Senior Offensive Cyber Engineer — Penetration Testing Lead

Leidos; Lawton (OK); On-site; USD 108,000 - 195,000; Full time

Benefits offered by this job

Paid Time Off

11 paid Holidays

401K with 6% match

Job summary

Leidos in Lawton, OK seeks a Sr. Offensive Cyber Engineer to conduct comprehensive security assessments on enterprise and government systems. You will perform offensive testing and coordinate with defensive teams to translate findings into detection capabilities.

Travel to testing events and work on-site at Lawton, OK. The role requires deep expertise in penetration testing, red teaming, and cloud/network security, with TS/SCI eligibility and strong communication skills.

Qualifications

• Bachelor’s degree in Cybersecurity, Computer Science, Computer Engineering, Electrical Engineering or related field (8+ years) or Master’s with 6+ years experience.
• 8+ years hands-on penetration testing, red teaming, or offensive security operations.
• Proficiency with Linux and Windows at admin/deep-system level; scripting in Python, Bash, or PowerShell.

Responsibilities

• Develop custom exploits, payloads, and automation tools for identified vulnerabilities.
• Lead end-to-end penetration tests across enterprise, government, and classified environments.
• Perform deep-dive analysis of networks, cloud infra (AWS/Azure/GCP), and web apps.
• Collaborate with CRS and detection engineering to validate and improve threat detectors.

Skills

Penetration testing

Red teaming

Security engineering

Python scripting

Offensive security

Education

Bachelor's degree in cybersecurity/CS/engineering

Master’s degree (or equivalent)

Tools

Kali Linux

Parrot OS

ScoutSuite

Pacu

Prowler

Git

Job description

Leidos in Lawton, OK seeks a Sr. Offensive Cyber Engineer to conduct comprehensive security assessments on enterprise and government systems. You will perform offensive testing and coordinate with defensive teams to translate findings into detection capabilities.

Travel to testing events and work on-site at Lawton, OK. The role requires deep expertise in penetration testing, red teaming, and cloud/network security, with TS/SCI eligibility and strong communication skills.