The Cybersecurity Engineer II will perform system hardening, vulnerability assessments, and remediation on Windows and Linux systems in accordance with DoD standards. Responsibilities include STIG implementation, vulnerability scanning using ACAS, patch management, compliance support, and documentation.… The role requires 5 years of hands-on experience with system hardening, vulnerability assessment tools, and both Linux and Windows remediation, plus a relevant Bachelor's degree and one of several security certifications (CCNA, CySA+, GICSP, GSEC, Security+, or SSCP).