IT Systems Administrator Security Clearance
Job in
Arlington, Arlington County, Virginia, 22201, USA
Listed on 2026-06-12
Listing for:
System High Corporation
Full Time
position Listed on 2026-06-12
Job specializations:
-
IT/Tech
Cybersecurity, IT Support, Systems Administrator, IT Consultant
Job Description & How to Apply Below
Description This 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. Please note that this position requires an active TS/SCI security clearance with a Full Scope (FS) Polygraph.
No exceptions. 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. 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.
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
* 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…
To View & Apply for jobs on this site that accept applications from your location or country, tap the button below to make a Search.
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).
Search for further Jobs Here:
×