Cyber Security Specialist

Cyber Security Specialist

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Continental US

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The Opportunity:
Join our team as a Cyber Security Specialist at Aberdeen Proving Grounds, MD, where you will play a vital role in protecting and maintaining the security posture of critical Department of Defense systems. This position offers a fast-paced environment where your expertise in vulnerability management, system hardening, and documentation will directly support national defense initiatives.

Responsibilities:

• Conduct regular vulnerability scans and assessments across multiple systems to identify and remediate security weaknesses.

• Perform timely patch management activities to ensure all systems remain compliant with DoD and organizational security requirements.

• Apply and validate Security Technical Implementation Guides (STIGs) to harden systems and enforce security controls.

• Draft, review, and maintain cybersecurity documentation, including assessment and authorization packages, security plans, and program deliverables.

• Collaborate closely with Information Systems Security Officers (ISSOs) and IT teams to implement and monitor security measures.

• Troubleshoot and resolve security-related issues, escalating complex incidents as necessary.

• Ensure continuous compliance with DoD cybersecurity policies and frameworks.

• Conduct system and process audits, prepare reports, and communicate findings to management.

• Assist with cybersecurity projects and initiatives, supporting the development of secure solutions and operational continuity.

• Build and maintain repositories for trend analysis, process improvement, and knowledge sharing.

• Monitor project deliverables to ensure accountability and timely completion, providing status updates to stakeholders.

• Participate in cross-functional team efforts and knowledge-sharing initiatives.

Qualifications:

Required: 

• An active DoD TS/SCI security clearance.

• Active IAT Level II Certification (e.g., Security+ CE, CySA+, GICSP, or equivalent).

• Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or a related field (10 years of relevant experience may be substituted for a degree).

• Demonstrated experience with vulnerability scanning tools and patch management processes.

• Hands-on experience applying and validating STIGs in a DoD environment.

• Strong understanding of Windows and Linux system administration.

• Familiarity with DoD cybersecurity requirements, frameworks, and compliance standards.

• Excellent written and verbal communication skills.

• Strong organizational skills and attention to detail.

• Effective time management and prioritization abilities.

• Proven ability to work collaboratively with diverse teams and build effective working relationships.

Desired:

• Experience drafting and maintaining security documentation and artifacts.

• Certified Information Systems Security Professional (CISSP) or comparable certification.

• Experience working in a DoD or federal environment.

• Familiarity with configuration management tools (e.g., Ansible, Puppet).

• Scripting proficiency in Bash, PowerShell, or Python.

• Experience with vulnerability management platforms and security monitoring tools.

• Knowledge of containerization and virtualization technologies (e.g., Docker, VMware).

• Exposure to a range of network security products and appliances.

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What You Can Expect:

 

A culture of integrity.

At CACI, we place character and innovation at the center of everything we do. As a