IT Systems Administrator
System High Corp
IT Systems AdministratorThis position is in support of a proposal effort and is contingent upon contract award. While this is not an immediate opening, we are proactively identifying qualified candidates for anticipated roles expected to begin around August. Candidates selected for this effort will be contacted as the program moves forward.This position requires an active TS/SCI security clearance with a Full Scope (FS) Polygraph. No exceptions.System High Corporation delivers advanced protection and secrecy solutions to secure and strengthen critical missions, programs, and intelligence activities. We support some of the nation's most sensitive efforts, and our team plays a direct role in protecting what matters most.We are seeking an Information Technology (IT) Systems Administrator to join our team and support mission-critical programs through strong security practices, collaboration, and attention to detail.We are seeking an IT Systems Administrator to support the operation, maintenance, and security of enterprise IT systems in a mission-driven environment.This role is responsible for ensuring systems are secure, compliant, and operating efficiently, while also supporting users, troubleshooting issues, and helping implement technical solutions. You'll work closely with internal stakeholders and enterprise IT partners to maintain system integrity and support ongoing cybersecurity and compliance efforts.Key ResponsibilitiesAdminister and maintain IT systems, including workstations, operating systems, applications, and software licenses.Provide technical support and troubleshooting for system and user issues.Support unclassified IT environments and virtual meeting capabilities.Facilitate service desk requests such as account access, data transfers, and system support requests.Support and maintain compliance with cybersecurity and information assurance requirements.Participate in cybersecurity incident response activities.Assist with compliance assessments, audits, and remediation efforts.Support ongoing Authority to Operate (ATO) processes and documentation.Monitor system performance and track key performance indicators (KPIs).Maintain and update IT inventory and asset tracking systems.Develop and maintain dashboards and reports to support oversight, compliance, and risk tracking.Identify system gaps and recommend improvements.Develop and maintain standard operating procedures (SOPs) for IT systems and processes.Translate user needs into technical requirements and recommend solutions.Support development of technical documentation and system configurations.Assist with plans of action and milestones (POA&Ms) to address system and security gaps.Work closely with enterprise IT organizations to ensure system compliance, security accreditation, and integration with broader IT infrastructure.Support continuous improvement of IT services and system capabilities.QualificationsRequired Qualifications:Education & Experience (one of the following): Bachelor's degree in Information Technology, Computer Science, Cybersecurity, Computer Engineering, Information Systems, or related field + 3 years of relevant experience, OR High School Diploma + 5 years of relevant experience.Experience in IT systems administration, cybersecurity compliance, system troubleshooting and user support, incident response.Certification: Security+, CISSP, or equivalent.Desired Qualifications:Master's degree in a related field.Experience supporting IT systems within Intelligence Community (IC) environments.Familiarity with secure and regulated IT environments.Clearance Requirement:Active TS/SCI with Full Scope Polygraph.Additional Information:This job description is not designed to cover or contain all job duties required of the employee. There may be additional activities, duties, and/or responsibilities that are required for this position that are not listed in this job description.In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire.System High is a Military friendly employer. Our extensive work on behalf of the U.S. government offers those who have served in uniform an opportunity to continue to serve their country in a new and exciting way while enjoying a successful civilian career.System High values the power and strength of diverse backgrounds on the culture and performance of our company. We strive to maintain an inclusive culture to encourage each employee to bring themselves to the mission.System High Corporation is committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender, gender identity or expression, veteran status, or any other characteristic protected by law. We are proud to be an equal opportunity workplace.If you require a reasonable accommodation to apply for a position with us, please email View email address on click.appcast.io notices can be viewed on the following PDFs: Know Your Rights: Workplace Discrimination is Illegal; EPPA Notice; FMLA Notice.Warning: Beware of recruitment scams: System High will never request money or personal purchases during the hiring process. Verify all communications come from a systemhigh.com or msg.paycomonline.com email address. System High Corp
- Position Summary ARB 4x4 Accessories USA is seeking a highly motivated and hands-on IT Systems Administrator / Infrastructure Generalist to support and enhance the organization's technology environment across multiple distribution centers, corporate offices, and remote...SuggestedFull timeRemote work
