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Cyber Security Specialist (ISSO)

at CACI

CACIAshburn, VA, USPosted 2026-06-03
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Job description

Job Title: Cyber Security Specialist (ISSO)Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: NoneEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * *The Opportunity:The Cybersecurity Specialist with both strong cybersecurity and network security delivery skills will need to have a deep technical understanding of Cybersecurity practices, delivering secure and reliable hardware and software solutions in short sprints.  They will work as an integral part of a highly productive team of seasoned technical professionals who thrive on supporting our customer's mission and growth objectives– responsible for designing, developing, leading, and implementing secure application and infrastructure capabilities for a variety of legacy and modernized systems and applications.They will work in close collaboration with software developers/engineers, quality assurance engineers, stakeholders, and end users within Agile Engineering processes. They must have a working knowledge of enterprise class information assurance requirements and network security and survivability.They will also be responsible for supporting development of a spectrum of engineering artifacts that adequately, but succinctly capture system security requirements, application and network security design, and network security architecture. This position is responsible for ensuring that all assigned work activities are performed in a timely, secure, compliant and cost-effective manner while maintaining the highest quality of performance.Responsibilities:Serve as a Cybersecurity Team member responsible for the Information Assurance and Security of application, database, and enterprise network services. Responsible for activities associated with delivery of Cybersecurity policy implementation and network solutions associated with customer-defined systems and software projects; basic responsibilities include:Implement Cybersecurity Program strategyApply information security in accordance with National/DHS/CBP directives security policy including, but not limited to, NIST SP 800-30, NIST 800-37, NIST 800-53a, NIST SP 800-61, NIST 800-171, DHS 4300A, CBP Handbook 1400-05DAssess entire system lifecycle requirements and network security impactsSupport creation of, and ensure approval for, Department of Homeland Security (DHS) Risk Management Framework (RMF) Assess and Authorize (A&A) Process for development and sustainment projectsSupport program and customer management, and government Authorizing Official (AO) for all information security status, policies, and proceduresDocument DHS RMF Security Implementation Plan artifacts.  Coordinate and assist development team with application artifact documentationAssist government personnel in preparing and presenting Information Assurance Compliance System (IACS) packages to the Control Assessor (SCA) Assess and analyze the current threat environmentEnhance – Implement Cybersecurity vulnerability/A&A hardening testingOptimize – Cybersecurity development environment certificationArchitect & Engineer security – develop security goals, capabilities, controls, and architectureDesign & Implement security – vulnerability management, build security into developmentIntegrate & Test Security – test patches and settings, document A&A artifactsValidate & Verify security – validate patch status and software control statusImplement security – apply patches and security settings, performance incident handling and remediationMaintain security posture – audit security settings, track security training, monitor threats, track reaccreditationEnable assurance for information security during all phases of agile software development and deploymentContinuously evaluate and recommend innovative proven best business practices and tools to enhance defense-in-depthIdentify, assess, and recommend zero-day cyber threat remediationAddress Cybersecurity issues to help maintain Continuity of Operations Plans (COOP)Perform information security vulnerability testing and mitigate any nonconformanceSupports reviews and audits of continuous system monitoring and contingency planning. Updates associated documentation as neededCreate and manage Plan of Action & Milestones (POA&M)Implement and validate Security Technical Implementation Guide (STIG) requirements for all development and implementation projectsUnderstand and assist developers with static code analysis processesReport and help investigate security-related incidents and security violations as requested by the Computer Security Incident Response Center (CSIRC)Monitor and inspect for approved software usage and implementation of approved antivirus and other security related softwareDevelop and maintain security training programs are developed and maintainedQualifications:Must be a U.S. Citizen with the ability to pass CBP background investigation, criteria will include:3-year check for felony convictions1-year check for illegal drug use1-year check for misconduct such as theft or fraudCollege degree (B.S., M.S.) in Information Assurance, Computer Science, Information Management Systems or a related disciplineMust be available to work onsite in Ashburn, VA at least one day per week.Certifications: minimum Security+ CE or equivalent, CISSP or CASP preferredDemonstrated knowledge DHS 4300A, “Sensitive Systems Handbook”, and CBP Handbook 1400-05D, “Information Systems Security Policies and Procedures Handbook”Demonstrated knowledge of NIST Information Technology Security Special Publications (SP) 800 series, with emphasis on NIST SP 800-37, “Guide for Applying the Risk Management Framework to Federal Information Systems” and NIST SP 800-53A, “Guide for Assessing the Security Controls in Federal Information Systems”Professional Experience: 7+ years related technical experienceWorking knowledge of and ability to assist others in the use of information security provisioning and monitoring tools to support process
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