Senior Cyber Software Developer

Description Who We Are: Leidos is an innovative company committed to solving the world's most pressing challenges in national security and health. We employ 47,000 dedicated professionals who collaborate to deliver advanced technology solutions in these critical sectors. Job Overview: Join the Leidos Offensive Cyber Operations (OCO) team, a dynamic group of skilled cyber software engineers focused on developing advanced offensive cyber toolkits. Our mission-driven team is responsible for creating capabilities to detect, deny, degrade, disrupt, and deceive adversaries. We are seeking one to two Senior Software Engineers to help design and build innovative tools utilizing cutting-edge offensive cyber technology. Key Responsibilities: Employ programming techniques to navigate and evade both host-based and network intrusion detection systems. Craft software to capture, analyze, and interpret raw network traffic effectively. Engage in network socket programming, developing packet-level programs while demonstrating expert knowledge of IP, TCP, and application-level protocols. Analyze and deconstruct various hardware and software, particularly focusing on network devices and technologies, to discover and exploit vulnerabilities. Design capabilities based on specified requirements, producing detailed design documents. Minimum Qualifications: Active TS/SCI security clearance is required for consideration. Bachelor's degree in computer science, Computer Engineering, or a related field, along with a minimum of twelve (12) years of relevant development experience. Proficient in software design and development with expertise in Python and C/C++. Demonstrated experience in offensive cyber programming for either the U.S. Government or within the commercial sector. Strong understanding of network protocols, routers, and network security fundamentals. Desirable Qualifications: Experience with firmware and embedded systems reverse engineering. Knowledge of Assembly programming. Familiarity with reverse engineering tools like IDA Pro and Ghidra for analyzing embedded device firmware. Experience with automated testing frameworks. Experience utilizing Docker and container orchestration technologies. What We Offer: Collaborate with a small, dynamic team on impactful and engaging projects. Work for a company that values your personal growth and career ambitions. Access to specialized technical upskilling opportunities and ongoing training in Offensive Cyber. Enjoy a flexible work schedule with the option to bank comp time. In addition to competitive salaries, we offer comprehensive benefits, including Paid Time Off, 11 paid holidays, a 401K with a 6% company match and immediate vesting, discounted stock purchase plans, parental paid leave, on-site gym access, and more. Be part of an enthusiastic company culture with year-round social events including barbeques, fire-pit gatherings, jam sessions, happy hours, trivia nights, special movie showings, and pet adoption events. At Leidos, opportunities are limitless. We challenge our employees with exciting assignments that foster professional and personal growth. If you’re ready to take the next step in your career, we encourage you to apply today! CONMD Original Posting:

July 18, 2025 For U.S. positions: While subject to change based on business needs, Leidos anticipates this job requisition will remain open for at least 3 days, with an expected close date no earlier than 3 days after the original posting date listed above. Pay Range:

$126,100.00 - $227,950.00 The Leidos pay range for this position is a general guideline and may vary based on factors such as job responsibilities, education, experience, skills, and other relevant criteria.