$80k - $100k
...support cutting-edge network infrastructure and IT assets that keep our operations running... ...Culture: Work closely with engineering, ERP administration, and other departments to ensure seamless connectivity and system reliability. Receive Recognition & Make an...SuggestedWork at officeFlexible hours- ...information aims to provide potential candidates with a better understanding of the requirements for this role. The IT Senior Systems Administrator will support the Office of the Information Technology (OIT)/Finance and Administration to support the agency's IT...SuggestedFor contractorsWork at officeLocal areaRemote work
- IT Systems AdministratorAs an IT Systems Administrator, you will be responsible for the administration, configuration and support of our systems, networks and software.ResponsibilitiesSetting up and configuring new instances of Linux and Windows servers. We are primarily...SuggestedWork at office
- ...LINUX SYSTEM ADMINISTRATOR - Northern Virginia We are seeking an experienced Linux System Administrator to support large-scale Linux enterprise environments operating within highly secure settings. This is an opportunity to work across both traditional infrastructure...SuggestedFull time
$100k - $125k
SMX is seeking a driven and talented Linux Administrator to join our thriving Cloud Business Unit department and work with some of the best... ...of technologies. Our team works with DevOps technologies, systems automation, configuration management, Linux container technologies...Contract workWork experience placementH1b$90.3k - $189.6k
Job Title: Linux System AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: NoneEmployee... ...None* * *The Opportunity:CACI is searching for a Linux System Administrator to support the FEMA Office of the Chief Information Security...Contract workWork experience placementWork at officeFlexible hours$135k - $145k
..., we put each other first. It’s TheIron Bow Way.THE OPPORTUNITY (position overview)Iron Bow Technologies is seeking a Linux Systems Administrator to join our team of Engineers providing onsite Systems Administrator/Virtualization Storage and Network support for our Federal...Contract workShift work$90k - $120k
Company Overview By Light Professional IT Services LLC readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare... ...By Light has an opening for a Sr. Systems Administrator (Linux/Unix) position supporting the Army...Contract workWork experience placementRemote workWorldwide$90.3k - $189.6k
Job Title: Linux Systems AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS... ...: None* * *The Opportunity:CACI is seeking a Linux Systems Administrator to support a long term, multi-year, high performing program. A...Contract workWork experience placementFlexible hours- ...broad spectrum of Risk Management, Compliance, Business Process, IT Effectiveness, Energy & Sustainability, and Talent Management... ...Consulting at DescriptionProSidian Seeks a Energy Data Systems Administrator | Evaluation Support [DOEOP045050] - DPLH Est.: 665.6 Hrs. ST...Full timeContract workTemporary workFor contractorsH1bWork at officeFlexible hours
- ...availability to start) Job Description Mapjects is seeking an IT Admin with Microsoft Exchange Admin The position reports... ...windows operations manager. You shall serve as a primary administrator for all Windows Operations servers - includes Windows Servers,...Full timeWeekend work
$184k - $287.5k
We are seeking a Linux Systems Engineer to join our Infrastructure Engineering team, dedicated to supporting high-performance EDA compute farms. You will be responsible for designing, deploying, and maintaining enterprise-grade Linux environments across RPM-based distributions...Full timeWork experience placementRemote work$125k
...Chenega Professional & Technical Services, LLC, a Chenega Professional Services ’ company, is looking for a RedHat Linux System Administrator to support a federal agency. Our company offers employees the opportunity to join a team where there is a robust employee...$112k - $179k
...Linux Systems Administrator IVPeraton is seeking a Linux Systems Administrator IV to join our team supporting a mission-critical Intelligence Community... ...mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions...Contract workFor contractorsImmediate startShift work- ...Linux Systems AdministratorThe Pentagon, Washington, DC – (On-Site)Salary negotiable (Depending... ...(SDS) is seeking a Linux Systems Administrator (SA) that specializes in working within... ...Staff guidanceProvide helpdesk support and IT support to include troubleshooting,...Full timeLocal area
$118.1k - $200.76k
...cybersecurity standards. Manage OS patching, kernel dependences, and system performance tuning. Support enterprise application hosting,... ..., or similar. Assist with migration, deployment, and administration of Linux workloads in cloud environments (AWS GovCloud, Azure...Full timeWork at officeLocal areaWorldwide- ...Linux Administration PositionDedicated Linux Administration ResourceLinux background to help with some deployments to help with some containers (more administrative in nature)Ansible scripting and playbooksElasticsearch support – they are moving to another platformKubernetes...
