Information Systems Security Officer (ISSO) - Simulation, Training, Test and Threat

Information Systems Security Officer (ISSO) - Simulation, Training, Test and Threat  Tracking Code 9597-987 Posted Date 5/7/2026

Job Location Orlando, Florida Location of Position Orlando, Florida Work Arrangement On Site:

100% Position Type Full-Time/Regular Clearance Required?

Yes Level of Clearance Required Secret General Summary:

Implementing and documenting management, operational, and technical

NIST 800-53

security controls for aviation based information technology systems, platforms, and tactical communication equipment to achieve and maintain Authorization (ATO or IATT) under the Risk Management Framework (RMF) in accordance with DOD, Army, NETCOM, and organizational policies Principal Duties and Responsibilities (

• Essential Functions): Supports the formal testing requirements through pre-test preparations, participation in the tests, analysis of the results, and preparation of required reports.
• Prepares Test Plans and identifies cybersecurity concerns and risks associated with tests and documents effective mitigtions.
• Identifies where systems/networks deviate from acceptable configurations, enclave policy, or local policy, especially relating to test configurations and interconnections.
• Updates and maintains enterprise Mission Assurance Support System (eMASS) records for information systems and platforms.
• Creates or updates system Authorization Boundary Diagrams, Information or Data Flow Diagrams (ports, protocols, and services), and Security Architectures.
• Ensures that assigned IT systems, platforms, or applications can receive an IATT, ATO, or Assess Only Approval.
• Identifies and properly documents deviations, vulnerabilities, and mitigations on the system Plan of Actions and Milestones (POA&M) in eMASS, to include importing results from technical scans into eMASS and managing the resulting POA&M items.
• Reviews existing documentation and performs edits and updates to ensure the applicable security controls continue to be met and remain effective.
• Reviews, creates or updates a variety of DOD and RMF documentation (including but not limited to Security Plans (SP), Configuration Management Plans (CMP), Incident Response Plans (IRP), Contingency Plans (CP), Access Control Policies, and other Assessment & Authorization (A&A) artifacts) as needed.
• Identifies the correct applicable Security Technical Implementation Guide (STIG) and Security Requirements Guides (SRG) for technologies used with systems and also test and apply them to the components of the information system.

Uses a variety of cybersecurity tools that include, but are not limited to, enterprise Mission Assurance Support System (eMASS), Security Content Automation Protocol (SCAP) Compliance Checker (SCC), Assured Compliance Assessment Solution (ACAS)/Nessus Vulnerability Scanner, Evaluate-STIG, eMASSter, DISA STIG Viewer, etc. Selects, justifies, and obtains approval for the correct impact levels for Confidentiality, Integrity, and Availability as well as identify and implement applicable control overlays for system records. Provides network and security operations technical analysis, assessment, and recommendations. Performs detailed analyses to validate established security requirements and to recommend additional security requirements and safeguards. Establishes strict program control processes and policies to ensure mitigation of risks and supports obtaining certification and accreditation of systems. Advises appropriate leadership (e.g., Information System Security Manager, etc.) of security relevant changes affecting the organization's cybersecurity posture. Supports customer meetings, integrated product teams, test event planning, providing cybersecurity support as needed. 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: https://www.colsa.com/culture_benefits/ Required Experience Required Qualifications Bachelors degree in related field or equivalent experience Minimum of 7 years of work related experience CompTIA Security+CE certification or equivalent required Hands-on experience with vulnerability identification and testing procedures Experience working with RMF and eMASS processes Strong written and verbal communication skills Minimum of Secret Clearance; US Citizenship required; Preferred Qualifications Prior Security Control Assessor (SCA) experience Master's degree in Computer Science, Information Technology or related field CompTIA CySA+ 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. The salary range, if referenced, represents a good faith estimate. COLSA considers various factors when determining base salary offers, but not limited to, location, the role, function and associated responsibilities, a candidate's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. COLSA offers a comprehensive and customizeable benefits program which includes Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, Accidental Death & Dismemberment, Supplemental Income Protection Programs, 401(k) with company match, Flexible Spending Accounts, Employee Assistance Program, Education & Certification Reimbursement, Employee Discount Program, Paid Time Off and Holidays. This position will be posted for a minimum of 3 business days. If a candidate has not been selected at that time, it will continue to be posted until a suitable candidate is selected or the position is closed.