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Cyber Security Engineer

CACI


Job Location:

North Charleston, SC - USA

Monthly Salary: $ 78000 - 163800
Posted: 21 August 2026 (12 hours ago)
Application Deadline: 18 November 2026
Vacancies: 1 Vacancy

Job Summary

Job Title: Cyber Security Engineer

Job Category: Engineering

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:

CACI is seeking a skilled Cyber Security Engineer to support the design implementation and maintenance of secure systems and networks. The successful candidate will work closely with CACIs development and IT teams to integrate security best practices identify and mitigate security vulnerabilities and ensure compliance with industry standards. Youll contribute to strengthening the security posture of critical infrastructure and systems supporting CACI operations.


Responsibilities:
  • Translate Risk Management Framework (RMF) categorization results and applicable security control baselines into implementable and testable system security requirements allocated across hardware software and networks.
  • Develop and maintain security artifacts/documentation authorization boundary diagrams data flow diagrams hardware/software lists and PPSM registrations.
  • Analyze ACAS/Nessus and STIG/SCAP results and assist system administrators with resolving failed security controls and mitigating identified vulnerabilities.
  • Provide full Assessment & Authorization (A&A) support and technical security guidance in all phases of the system authorization process and/or Risk Management Framework (RMF)
  • Support STIG implementation compliance verification and audit readiness.
  • Provide security-focused insights and technical support for network infrastructure and system architecture.
  • Translate and communicate technical risks and requirements between technical and non-technical stakeholders.
  • Collaborate with cross-functional engineering teams to design implement and sustain secure system architectures across the development and delivery lifecycle.
  • Interpret and explain vulnerability scan results (e.g. from Nessus Security Center) to technical teams.
  • Identify remediation strategies through configuration design changes or process updates.
  • Recommend and assist in implementing corrective actions to address failed RMF controls and findings.
  • Maintain and administer cybersecurity tools such as Nessus Tenable Security Center Evaluate-STIG.
  • Embed security into engineering processes design reviews configuration baselines and build pipelines.

Qualifications:
  • Bachelors degree in Cybersecurity Computer Science Information Technology or a related field (will consider relevant experience in lieu of a degree) and 5 years of cybersecurity engineering experience.
  • Must have an active Top Secret/SCI clearance to start.
  • US Citizenship is required.
  • Working knowledge of NIST SP 800-53 Rev 5 NIST SP 800-37 CNSSI 1253 DISA STIGs and SRGs as well as familiarization with eMASS and/or XACTA.
  • Demonstrated experience carrying systems through a full Risk Management Framework (RMF) authorization cycle; Categorization through Authority to Operate (ATO) and into Continuous Monitoring.
  • Experienced in hardening operating systems (Windows Server RHEL/Linux) and applications to align with STIG requirements and compliance obligations.
  • Proficient in security toolsets including vulnerability assessment platforms (Nessus/Tenable Security Center ACAS) SIEM platforms and endpoint security tooling.
  • Strong documentation skills specifically as it relates to generating security documentation in support of the system authorization process.
  • Exceptional problem-solving abilities with a proactive approach to identifying and mitigating security risks.
  • Demonstrated expertise in cybersecurity engineering activities including cybersecurity analysis vulnerability assessments risk assessments and remediation efforts
  • Certifications: Security and either Linux or Microsoft Certified Technology Specialist (MCTS); capable of performing at Information Assurance Technical Level II as per DoD 8140 guidelines.
  • Proficient in security toolsets such as vulnerability assessment tools (e.g. Nessus Qualys) intrusion detection systems and SIEM platforms.
  • Knowledge of compliance frameworks such as NIST JSIG and DAAPM and the ability to implement security controls in alignment with these standards.
  • Ability to work independently and within a team adapting to dynamic security challenges.
Desired:
  • Advanced certifications such as CISSP CEH or Certified Cloud Security Professional (CCSP).
  • Familiarity with DevSecOps practices and integrating security into CI/CD pipelines.
  • Container and Kubernetes security experience; familiarity with Iron Bank or Platform One.
  • Understanding of data encryption techniques FIPS 140-3 validated implementations and secure data handling practices.
  • Prior experience on the assessment side (Security Control Assessor IV&V or Navy Qualified Validator).

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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 valued team member youll be part of a high-performing group dedicated to our customers missions and driven by a higher purpose to ensure the safety of our nation.

An environment of trust.

CACI values the unique contributions that every employee brings to our company and our customers - every day. Youll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth.

Together we will advance our nations most critical missions build on our lengthy track record of business success and find opportunities to break new ground in your career and in our legacy.


Pay Range:

There are a host of factors that can influence final salary including but not limited to geographic location Federal Government contract labor categories and contract wage rates relevant prior work experience specific skills and competencies education and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI you will receive comprehensive benefits such as; healthcare wellness financial retirement family support continuing education and time off benefits.

The proposed salary range for this position is:

$78000 - $163800

CACI is anEqualOpportunity Employer. All qualified applicants will receive consideration for employment without regard to race color religion sex pregnancy sexual orientation age national origin disability status as a protected veteran or any otherprotectedcharacteristic.

Required Experience:

IC


About Company

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CACI employs a diverse range of talent to create an environment that fuels innovation and fosters continuous improvement and success. At CACI, you will have the opportunity to make an immediate impact by providing information solutions and services in support of national security miss ... View more

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