Information System Security Officer – ISSO

🕒 August 13

🇺🇸 United States – Remote

💵 $90.3k - $189.6k / year

⏰ Full Time

🟠 Senior

🔴 Lead

👮‍♂️ Cybersecurity / Security Engineer

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CACI International Inc

WebsiteLinkedInAll Job Openings

10,000+ employees

Founded 1962

🎖️ Defense

🏛️ Government

🔒 Cybersecurity

🔥 Funding within the last year

💰 $500M Post-IPO Debt on 2026-02

Defense • Government • Cybersecurity

CACI International Inc is a U. S. -based government contractor that provides technologies and professional services to national security, defense, and federal civilian customers. CACI delivers solutions across cyber and digital operations, enterprise IT modernization, electronic warfare, counter-unmanned systems (C-UxS), space and optical communications, agile DevSecOps software development, and mission engineering and logistics support. The company positions itself as a large prime contractor that uses advanced software, analytics, sensing, and hardware to detect and counter evolving threats and modernize government technology architectures.

📋 Description

• Serve as the single point of contact on all systems security matters for assigned Program Management Organizations • Lead cybersecurity engineering efforts with direct support to the Compliance Branch Lead • Execute complete Risk Management Framework activities for Authority to Operate decisions, including system categorization, security control selection and implementation, self-assessments, POA&M development, and continuous monitoring • Develop and maintain System Security Plans, including control baselines, inheritance, Business Impact Analyses, implementation statements, technical and system descriptions, and hardware and software inventories • Create and maintain Configuration Management Plans • Conduct Security Impact Analyses, approve Change Requests, and document security impacts of configuration changes • Develop and test Contingency Plans and Incident Response Plans • Conduct annual risk assessments and support security and vulnerability assessments • Advise system owners and senior executives on cybersecurity matters • Develop remediation work plans for assessment and audit findings • Maintain hardware and software inventory lists and conduct FISMA Scorecard Analysis • Ensure proper access controls for system access • Track and suggest technologies, processes, and practices protecting networks, devices, programs, and data • Research and maintain proficiency in cybersecurity tools, techniques, countermeasures, trends, vulnerabilities, data hiding, network and device security, and encryption

🎯 Requirements

• U.S. Citizenship required • DHS EOD suitability or current DHS EOD preferred • BS/BA plus 7 years of applicable experience in information security • 7+ years of experience in information security • Demonstrated expertise in RMF, information security processes, audits, tools, implementation, FISMA, NIST, and IT security • Experience developing System Security Plans, POA&Ms, and Configuration Management Plans • Knowledge of NIST SP 800-37, NIST SP 800-53, and DHS 4300 Series requirements • One of the following IAT Level III qualifications desired: CISSP, CISM, or CompTIA CASP+ • Previous DHS experience desired • Experience with CSAM, RegScale, eMASS, or similar GRC tools desired • Experience supporting emergency operations or disaster response missions desired • Knowledge of cloud security and FedRAMP authorization processes desired • Experience with continuous monitoring desired

🏖️ Benefits

• Flexible time off benefit • Robust learning resources • Learning and development opportunities • Healthcare benefits • Wellness benefits • Financial benefits • Retirement benefits • Family support benefits • Continuing education benefits • Time off benefits