> Markdown version of [/jobs/ext/4599489-information-systems-security-officer-ts-sci-w-poly](https://www.wearedevelopers.com/jobs/ext/4599489-information-systems-security-officer-ts-sci-w-poly). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Information Systems Security Officer - TS/SCI w/Poly - **Company:** General Dynamics Information Technology - **Location:** Annapolis Junction, MD, United States - **Experience:** Expert - **Salary:** $107,744 - $138,000 - **Contract:** Permanent contract - **Skills:** Software Applications, Cyber Security, Information Systems, File Systems, Intrusion Detection Systems, Network Architecture, Security Software, Software Deployment, Computer Networking Systems, Vulnerability Analysis, User Accounts - **Published:** November 6, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3494082862&tx=JT9486TYT&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role Information Security,Network Infrastructures,Organizational Security,System Security Certifications: CompTIA A+ - CompTIA - CompTIA - CompTIA Experience: 3 + years of related experience, ? Education: Technical Training, Certification(s) or Degree ? Required Experience: 3+ years of related experience ? Security Clearance Level: TS/SCI w/Poly ? Required Skills and Abilities: communication and problem solving ? Location: On Site ? US Citizenship Required ? Certification: DoD 8570 compliance with IAT Level I or higher is required ## Description Transform technology into opportunity as an Information Security Analyst Senior with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you'll be at the forefront of innovation and play a meaningful part in improving how agencies operate. At GDIT, people are our differentiator. As an Information Security Analyst Senior you will help ensure today is safe and tomorrow is smarter. Our work depends on Information Security Analyst Senior joining our team. HOW AN INFORMATION SECURITY ANALYST SENIOR WILL MAKE AN IMPACT ? Performs all procedures necessary to ensure the safety of information systems assets and to protect systems from intentional or inadvertent access or destruction ? Monitors and analyzes Intrusion Detection Systems (IDS) to identify security issues for remediation ? Conducts regular audits to ensure that systems are being operated securely, and information systems security policies and procedures are being implemented as defined in security plans ? Develops, tests, and operates firewalls, intrusion detection systems, enterprise antivirus systems and software deployment tools ? Researches, evaluates, tests, and implements new security software or devices ? Implements, enforces, communicates, and develops security policies or plans for data, software applications, hardware, telecommunications, and information systems security education/awareness programs ? Performs periodic and on-demand system audits and vulnerability assessments, including user accounts, application access, file system and external Web integrity scans to determine compliance ? Communicates alerts to agencies regarding intrusions and compromises to their network infrastructure, applications, and operating systems