Cybersecurity Engineer: Defend & Harden Critical Networks

CACI International Inc; Oklahoma City (OK); On-site; USD 90,000 - 190,000; Full time

Job summary

CACI, Inc.'s Cyber Security Team seeks a Cybersecurity Engineer to protect network boundaries, design hardened devices, and secure highly sensitive data. You will monitor for intrusions and work across diverse platforms to improve the security posture.

You will draft documentation, perform security assessments, and collaborate with stakeholders while delivering clear technical briefings and recommendations.

Qualifications

• Bachelor’s degree in Information Assurance, Cybersecurity, or Computer Engineering with at least 7 years of relevant experience.
• Demonstrated knowledge in three or more security domains listed in the qualifications.
• Industry certifications such as GPEN, GWAPT, OSCP, or OSWA are preferred.

Responsibilities

• Work in a team‑centric environment to support defensive and offensive cybersecurity initiatives
• Conduct white, gray, or black‑box security assessments and produce detailed findings and recommendations
• Draft and maintain technical documentation, including technical manuals, installation guides, procedures, and incident response plans
• Collaborate with internal and external stakeholders across all business levels
• Deliver clear presentations and written/oral communication on technical topics

Skills

Red Team / Offensive Security

Cyber Incident Response

Operating system internals and harden*

OSINT data analysis

Secure development processes and pract

Vulnerability assessment, penetration

Risk management and mitigation

Development of security tools, autom

Strong Linux experience

Education

Bachelor’s degree in Information Assurance, Cybersecurity, or Computer Engineering

Tools

Splunk

Job description

CACI, Inc.'s Cyber Security Team seeks a Cybersecurity Engineer to protect network boundaries, design hardened devices, and secure highly sensitive data. You will monitor for intrusions and work across diverse platforms to improve the security posture.

You will draft documentation, perform security assessments, and collaborate with stakeholders while delivering clear technical briefings and recommendations.