Information Systems Security Officer (ISSO)
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Overview
Job Description
Information System Security Officer (ISSO) – Protect the Mission with CACI
At CACI, we deliver trusted, innovative solutions that safeguard national security and advance critical missions. We are seeking an experienced Information System Security Officer (ISSO) to help protect, maintain, and strengthen the security posture of complex systems that support high‑priority intelligence programs.
In this role, you will be a key contributor to the security lifecycle—ensuring compliance, assessing system changes, developing documentation, and maintaining an effective operational security posture. Your expertise will help enable secure operations and empower mission success.
If you’re driven by purpose, thrive in dynamic environments, and want to make meaningful impact every day, CACI offers the platform to grow your career and contribute to something bigger.
Responsibilities:
Support senior ISSOs in implementing and enforcing information systems security policies, standards, and best practices.
Assist in evaluating security solutions and ensuring compliance for systems processing classified information.
Support configuration management for system security software, hardware, and firmware.
Maintain and update security documentation, including C&A packages, system security plans, and audit materials.
Track and document system components such as servers, routers, firewalls, workstations, and network devices.
Maintain and monitor system security posture to meet evolving mission requirements.
Provide direct support to the ISSM for maintaining the operational IA posture of assigned systems.
Develop, maintain, and enhance IA documentation in alignment with ODNI and DoD policies.
Administer user identification and authentication controls.
Assist in planning, coordinating, and executing IT security programs and policies.
Manage system changes and assess associated security impacts.
Serve as the Approval Authority for information systems under your responsibility.
Identify, report, and help resolve system vulnerabilities to ensure continued mission readiness.
Qualifications:Required:
An active NSA TS/SCI Polygraph.
8 years of ISSO experience supporting programs of similar scope and complexity.
Bachelor’s degree in Computer Science or related technical discipline. Four additional years of ISSO experience may substitute for a degree.
Experience in at least two of the following:
– Security tools and implementation– Communication protocols– Encryption technologies
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 critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.
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.
The proposed salary range for this position is:
$103,800 - $218,100Automate your job search with Sonara.
Submit 10x as many applications with less effort than one manual application.
