovation, providing exceptional services to the Department of Defense (DOD), Department of Homeland Security (DHS), Department of State (DOS), the U.S. Intelligence Community, Law Enforcement, and various federal, state, and commercial clients both domestically and internationally. Our commitment to delivering bespoke technical solutions has made significant contributions to the DOD Counter Unmanned Aerial Systems (CUAS) mission and has strengthened defenses against critical Cybersecurity threats in collaboration with the DHS Cybersecurity & Infrastructure Security Agency (CISA). Joining Edgesource means engaging in meaningful work that makes a difference.Position OverviewAs a Senior Systems Integrator, you will play a pivotal role in supporting the Government by managing the integrity of the NSG/ASG systems-of-systems enterprise. This position involves leading the planning, implementation, testing, documentation, and maintenance of solutions across cloud, on-premise, and hybrid services utilizing established processes and tools.Job Duties· Lead and execute systems integration activities across NSG, ASG, and Federal Agencies to assure timely and precise GEOINT delivery.· Oversee a comprehensive systems perspective, understanding the interplay between cloud, on-premise, and hybrid services, along with infrastructure and security domains.· Manage the preparation of engineering plans and technical design packages for site installations.· Mentor and guide the efforts of Mid- and Junior-level contractor Systems Integrators.

Mar 24, 2026
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CGS Federal logo
Full-time|Hybrid|Chantilly, VA

CGS Federal is actively searching for a talented Senior Systems Analyst to enhance our technical support initiatives for a prominent Federal agency.At CGS, we unite highly motivated, skilled, and innovative individuals to tackle the government's most pressing challenges with advanced technology. We are looking for candidates who are passionate about driving government innovation, thrive in collaborative environments, and possess the foresight to understand the needs of others.We pride ourselves on fostering a supportive atmosphere for our employees and are committed to their professional development through various learning opportunities.Key Responsibilities:- Create, manage, and document workflow processes to identify, archive, and delete materials following destruction policies and NARA regulations.- Report to the Contractor IT Manager, Systems Manager, or Lead Project Manager.- Collaborate with COR, Government Case Managers, and trial attorneys to assess system requirements and propose technical solutions.- Define and design systems based on gathered requirements.- On smaller projects, undertake comprehensive technical support including validations and testing.- Conduct systems evaluations and present findings through formal reports and presentations.- Consult with COR on task orders, scheduling, personnel assignments, and report on task order progress.- Supervise team members on assigned tasks, ensuring adherence to work standards and functional requirements.- Ensure timely completion of tasks and maintain quality control.- Produce system and technical documentation as required.- Adhere to the configuration management plan.- Oversee the technical aspects of the tasks and provide user training on developed systems, including preparation of training materials.

Mar 6, 2026
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CGS Federal logo
Full-time|Hybrid|Chantilly, VA

Senior Database Administrator (DBA) - Top Secret Clearance RequiredEmployment Type: Full-Time, Executive-LevelDepartment: Legal Join CGS as a Senior Database Administrator to play a vital role in supporting our legal initiatives. We are looking for an experienced professional to join our dynamic team and contribute to our innovative solutions in government technology.At CGS, we pride ourselves on assembling a team of motivated and creative individuals dedicated to solving the government's most pressing challenges with advanced technology. We foster an environment that encourages collaboration and professional growth through diverse learning opportunities.

Feb 20, 2026

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