Cyber Security Engineer – TS​/SCI Clearance | Charleston, SC

Overview

Cyber Security Engineer– TS/SCI Clearance | Charleston, SC

Cambridge International Systems, Inc.

Join a dynamic global team united by shared values: commitment, integrity, and perseverance. At Cambridge, you’ll work alongside top talent worldwide, tackling some of today’s most complex and critical challenges in defense and security.

We are currently seeking a Cyber Security Engineer to support operations in Charleston, SC. This is a full-time CONUS position requiring an active DoD TS/SCI clearance.

• Monitor and analyze network traffic, system logs, and security alerts to detect, investigate, and escalate cybersecurity threats and incidents, ensuring timely response and documentation.
• Support integrated cyber defense operations aligned with organizational risk management frameworks; maintain security tools to enable continuous monitoring and RMF/NIST authorization activities.
• Establish and apply methods to quantify and measure cyber risk, supporting risk-based decision-making across the enterprise.
• Evaluate business and system architectures to determine cybersecurity requirements and ensure alignment with information security standards and best practices.
• Conduct system security, vulnerability, and risk assessments to identify security gaps, integration challenges, and compliance issues.
• Develop cost estimates and implementation plans for cybersecurity solutions based on risk and compliance assessments.
• Prepare, implement, and enforce cybersecurity policies, standards, and Assessment & Authorization (A&A) requirements.
• Plan, implement, upgrade, and monitor security controls to enhance system resilience and support accreditation processes.
• Identify cybersecurity vulnerabilities, recommend remediation strategies, and track mitigation efforts to closure.
• Respond to and investigate cybersecurity incidents, restore protections, and produce required incident reports in accordance with regulatory guidance.
• Develop and execute security test scripts and validation activities to verify the effectiveness of technical and operational controls.
• Design, develop, and integrate DoD Information Assurance architectures and secure system components within computing, network, and enclave environments.
• Ensure system architectures, including programs of record and special-purpose processing nodes, meet functional, performance, and security requirements.
• Support secure integration of platform IT and special-purpose systems with existing infrastructure.
• Develop and deliver cybersecurity training, lead post-incident reviews, and promote a strong security awareness culture.

Required Qualifications:

• Education & Experience:

  • HS Diploma + 5 years of relevant experience

• Technical Expertise:

  • Experience with the RMF Process
  • Experience with policy and RMF artifact development.
  • Ability to lead a team of cyber security professionals and direct tasking and provide mentorship and leadership.
  • Experience with web-based applications designed to support the RMF and A&A such as eMASS and MCCAST.

• Certifications:

  • CompTIA CISSP or CASP+ certification
  • CompTIA CySA+ certification
  • Must have a current and active DoD TS/SCI security clearance.
  • Proficient with modern IT tools and infrastructure technologies

Preferred (Nice to Have):

• Desire experience with HBSS.

• Travel:
  Up to 25% travel, CONUS and OCONUS may be required.

• Work Environment:
  Compliance with vaccination and medical requirements for TDY/OCONUS roles as per Vaccine Recommendations by AOR | Health.mil.

• Office setting:
  Primarily an office-based role in Quantico, VA; standard desk/computer work with flexibility for walking and movement on site.

• Background & Security:
  Employment is contingent upon successful background investigation; drug screening may be required for federal contract compliance.

• Medical, dental, vision, life, accident, and critical illness insurance
• 401(k) immediate vesting and match
• Paid time off and company holidays
• Generous tuition & training support
• Relocation assistance
• Sign-on and performance-based bonuses
• Employee referral program
• Access to Tickets at Work, EAP, wellness initiatives, and more

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