Leidos is hiring an entry-level Offensive Cyber Engineer to support technical security assessments, penetration testing, and operational testing. The role works with offensive, detection engineering, and defensive teams to turn security findings into improved threat detection and contributes to technical reports and remediation recommendations.
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 review technical documentation, security classification guides, and system architectures alongside senior staff
Contributing to after-action reports, technical documentation, and remediation recommendations for security stakeholders
Qualification
Required
Bachelor's degree in Cybersecurity, Computer Science, Computer Engineering, Electrical Engineering, or a related technical discipline
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
US citizenship required
Must be able to obtain and maintain a TS/SCI Clearance
Preferred
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
Benefits
Health and Wellness programs
Income Protection
Paid Leave
Retirement
Leidos is an industry and technology leader serving government & commercial customers with smarter, more efficient digital and mission innovations.
Glassdoor
3.9
Founded in 1969
Reston, Virginia, USA
10001+ employees
https://www.leidos.com
Leidos is an industry and technology leader serving government & commercial customers with smarter, more efficient digital and mission innovations.
