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# Information System Security Officer (ISSO) - Mid / Senior Level

- **Company:** Constellation Technologies, Inc.
- **Location:** Laurel, MD, United States
- **Experience:** Experienced
- **Salary:** $170,000.0 - $215,000.0
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, Communications Protocols, Cyber Security, Information Security Management, Software Engineering, Software Systems, Data Processing, Software Security, Information Technology
- **Published:** June 18, 2026
- **Apply:** https://www.clearancejobs.com/jobs/8983166/information-system-security-officer-isso-mid-senior-level

## About the Role

* Must be a US Citizen.
 * Must have TS/SCI clearance w/ active polygraph (Polygraph must be within the last five (05) years).
 * At least twelve (12) years of direct/relevant experience
 * Bachelor's degree in Computer Science, Information Assurance, Information Security, System Engineering or related discipline from an accredited college or university is required.
 * Four (04) years of additional relevant experience on projects with similar processes may be substituted for a bachelor's degree.
 * Security+ Certification or Security X (previously known as the CASP+) Certification required
 * Must have experience as ISSO working independently, and/or on teams maintaining secure information system operations in isolated, connected and standalone environments.
 * Must have at least five (05) years of experience using tools to support IAVA management.
 * Must have at least five (05) years of experience using tools to support the preparation, maintenance, and management of SSPs and other security related documentation.
 * Demonstrated knowledge of and experience with several of the following: current security tools; hardware/software security implementation; communication protocols; encryption techniques/tools.
 * In-depth experience completing security evaluations of software systems or architectures to ensure they meet security requirements.
 * In-depth experience proposing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies, preferably on a large software or IT program.
 * Demonstrated experience performing day-to-day security operations of large, complicated information and information processing systems.
 * Must be committed to developing and adhering to best practices.
 * Must possess a high level of self-initiative and must be a solutions-oriented team player.
 * Must have excellent interpersonal skills.

These Qualifications Would Be Nice to Have:

 * Extensive experience as an Information Systems Security Officer on large software development and integration programs.



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