CACI International Inc · 19 hours ago
Information Systems Security Engineer (ISSE)
Sarasota, FL
Full-time
Onsite
Mid, Senior Level
$98K/yr - $207K/yr
7+ years expCACI International Inc is seeking an Information Systems Security Engineer (ISSE) to provide advanced security engineering support for various information systems. The role involves system hardening, vulnerability scanning, and ensuring compliance with security requirements throughout the system development lifecycle.
Information TechnologyService IndustrySoftware
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Assess and Mitigate Security Threats: Analyze and mitigate system security threats, risks, and vulnerabilities throughout the program life cycle. Contribute to security planning, assessment, risk analysis, risk management, certification, and awareness activities for system operations
Execute Assessment & Authorization (A&A): Perform the A&A process in accordance with government requirements (e.g., ICD-503)
Maintain Accreditation Data: Ensure that accreditation data is maintained within customer databases (e.g., SNOW)
Conduct Research: Research emerging technologies, vulnerability information, system hardening (e.g., STIGs), operating systems, application software, and security tools
System Configuration and Maintenance: Execute system configuration and maintenance in support of the Security Engineering discipline
Prepare Testing Documentation: Prepare comprehensive security assessment testing documentation to validate applied security controls in support of A&A testing
Provide Technical Guidance: Offer technical guidance focused on information security architecture
Generate Accreditation Artifacts: Create security accreditation artifacts, including Security Plans, Certification Test Plans, and Continuous Monitoring Plans
Track and Fulfill Liens: Track and fulfill liens associated with A&A activities as documented in the Plan of Actions and Milestones (POA&M)
Perform Vulnerability Assessments: Conduct vulnerability assessments using standardized tools (Nessus, DISA STIGs) and perform configuration updates as required to comply with security requirements
Guide System Hardening: Provide guidance on the hardening of operating systems, COTS products, and Open-Source products to support compliance with security requirements
Engineering Services: Provide technical engineering services for the support of integrated security systems and solutions
Team Participation: Participate as a member of a security engineering team that designs, develops, implements, evaluates, and/or integrates security architectures, systems, or system components
Customer Interaction: Support and interact with customers in the enforcement of the design of security throughout the system life cycle
Apply IA Policies: Apply knowledge of IA policies and procedures disseminated by the customer’s organization
Qualification
Required
An active TS/SCI clearance with polygraph is required
Must have a current certification compliant with DoD 8570 IAM or IAT level 2
Bachelor's degree in Computer Science, Information Assurance, Information Security System Engineering, or equivalent and seven (7) years of directly related experience
Knowledge of DCID 6/3, ICD 503, CNSSI 1253, NIST SP 800-53, NIST SP 800-53A, NIST SP 800-37, and security controls assessment criteria/procedures
Implementing NIST 800-53 controls/ICD 503
Navigating projects through the RMF process to achieve IATT & ATO within the NRO environment
Participating in Assessment and Authorization (A&A) process
Preparing systems security documentation (e.g., security plans, risk assessment reports, Plan of Actions and Milestones (POA&Ms), etc.)
Continuous Monitoring, mitigating scan findings, maintaining Ports, Protocols, and Services sheets (PPS)
Vulnerability assessment scanning experience (Security Center/NESSUS)
Working with engineers and system administrators to correct scan findings/system vulnerabilities
Creation/use of Security Center Dashboards and reports
Excellent communication and interpersonal skills
Efficient time management and workload management
Ability to support a flexible schedule and work in a dynamic, real-time environment with rapidly changing priorities
Preferred
Proficient in Microsoft Application tools (i.e., Excel and PowerPoint)
Experience with Sharepoint, Confluence, JIRA
Experience with developing test plans for information systems
Demonstrated system administration experience with Linux (Red Hat, CentOS) and/or Windows
Experience with DevOps
Familiarity with code quality and code analyzing security tools
Experience with Amazon Web Services (AWS): Should have current or ability to obtain an Amazon Cloud certification, such as AWS Certified Solutions Architect – Associate or AWS Certified Security Specialty
Audit log review: Ability to query and perform analysis in Splunk
Experience within the Intelligence Community
Benefits
Healthcare
Wellness
Financial
Retirement
Family support
Continuing education
Time off benefits
Company
CACI International Inc
At CACI International Inc (NYSE: CACI), our 25,000 talented and dynamic employees are ever vigilant in delivering distinctive expertise and technology to meet our customers’ greatest challenges in national security.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$1B2025-05-21Post Ipo Debt· $1B
2003-01-10IPO
Leadership Team
John Mengucci
President & CEO
Darryl W Burke
Senior Vice President / Air Force Client Executive
Recent News
2026-01-22
2026-01-22
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