Software Engineer (TS/SCI Clearance)

About the Company Lumen Dynamics is the hyperscaler for the edge, delivering modular AI infrastructure from first deployment to AI factory with speed, scale and sovereignty. Named one of Fast Company's Most Innovative Companies and to the CNBC Disruptor 50, Lumen Dynamics’s solutions are deployed in over 60 countries globally for organizations ranging from energy to defense. With nearly $500 million in funding to date, Lumen Dynamics is backed by leading investors including Founders Fund, Lux, BlackRock and Microsoft (M12), alongside strategic partnerships with Microsoft, Dell, Palantir, NVIDIA, SpaceX, and Skydio. We are building the infrastructure layer for sovereign and edge AI - rugged, deployable compute for customers that cannot rely on centralized cloud. Working at Lumen Dynamics means taking ownership, driving autonomy, and delivering impact. You’ll tackle challenges that haven’t been solved before and help build something transformative from the ground up. What you do here will not only define your career but help further Lumen Dynamics’s mission to bridge the digital divide for customers around the world. About the role As a Software Developer in the open-source ecosystem, you will be responsible for designing, developing, and maintaining applications and services that run on container runtime like docker. You will work closely with our DevOps and Infrastructure teams to ensure robust, scalable, and efficient deployment processes. Services you build will be focused on high-performance, scalable networking solutions to meet the needs of software defined networks, telecom, and IoT applications. Location. This role is office-based at our Bellevue, Washington office. What You'll Do (Key Responsibilities) Develop and maintain microservices and applications using Golang or Java. Develop features for dynamic network management, including automatic failover, load balancing, and path selection based on real-time network conditions. Implement monitoring and alerting systems to ensure high availability and performance for deployed SD-WAN services. Design and build scalable APIs and services that enable network automation, policy enforcement, and optimized traffic routing. Collaborate with cross-functional teams to define, design, and deliver new features. Debug and resolve issues related to Kubernetes clusters and applications. Implement best practices for CI/CD pipelines, monitoring, and logging. Write comprehensive tests to ensure the reliability and stability of code. Stay up-to-date with the latest industry trends and technologies related to software defined networks, Kubernetes and cloud-native development. Required Qualifications Active TS/SCI clearance. 4-7 years of experience. Proven experience in developing applications using Golang or Java with proficiency in writing clean, maintainable, and efficient code. Hands-on experience with Docker and container orchestration. Familiarity with client-go and Kubernetes API. Experience with CI/CD tools such as Jenkins, GitLab CI, or similar. Knowledge of monitoring tools like Prometheus and Grafana, and logging tools like the ELK stack. Solid knowledge of networking protocols and technologies, including experience with network hardware such as routers, switches, and radios. Understanding of SD-WAN architecture and smart network principles Strong problem-solving skills and ability to debug complex issues, especially at the network layer. Excellent communication and teamwork skills. Ability to work in a fast-paced, agile development environment. U.S. Citizenship. Citizenship Requirements For select roles, due to the nature of our clientele and the technologies involved, there may be specific nationality or citizenship indicated in the required qualifications section. These roles may involve access to sensitive information that is subject to export control regulations or other legal restrictions. In such cases, employment offers will be contingent upon your ability to comply with these requirements. Compensation For U.S. Based candidates: To ensure fairness and transparency, the starting base salary range for this role for candidates in the U.S. are listed below, varying based on location experience, skills, and qualifications. Clearance premium: $25,000/year for active TS/SCI (and maintaining eligibility). In addition to base salary and clearance premium, this role will also be offered equity and subsidized benefits (details available upon request). Benefits Competitive base salary and equity Medical, dental, and vision (subsidized cost) Health savings accounts (HSA), flexible spending accounts (FSA), and dependent care FSAs (DCFSA) Retirement plan options, including 401(k) and Roth 401(k) Unlimited paid time off (PTO) 14 paid company holidays per year #LI-SM-2 #LI-Hybrid Compensation $130,830 — $163,530 USD You're a Great Fit if You're A go-getter with a growth mindset. You're intellectually curious, have strong business acumen, and actively seek opportunities to build relevant skills and knowledge A detail-oriented problem-solver. You can independently gather information, solve problems efficiently, and deliver results with a "get-it-done" attitude Thrive in a fast-paced environment. You're energized by an entrepreneurial spirit, capable of working quickly, and excited to contribute to a growing company A collaborative team player. You focus on business success and are motivated by team accomplishment vs personal agenda Highly organized and results-driven. Strong prioritization skills and a dedicated work ethic are essential for you Equal Opportunity Statement At Lumen Dynamics, we are committed to fostering a work environment where everyone is given equal opportunities to thrive. As an equal opportunity employer, we strictly prohibit discrimination or harassment based on race, color, gender, religion, sexual orientation, national origin, disability, genetic information, pregnancy, or any other characteristic protected by law. This policy applies to all employment decisions, including hiring, promotions, and compensation. Our hiring is guided by qualifications, merit, and the business needs at the time. Unsolicited Resumes and Candidates Lumen Dynamics does not accept unsolicited resumes or candidate submissions from external agencies or recruiters. All candidates must apply directly through our careers page. Any resumes submitted by agencies without a prior signed agreement will be considered unsolicited and Lumen Dynamics will not be obligated to pay any fees.