Senior Cybersecurity Systems Engineer – DoD Cloud Security

ManTech International; United States; On-site; USD 120,000 - 160,000; Full time

Job summary

ManTech International in Tampa, FL seeks a Cybersecurity Systems Engineer to design, implement, and sustain secure mission systems. You will help embed cybersecurity across cloud, data, and platform environments, support RMF/ATO processes, and enable secure AI/ML workloads.

Requires DoD-focused experience, active security credentials, and collaboration across large teams. Email [e-mail] for inquiries; TS/SCI eligibility may be pursued.

Qualifications

• Bachelor's degree in Cybersecurity or related field; 8+ years of information security experience.
• Significant experience with ICD 503 and A&A BOE documentation.
• Strong track record implementing security controls and vulnerability scanning.
• Experience collaborating across large teams on CI/CD and DevSecOps.
• DoD 8140 baseline certs like Security+, CySA+, or CISSP.

Responsibilities

• Design and implement cybersecurity controls across cloud, hybrid, and mission systems.
• Create, update, and maintain RMF/ATO artifacts and BOE documentation.
• Perform vulnerability scanning, log analysis, and security event reviews.
• Harden systems and maintain DISA STIG compliance and baselines.
• Integrate security into CI/CD pipelines and IaC; enforce Zero Trust.

Skills

RMF/ATO

Zero Trust

CI/CD Security

Vulnerability Scanning

Access Control

Documentation

Education

Bachelors in Cybersecurity

Tools

eMASS

AWS

Azure

Job description

ManTech International in Tampa, FL seeks a Cybersecurity Systems Engineer to design, implement, and sustain secure mission systems. You will help embed cybersecurity across cloud, data, and platform environments, support RMF/ATO processes, and enable secure AI/ML workloads.

Requires DoD-focused experience, active security credentials, and collaboration across large teams. Email [e-mail] for inquiries; TS/SCI eligibility may be pursued.