$82k - $130k
...Job TitleAMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic... ...compliance vulnerability mitigations.Perform interface Administration, including sFTP, SFG, shell scripting, etc.Support maintenance...For contractors- ...Linux System AdministratorWe are looking for a dedicated and skilled Linux Systems Administrator to join our team and play a vital role in managing and maintaining our Linux-based infrastructure. In this position, you will be responsible for deploying, configuring, monitoring...Temporary workImmediate start
- ...opportunities to improve the infrastructure operations.Review current system topologyDetermine if best practices are being followed for... ...2 years relevant experience.Hands-on experience with RHEL OS administration in a virtualized environment (VMWARE, AWS or AZURE).Experience...
$77k - $163k
...provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet... ...Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and deployment of advanced...Contract workLocal areaImmediate start$100k - $200k
...Linux Systems AdministratorPosition Description: CGI Federal has an exciting opportunity for a Linux Systems Administrator within our Intel sector advancing the national security mission through... ..., and collaborate with other IT teams to support the overall IT environment...- ...Responsibilities Serve as a Linux Systems Administrator overseeing Red Hat Enterprise Linux (RHEL) environments across development, lab, and production systems. Perform large scale configuration management and deployment across Windows, MacOS, Linux/Unix, and other...Local area2 days per week3 days per week
$75k - $155k
...System (Linux) AdministratorComputer Technologies Consultants (CTC) is seeking a System (Linux) Administrator to support our clients' team in San Diego, CA. With offices in Washington DC... ...technology company providing lifecycle IT, data analytics, cloud, agile software...Full timeLocal area- ...Red Hat Linux Systems Engineer (Journeyman)At The One 23 Group, our mission is to set the... ....Our expertise spans Enterprise IT, Mission IT and Cyber. With our global footprint... ...(Journeyman) provides Tier II system administration and operational support for Linux-based...
$118.1k - $200.76k
...cybersecurity standards.Manage OS patching, kernel dependences, and system performance tuning.Support enterprise application hosting, web... ...Terraform, or similar.Assist with migration, deployment, and administration of Linux workloads in cloud environments (AWS GovCloud, Azure...Full timeWork at officeLocal areaWorldwide$160k - $200k
...Description SAIC is seeking a Linux Systems Engineer capable of working with contractors, government personnel, and subject matter... ...and execute on tasks to include, but not limited to, systems administration, systems automation, security audits, and patch management....For contractorsFlexible hours- ...REMOTE WORK, MUST WORK ON SITE High-Level Description: The Systems Administrator supports the server compute environment, ensuring high... ...Server, Linux systems, and virtualization technologies. · Strong understanding of RMF, FISMA, and federal IT standards....Full timeRemote work
$130k - $180k
Celestar, a B&A Company, is seeking a Database/Web System Administrator to support the Defense Advanced Research Projects Agency (DARPA) Program Security Services (PSS) task order. If interested and meet the qualifications, we encourage you to apply for this rewarding...Contract workLocal area
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to IT Systems Administrator. Be the first to apply!
- IT administrator Arlington, VA
- remote systems administrator Arlington, VA
- application system administrator Arlington, VA
- microsoft systems administrator Arlington, VA
- IT infrastructure administrator Arlington, VA
- enterprise administrator Arlington, VA
- server administrator Arlington, VA
- systems administrator Arlington, VA
- system admin Arlington, VA
- computer systems administrator Arlington, VA






