IT Systems Administrator
System High Corporation
About System High 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. Position Overview 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 Responsibilities System Administration & IT Support Administer and maintain IT systems, including: Workstations (e.g., laptops) 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 System support requests Cybersecurity & Compliance 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 Ensure systems meet required security standards in coordination with enterprise IT and cybersecurity teams Systems Monitoring & Performance 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 Process Improvement & Documentation 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 Collaboration & Coordination Work closely with enterprise IT organizations (e.g., CIO teams) to ensure: System compliance Security accreditation Integration with broader IT infrastructure Support continuous improvement of IT services and system capabilities Qualifications Required Qualifications Bachelor's degree in Information Technology, Computer Science, Cybersecurity, Computer Engineering, Information Systems, or related field + 3 years of relevant experience High School Diploma + 5 years of relevant experience Experience in IT systems administration, cybersecurity compliance, system troubleshooting and user support, incident response Certification in 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. 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. #J-18808-Ljbffr System High Corporation
$80k - $95k
Overview Edgewater Federal Solutions is currently seeking a detail-oriented IT System Administrator with Cyber Security experience to support our federal customer in the Washington DC area. The candidate will work with the government customer to support the review and implementations...SuggestedContract workWork experience placementWork at officeLocal area1 day per week$95k - $125k
IT Systems Administrator - Falls Church, VA Reports to the regional IT Manager and provides day‑to‑day administrative support for the IT department. Selected candidates will maintain Top Secret clearance with SCI access, including a CI Polygraph, and support classified...SuggestedWork at officeLocal area- Overview 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...SuggestedFull timeFor contractorsFlexible hours
- Edgewater Federal Solutions seeks a detail-oriented IT System Administrator with Cyber Security experience. This hybrid role in Washington DC requires collaboration with government customers on system security implementations and reviews. The ideal candidate will have expertise...Suggested
- A federal service provider in Arlington, VA, is seeking a dedicated Senior Discovery IT System Administrator for a full-time position. The successful candidate will ensure the availability of electronic discovery applications and manage various systems, with a focus on...SuggestedFull time
- Ntiva, Inc in Washington, D.C., is hiring a Systems Administrator II to provide onsite technical support to clients, manage network infrastructure, and ensure seamless IT operations. The role involves building relationships with clients, troubleshooting issues, and maintaining...
- SpaceX in Washington, DC is seeking a Sr. IT Systems Administrator to manage enterprise-level IT systems, focusing on Microsoft technologies, networking, and Linux. The role involves collaborating with IT teams to design and implement solutions that meet the needs of SpaceX...
- A federal solutions provider is seeking an IT System Administrator with Cyber Security experience to support federal customers in Washington DC. The role involves hardening operating systems and applications, reviewing controls in compliance with NIST standards, and maintaining...1 day per week
- Arete is seeking an IT Systems Administrator in Arlington, VA. This role involves maintaining classified and corporate networks and providing day-to-day administrative IT support. Candidates need experience managing domain services in a Windows Server environment and advanced...
- CGS is seeking a dedicated Discovery IT System Administrator to join a fast-paced, hard-working team supporting electronic discovery applications and related tools in a government-focused portfolio. The role covers administration of Windows Server and SQL environments,...
$95k - $120k
...is actively developing the technologies to make this possible, with the ultimate goal ofenabling human life on Mars. SR. IT SYSTEMS ADMINISTRATOR (TOP SECRET CLEARANCE) SpaceX is looking for a Sr. Systems Administrator with deep knowledge and broad experience across Microsoft...Permanent employmentTemporary workFlexible hoursWeekend work- Discovery IT System Administrator CGS is seeking a dedicated Discovery IT System Administrator to join a fast‑paced and hard‑working team to assist with any legal accounts. As a Discovery IT System Administrator, you will play a key role in supporting various aspects of...Full timeFlexible hours
- System High Corporation in Arlington, Virginia, is seeking an IT Systems Administrator to maintain and support enterprise IT systems. Candidates should have a Bachelor’s degree in IT or a related field with at least three years of relevant experience, or a High School...
