Posted on 10/18/2026COLSA Corporation - Huntsville, AL

Position Description

COLSA Corporation is seeking an Information Systems Security Officer ISSO (RMF & Compliance) to join our team. In this role you will serve as an Information Systems Security Officer (ISSO) for systems assigned. The ISSO will perform system monitoring and analysis support for the detection of cyber incidents and provide recommendations on how to correct findings. Responsibilities will include but are not limited to, maintenance of authorization packages, account management, security auditing, and configuration management reporting.

*Contingent upon receipt of task order funding.

Principal Duties and Responsibilities (*Essential Functions):

• Perform monitoring and evaluation of systems as directed by senior ISSOs

• Populates and reviews Security Technical Implementation Guides (STIGs) and Security Requirements Guides (SRGs) to ensure compliance with security requirements.

• Reviews, analyzes, and troubleshoots Security Center and Assured Compliance Assessment Solution (ACAS) scan results, using findings to develop and update Plans of Action and Milestones (POA&Ms).

• Maintains and updates security compliance documentation within the Enterprise Mission Assurance Support Service (eMASS).

• Performs security compliance activities within a closed, secure environment.

• Will work collaboratively with technical personnel and nontechnical stakeholders.

  At COLSA, people are our most valuable resource and centered at our core value. We invite you to unite your talents with opportunity and be a part of our “Family of Professionals!” Learn about our employee-centric culture and benefits here: https://www.colsa.com/culture\_benefits

Required SkillsRequired Experience

Required Qualifications:

• Bachelor’s Degree in related field or equivalent experience

• Minimum of 5 years of related experience

• Working knowledge and experience in Enterprise Mission Assurance Support Service (eMASS)

• Entry-level DoD 8570/8140 IAM Level I certification (such as CompTIA Security+, CAP, SSCP, or equivalent)

• Active Secret security clearance; US Citizenship required

  Preferred Qualifications:

• Previous hands-on experience performing Security Center and Assured Compliance Assessment Solution (ACAS) and Plans of Actions and Milestones (POA&Ms).

Applicant selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information. COLSA Corporation is an Equal Opportunity Employer, Minorities/Females/Veterans/Disabled. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin.

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