> Markdown version of [/jobs/ext/4715835-information-systems-security-officer-isso-mid](https://www.wearedevelopers.com/jobs/ext/4715835-information-systems-security-officer-isso-mid). 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) - Mid - **Company:** Peraton Inc - **Location:** Winchester, VA, United States - **Experience:** Experienced - **Salary:** $112,000 - $179,000 - **Contract:** Permanent contract - **Skills:** Cloud Computing, Cloud Computing Security, CompTIA Security+, Cyber Security, Information Systems, Information Security Management, Microsoft Security Essentials, Package Development Process, Software Engineering, Information Technology, Plan of Action and Milestones, Vulnerability Analysis - **Published:** November 14, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9313348/information-systems-security-officer-isso-mid ## About the Role * Top Secret security clearance upon hire. The selected candidate must be eligible to obtain/maintain a TS/SCI clearance and successfully complete a polygraph examination if required by the customer. Must be a U.S. Citizen. * Bachelor's Degree in Cybersecurity, IT, Computer Science, or related field. Additional years of experience may be considered in lieu of degree. * Minimum 5 years in information system security at a cleared facility + Must meet applicable DoW 8140.03 qualification requirements for Information Systems Security Manager (Work Role 722), Intermediate proficiency level, through at least one of the following: o Certification: CCISO - Certified Chief Information Security Officer; CCSP - Certified Cloud Security Professional; CGRC/CAP - Certified in Governance, Risk, and Compliance (Formerly known as CAP); CISSO - Certified Information Systems Security Officer; Cloud+ - CompTIA Cloud plus; GCSA - GIAC Cloud Security Automation; GMON - GIAC Continuous Monitoring; GSEC - GIAC Security Essentials Certification; Security+ - CompTIA Security plus; SecurityX / CASP+ - CompTIA SecurityX (Formerly known as Advanced Security Practitioner plus [CASP+]); SSCP - Systems Security Certified Practitioner; OR o Education: Bachelor's degree or higher in Computer Science, Cybersecurity, Data Science, Information Systems, Information Technology, Software Engineering, or a closely related field aligned with the applicable work role requirements under DoDM 8140.03; OR o Training: Qualifying DoD-approved trainings o # Advanced-proficiency certifications (CISSP, CISM) also satisfy this requirement ## Description Peraton is seeking a Mid-Level ISSO to serve as ISSO for assigned systems. The Mid ISSO applies expertise across multiple complex security assignments, independently executing core ATO lifecycle tasks., * Serve as ISSO for assigned systems; execute ATO package development, POA&M management, vulnerability scanning, and compliance reporting * Support ATO pipeline: collect evidence, draft SSP sections, conduct STIG reviews, update control descriptions as system changes * Compile FISMA metrics and prepare recurring compliance reports; coordinate with system owners on security operations