Cybersecurity Systems Engineer

### General Information - **Requisition #:** R67385 - **Location:** USA-Remote - **Posting Date:** 05/06/2026 - **Security Clearance Required:** Secret - **Remote Type:** Fully Remote - **Time Type:** Full time ### Company Overview Join ManTech, a trusted partner to the Department of Defense since 1968, dedicated to safeguarding our nation through advanced technology and innovative solutions. ### Job Description ManTech seeks a motivated Cybersecurity Systems Engineer to support the design, implementation, and sustainment of secure mission systems. You will ensure cybersecurity is integrated into cloud, platform, and data systems while supporting RMF/ATO processes. ### Responsibilities - Design and implement cybersecurity controls across cloud, hybrid, and mission system environments. - Create and maintain Body of Evidence (BOE) documentation and RMF/ATO artifacts. - Conduct routine vulnerability scanning, log analysis, and security event reviews. - Maintain system baselines and configuration management to ensure compliance with DISA STIGs. - Integrate security into CI/CD pipelines and DevSecOps environments. - Implement Zero Trust security principles and identity-centric access controls. - Collaborate with stakeholders to ensure systems meet security requirements while supporting rapid deployment of AI/ML workloads. ### Minimum Qualifications - Bachelor's degree in Cybersecurity or a related field. - 8+ years of experience in Information Systems Security. - Significant experience with accreditation processes and ICD 503 requirements. - Experience in vulnerability scanning and security requirements in similar environments.