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Information System Security Officer (ISSO) with Top SecretSCI Clearance

Calnet


Job Location:

Huntsville, AL - USA

Monthly Salary: Not provided by the employer
Posted: 8 August 2026 (27 days ago)
Application Deadline: 5 November 2026
Vacancies: 1 Vacancy

Job Summary

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 talentedInformation System Security Officer (ISSO) with Top Secret/SCI Clearanceto workin 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 systems 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 Bachelors degree from an accredited institution in Information Technology Cybersecurity Business Management or a related field; or experience equal 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 inHuntsville 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


Required Experience:

Unclear Seniority