Senior Cybersecurity Engineer – Offensive & Defensive

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

Job summary

CACI, Inc. is seeking a Cybersecurity Engineer to protect network boundaries, design hardened devices, and provide security services for highly sensitive data.

You will work with a broad range of technologies, monitor systems for attacks, and help ensure security best practices across the organization. The role emphasizes collaboration, documentation, and effective communication with stakeholders while supporting both defensive and offensive security initiatives.

Qualifications

• Bachelor’s degree in Information Assurance, Cybersecurity, or Computer Engineering with 7+ years of relevant experience.
• GPEN, GWAPT, OSCP, or OSWA certification 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 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

Incident Response

OS Internals

OSINT Analysis

Secure Development

Vulnerability Testing

Risk Management

Security Tooling

Linux Security

Splunk

Education

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

Job description

CACI, Inc. is seeking a Cybersecurity Engineer to protect network boundaries, design hardened devices, and provide security services for highly sensitive data.

You will work with a broad range of technologies, monitor systems for attacks, and help ensure security best practices across the organization. The role emphasizes collaboration, documentation, and effective communication with stakeholders while supporting both defensive and offensive security initiatives.