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Information Systems Security Officer (ISSO)

CACI International Inc
United Statesfull_timeVerifiedPosted 4 Aug 2026
💰 $218,100/yr($103,800/yr$218,100/yr)

About the role

Job Title: Information Systems Security Officer (ISSO)

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI with Polygraph

Employee Type: Regular

Percentage of Travel Required: None

Type of Travel: None

* * *

The Opportunity:
The Information Security System Officer (ISSO) position within the Network Security Implementation and Sustainment (NSIS) Services section offers an exciting opportunity to support the organization's system and information assurance program. This role is critical in ensuring the security and integrity of our information systems.

Responsibilities:

  • Provide support for proposing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies.

  • Maintain the operational security posture for information systems security policies, standards, and procedures.

  • Provide configuration management (CM) for information system security software, hardware, and firmware.

  • Manage changes to the system and assess the security impact of those changes.

  • Prepare and review documentation including System Security Plans, Risk Assessment Reports, Certification and Accreditation packages, and System Requirements Traceability Matrices.

  • Support security authorization activities in compliance with NSA/CSS Information System Certification and Accreditation Process (NISCAP) and DoD Information Assurance Certification and Accreditation Process (DIACAP).


Qualifications:

Required: 

  • An active NSA TS/SCI Polygraph.

  • Implement and enforce IS security policies, standards, and methodologies.

  • Assist in the evaluation of security solutions.

  • Assist with Configuration Management for IS security software, hardware, and firmware.

  • Assist with the preparation and maintenance of documentation.

  • Maintain records, including system updates.

  • Evaluate security solutions to ensure they meet security requirements for processing classified information.

  • Propose, coordinate, implement, and enforce information systems security policies, standards, and methodologies.

  • Maintain the operational security posture for an IS/program.

  • Maintain an appropriate operational IA posture for a system, program, or enclave.

  • Develop and maintain C&A documentation.

  • Develop and update system security plans and other IA documentation.

  • Provide CM for security-relevant IS software, hardware, and firmware.

  • Assist with the management of security aspects of IS and perform day-to-day security operations.

  • Develop system security policy and ensure compliance.

  • Administer user identification and authentication mechanisms of IS.

  • Plan and coordinate IT security programs and policies.

  • Manage, control, and assess the impact of changes to security systems.

  • Obtain C&A for information systems.

  • Provide support for program, organization, system, or enclave IA program.

  • Serve as Approval Authority for ISs.

Education and Experience:

  • Ten (10) years as an ISSO on programs of similar scope, type, and complexity.

  • Experience in at least two (2) of the following areas:

    • Knowledge of current security tools, HW/SW security implementation.

    • Communication Protocols.

    • Encryption techniques/tools.

  • Bachelor’s degree in Computer Science or related discipline.

  • DoD 8570 compliance with Information Assurance Management (IAM) Level I or higher.

  • Three (3) years’ demonstrated experience in Computer Network Operations, Protection Level (PL) 3 high/high solutions utilizing Layer 2 to Layer 7.

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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

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Company

CACI International Inc

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