Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

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

Please be aware many of our positions require the ability to obtain or maintain a U.S security clearance which requires U.S citizenship.

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. If you are interested in applying for employment with NS2 Mission and are in need of accommodation or special assistance to navigate our website or to complete your application, please send an e-mail with your request to Recruiting Operations Team: View email address on click.appcast.io.

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.
Vacancy posted 1 day ago
Similar jobs that could be interesting for youBased on the Systems Administrator in Chantilly, Loudoun County, VA vacancy
  • $131.3k - $237.35k

     ...of Commercial off the shelf (COTS), Government off the shelf (GOTS), and custom applications, as well as a large data lake. The system has on-premises components deployed at multiple data centers, as well as use of commercial cloud resources. The Linux Engineer will... 
    Suggested
    Full time
    Work at office

    Leidos

    Chantilly, Loudoun County, VA
    3 days ago
  • $85k - $141.6k

     ...Intermediate Systems Administrator Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with... 
    Suggested
    Hourly pay
    Contract work
    Temporary work
    Work experience placement
    Local area
    Remote work

    ManTech

    Chantilly, Loudoun County, VA
    2 days ago
  • $60k - $180k

     ...Cloud Migration, Applications and Infrastructure, Software Development, and Finance & Accounting. M9 Solutions is seeking a System Administrator to work onsite in support of a government contract for a client located in Chantilly, VA . An active TS/SCI clearance... 
    Suggested
    Full time
    Contract work
    For subcontractor
    Flexible hours
    Night shift

    M9 Solutions

    Chantilly, Loudoun County, VA
    3 days ago
  •  ...Senior Systems Administrator Employment Type: Full Time, Senior-level 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... 
    Suggested
    Full time
    Contract work
    For contractors
    Work at office
    Flexible hours

    Contact Government Services LLC

    Chantilly, Loudoun County, VA
    3 days ago
  •  ...Senior Systems Administrator II Employment Type: Full Time, Senior-level 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... 
    Suggested
    Full time
    Contract work
    For contractors
    Work at office
    Flexible hours

    Contact Government Services LLC

    Chantilly, Loudoun County, VA
    3 days ago
  • 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 time
    Work experience placement
    Flexible hours

    Fulcrum Vets

    Chantilly, Loudoun County, VA
    2 days ago
  • Overview We are 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... 

    VTG Defense

    Chantilly, Loudoun County, VA
    17 hours ago
  • 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... 

    MANTECH

    Chantilly, Loudoun County, VA
    3 days ago
  •  ...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

    Redhorse Corporation

    Chantilly, Loudoun County, VA
    17 hours ago
  • 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

    Ardent Principles Inc

    Chantilly, Loudoun County, VA
    2 days ago
  • We are Seeking a Senior Systems Administrator with a minimum of 11 years' experience. Undergraduate or graduate degree in computer science or computer engineering. Specific skills may include the following: Required Skillsets: 11+ years' experience in systems design and... 

    Agile Business Concepts

    Chantilly, Loudoun County, VA
    5 hours ago
  • 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 time
    Contract work
    Flexible hours

    Cgsfederal

    Chantilly, Loudoun County, VA
    2 days ago
  • $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 work
    Work experience placement
    Flexible hours
    Shift work

    Socket

    Chantilly, Loudoun County, VA
    2 days ago
  • $116.35k - $210.33k

    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... 

    Leidos

    Chantilly, Loudoun County, VA
    1 day ago
  • Title Systems Administrator ID 10000268 Department Information Technology Evans & Chambers partners with the US national defense communityto create fully integrated, resilient, and innovative digital solutions that enable them to make smartdecisions in real-time. We work... 
    Work experience placement
    Local area

    Evans & Chambers

    Chantilly, Loudoun County, VA
    4 days ago
  • $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 work
    Shift work
    Day shift
    Afternoon shift

    Leidos Inc

    Chantilly, Loudoun County, VA
    4 days ago
  •  ...Senior Discovery IT System Administrator Employment Type: Full-Time, Executive-Level CGS is seeking a dedicated Senior Discovery IT System Administrator to join a fast-paced and hard-working team to assist with any legal accounts. As a Senior Discovery IT System... 
    Full time
    For contractors
    Flexible hours

