Principal Solutions Architect, Mission Platforms - Clearance Required

Principal Solutions Architect, Mission Platforms - Clearance Required Job Locations US-VA-Fort Belvoir Overview LMI is seeking a Principal Solutions Architect to shape the technical direction of a U.S. Army technology modernization program. This role will connect mission requirements with practical architecture across commercial software, cloud, data, cybersecurity, and user-facing applications. The Principal Solutions Architect will work directly with customer leaders and engineering teams, owning technical decisions from strategy through implementation. LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed. Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors-helping agencies navigate complexity and outpace change. Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and drive lasting value. Responsibilities Own the target architecture and technical roadmap for an integrated mission platform. Translate mission and business requirements into executable technical approaches. Evaluate commercial platforms and determine how they should integrate with Army systems and environments. Lead architecture reviews and resolve cross-cutting technical decisions. Guide engineering teams on scalability, security, interoperability, and sustainment. Develop prototypes or technical validation when needed to reduce delivery risk. Explain complex technical decisions and tradeoffs to senior technical and nontechnical stakeholders. Qualifications Minimum Qualifications Bachelor's degree in computer science, engineering, information technology, or a related field, or equivalent practical experience. Ten or more years of experience in solutions architecture, software architecture, systems engineering, or technology modernization. Broad technical experience across SaaS products, cloud platforms, enterprise data, software delivery, and cybersecurity. Demonstrated ownership of architecture for a complex production system or platform. Experience working directly with engineering teams and senior customer stakeholders. Experience supporting a Department of Defense customer. Strong technical writing, briefing, and decision-making skills. Active Secret clearance. Preferred Qualifications Experience supporting the U.S. Army. Familiarity with Army enterprise technology, cybersecurity, and data requirements. Experience supporting Army acquisition or soldier-systems organizations. Familiarity with PEO Soldier or Soldier Clothing and Individual Equipment programs. Experience with AWS, Palantir Foundry, Army Vantage, or comparable platforms. Relevant cloud, cybersecurity, architecture, or systems-engineering certification. The target salary range for this position is $163,301 - $240,653.79. The salary range displayed represents the typical salary range for this position and is not a guarantee of compensation. Individual salaries are determined by various factors including, but not limited to location, internal equity, business considerations, client contract requirements, and candidate qualifications, such as education, experience, skills, and security clearances.

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