- ...Computational Physics, Inc. (CPI) is seeking a Senior Linux System Administrator to support our customers at the United States Naval Observatory... ...desirable Education & Certifications Bachelor's degree in IT, CS, or related field CompTIA Security+ CE Active Top Secret...Temporary workRemote workFlexible hours
- Kroll is seeking a skilled Linux-focused System Administrator (Level 2) for an on-site role at Fort Meade, MD. This mission-critical position within the Intelligence Community requires a TS/SCI clearance with an active Full Scope Polygraph. Your responsibilities will include...
- ...Clearance Required Bachelor’s Degree in Computer Science or related discipline plus 2-4 years of professional experience as a Systems Administrator or similar technical role. Proactive self-starter demonstrating a positive, willing attitude and excellent oral and written...Contract workTemporary workWork at officeShift workNight shiftDay shift
$75k - $112k
...-Rex Solutions is seeking a skilled and experienced Linux Administrator to join our IT Operations supporting the US Department of the Treasury TCloud... ...extensive experience in managing and maintaining Linux systems across various cloud platforms, including AWS, Azure,...Immediate start- A leading technology services provider is seeking an experienced Linux-focused System Administrator for an onsite position in Washington, DC. The role requires an active TS/SCI clearance with Full Scope Polygraph. Responsibilities include maintaining a complex Linux-based...
$112k - $179k
Linux Systems Administrator Job Locations US-VA-Herndon | US-DC-Washington | US-MD-Riverdale Location & Clearance Location: Washington D.C., Maryland... ...mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions...Contract workFor contractorsImmediate startShift work- ...maintain RHEL server environments. Ensure system availability, performance, and... ...5+ years of experience in Linux system administration in enterprise or government environments... ...supporting DLA, DoD, or federal enterprise IT environments. Strong AWS skills. Proficiency...
- 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...
- ...bright and transformative. Our expertise spans Enterprise IT, Mission IT and Cyber. With our global footprint, we... ...Engineer provides senior-level engineering and administration support for Red Hat/Linux-based systems. The position supports monitoring, management, and integration...Contract workDay shift
- ...Applicants must have an active Top Secret Clearance to be considered. Perform the installation, configuration, administration, and maintenance of Red Hat Linux systems according to existing standards in a virtualized environment. Design and develop complex, integrated...
- ...being willing to obtain, U.S. Citizenship Required) The Linux Systems Administrator will be responsible for administering and supporting RHEL... ...interventions, and increasing operational efficiency. Work closely with IT security teams to ensure endpoints are fully patched and...Work experience placement
- ...role requiring active Top Secret Clearance. The incumbent will be responsible for the installation and maintenance of Red Hat Linux systems, designing solutions, and providing technical leadership to team members. The ideal candidate should possess a Bachelor's degree...
- ...portfolio of offerings includes high-end solutions in systems engineering and integration, enterprise IT, including cloud services: cyber, software,... ...seeking experienced Microsoft SQL Server Database Administrators (multiple openings) to operate and maintain consolidated...Local area
- Linux Systems Administrator BCMC, a small business specialized in IT and cybersecurity, is supporting a U.S. Government customer to provide onsite incident response to civilian Government agencies and critical asset owners that experience cyber‑attacks. This role seeks...Full timeLocal areaFlexible hours2 days per week3 days per week
- Company Overview By Light Professional IT Services LLC readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals... ...By Light has an opening for a Sr. Systems Administrator (Linux/Unix) position supporting the Army...Contract workWork experience placementRemote workWorldwide
- The United States Agency for Global Media (USAGM) seeks a senior IT Specialist (Applications Software) to lead as a System Administrator and Broadcast IT Architect. This position is vital for designing, integrating, managing, and sustaining digital media broadcast systems...
- Senior Systems Engineer with hands-on experience in deploying, configuring, maintaining and supporting the Linux environment. The... ...provision server with memory, disk and CPUs Provide System Administration (SA) and assist client troubleshooting application running on...
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