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Information System Security Officer; ISSO

Job in Chantilly, Fairfax County, Virginia, 22021, USA
Listing for: CACI International
Full Time position
Listed on 2025-11-25
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security, IT Consultant, Network Security
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Position: Information System Security Officer (ISSO)

Information System Security Officer (ISSO) Job Category:
Information Technology Time Type:
Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type:
Regular Percentage of

Travel Required:

Up to 10% Type of Travel:
Local * * *

Exciting Opportunity:
Join Our Dynamic Cybersecurity Team as an Information Systems Security Officer (ISSO)

Are you passionate about cybersecurity and eager to make a significant impact? We are thrilled to announce an opening for a dedicated and detail-oriented Information Systems Security Officer (ISSO) to join our innovative cybersecurity team. In this role, you will play a pivotal part in our Continuous Monitoring program, ensuring alignment with Federal guidelines and standards.

Why You’ll Love This Role

As an ISSO, you will be at the forefront of protecting our information systems, contributing to a secure and compliant environment. You’ll work with a talented team, leveraging your expertise in the Risk Management Framework (RMF) and NIST SP 800 series publications to enhance our security posture.

Responsibilities
  • Implement and Maintain Continuous Monitoring: Develop and sustain a robust Continuous Monitoring program in line with RMF and NIST SP 800-137 guidelines.

  • Conduct Security Assessments: Perform regular security assessments and vulnerability scans to identify and mitigate potential risks.

  • Real-Time Monitoring: Keep a vigilant eye on security controls and their effectiveness, ensuring our systems remain protected around the clock.

  • Trend Analysis: Analyze security-related data to spot trends and emerging threats, allowing us to stay one step ahead.

  • Documentation: Prepare and maintain comprehensive documentation for security status reporting, ensuring transparency and compliance.

  • Collaborative Remediation: Work closely with system owners and stakeholders to address security findings and implement effective remediation plans.

  • System Security Plans: Assist in creating and updating System Security Plans (SSPs) and other essential RMF documentation.

  • ATO Support: Provide vital support for the Authorization to Operate (ATO) process, ensuring our systems meet all necessary standards.

  • Stay Current: Keep abreast of the latest cybersecurity threats, technologies, and compliance requirements to continually enhance our defenses.

  • Incident Response: Participate in incident response activities, helping to swiftly address and resolve security incidents.

Qualifications

Required:

  • Clearance: An active TS/SCI with Polygraph.

  • Experience: BS/BA or equivalent experience and a minimum of 7 years in a related field.

  • Specialized

    Experience:

    2-5 years in information security, with a strong focus on continuous monitoring and RMF.

  • Certifications: Relevant certifications such as Security+, CISSP, CISM, or CAP.

  • Knowledge: In-depth understanding of NIST SP 800 series publications, especially SP 800-37, SP 800-53, and SP 800-137.

  • Regulations: Familiarity with Federal information security regulations and guidelines (e.g., FISMA, FedRAMP).

  • Tools: Experience with security tools like vulnerability scanners, SIEM systems, and GRC platforms.

  • Skills: Strong analytical and problem-solving skills, coupled with excellent written and verbal communication abilities.

  • Team Player: Ability to work effectively in a team environment and collaborate with various stakeholders.

Desired
  • Government

    Experience:

    Experience in a government or government contractor environment.

  • Automation: Familiarity with automation tools for continuous monitoring processes.

  • Tenable: Experience with Tenable.

  • Splunk: Experience with Splunk.

  • Qmulos Q-Audit: Experience with Qmulos Q-Audit.

Why Join Us?

This position is crucial in maintaining the security posture of our information systems and ensuring compliance with Federal cybersecurity requirements. As an ISSO, you will be an integral part of our organization’s risk management strategy, helping to protect critical assets from evolving cyber threats.

Ready to Make a Difference? Apply now and take the next step in your cybersecurity career with us!

________________________________________________________________________________________

What You Can Expect

A culture of integrity.

At CACI, we place…

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