Job Number: R0239594 DevSecOps Mission-Systems Software EngineerThe Opportunity:As a Full Stack Developer, you can resolve a problem with a complete end-to-end solution in a fast and agile environment. If you're looking for the chance to not just develop software, but to architect systems that make a meaningful difference to national defense, we need you on our team. We're seeking a seasoned Full Stack Lead with the engineering depth to build enterprise-grade mission systems and the leadership skills to guide delivery teams. As a Lead Full Stack Developer supporting The Department of War (DoW) and the Intelligence Community (IC), you'll help modernize ISR mission and weapon-system environments, integrating cloud, platform engineering, DevSecOps, microservices, and digital thread concepts into resilient software solutions. You'll ensure every solution considers the broader architecture, security posture, and future capability enhancements required to transition technologies into operational use. Join us. The world can't wait. You Have: 8+ years of experience in software engineering 3+ years of experience leading teams or technical delivery Experience architecting and deploying full stack applications, including backend services, front-end components, and API-driven integrations Experience with two modern languages, such as Python, Java, C++, JavaScript, or TypeScript Experience with a major front-end framework, such as React, Angular, or Vue Experience with CI/CD pipelines, Git-based workflows, automated testing, and secure coding practices Experience with containers and orchestration technologies such as Docker, Podman, Kubernetes, or OpenShift Experience with infrastructure-as-code and environment automation such as Terraform or Ansible Ability to obtain a Secret clearance Bachelor's degree in Computer Science or Engineering Nice If You Have: Experience integrating software with MBSE or digital engineering environments, such as SysML, Cameo, or MagicDraw Experience developing software for DoD or Intelligence Community mission systems, including ISR or weapon-system modernization Experience with MLOps, data engineering pipelines, or modeling and simulation tools including STK, MATLAB, or Simulink Knowledge of AWS, Azure, or GCP cloud architecture, zero-trust principles, service mesh, and enterprise observability tools such as Prometheus, Grafana, ELK, or OpenTelemetry TS/SCI clearance Professional Certifications such as CISSP, CKAD, CKA, AWS, Azure, or Security+ Certification Clearance:Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information. CompensationAt Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen's benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this positi