> Markdown version of [/jobs/ext/4013382-information-systems-security-officer-isso](https://www.wearedevelopers.com/jobs/ext/4013382-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:** Macpower Digital Assets Edge LLC
- **Location:** Annapolis, MD, United States
- **Experience:** Expert
- **Contract:** Contract
- **Skills:** Xacta, Systems Engineering, Cyber Security, Data Security, Platform as a Service (PAAS), Cloud Services, Zero Trust Network Access, Trusted Systems, Splunk, Plan of Action and Milestones
- **Published:** October 29, 2026
- **Apply:** https://www.thejobnetwork.com/job/0398442a-0d0d-4dde-ae50-c957a68c9c83/information-systems-security-officer-isso

## About the Role

* Experience: 13 years of experience in Software/Systems Engineering or a related field (Education substitutions apply: 9 years with a Bachelor's or 7 years with a Master's degree).
 * Clearance: Active TS/SCI with an active CI Polygraph.
 * Certification: Current IAT Level II or III certification (e.g., Security , CISSP, CASP , or CISM).
 * Technical Proficiency: Expert knowledge of XACTA, Splunk, and DIA's Risk Management Framework (RMF) process.
 * Frameworks: Hands-on experience with ICD 503 and NIST 800-53 security requirements.
 * Documentation: Proven ability to create and manage SSPs, SAPs, and POA&Ms.
 * Environment: Ability to work full-time onsite in a Sensitive Compartmented Information Facility (SCIF) with flexible hours.

Desired Attributes:

 * Prior experience specifically as an ISSO or ISSE on large-scale government programs.
 * Demonstrated leadership in guiding cybersecurity teams and managing complex initiatives.
 * Strong communication skills with the ability to translate complex technical concepts for leadership and customer stakeholders.

## Description

* Conduct comprehensive technical security assessments and contribute to the design of secure systems.
 * Manage risk and ensure system security compliance through the entire program life cycle.
 * Collaborate with application leads, DBAs, developers, and testers to achieve and maintain Authority to Operate (ATO).
 * Develop and maintain critical security documentation, including System Security Plans (SSP) and Plans of Action and Milestones (POA&M), using XACTA.
 * Lead Interim Authority to Test (IATT) and ATO efforts by coordinating with stakeholders, cyber teams, and Authorizing Officials (AO).
 * Implement and validate NIST 800-53 controls within cloud-native Data Platform as a Service (DPaaS) environments.
 * Apply Zero Trust principles to secure data services, specifically focusing on identity, segmentation, and flow control.
 * Support security assessment events and respond to technical inquiries from ISSMs and Security Control Assessors (SCA).