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CA

Information System Security Officer

CACI International Inc
United Statesfull_timeVerifiedPosted 29 Jul 2026
💰 $173,900/yr($82,700/yr$173,900/yr)

About the role

Job Title: Information System Security Officer

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local

* * *

The Opportunity:

CACI, Inc. Delivers industry leading Signals Intelligence exploitation and Electronic Warfare (SIGINT/EW) products that enable our nation’s tactical warfighters to effectively utilize distributed grids of networked sensors, assets, and platforms to perform a variety of critical national security driven missions.

Responsibilities:  

CACI is seeking a Cyber Security professional with experience fulfilling customer requirements for system security posture assessment, authorization process execution, and continuous monitoring to work as part of a team supporting CACI products. The successful candidate will work with CACI team members to assess information security controls on new and existing systems, work with system owners to resolve/mitigate information security findings, and help maintain security posture of systems/networks.

Conduct Risk Management Framework (RMF) tasks for obtaining Authorization to Operate (ATO) for CACI systems/networks. Office location for this opportunity is in: Austin, TX.

Additional Responsibilities include

  • Collaborate with system integrators and administrators to harden information systems to the required acceptable level
  • Provide full Assessment & Authorization (A&A) support and technical security guidance in all phases of the system authorization process and/or Risk Management Framework (RMF)
  • Conduct security review of information system security plans (SSP) for networks and information systems
  • Conduct the research to identify security vulnerabilities and provide guidance to mitigate risks to information systems
  • Provide corrective actions into a coherent information security strategy
  • Review and analyze systems/networks architecture diagrams
  • Convey knowledge and security focused comprehensive solutions to technically complex systems and challenges encountered while implementing security

Qualifications:  

Required:

  • Bachelor’s degree in information technology and/or information systems related discipline desired (will consider experience in lieu of degree) and 5 or more years of experience
  • Must have an active Top Secret/SCI clearance to start
  • Strong background in Information Technology processes and/or systems administration
  • 5+ years recent experience generating and implementing System Security Accreditation/ICD 503 packages for DoD and/or IC Customers
  • 5+ years recent experience establishing security processes, practices and principles for TOP SECRET communication network connected systems
  • 5+ years recent experience with NIST SP 800-53, CNSSI 1253, and FISMA requirements

Required Skills:

  • RMF Working knowledge
  • Windows and Linux working knowledge
  • Understanding of networking concepts
  • 8570.01/8140.03 Compliant: Security+ or equivalent
  • Ability to work independently with minimal supervision as well as part of a team
  • US Citizenship is required

Desired:  

  • Ability to work in an agile, fast paced environment
  • Excellent verbal and written communications for technical and security related topics
  • Experience with XACTA and or eMASS
  • Use of network security vulnerability assessment tools including ACAS - NESSUS, SCAP, and HBSS
  • Knowledge of DoD/IC Information Assurance Vulnerability Management (IAVM) and Configuration Management processes
  • Desired Certifications: Certified Information Systems Security Professional (CISSP), Certified Governance Risk Compliance (CGRC), Linux OS Certifications

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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, you’ll be part of a high-performing group dedicated to our customer’s 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. You’ll 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 nation's most criti

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Company

CACI International Inc

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