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Information System Security Officer (ISSO) with Top Secret/SCI C with Security Clearance
CALNET, Inc.Huntsville, AL🇺🇸United StatesPosted 6 Aug 2026
Quick Overview
Work Type
On Site
Schedule
Employee
Level
Mid Senior
Job Description
Founded in 1989, CALNET, Inc. has become one of the fastest growing privately held companies in the Technology, Intelligence Analysis, and Language Services consulting arena. Headquartered in Reston, VA, CALNET employees deliver true value to our customers by employing best practices, world-class technologies industry expertise in every project. CALNET is ISO 9001, ISO 20000, and CMMI-Level III certified . As a Prime Government Contractor for a major government institution, we are currently searching for a talented Information System Security Officer (ISSO) with Top Secret/SCI Clearance to work in Huntsville, Alabama Job Requirements CALNET is looking for an Information System Security Officer that is responsible for guiding IT systems through the entire Risk Management Framework (RMF) lifecycle to achieve and maintain the Authority to Operate (ATO). Key Responsibilities * RMF Execution: Lead all aspects of the RMF process, from system categorization and security control selection to implementation and assessment. * Security Documentation: Develop, maintain, and update all required RMF documentation, including the System Security Plan (SSP), Security Assessment Report (SAR), and Plan of Action & Milestones (POA&M). * eMASS Management: Manage the system's security posture within the Enterprise Mission Assurance Support System (eMASS), ensuring all data is accurate and up to date. * Continuous Monitoring: Implement and manage a robust continuous monitoring strategy to actively assess security control effectiveness, track vulnerabilities, and manage configuration changes.
* Stakeholder Coordination: Serve as the primary security advisor to the system owner and liaise with the Authorizing Official (AO) and other key stakeholders to ensure a clear understanding of system risks and compliance status. Certifications (Required): * CompTIA Security+, CCNA, RHCSA, MCSA or any IAT Level II cert Typical Educational/Experience Requirements * A Bachelor’s degree from an accredited institution in Information Technology, Cybersecurity, Business Management, or a related field; or experience equal to.US Citizen
* Active Top Secret/SCI Clearance
* Experience: Minimum 5+ years of hands-on experience dedicated to applying RMF to complex DoD IT systems. * Technical Skills: Demonstrated mastery of eMASS, vulnerability scanning tools (e.g., ACAS/Nessus), COMSEC, and security compliance checkers (e.g., SCAP).
This opportunity is onsite in Huntsville, Alabama CALNET, Inc. offers a competitive salary and a generous benefits package. This package includes medical, dental, vision, life, short- and long-term disability insurances, a 401(k)-retirement savings plan, and generous leave time. CALNET, Inc. is an Equal Opportunity Employer. EEO/M/F/D/V
* Stakeholder Coordination: Serve as the primary security advisor to the system owner and liaise with the Authorizing Official (AO) and other key stakeholders to ensure a clear understanding of system risks and compliance status. Certifications (Required): * CompTIA Security+, CCNA, RHCSA, MCSA or any IAT Level II cert Typical Educational/Experience Requirements * A Bachelor’s degree from an accredited institution in Information Technology, Cybersecurity, Business Management, or a related field; or experience equal to.US Citizen
* Active Top Secret/SCI Clearance
* Experience: Minimum 5+ years of hands-on experience dedicated to applying RMF to complex DoD IT systems. * Technical Skills: Demonstrated mastery of eMASS, vulnerability scanning tools (e.g., ACAS/Nessus), COMSEC, and security compliance checkers (e.g., SCAP).
This opportunity is onsite in Huntsville, Alabama CALNET, Inc. offers a competitive salary and a generous benefits package. This package includes medical, dental, vision, life, short- and long-term disability insurances, a 401(k)-retirement savings plan, and generous leave time. CALNET, Inc. is an Equal Opportunity Employer. EEO/M/F/D/V
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