CACI International

Information Systems Security Officer (ISSO)

CACI International$75K — $158K *
US-AnywhereRemote in United States
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 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

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

Benefits

  • Comprehensive healthcare and wellness benefits
  • Robust retirement and financial support options
  • Family support programs available
  • Continuing education opportunities for professional growth
  • Generous time off benefits
Full Job Description
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

* * *


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

-


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

About CACI International

CACI International Inc is a multinational professional services and information technology company. It provides services to many branches of the federal government including defense, homeland security, intelligence, and healthcare. CACI has approximately 23,000 employees worldwide. The company's mission is to provide enterprise and mission technology services and solutions that best fit the needs of its customers. CACI has been named a Fortune World's Most Admired Company, a Washington Post Top Workplace, and a Forbes Best Employer for Diversity.
Learn more about CACI International
Size
22,000 employees
Market Cap
$7.1 billion
Industry
Net Income
$374.4 million
Founded
1962
5 Year Trend
+7.3%
Revenue
$5.8 billion
NASDAQ

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