Information Technology​/Assurance Specialist III Security Clearance

Position Summary

This position requires a TS/SCI Clearance and a minimum of two years of Special Access Program Experience. We are a top Washington‑area workplace recognized by The Washington Post (2023‑2025), a Top Workplaces Culture Excellence honoree (April 2025), and a three‑time VETS Indexes 3‑Star Employer. We protect and advance the nation’s most critical missions. As part of our team, you’ll tackle complex security challenges across SAP, SCI, and Collateral programs.

• Establish complex operational software configuration controls and system interfaces for computer system(s) assigned
• Maintain file servers, firewalls, network access, security monitoring systems and system documentation as required
• Analyze and troubleshoot system anomalies to ensure optimum equipment performance
• Prepare system for operational use and support operational tests
• Review, prepare, and update authorization packages
• Notify customer when changes occur that might affect authorization accreditation
• Conduct the cybersecurity portion of the self‑inspection checklist
• Review and provide technical and cyber security coordination on all Bodies of Evidence that make up the authorization package
• Identify any and all vulnerabilities and implement countermeasures
• Ensure information systems and network appliances are operated, maintained, and disposed of in accordance with security policies and practices
• Provide External Information System(s) client support
• Perform account creations, changes, and deletions on multiple authorization boundaries
• Perform hardware/software system configuration, upgrades, and modifications
• Perform system and network appliance patching activities
• Provide Gov‑Issue laptop support
• Assist in media control & accountability activities
• Perform COMSEC account/equipment management activities

• 8-10 years related experience
• Prior performance in roles such as System, Network Administrator or Information Technology/Assurance Specialist
• Bachelor’s degree or equivalent experience (4 years)
• Must meet position and certification requirements outlined in DoD Directive 8570.01‑M for Information Assurance Technician Level II or Information Assurance Manager II within 6 months of hire
• Current Top Secret clearance with SCI eligibility
• Eligibility for access to Special Access Program information
• Willingness to submit to a counterintelligence polygraph
• Thorough knowledge of Microsoft Windows 2012R2 Server, Microsoft Exchange Server 2010/2016, Microsoft Windows 7/10 operating systems administration and associated hardware
• Working knowledge of LAN, WAN, and data backup technologies, including COMSEC integration
• Working knowledge of the Risk Management Framework, Joint DODIIS/Cryptologic SCI Information Systems Security Standards, Common Criteria, and System Security Policy as they relate to C&A
• Knowledge and current relevant experience with PL2 systems; experience with PL3 & PL4 cross‑domain solutions
• Must be able to regularly lift up to 50 lbs.

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 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.

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