Systems Administrator
NS2 Mission
At NS2 Mission, reliable infrastructure is the foundation of mission success. We're seeking a Systems Administrator to join our team in Chantilly, VA , where you'll be responsible for managing, maintaining, and optimizing enterprise server environments that support Intelligence Community customers. In this role, you'll collaborate with engineers, technical leads, and mission partners to deploy new systems, maintain secure and reliable server infrastructure, troubleshoot complex technical issues, and support the continuous operation of mission-critical environments. If you enjoy solving infrastructure challenges and ensuring enterprise systems perform at their best, we\'d love to hear from you. Responsibilities Install, configure, administer, and maintain enterprise server environments to ensure optimal performance, reliability, and availability. Develop and maintain server build documentation, configuration baselines, asset records, and technical procedures to support lifecycle management. Perform server deployments, upgrades, operating system updates, security patching, and baseline configuration changes in accordance with established standards. Monitor server health, system capacity, and performance metrics, providing tuning recommendations and implementing improvements to optimize system performance. Respond to service requests, incidents, and outage events by troubleshooting hardware, software, and operating system issues and restoring services in a timely manner. Support backup, recovery, and data restoration activities while maintaining secure access controls and protecting enterprise systems. Coordinate server installations, transitions, and infrastructure changes while collaborating with internal teams, vendors, and service providers. Maintain server rooms and support infrastructure, ensuring systems remain operational, secure, and compliant with organizational standards. Evaluate existing server infrastructure and recommend hardware refreshes, system enhancements, and technology improvements to support future mission needs. Participate in operational support activities, including after-hours or on-call support, special projects, and technical planning efforts as required. Required Qualifications Bachelor\'s degree in Information Technology, Computer Science, Information Systems, Engineering, or a related technical discipline (or equivalent combination of education and experience). Experience administering Windows and/or Linux server environments in an enterprise environment. Experience with server installation, configuration, patch management, operating system upgrades, and lifecycle administration. Knowledge of server monitoring, performance tuning, backup and recovery, and capacity planning. Experience troubleshooting server hardware, operating systems, and enterprise infrastructure issues. Familiarity with asset management, system documentation, and configuration management best practices. Preferred Qualifications Experience supporting Intelligence Community, Department of Defense, or other federal government IT environments. Experience with virtualization technologies such as VMware, Hyper-V, or similar platforms. Familiarity with enterprise storage solutions, Active Directory, Group Policy, and remote administration tools. Experience with scripting or automation using PowerShell, Bash, Python, or similar technologies. Industry certifications such as CompTIA Server+, Microsoft Certified, Red Hat Certified System Administrator (RHCSA), VMware VCP, or equivalent systems administration certifications. Position Clearance Requirement: TS/SCI with an FSP We win with inclusion NS2 Mission\'s culture of inclusion, focus on health and well-being, and flexible working models help ensure that everyone - regardless of background - feels included and can run at their best. At NS2 Mission, we believe we are made stronger by the unique capabilities and qualities that each person brings to our company, and we invest in our employees to inspire confidence and help everyone realize their full potential. We ultimately believe in unleashing all talent and creating a better world. NS2 Mission is committed to the values of Equal Employment Opportunity and provides accessibility accommodations to applicants with physical and/or mental disabilities. Qualified applicants will receive consideration for employment without regard to their age, race, religion, national origin, ethnicity, age, gender (including pregnancy, childbirth, et al), sexual orientation, gender identity or expression, protected veteran status, or disability, in compliance with applicable federal, state, and local legal requirements. #J-18808-Ljbffr NS2 Mission
$150k - $165k
...Overview Systems Administrator Herndon, VA TS/SCI with Poly At Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical IT solutions, producing actionable intelligence, or developing cutting edge technology, we succeed because...Suggested$150k - $180k
...to other position specific requirements which may impact salary. Position Overview Amatriot is seeking an experienced Senior Systems Administrator to support the National Programs Intelligence Systems & Application Operating Unit. The SITE III ITS Task Order effort is...SuggestedFull timeLocal areaWeekend work- ...Overview VTG is seeking a skilled Systems Administrator to manage, maintain, and support enterprise IT infrastructure. This role is responsible for ensuring the reliability, security, and performance of servers, networks, and systems while supporting day-to-day operations...Suggested
- Responsibilities Support the National Programs Intelligence Systems & Application Operating Unit. Perform installation,... ...with 3+ years of experience. Proven experience in system administration, specifically with Linux, including RHEL and Ubuntu, and UNIX...Suggested
- ...extensive experience and effective approach, ensuring that we lead with both innovation and integrity. The Position Senior System Administrator provides Tier I/II/III systems administration and IT operations support within classified environments. This role delivers subject...SuggestedRelocationDay shift
$92.3k - $166.85k
Description Are you ready to be the technical backbone of a mission that matters? Leidos is seeking a highly motivated Senior Systems Administrator/Help Desk Engineer to support a cutting-edge Agile software development program, Chinook, for an Intelligence Community...Contract workLocal areaImmediate startShift workDay shiftAfternoon shift- ...requirements and track completion through the automated tracking system. Create user accounts. Manage network email services.... ...the NRO enterprise (COMM). Qualifications 5 years of system administration experience or related technical IT experience. Experience with...Work at office
- MANTECH seeks a motivated, mission-oriented Intermediate Systems Administrator to join our team in Chantilly, VA. As the Systems Administrator, you will be responsible for providing a full range of Tier 2/3 IT support services and expertise to customer activities. You...
