Information Systems Security Officer (ISSO) I

Company: GD Information Technology
Location: Tucson
Posted on: April 2, 2026

Job Description:

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI Polygraph Public Trust/Other Required: None Job Family: Cyber and IT Risk Management Job Qualifications: Skills: Information Security, Information Security Management, Information System Security Certifications: None Experience: 1 years of related experience US Citizenship Required: Yes Job Description: Information Systems Security Officer (ISSO) I 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 Department (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 Experience: 1 years related experience SAP experience desired Prior performance in roles such as System or Network Administrator Education: Bachelor’s degree OR Associate’s degree in a related area 2 years’ experience OR equivalent experience (4 years) Certifications: IAT Level I or IAM Level I (Security CE, CCNA Security, etc.) Security Clearance: TS/SCI required Must be able to Attain – TS/SCI with CI Polygraph AirforceSAPopportunities The likely salary range for this position is $82,195 - $111,205. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range. Scheduled Weekly Hours: 40 Travel Required: None T elecommuting Options: Onsite Work Location: USA AZ Tucson Additional Work Locations: Total Rewards at GDIT: Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most. We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology. Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc . Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Keywords: GD Information Technology, Tempe , Information Systems Security Officer (ISSO) I, IT / Software / Systems , Tucson, Arizona