IT Systems Administrator

SYSTEM HIGH CORPORATION • Arlington, VA

2d • Onsite

About The Position

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.

Requirements

• 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
• Security+, CISSP, or equivalent certification
• Active TS/SCI with Full Scope Polygraph

Nice To Haves

• Master’s degree in a related field
• Experience supporting IT systems within Intelligence Community (IC) environments
• Familiarity with secure and regulated IT environments

Responsibilities

• 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
• 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
• 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 (e.g., CIO teams) to ensure: System compliance, Security accreditation, Integration with broader IT infrastructure
• Support continuous improvement of IT services and system capabilities

Benefits

• System High is a Military friendly employer.
• 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 [email protected].

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level