> Markdown version of [/jobs/ext/4629660-information-systems-security-officer-isso](https://www.wearedevelopers.com/jobs/ext/4629660-information-systems-security-officer-isso). 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 (ISSO) - **Company:** POWER3 SOLUTIONS, LLC - **Location:** Fort Meade, MD, United States - **Contract:** Permanent contract - **Skills:** Systems Engineering, Configuration Management, Cyber Security, Firmware, Information Security Management, Information Technology, Nessus, Splunk, Servicenow - **Published:** November 7, 2026 - **Apply:** https://www.juju.com/job/28_25197_dc8215ac4a0769bd3f3f229563a54f6c ## About the Role * TS/SCI with Polygraph * High School Diploma and 10 years of related experienceOR * Bachelor's Degree in Computer Science, IT Engineering, or a related field (may substitute 4 years of experience) * Strong working knowledge of RMF, NIST 800-53 controls, and customer security requirements ## Description * Support the Information System Security Manager (ISSM) in maintaining operational security posture. * Own and manage multiple System Security Plans (SSPs). * Provide technical guidance on system security matters and RMF process compliance. * Obtain and maintain Authority to Operate (ATO) for supported systems. * Assist in developing and enforcing security policies across the customer environment. * Provide configuration management for hardware/software/firmware affecting security. * Communicate effectively with system owners and customers to ensure policy adherence. * Use tools such as eMASS, EXACTA, ACAS/Nessus, Trellis, Splunk, Latte Art, and ServiceNow for assessment and documentation.