Information Systems Security Officer; ISSO
Listed on 2026-03-08
-
IT/Tech
Cybersecurity, Information Security, Network Security, IT Consultant
Job Title:
Information Systems Security Officer (ISSO)
Job Category:
Information Technology
Time Type:
Full time
Minimum Clearance Required to Start: TS/SCI
Employee Type:
Regular
Percentage of
Travel Required:
Up to 25%
Type of Travel:
Continental US
Join Our Elite Cyber Security Team as an Information Systems Security Officer!
Are you a cyber security professional seeking your next big challenge? CACI is looking for an experienced Information Systems Security Officer to join our cutting‑edge cyber security team. If you’re passionate about making a significant impact and thrive in a mission‑driven environment, we want to connect with you!
Responsibilities- Overseeing Security Operations:
Ensure systems are operated, maintained, and disposed of according to security policies and procedures. - Coordinating A&A and CM:
Manage Assess and Authorize (A&A), Configuration Management (CM), and Release Management requirements in line with DoD Instructions. - Ensuring Security Compliance:
Verify that changes to applications, systems, environments, or organizations do not compromise security posture. - Monitoring Vulnerability Postures:
Validate vulnerability postures in ACAS and ensure compliance with DISA STIGs and CSSP HBSS requirements. - Verifying Security Program Implementation:
Ensure the delegated aspects of the system security program are implemented locally and across customer‑related systems. - Submitting ATO Documentation:
Prepare and submit Authority to Operate documentation to eMASS and XACTA. - Conducting Assessments:
Perform periodic assessments of authorized systems and provide corrective actions for identified findings and vulnerabilities. - Analyzing Audit Records:
Collect and analyze audit records in accordance with the security plan. - Incident Reporting:
Report security‑related incidents to the Facility Security Officer and assist with formal reporting to customers and DCSA oversight. - Continuous Monitoring:
Develop and execute a continuous monitoring strategy. - Cyber Security Training:
Create and oversee a cyber security awareness training program. - Travel:
Visit other locations or customer sites as necessary. - Team
Collaboration:
Work effectively in a team environment and perform other duties as assigned.
Required:
- Active DoD TS/SCI security clearance.
- Advanced knowledge of IT and networking (IP networking, cyber security, or software development).
- Advanced understanding of Windows Server, Active Directory, DHCP, DNS, and WSUS/SCCM.
- Proficiency in Microsoft Windows and Linux software applications.
- At least one active Department of Defense 8570.01‑M IAT/IAM Level III certification (e.g., CASP+CE, CCNP Security, CISA, CISSP, GCED, GCIH, CCSP, CISM, GSLC, CCISO).
- B.S. in Information Technology/Systems, Computer Science, Computer Engineering, or Electrical Engineering.
- Experience:
5‑7 years of related experience.
- Understanding of system controls and their impact on system security.
- Minimum of 5 years monitoring system NIST compliance using workflow tools.
- Minimum of 3 years using eMASS for system certification and accreditation tracking.
- Minimum of 3 years transitioning to and operating within RMF in DoD applications.
- Experience in initial risk assessment and assisting Authorizing Official with risk determination and acceptance.
- Experience as an ISSO/ISSM managing systems approved to process classified information.
- Knowledge of Air Force cyber security policies.
- Experience submitting ATO documentation in eMASS and Xacta.
- Willingness and ability to quickly learn new technologies.
- Impactful Work:
Contribute to a unique and vital mission. - Professional Growth:
Opportunities to learn and grow with cutting‑edge technologies. - Collaborative Environment:
Work with a talented and dedicated team. - Travel Opportunities:
Explore new places while serving our customers.
Ready to take on a challenging and rewarding role? Apply now and become a key player in our cyber security success story!
What You Can ExpectA culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high‑performing group dedicated to our customer’s missions…
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