We are looking for a Systems Engineering, Integration & Test (SEIT) Lead to own the technical execution of software demonstrations for classified government customers. You will turn customer mission needs into demo-ready capability. That means defining requirements and architecture, running integration and test, and delivering demonstrations on tight timelines in secure environments. You will be the technical bridge between program management, software development, and the customer, and the person who makes sure what we show works and is traceable to what the customer needs.   You will: * Lead multiple software demo efforts, from concept through customer demonstration and after-action reporting * Turn customer mission needs, CONOPS, and use cases into system requirements, demo objectives, and success criteria * Partner with the Chief Engineer and Chief Architect to own the system architecture and interface definitions (ICDs), and coordinate across software, data, and third-party/GFE components * Build and run integration and test plans, test procedures, and verification matrices (RVTM) * Plan and run demo events: environment setup, dry runs, rehearsals, go/no-go reviews, and on-site support * Partner with the infrastructure and engineering teams to maintain integration and test environments on classified networks and in SCIFs, working with security and IT on accreditation needs * Lead technical reviews (system requirements reviews, test readiness reviews) and present to customer stakeholders at the right level of technical depth * Manage technical risk, configuration baselines, and change control across fast-moving development cycles for critical demonstrations   Must Haves: * An active TS/SCI clearance * 10+ years of systems engineering experience, with 5+ years in integration and test of software-intensive systems * 3+ years in a technical lead role on DoD or IC programs * Hands-on experience delivering software demos, prototypes, or rapid capability efforts to government customers * Strong command of requirements management, verification and validation, and interface control * Experience working in classified environments (SCIFs, air-gapped networks, cross-domain constraints) * Comfortable presenting to senior government and military stakeholders * Knowledge of risk management framework (RMF) / authority to operate (ATO) processes Compensation packages at Scale for eligible roles include base salary, equity, and benefits. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position and may be inclusive of several career levels at Scale; it will be determined during the interview process based on work location and additional factors, including job-related skills, experience, qualifications, interview performance, and relevant education or training. Scale employees in eligible roles are also granted equity based compensation, subject to Board of Director approval. Your recruiter can share more about the specific salary range for your preferred location during the hiring process, and confirm whether the hired role will be eligible for equity grant. You'll also receive benefits including, but not limited to: comprehensive health, dental and vision coverage, retirement benefits, a learning and development stipend, and generous PTO. Additionally, this role may be eligible for additional benefits such as a commuter stipend. The base salary range for this full-time position in the location of Washington DC is: $166,400—$249,000 USD PLEASE NOTE: Our policy requires a 90-day waiting period before reconsidering candidates for the same role. This allows us to ensure a fair and thorough evaluation of all applicants. About Us: At Scale, our mission is to develop reliable AI systems for the world's most important decisions. Our products provide the high-quality data and full-stack technologies that power the world's leading models, and help enterprises and governments build, deploy, and oversee AI applications that deliver real impact. We work closely with industry leaders like Meta, Ernst & Young, Mayo Clinic, Time Inc., the Government of Qatar, and U.S. government agencies including the Army and Air Force. We are expanding our team to accelerate the development of AI applications. We believe that everyone should be able to bring their whole selves to work, which is why we are proud to be an inclusive and equal opportunity workplace. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability status, gender identity or Veteran status.  We are committed to working with and providing reasonable accommodations to applicants with physical and mental disabilities. If you need assistance and/or a reasonable accommodation in the application or recruiting process due to a disability, please contact us at accommodations@scale.com. Please see the United States Department of Labor's Know Your Rights poster for additional information. 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