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  3. Information System Security Officer (ISSO)
Redhorse logo

Information System Security Officer (ISSO)

Redhorse
Fort Belvoir, VA
Full Time
Posted May 4, 2026
Not Specified
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Job Description

Now is a great time to join Redhorse Corporation.

Key Responsibilities

Perform the duties of an Information System Security Officer (ISSO) as defined in AR 25-2, DA 25-2-14, and the NIST SP 800-53 security controls when the organizationally-defined personnel includes the ISSO Actively manages the organization’s eMASS records which includes but is not limited to: Validates security controls including associated artifacts Assesses security scan results and STIGs as required Performs POA&M updates, tracking, and resolution Leads the continuous monitoring activities of the organization Manages the day-to-day activities and the professional development of the Cybersecurity Analysts Collaborates with the O-ISSM on all assessment and authorization activities to ensure the information systems maintain an authority to operate (ATO) on all applicable DoD/IC networks Maintain up-to-date status on all assigned systems and communicate status to the Government leads Maintain complete records of communications, submit written status reports as required, perform peer-review as directed, and attend weekly meetings Correspond with the Government customer and system administrators to communicate any unacceptable risks identified and correct deficient POA&M items to meet DoD and IC standards Coordinate with the Security Control Assessor (SCA) to perform analysis of the overall risk level the system poses to enterprise networks and to mission data Create and maintain cybersecurity policies and standards Ensure that cybersecurity plans, controls, processes, standards, policies, and procedures are aligned with cybersecurity standards Ensures security scans and STIG checklists are updated according to DA G2 policy Produces actionable, risk-based reports on security assessment results Assists with vulnerability remediation when necessary Develops and maintains security plans and security testing plans Periodically updates and improves risk models; metrics; reports; processes; and activities to stay compliant with evolving DoD and IC standards Ensures the user community understands and adheres to necessary procedures to maintain security posture of the information systems Provides guidance in the creation and maintenance of Standard Operating Procedures (SOPs); Tactics, Techniques, and Procedures (TTPs); and other similar documentation

Requirements

10 years’ experience as an ISSO on Army Intel programs 2 years’ experience with AC2SP tenant assessment and accreditation activities

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