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Information Systems Security Engineer- ISSE Security Clearance

Job in Sarasota, Sarasota County, Florida, 34240, USA
Listing for: CACI
Full Time position
Listed on 2026-02-13
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security, Systems Engineer, Network Security
Job Description & How to Apply Below
Position: Information Systems Security Engineer- ISSE with Security Clearance
Job Title:

Information Systems Security Engineer- ISSE Job Category:
Information Technology Time Type:
Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type:
Regular Percentage of

Travel Required:

Up to 25% Type of Travel:
Outside Continental US *
*
* The Opportunity:

CACI is searching for an Information Systems Security Engineer (ISSE) to support a worldwide engineering, operations, and tech refresh operations team delivering capabilities and functions for multiple Intelligence Community (IC) customers. As a team, we will be responsible for operations, future technologies, engineering and Tier 2/3 support, break/fix, and tech refresh activities to develop and maintain capabilities on a global basis.

Be a part of something greater than yourself and make a lasting impact at CACI! Responsibilities:
* Responsible for supporting Engineering and Operations network solutions and strategic adherence to all aspects of the Information Assurance (IA) program as stipulated by various U.S. Government requirements including (but not limited to):
Director of Central Intelligence Directives (DCID), IC Directive (ICD) 503 and associated NIST publications.
* Preparation of Assessment and Authorization (A&A) documents and procedures.
* Interface with other IA team members, other security disciplines (industrial security, physical security, special programs security, etc.), program personnel, and Government security representatives.
* Responsible for supporting adherence to all aspects of the Information Assurance (IA) program as stipulated by various USG requirements including (but not limited to):
Director of Central Intelligence Directives (DCID), Intelligence Community Directive (ICD) 503 and associated NIST publications.
* Preparation of Assessment and Authorization (A&A) documents and procedures. Interface with other IA team members, other security disciplines (industrial security, physical security, special programs security, etc.), program personnel, and government security representatives

* Conduct weekly vulnerability scans using Tenable Nessus products

* Mitigate Information Assurance Vulnerability Alerts (IAVA)

* Update system of record database to maintain accuracy of system information

* Create and close out Plan of Action & Milestones (POA&M)

* Work with system administrators to update firmware on system hardware to mitigate vulnerabilities

* Work with Delegated Authorizing Officials (DAO) to renew System Security Plans (SSP)

* Coordinate and validate quarterly patching of systems with system administrators

* Apply Security Technical Implementation Guides (STIG) to ensure compliance of systems

Qualifications:

Required:

* Must be a U.S. Citizen
* Top Secret/Sensitive Compartmented Information (TS/SCI) with ability to obtain a polygraph

* Qualifications include a track record of progressively responsible information assurance experience in ICD 503 certification and accreditation.
* ISSE shall be compliant with DoD 8140 and any other certification/training required by DoD for role.
* Must maintain required technical and security training relative to cybersecurity duties, in accordance with DoD instruction 8510.01, Risk Management Framework for DoD Systems, NIST Special Publication 800-53, Recommended Security Controls for Federal Information Systems and Organizations and DoD Directive 8570.01-M, IA Workforce Improvement Program.
* ISSE must have certifications and/or comprehensive hands-on technical experience in the technology area(s) of their assigned system(s) in order to effectively carry out their duties.
* Familiarization with NIST Special Publication 800-37 Revision 1, Guide for Applying the Risk Management Framework to Federal Information Systems", Committee on National Security Systems Instructions (CNSSI) 1253, and NIST SP 800-53 Revisions 3 and 4, SP800-39, SP 800-30.

- _________________________________________________________________________ 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…
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