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Information Systems Security Officer; ISSO​/Cyber Security Analyst

Job in Alexandria, Fairfax County, Virginia, 22350, USA
Listing for: VulnU
Full Time position
Listed on 2026-11-05
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security & Data Protection, IT Consultant, Network Security
Salary/Wage Range or Industry Benchmark: 73000 - 149000 USD Yearly USD 73000.00 149000.00 YEAR
Job Description & How to Apply Below
Position: Information Systems Security Officer (ISSO)/Cyber Security Analyst
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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