Information Systems Security Officer I (ISSO I) with Security Clearance

Description At System High Corporation-a Top Washington-Area Workplace (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. If you're driven by national security, innovation, and integrity, we want to hear from you. The ISSO is responsible for ensuring the appropriate operational security posture is maintained for an information system and as such, works in close collaboration with the ISSM and ISO. The position shall have the detailed knowledge and expertise required to manage the security aspects of an information system and, in many organizations, is assigned responsibility for the day-to-day security operations of a system. This also will include physical and environmental protection, personnel security, incident handling, and security training and awareness. It will be required to work in close coordination with the ISSM and ISO in monitoring the information system(s) and its environment of operation to include developing and updating the authorization documentation, implementing configuration management across authorization boundaries. This will include assessing the security impact of those changes and making recommendation to the ISSM. The primary function is working within Special Access Programs (SAPs) supporting Department of Defense (DoD) agencies, such as HQ Air Force, Office of the Secretary of Defense (OSD) and Military Compartments efforts. The position will provide "day-to-day" support for Collateral, Sensitive Compartmented Information (SCI) and Special Access Program (SAP) activities Performance shall include:

• Assist the ISSM in meeting their duties and responsibilities
• Prepare, review, and update authorization packages
• Ensure approved procedures are in place for clearing, sanitizing, and destroying various types of hardware and media
• Notify ISSM when changes occur that might affect the authorization determination of the information system(s)
• Conduct periodic reviews of information systems to ensure compliance with the security authorization package
• Coordinate any changes or modifications to hardware, software, or firmware of a system with the ISSM and AO/DAO prior to the change
• Monitor system recovery processes to ensure security features and procedures are properly restored and functioning correctly
• Ensure all IS security-related documentation is current and accessible to properly authorized individuals
• Ensure audit records are collected, reviewed, and documented (to include any anomalies)
• Attend required technical and security training (e.g., operating system, networking, security management) relative to assigned duties
• Execute the cyber security portion of the self-inspection, to include provide security coordination and review of all system assessment plans
• Identify cyber security vulnerabilities and assist with the implementation of the countermeasures for them
• Prepare reports on the status of security safeguards applied to computer systems
• Perform ISSO duties in support of in-house and external customers Qualifications Experience:
• 1 - 2 years related experience
• Prior performance in roles such as System or Network Administrator Education:
• Bachelor's degree or equivalent experience (4 years) Certifications:
• Must meet position and certification requirements outlined in DoD Directive 8570.01-M for Information Assurance Technician Level I (IAT I) or Information Assurance Manager I (IAM I) within 6 months of the date of hire Security Clearance:
• Current Top-Secret Clearance with SCI Eligibility
• Eligibility for access to Special Access Program Information
• Willingness to submit to a Counterintelligence polygraph Other Requirements:
• Must be able to regularly lift up to 50 lbs. 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 their whole self 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
• Legal 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.