Job Title: Information Systems Security Officer (ISSO)
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
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The Opportunity:
Step into a core mission‑support role where you’ll own the daily security authorization posture for DoD information systems. You’ll work within a well-resourced cybersecurity organization equipped with dedicated engineering, operations, and architecture teams, giving you the support needed to drive meaningful impact.
You will:
Own and manage the security authorization posture of assigned DoD systems
Partner closely with engineering, operations, and architecture professionals to ensure secure system performance
Build advanced expertise with modern RMF tools, including eMASS and eMASSer automation
Maintain mission continuity by developing and managing ATO packages and continuous monitoring programs
Advance into a senior GRC career pathway with structured opportunities for professional growth
Responsibilities:
Develop, update, and maintain System Security Plans (SSPs) for assigned systems
Manage POA&Ms from identification through remediation and closure
Compile and submit complete Authorization to Operate (ATO) packages
Conduct continuous monitoring aligned with program strategy and RMF standards
Use eMASS to track RMF workflows, manage artifacts, and support GRC governance processes
Coordinate with ISSEs and SecOps teams to validate security control implementations
Create Security Assessment Plans (SAPs) and support SAR development and coordination
Draft supply chain risk management plans to support system-level authorization needs
Partner with the Cybersecurity Architect on RMF strategic planning and lifecycle improvements
Qualifications:
Required:
Active Secret or TS clearance
3–5 years of RMF/ATO experience in DoD or federal environments
Hands-on experience with eMASS
Working knowledge of NIST SP 800‑53 Rev. 5 and DoD RMF processes
Demonstrated ability to independently author SSPs and manage POA&Ms
DoD 8140.03M DCWF Basic Tier — CEH
DoD 8140 Interim Education Options
Required to travel to Scott Airforce base on a quarterly basis
Desired:
DoD 8140.03M DCWF Intermediate Tier — CEH(P), RCCE Level 1, Cloud+, CPTE, FITSP‑A, GCED, GCIH, GCSA, GICSP, GSEC, PenTest+, or Security+
Bachelor’s degree in Computer Science, Cybersecurity, Data Science, Information Systems, IT, or Software Engineering
Experience with eMASSer or other RMF automation tooling
Exposure to cloud-hosted or hybrid system authorization boundaries
Familiarity with the DoD RMF Knowledge Service
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Pay Range:
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
Since this position can be worked in more than one location, the range shown is the national average for the position.
The proposed salary range for this position is:
$75,200-$158,100