    Contact Government Services LLC

    Chantilly, Loudoun County, VA
    4 days ago
  • Senior Discovery IT System Administrator Employment Type: Full-Time, Executive-Level Department: Legal CGS is seeking a dedicated Senior Discovery IT System Administrator to join a fast‑paced and hard‑working team to assist with any legal accounts. As a Senior Discovery... 
    Full time
    Flexible hours

    Cgsfederal

    Chantilly, Loudoun County, VA
    2 days ago
  •  ...feedback loops to the development team. Review user metrics, system health, and overall performance; implement proactive measures...  ...plus 4-6 years of professional experience as a Systems Administrator or similar technical role. Active Top Secret security clearance... 
    Contract work
    Temporary work

    Trinity Global Consulting LLC

    Chantilly, Loudoun County, VA
    1 day ago
  • $60 - $65 per hour

     ...Immediate need for a talented System Administrator . This is a 06+ Months Contract opportunity with long-term potential and is located in Richmond, VA/McLean, VA (Hybrid) . Please review the job description below and contact me ASAP if you are interested. Job ID... 
    Contract work
    Local area
    Immediate start

    Pyramid Consulting

    McLean, VA
    4 days ago
  • $150k - $180k

     ...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 charged... 
    Full time
    Local area
    Weekend work

    The Amatriot Group

    Reston, VA
    2 days ago
  •  ...one or more of the disciplines described below where specific skills may include the following: Key Responsibilities Systems Administration Provide Tier I & II support for enterprise systems and escalate advanced issues as needed. Troubleshoot server, operating... 

    Sphinx Solutions Inc

    Herndon, VA
    9 hours ago
  • $101k - $178.14k

     ...Job Description • Provide Domain/Systems Administrator Engineer of the Mission LAN, and oversee the maintenance, optimal function, and patching of the LAN's operating system, and the GOTS, COTS, and custom software products running on it. • Perform system startup... 
    Full time
    Temporary work
    For contractors
    Work experience placement
    Work at office
    Flexible hours

    Lockheed Martin Corporation

    Herndon, VA
    2 days ago
  •  ...System Administrator The System Administrator provides system administration for all systems and applications supported by security guidance, orders and directives, identifying and remediating vulnerabilities, implementing and testing security controls, assisting with... 
    Temporary work
    Immediate start
    Flexible hours

    Integral Federal

    McLean, VA
    3 days ago
  •  ...MSP Systems Administrator, Centreville, VA We are seeking a qualified MSP Systems Administrator IT professional with 5-7 years of experience working for a Managed Service Provider (MSP). Be ready to transition into a consultant position, working closely with clients... 
    Work at office
    Remote work

    Next Step Systems LTD

    Centreville, VA
    2 days ago
  •  ...Senior Systems Administrator Securiport LLC is a U.S. company based in Reston, VA, specializing in the design and implementation of passenger biometric recognition, immigration processing, and intelligent information reporting and management systems based on advanced... 
    Contract work
    Local area
    Monday to Friday

    SECURIPORT

    Reston, VA
    1 day ago
  •  ...years relevant work experience Experience with Linux operating system Experience working with Teradata or other data warehouses...  ...Jenkins) Good to Have: At least 7 years experience in Linux Administration (Redhat and CentOS distributions preferred). At least 5 years... 
    Work experience placement

    Samprasoft

    Ashburn, VA
    9 hours ago
  •  ...System Administrator A technology solutions organization supporting mission-critical government environments is seeking a System Administrator to maintain its on-premises and cloud-based infrastructure. This position combines core systems administration with networking... 

    Sparks Group

    Manassas Park, VA
    9 hours ago
  • $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,... 

    Bridge Core

    Herndon, VA
    1 day ago
  • $73.45k - $132.78k

     ...Description Leidos has an opening for a Systems Administrator in Reston Virginia. Responsibilities include installation, configuration, administration, support and maintenance of systems, including associated hardware. Responsibilities may include management of systems... 
    Work experience placement
    Local area
    Immediate start

    Leidos

    Reston, VA
    9 hours ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Systems Administrator. Be the first to apply!