- Position Overview We are seeking a highly skilled Systems Administrator to support mission‑critical systems in a secure environment. The ideal candidate has strong experience with cloud infrastructure, automation, CI/CD, and Linux administration, and thrives in a fast‑paced...Full time
$130k
...Employee and Family and 401k up to 8% match and more. Location: Chantilly, VA DESCRIPTION Our client has an opening for a System Administrator to support the National Security Sector, to provide technical expertise and to operate and maintain the IT environment. RESPONSIBILITIES...- MANTECH seeks a motivated, mission-oriented Senior Systems Administrator to join our team in Chantilly, VA. As a Senior Systems Administrator you will be responsible for providing a full range of Tier 2/3 IT support services and expertise to customer activities, as well...
- Overview Systems Administrator - COMSEC at KBR, Inc. The National Security Solutions team provides high-end engineering and advanced technology solutions to customers in the intelligence and national security communities. In this SETA role, you will perform Systems Administration...Flexible hours
- ...About the Role Redhorse transforms the way government uses data and technology to support its mission. We are seeking an elite System Administrator to serve as the technical authority for the design, development, and deployment of a mission‑critical web‑based internal...Contract work
- Systems Administrator Location: Herndon, VA Experience: Midlevel /Senior Required US Citizenship Manage the Sponsor’s Research and Development (R&D) environment in the Sponsor’s cloud environments. Provide level O&M services, troubleshooting, system backup and restore...
$55k - $75k
We are seeking a motivated Systems Administrator to support and maintain our enterprise IT environment. This role is ideal for someone with solid foundational experience in Microsoft services, endpoint management, and hardware administration who is ready to broaden their...Full timeTemporary workFlexible hours- Fulcrum Vets is looking to add a Senior Systems Administrator with expertise in supporting Windows Server Active Directory environments to join our team. This position will play a key role in the management, optimization, securing, and troubleshooting of environments, ensuring...Full timeWork experience placementFlexible hours
- ACTIVE TS/SCI WITH FULL SCOPE POLY REQUIRED*** Job Description The Systems Engineer (Storage) evaluates, implements and maintains Storage Area Networks (SANs) and storage systems across enterprise platforms. Responsibilities include the evaluation, design, implementation...
- Overview Job Title: Senior Systems Administrator Department: IT / Engineering Reports To: RSekure Program Manager Location: Chantilly, VA Schedule: Monday - Friday Hours: Full-time, 40-hours/week Clearance Req: TS/SCI - Full-Scope Polygraph Summary RSekure is seeking a...Full timeFor contractorsWork experience placementWork at officeLocal areaMonday to Friday
- Overview Systems Planning and Analysis, Inc. (SPA) delivers high-impact technical solutions to complex national security issues. With over 50 years of business expertise and consistent growth, we are known for continuous innovation for our government customers, in both...Remote work
- Job Title: System Administrator Department: Operations - Services Reports To: RavenTek Program Manager Location: Chantilly, VA Schedule: Monday - Friday Hours: Full-time, 40-hours/week FLSA Status: Hourly, Nonexempt Clearance: TS/SCI CI Poly Position Summary The...Hourly payFull timeContract workWork experience placementWork at officeMonday to Friday
- Overview Job Title: Systems Administrator Location: Herndon, VA (Hybrid: 3 days/week onsite: Tuesday, Wednesday, Thursday) Type: 6+ months Contract Rate: $Open /hr. Job Description The ideal candidate is a reliable, hands-on Microsoft 365 administrator with strong troubleshooting...Contract workWork at office3 days per week
$85k - $95k
Macdill AFB, Florida, United States Position Title: Systems Administrator Iron Bow Technologies is for people who believe trust is paramount, transformation is embraced, and the future is here, because "What we do matters"! We are a next generation solutions provider...Contract workShift work$112k - $179k
Systems Administrator Job Locations US-VA-Herndon | US-DC-Washington | US-MD-Riverdale Requisition ID 2025-154686 Position Category Information Technology Clearance Top Secret/SCI w/Poly Responsibilities Job Summary : We are seeking a highly skilled and experienced...For contractors$92k - $185k
Security Clearance Active TS/SCI with FS Polygraph required Position Apogee's ideal Systems Administrator will provide support for a comprehensive suite of applications. The necessary support & services include systems administration & Tier 2 help desk support in a 24/7...Temporary workFlexible hoursShift work- Employment Type Full Time, Senior-level Department Legal/IT Overview CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated, highly skilled, and creative people...Full timeContract workFor contractorsWork at office
$112.45k - $203.28k
Description Leidos is seeking a System Administrator for a technical development program supporting the Sponsor’s Attribute Services within the IDAM/ICAM space. As a System Administrator on this program, you will design, develop, implement, and maintain a Cloud-Native...- Senior Systems Administrator II Employment Type: Full Time, Senior-level - Department: Legal/IT Overview CGS is seeking a Senior Systems Administrator to support technical initiatives for a large Federal agency, ensuring systems meet client needs and comply with policy....Full timeContract workFlexible hours
$86.6k - $181.8k
Job Title: Systems AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI... ...of Travel Required: NoneType of Travel: None* * * The Systems Administrator that has IT Service Management (ITSM) platform administration...Contract workWork experience placementFlexible hoursShift work- ...ability to identify, address, and act - no matter what challenges arise. Evans & Chambers Technology seeks a highly qualified Systems Administrator to join a mission-focused team that maintains applications, services, microservices, Platform as a Service (PaaS), and...Work experience placementLocal area
- ...Description REQUIRED: Active TS/SCI with Full Scope Polygraph LOCATION: Full-time onsite in Herndon, VA Step into a role as a Systems Administrator where you’ll manage a cloud‑based R&D environment, deliver responsive O&M support, and assist with application integration...Full time
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