> Markdown version of [/jobs/ext/4624949-isso](https://www.wearedevelopers.com/jobs/ext/4624949-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). --- # Isso - **Company:** ClearFocus Technologies - **Location:** Lakewood, CO, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Xacta, Software Documentation, Cyber Security, Data Security, Internet Security, Information Technology Security Auditing, Vulnerability Analysis - **Published:** November 7, 2026 - **Apply:** https://www.careerbuilder.com/job-details/isso-lakewood-co--f48200be-c7d4-4ef0-a063-5e09249747e8 ## About the Role Clearance Requirements Top Secret and SCI/Q eligibilityEducation Bachelor's degree or higher ## Description ClearFocus Technologies, a HUBZone certified company, is located in Leesburg, VA. We specialize in cybersecurity and support multiple government and commercial clients for a variety of missions. We value our clients, integrity and employees and believe a single person can make a difference! We are seeking a candidate for an ISSO opportunity that PART-TIME in Denver, Colorado. The following high-level tasks identify the most significant efforts required of the ISSO, however the roles cover a breadth of additional work as required in NIST 800-37, NIST 800-53, and the equivalent ICD documents for classified systems. * 4+ years of experience of Information Assurance or Cybersecurity experience. * Obtain Authority to Operate (ATO) for new enclave within FNE * Maintain ATO for new enclave within FNE * Update System Security Plans (SSP) and other required documentation in Xacta * Conduct vulnerability assessments and coordinate remediation actions * Develop Plans of Action and Milestones (POAM) to mitigate risks, or document risk acceptance * Maintain list of Ports, Protocols, and Services (PPS) for systems * Update system documentation when changes occur * Conduct significant security change reviews for systems as new sites come online * Review security audit logs * Review, vet, and approve hardware and software additions and changes to the system * Coordinate with and CYSOC on security events, incidents, and response actions * Conduct and facilitate data transfers for the enclave * Communicate and coordinate with Lab and Site ISSO and ISSM staff for enclaves. * Develop Interconnection Security Agreements (ISA) as needed * Support required security training and administrative paperwork including Rules of Behavior, Removable Media training, and other mandatory training and agreements for system access.