Junior Offensive Cyber Engineer

About the Role

Leidos is seeking an Offensive Cyber Engineer to join our team in Lawton, OK. In this entry-level role, you will assist in conducting technical security assessments, supporting penetration testing activities, and collaborating with detection engineering and defensive teams to improve organizational threat detection.

Key Responsibilities

• Assisting in developing basic automation scripts and custom proof-of-concept exploits based on identified vulnerabilities.
• Supporting senior engineers in executing penetration tests, vulnerability assessments, and network protocol analyses across enterprise and government environments.
• Collaborating with the CEMA Resiliency System (CRS) team and detection engineering teams to understand how offensive findings translate into defensive detection rules.
• Participating in operational testing events and support real-world validation of security tools and exploits.
• Researching and reviewing technical documentation, security classification guides, and system architectures alongside senior staff.
• Contributing to after-action reports, technical documentation, and remediation recommendations for security stakeholders.

Requirements & Tech Stack

• Foundational knowledge of Linux distributions (e.g., Kali, Parrot, Ubuntu) and Windows operating systems.
• Basic scripting or programming ability (e.g., Python, Bash, or PowerShell).
• Foundational understanding of computer networking principles (TCP/IP, routing, common ports/protocols) and core cybersecurity concepts.
• Strong analytical, problem-solving, and continuous learning mindset.
• Willingness to work on-site in Lawton, OK (or relocate prior to start date) and travel to testing events as required.
• US citizenship required.
• Must be able to obtain and maintain a TS/SCI Clearance.

Qualifications

• Bachelor’s degree in Cybersecurity, Computer Science, Computer Engineering, Electrical Engineering, or a related technical discipline.

Preferred Qualifications

• Certifications: Entry-level or foundational cybersecurity certifications (e.g., CompTIA Security+, CompTIA PenTest+, eJPT, PNPT, CEH, GIAC GSEC, or active progress toward OSCP).
• Hands-On Lab/Competition Experience: Participation in Capture The Flag (CTF) competitions, Hack The Box, TryHackMe, or university cyber defense/attack teams.
• Tool Familiarity: Academic, lab, or internship experience with security tools (e.g., Nmap, Wireshark, Burp Suite, Metasploit).
• Reverse Engineering / Systems: Coursework or exposure to binary analysis, assembly language, or basic reverse engineering.
• Modern Environments: Academic exposure or basic understanding of cloud environments (AWS, Azure) and version control systems (Git).
• Communication: Ability to document technical steps clearly and present findings to technical peers.
• Previous DoW experience.