Join Leidos' Intelligence Sector: Senior Software Engineer Role with $25k Sign-On Bonus

Leidos is seeking a driven Senior Software Engineer for our Cyber & Analytics Business Area (CABA) in Aurora, CO. Support high-stakes, mission-critical programs in Security Engineering, Computer Network Operations (CNO), Mission Software, SIGINT, and Cryptographic Key Management. Architect and develop advanced AI/ML solutions impacting national security. Thrive in an Agile environment where your expertise drives innovation.

Primary Responsibilities

• Design, develop, integrate, and enhance secure AI/ML applications for evolving operational environments.
• Implement and optimize complex algorithms, including deep learning models.
• Debug and optimize software for peak performance and reliability.
• Collaborate within Agile Scrum teams for rapid, high-quality releases.
• Maintain comprehensive system documentation and technical reports.

Basic Qualifications

• Bachelor’s degree in Computer Science or related field (or equivalent experience).
• 14+ years of relevant software engineering experience.
• Strong proficiency in Python and modern languages.
• Active TS/SCI clearance with Polygraph required.

Desired Skills & Experience

• AWS for production-scale AI/ML systems.
• Kubernetes, Docker, and cloud infrastructure expertise.
• AI/ML frameworks like TensorFlow, PyTorch, Hugging Face.
• Generative AI platforms (ChatGPT, Gemini, Grok).

Exceptional Benefits & Compensation

Earn competitively from $131,300 - $237,350 annually, plus a $25,000 sign-on bonus. Enjoy Paid Time Off, 11 holidays, 401K with 6% match, flexible schedules, stock discounts, upskilling, education support, and parental leave. Leidos values innovators who challenge norms and push boundaries in national security.

Posted December 17, 2025. U.S. positions open at least 3 days. Apply now to make a difference!