DoD Cyber Security Engineer - RMF/A&A, Onsite

Incatech Corp; Springfield (VA); On-site; USD 110,000 - 150,000; Full time

Job summary

INCATech LLC is seeking a Cyber Security Engineer to support critical DoD and Intel missions. This role emphasizes cybersecurity engineering, risk management, and compliance across cloud and on-prem systems, including A&A, RMF, and continuous monitoring in classified environments.

The position requires active Top Secret clearance, experience with RMF/ATO documentation, vulnerability scanning (ACAS), and strong collaboration with DevSecOps teams. On-site work at multiple locations is expected.

Qualifications

• Bachelor's degree with 5+ years of experience.
• DoD 8570 IAT Level II or higher certification.
• Experience with RMF, A&A, POA&M, and ATO documentation (XACTA/eMASS).
• Hands-on vulnerability scanning and compliance tracking (ACAS, IAVM).
• Experience securing Linux and Windows systems, STIGs, patching, and system hardening.
• Knowledge of NIST 800-series publications and incident response processes.
• Strong analytical, communication, and collaboration skills.

Responsibilities

• Applying RMF processes to support A&A, including control selection, implementation, assessment, and continuous monitoring.
• Developing, reviewing, and maintaining security documentation such as SSPs, POA&Ms, SARs, and ATO artifacts (XACTA/eMASS).
• Conducting vulnerability assessments and compliance scans (ACAS) and tracking remediation and IAVM requirements.
• Implementing and validating security controls aligned with NIST 800-53, CNSSI 1253, and DoD guidance.
• Supporting system hardening, patching, and configuration management per STIGs for Linux, Windows, and network devices.
• Monitoring systems for security events and supporting incident response and risk mitigation activities.
• Assessing security impacts of system changes and supporting CCBs.
• Collaborating with system engineers, admins, and DevSecOps to integrate security throughout the lifecycle.
• Providing cybersecurity risk input to program leadership, AOs, and stakeholders.

Skills

Analytical skills

Communication

Collaboration

Security mindset

Education

Bachelor's degree

DoD 8570 IAT Level II or higher certification

Tools

XACTA/eMASS

ACAS

Job description

INCATech LLC is seeking a Cyber Security Engineer to support critical DoD and Intel missions. This role emphasizes cybersecurity engineering, risk management, and compliance across cloud and on-prem systems, including A&A, RMF, and continuous monitoring in classified environments.

The position requires active Top Secret clearance, experience with RMF/ATO documentation, vulnerability scanning (ACAS), and strong collaboration with DevSecOps teams. On-site work at multiple locations is expected.