Information Systems Security Officer (ISSO)

The Opportunity:

Step into a core missionsupport role where youll own the daily security authorization posture for DoD information systems. Youll 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

• 35 years of RMF/ATO experience in DoD or federal environments

• Hands-on experience with eMASS

• Working knowledge of NIST SP 80053 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 FITSPA GCED GCIH GCSA GICSP GSEC PenTest or Security

• Bachelors 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

What You Can Expect:

A culture of integrity.

At CACI we place character and innovation at the center of everything we do. As a valued team member youll be part of a high-performing group dedicated to our customers missions and driven by a higher purpose to ensure the safety of our nation.

An environment of trust.

CACI values the unique contributions that every employee brings to our company and our customers - every day. Youll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth.

Together we will advance our nations most critical missions build on our lengthy track record of business success and find opportunities to break new ground in your career and in our legacy.

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:

CACI is anEqualOpportunity Employer. All qualified applicants will receive consideration for employment without regard to race color religion sex pregnancy sexual orientation age national origin disability status as a protected veteran or any otherprotectedcharacteristic.