Information System Security Officer, Junior; ISSO

Information System Security Officer, Junior (ISSO)

The Junior Information System Security Officer (ISSO) supports the implementation, documentation, and monitoring of information system security controls in accordance with federal cybersecurity frameworks. This role focuses on assisting with system authorization activities, maintaining compliance documentation, and supporting continuous monitoring efforts.

Location: 100% onsite in Quantico, VA. The position is proposal-based; employment is contingent upon contract award and funding availability.

• Support documentation, testing, and ongoing review of system security controls.
• Assist in ensuring systems are fully scoped with all components and technology stacks accurately inventoried.
• Help articulate the implementation of assigned security controls.
• Support system decommissioning efforts, ensuring proper retirement or cancellation of systems.
• Assist in achieving system authorizations (ATO) in a timely manner.
• Contribute to continuous monitoring activities to ensure compliance consistency.

• Minimum 1+ year of ISSO or ISS Engineer experience in a cleared environment.
• Minimum 1+ year of experience in cybersecurity, information assurance or related field.
• Bachelor’s degree in Cybersecurity, Computer Science, IT or related discipline (an additional 4 years of experience may be considered in lieu of a degree).
• DoD 8570/IAT Level II certification or equivalent (e.g., Security+).
• Familiarity with security tools such as Tenable Nessus / Security Center, Splunk, IBM Guardium, HP Web Inspect, NMAP or similar tools.
• Basic understanding of RMF, NIST 800-53, and federal compliance standards.
• Active Top Secret clearance.

• Exposure to A&A packages and system accreditation processes.

The targeted base salary range for this role is $68,000–$104,000 per year. The final offer will be based on skill set, experience, education, certifications and location.

Applied Information Sciences does not discriminate on the basis of race, national origin, religion, color, gender, sexual orientation, age, disability, protected veteran status or any other basis. Employment decisions are based solely on qualifications, merit and business needs.