Senior Software Developer TS/SCI

Confidential OpportunitySenior Software Developer TS/SCIA confidential defense-industry employer in Tucson, Arizona, seeks a Senior Software Developer to build advanced geolocation and communication systems. This role demands a TS/SCI clearance and at least fifteen years of software engineering expertise, offering the chance to make a direct impact on national security missions.Role SnapshotCompanyConfidential EmployerLocationTucson, Arizona, USAIndustryDefenseCompensationDOEEmployment TypeFull Time/Direct HireRemote StatusNo RemoteTotal Openings1Work Experience15 yearsOpportunityThis is more than a development role-it is a chance to embed yourself at the heart of national security innovation. A confidential employer in Tucson's defense corridor is looking for a Senior Software Developer who can turn complex signal-processing challenges into mission-ready software. If you want your code to matter in real-time operations, this position is built for you.You will collaborate with electrical engineers, mathematicians, and computer scientists in a hands-on R&D environment, creating geolocation and digital communications systems. Every day, you will design algorithms, write efficient code, and deploy solutions that directly support defense intelligence. Your work will span the full lifecycle, from prototyping and lab testing to field installations where your software runs on front-line systems.The ideal candidate thrives when given autonomy and ambiguous problems. You are a self-starter who enjoys mastering new technologies and leading by example. With deep Golang expertise and a track record of building scalable APIs, you bring both technical depth and the communication skills to mentor peers. You hold an active TS/SCI clearance and are ready to solve the kind of problems that can't be googled.This opportunity includes full relocation to sunny Tucson, a city known for its vibrant outdoor lifestyle and growing tech community. You will join a team that values tenacity, respects your ideas, and rewards direct contributions to the nation's security. If you're ready to take ownership of high-impact systems and see your solutions make a difference, apply today and start a conversation that is entirely confidential.Non-NegotiablesYou must hold an active TS/SCI security clearance and U.S. citizenshipYou need a degree in Computer Engineering or Computer Science, with advanced degrees preferredYou bring at least fifteen years of professional software engineering experienceYou have expert-level proficiency in Golang and deep understanding of data structures and algorithmsYou possess extensive experience designing and building high-quality APIs and integrating third-party servicesYou demonstrate a strong command of modern software engineering practices that ensure testability, readability, and maintainabilityYou are skilled in architecting software systems that meet stringent functionality, performance, and scalability requirements What's In It For YouYou will receive full relocation support to Tucson, ArizonaYou will collaborate with a multi-disciplinary team of electrical engineers, mathematicians, and computer scientists on cutting-edge geolocation and communications systemsYour work directly supports national security defense missions, providing a tangible sense of purposeThe role offers exposure to all functional areas, from R&D to deployment, allowing you to see your ideas turned into real-world solutionsYou will have the freedom to propose and implement improvements that shape the technology you work onThe position encourages continuous learning and experimentation with the latest technologiesYou will join a results-driven environment that values tenacity and innovation ResponsibilitiesYou will design, develop, test, deploy, and operate fully integrated software solutions for advanced geolocation systemsYou will build and maintain infrastructure for modern integration between custom applications and third-party servicesYou will collaborate with product managers, designers, engineers, and stakeholders to drive successful project outcomesYou will provide technical leadership and mentorship to junior engineers, guiding their professional growthYou will stay current with emerging technologies and implement innovative solutions to enhance project capabilitiesYou will work across systems engineering, development, integration, test, and deployment, seeing your contributions yield real-world mission resultsYou will operate with autonomy and self-direction to advance complex initiatives with minimal oversight Preferred QualificationsYou have experience providing technical leadership and mentorship to junior engineersYou are highly proficient in C++ and Python for engineering and scientific applications in Linux environmentsYou possess knowledge of cloud computing platforms, particularly Amazon Web Services (AWS)You are familiar with JavaScript and modern web technologies such as VueJS or ReactYou have experience automating workflows across the enterprise and implementing DevOps practicesYour background includes DevOps and cloud computing experience with tools like GitLab, CI/CD, Docker, and KubernetesYou bring familiarity with agile development processes and leadership From Hire Perspectives Understand the signals behind engineering hiring. Hire Perspectives helps engineers and engineering employers understand the hidden signals behind hiring, career movement, technical credibility, and talent decisions. Explore Hire Perspectives → Ready for the Next Step? Apply Today if this role fits your background and the kind of engineering work you want to own next.