Cybersecurity Engineer Senior with Security Clearance

Lead with purpose. Defend with expertise. Join GDIT as a Senior Cybersecurity Engineer and take ownership of mission-critical cybersecurity programs that protect Department of Defense (DoD) systems. You'll be the go-to technical authority, leading security design, risk assessments, and authorization strategies across diverse, high-impact environments. As a senior team member, you'll work independently and collaboratively, mentor junior engineers, and drive system accreditation from strategy through execution - delivering proactive security and continuous compliance in support of national defense. What You'll Do: Lead the development, assessment, and authorization (A&A) of complex DoD systems following RMF processes (including DAAPM 2.2, JSIG Rev 4, ICD-503).
Own the creation and lifecycle management of RMF documentation (SSPs, POA&Ms, SCTMs, risk assessments, etc.).
Guide teams through successful ATO/IATO achievement and ensure continuous monitoring and compliance across systems.
Architect and implement advanced cybersecurity controls, ensuring resilience against evolving threats.
Direct the deployment and administration of cyber tools (e.g., ACAS, SPLUNK, HBSS) and security platforms (e.g., eMASS).
Lead vulnerability scanning and mitigation strategies while supporting incident response planning and readiness.
Collaborate with technical leads, mission stakeholders, and leadership to develop secure, scalable solutions.
Evaluate and enhance system hardening, configuration management, and patching processes.
Act as a mentor to junior and mid-level engineers, cultivating a culture of knowledge sharing and technical growth.
Track and integrate evolving cybersecurity trends, threat intelligence, and DoD security guidance.
Preferred Certifications (one or more): Security & Governance: CISSP, CCSP, CISM, CEH, CAP
Cloud & Platforms: AWS SysOps Administrator, Cloud+, Linux Essentials, SPLUNK
Tools & Management: ITILv4, Project+, eMASS, HBSS, ACAS Required Skills & Qualifications: Demonstrated leadership in cybersecurity architecture, RMF compliance, and system accreditation.
Strong technical experience with vulnerability assessment, risk mitigation, and ATO lifecycle management.
Fluency with DoD cybersecurity tools, processes, and secure configuration practices.
Ability to lead projects independently, communicate security posture to technical and executive stakeholders, and influence secure design decisions.
Proven experience supporting mission-driven environments, handling complexity and urgency with confidence. Why GDIT: At GDIT, your expertise shapes national security outcomes. We empower you to: Lead with autonomy and authority.
Tackle meaningful, mission-first challenges.
Grow professionally with access to training and certification support.
Thrive in a collaborative, technically elite environment.
Be part of something greater. Own your career. Make an impact with GDIT. Work Requirements