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Information Systems Security Officer Security Clearance

Job in Austin, Travis County, Texas, 73301, USA
Listing for: CACI
Full Time position
Listed on 2026-06-03
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security, Systems Engineer, Network Security
Job Description & How to Apply Below
Position: Information Systems Security Officer with Security Clearance
Job Title:

Information Systems 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. This postion s located in Austin, TX. 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 . Responsibilities:
* 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

* 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 - 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.…
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