Offensive Cyber Engineer — Penetration Testing Pro

VulnU; Lawton (OK); On-site; USD 87,000 - 157,000; Full time

Benefits offered by this job

Retirement match

Paid parental leave

Equity

Learning budget

Job summary

Leidos in Lawton, OK is seeking a Mid-Level Offensive Cyber Engineer to perform penetration testing and offensive security assessments. The role involves developing exploits, executing tests across enterprise and government systems, and coordinating with defensive teams to tune threat detections.

The ideal candidate holds a related degree with extensive hands-on red-teaming experience, is proficient with Linux/Windows and scripting, and is willing to travel for testing events.

Qualifications

• Bachelor’s degree in a related technical field with 6+ years of hands-on experience in penetration testing or 4+ years with a Master’s degree.
• Experience performing red-team operations and offensive cyber assessments across enterprise and government environments.
• Proficiency with Linux and Windows at an advanced admin level; scripting in Python, Bash or PowerShell.

Responsibilities

• Develop custom exploits, payloads, and automated testing tools for identified vulnerabilities.
• Plan and execute penetration tests, vulnerability assessments, and network analyses across environments.
• Collaborate with detection teams to translate offensive findings into resilient detections and mitigations.
• Mentor junior engineers and support operational testing events.

Skills

Penetration testing

Red team

Python

Bash

PowerShell

Linux

Windows

Education

Bachelor’s degree in Cybersecurity/CS/CE

Master’s degree (optional) in related field

Tools

Burp Suite

Metasploit

Cobalt Strike

Nmap

OWASP ZAP

Job description

Leidos in Lawton, OK is seeking a Mid-Level Offensive Cyber Engineer to perform penetration testing and offensive security assessments. The role involves developing exploits, executing tests across enterprise and government systems, and coordinating with defensive teams to tune threat detections.

The ideal candidate holds a related degree with extensive hands-on red-teaming experience, is proficient with Linux/Windows and scripting, and is willing to travel for testing events.