Senior Cybersecurity Systems Engineer – DoD/Zero Trust

Archer; Tampa (FL); On-site; USD 110,000 - 160,000; Full time

Job summary

MANTECH is seeking a Cybersecurity Systems Engineer in Tampa, FL to design, implement, and sustain secure mission systems. You will ensure security in cloud, platform, and data environments while supporting RMF/ATO processes and enabling secure AI/ML deployments.

Ideal candidates possess DoD 8140 baselines, experience with A&A BOE documentation, and robust vulnerability management in DoD-like settings. This on-site role requires active clearance eligibility and strong collaboration across

Qualifications

• Bachelor's degree in Cybersecurity or related field with 8+ years of IS security experience.
• Extensive experience navigating accreditation processes and ICD 503 A&A BOE documentation.
• Proven record implementing controls and conducting vulnerability scanning in DoD or similar environments.
• Experience across large teams driving security across complex systems and CI/CD pipelines.
• Experience inventorying networks and documenting security compliance and centralized authentication.
• Ability to document complex IT security information, including Zero Trust concepts.
• Must meet DoD 8140 baseline certifications (Security+, CySA+, or CISSP).

Responsibilities

• Designing and implementing cybersecurity controls across cloud, hybrid, and mission system environments including identity, access control, and monitoring.
• Creating, updating, and maintaining required BOE documentation, RMF/ATO artifacts, and security control documentation per ICD 503 and NIST RMF.
• Maintaining, updating, and conducting vulnerability scanning, log analysis, and security event reviews across all systems.
• Maintaining system baselines and configuration management items to ensure systems are hardened and compliant with required DISA STIGs.
• Integrating security into CI/CD pipelines and DevSecOps environments using automated scanning, policy enforcement, and IaC.
• Implementing and enforcing Zero Trust security principles, RBAC/ABAC, and data protection per the DoD Data Strategy (VAULTIS).
• Collaborating with stakeholders to ensure complete and functioning systems meeting security requirements for rapid AI/ML deployments.

Skills

RMF/ICD 503

Vulnerability scanning

CI/CD & DevSecOps

Zero Trust security

Documentation (BOE/A&A)

Security controls implementation

Cloud security (AWS/Azure)

DoD accreditation process

RBAC/ABAC access control

VAULTIS / DoD Data Strategy

Education

Bachelor's degree in Cybersecurity

Tools

eMASS

Job description

MANTECH is seeking a Cybersecurity Systems Engineer in Tampa, FL to design, implement, and sustain secure mission systems. You will ensure security in cloud, platform, and data environments while supporting RMF/ATO processes and enabling secure AI/ML deployments.

Ideal candidates possess DoD 8140 baselines, experience with A&A BOE documentation, and robust vulnerability management in DoD-like settings. This on-site role requires active clearance eligibility and strong collaboration across