Information Systems Security Officer; ISSO/Cyber Security Analyst
Job in
Alexandria, Fairfax County, Virginia, 22350, USA
Listed on 2026-11-05
Listing for:
VulnU
Full Time
position Listed on 2026-11-05
Job specializations:
-
IT/Tech
Cybersecurity, Information Security & Data Protection, IT Consultant, Network Security
Job Description & How to Apply Below
Job Title:
Information Systems Security Officer (ISSO)/Cyber Security Analyst Job Category:
Information Technology Time Type:
Full time Minimum Clearance Required to Start:
Secret Employee Type:
Regular Percentage of
Travel Required:
Up to 10%
Type of Travel:
Local
The Opportunity:
CACI is seeking a cyber security professional to join our team supporting a Department of Defense (DoD) client. In this role, you will support the DoD Risk Management Framework (RMF) process and activities to support the customer’s mission and cyber security posture for a portfolio of systems (NIPR/SIPR), sponsored by a variety of DoD customers
Responsibilities:
Manage extensive security evaluations of information systems and networks and the remediation of security control weaknesses, prepares evaluation reports, and presents recommendations.
Conduct trade-off analyses of products for clients to determine optimal information security solutions. Maintain a high level of familiarity with the major Federal Government Information Security policy guidance and directives.
Provide ongoing security training to the client's on-site personnel
Ensure the physical environment of the computers and their terminals are properly secured and meets all Operation Security (OPSEC) requirements
Conduct structured walk-throughs based on Continuity of Operations Plans to ensure integrity of the network’s ability to reconstitute normal system functions including reinstallation of applications after a catastrophic failure
Work collaboratively with the ISSM, stakeholders, and the team to support cybersecurity efforts (NIPR/SIPR) Create and manage RMF artifacts and the entire ATO lifecycle Conduct vulnerability assessments on technologies to verify system security and compliance and assist in remediation efforts Review and analyze Git Hub and software vulnerability scans Utilize scripting and development tools to achieve cybersecurity compliance and reporting needs Ensure application, system, environment, or organizational changes do not have an adverse effect on the security posture of the system security compliance and assessment
Monitor and validate vulnerability postures in Assured Compliance Assessment Solution (ACAS), and ensure all systems comply with DISA Security Technical Implementation Guidelines (STIG) s and with CSSP requirements
Ensure and approve Plan of Action and Milestones (POA&M) are in place for vulnerabilities that cannot be remedied at the time of the finding
Qualifications:
Required:
Must be a U.S. Citizen with an active DoD Secret clearance (at minimum) Typically requires at least 2 years’ experience and a B.S. in Information Technology, Information Security, or related field or equivalent professional experience
Experience and knowledge in DoD RMF, NIST Controls, and Authorization to Operate (ATO) processes Knowledge of cybersecurity concepts and tools, such as DISA STIGs, SCAP, SCC Tool Minimum 2 years’ experience using the DoD Enterprise Mission Assurance Support Service (eMASS) as a system certification and accreditation tracking tool Trained in the use of the ACAS to include how to remedy Information Assurance Vulnerability Management (IAVM) findings DoD Manual 8140.03 level Intermediate from the Foundational Qualification Options for the (541) Vulnerability Assessment Analyst work role including applicable certification(s) (e.g
Security )Experience with cloud implementations and environments.
Desired:
Familiarity with National Institute of Standards (NIST) directives
Experience implementing NIST 800-53 controls Familiarity with any of the following: FEDRAMP, DISA APL, Reciprocity, Dev Sec Ops , SIEM, Microsoft Defender for Cloud Familiarity with RMF 2.0 and Continuous ATO Experience working with Microsoft…
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