Cybersecurity Engineer III (DoD C4I)

TL;DR

Cybersecurity Engineer III (DoD C4I): Designing and sustaining secure architectures for mission-critical Department of Defense C4I environments with an accent on RMF compliance, security engineering, vulnerability remediation, and authorization-ready documentation. Focus on analyzing system interfaces and data flows, validating DISA STIG configurations, and building evidence and remediation plans throughout the system lifecycle.

Location: North Charleston, North Carolina / Charleston, South Carolina, United States

Salary: $100,000–$175,000 annually

Company

hirify.global is a mission-driven IT and management consulting company delivering cybersecurity, enterprise IT, cloud, digital services, DevSecOps, AI, data analytics, and mission support solutions to government customers.

What you will do

• Design, implement, and maintain secure system architectures for mission-critical C4I environments.
• Provide cybersecurity engineering across planning, design, development, integration, testing, deployment, operations, and sustainment.
• Support RMF control implementation, assessments, authorization evidence, and continuous monitoring.
• Analyze requirements, interfaces, data flows, and system changes to identify risks and recommend mitigations.
• Assess vulnerabilities, prioritize remediation, validate corrective actions, and support security testing and change control.
• Develop security plans, control narratives, risk assessments, diagrams, test evidence, and POA&Ms.

Requirements

• 10+ years of professional cybersecurity engineering experience.
• At least 4 years supporting Department of Defense C4I systems.
• Bachelor's degree in cybersecurity, computer engineering, electrical engineering, electronics engineering, mathematics with a computer science concentration, or an equivalent qualification.
• Current DoD 8570/8140-compliant certification meeting IAM Level II, IAT Level II, or IASAE Level II requirements.
• Strong technical judgment, documentation skills, and ability to collaborate with government and contractor teams.

Nice to have

• Active DoD Secret clearance or higher.
• Hands-on RMF experience.
• Experience implementing and validating DISA STIGs.
• Experience with ACAS, SCAP, eMASS, or HBSS.
• Experience supporting NAVWAR or other Navy programs.

Culture & Benefits

• Collaborative, growth-focused environment supporting high-impact defense missions.
• Professional development, recognition, and opportunities to contribute to mission-critical work.
• Medical, dental, and vision insurance for eligible employees.
• Life and disability insurance, 401(k) with employer match, paid holidays, and paid time off.
• Commuter benefits, employee assistance, educational reimbursement, and pet insurance.