Software Engineer - TS/SCI Required - R135

Expedition Technology
vision insurance, tuition reimbursement, 401(k)
United States, Virginia, Herndon
13865 Sunrise Valley Drive (Show on map)
Aug 06, 2026
Software Engineer - TS/SCI Required Are you a software engineer who thrives on building robust, scalable systems? Do you enjoy crafting clean, maintainable code that powers mission-critical environments? At Expedition Technology (EXP), we're looking for a Software Engineer with a DevOps mindset to help us design and implement services that support verification, validation, testing, and evaluation workflows for the DoD and Intel communities. This role is ideal for someone who is a software engineer first-someone who writes production-grade Python, understands modern software architecture, and can contribute across the stack. DevOps experience is a bonus, especially if you've worked with containerized deployments and CI/CD pipelines, but your primary focus will be building the services that run in our mission environments. What You'll Do: Design and implement Python-based services and internal tools to support mission workflows Build scalable, maintainable, and testable software systems for verification and validation environments Collaborate across teams to establish best practices in software engineering, testing, and observability Contribute to the design and evolution of mission-critical environments Support deployment and automation efforts using containerization and CI/CD tools (bonus) Mentor teammates and help grow engineering capabilities across the team What You Bring: U.S. Citizenship An active TS/SCI security clearance Bachelor's degree in Computer Science, Electrical Engineering, or a related field 5+ years of experience in software engineering with a strong foundation in Python Ability to write clean, modular, and well-tested code using modern software engineering practices Solid understanding of software architecture, design patterns, and system integration Familiarity with containerization (e.g., Docker) and CI/CD tools (e.g., GitLab) is a plus Experience with Kubernetes is a bonus, but not required Familiarity with cloud platforms (e.g., AWS) is helpful, but not the primary focus A collaborative mindset and a passion for engineering excellence Why EXP? We're solving some of the nation's hardest problems with cutting-edge technology and a culture of innovation, collaboration, and autonomy. If you're ready to build systems that matter-and do it with a team that values engineering excellence-let's talk. Why Join Us? At Expedition Technology, you'll work on impactful projects that push the boundaries of what's possible with machine learning. You'll be part of a collaborative team that values innovation, technical excellence, and mission success. Join our expedition and help shape the future of intelligent systems. Clearance Required: Top Secret/SCI What do we offer our team? Expedition Technology (EXP) offers a flexible, self-directed benefits package that is designed to fit your individual needs. Benefits include: Company-paid, medical, dental and vision insurance Up to 45 days of PTO Up to 12% 401k contribution - Traditional and Roth options available Student loan repayment assistance Paid Family Leave Tuition Reimbursement - $5250/year available Referral bonus program Free tickets to sporting events, theater, concerts and more Free, onsite fitness center, onsite cafeteria with reduced-cost meals A collaborative, creative and supportive culture where you will be encouraged to push boundaries, take risks and enjoy the rewards. EXP is proud to be an Equal Opportunity Employer that believes a diverse range of talent creates an environment that fosters creativity and innovation. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, genetic information, or protected veteran status.