Senior Java Software Engineer Jobs in Dayton, OH

Lead the modernization of mission‑critical GEOINT systems by architecting and delivering cloud‑native, data‑driven applications and microservices. In this senior role, you will shape technical direction, oversee the integration of modern pipelines, and develop secure, scalable solutions that directly impact analysts performing high‑consequence missions.

You’ll serve as a technical leader who advises on architecture, mentors engineers, and drives engineering excellence across complex modernization efforts.

• Lead architecture, design, and implementation of full‑stack capabilities across cloud‑native microservices
• Own major system components and guide the technical roadmap for modernization and cloud adoption
• Develop distributed, secure, scalable back‑end services using Python, Java / Spring Boot, or similar technologies
• Architect and govern cloud deployments (AWS), including Kubernetes clusters, IaC, security controls, and reliability patterns
• Guide teams in DevSecOps execution, including GitLab CI / CD pipelines, automated testing, secure coding standards, and supply‑chain integrity
• Integrate large‑scale data, search, or analytic pipelines, such as Kafka, NiFi, Elasticsearch
• Partner with product owners, mission users, and cross‑functional engineering teams to define requirements and technical strategy
• Mentor and support mid‑level and junior engineers; perform code reviews and drive engineering best practices
• Evaluate emerging technologies such as LLMs / AI, synthetic data, augmented development tools for mission applicability

• 6+ years of experience with full‑stack software engineering
• Experience leading technical delivery or architecture for cloud‑native or distributed systems
• Experience with Python, C++, Java, Spring Boot, or enterprise service stacks
• Experience with SQL or NoSQL databases such as PostgreSQL, DynamoDB, MongoDB, or SQLite
• Experience architecting and deploying solutions using AWS (preferably) or Azure cloud frameworks
• Experience with containerization and orchestration such as Docker and Kubernetes
• Experience with complex API ecosystems such as FastAPI, REST, gRPC, or GraphQL
• Experience building secure, high‑performance applications in classified or highly restricted environments
• Active TS/SCI clearance; willingness to take a polygraph exam
• Bachelor’s degree in a STEM field

• Experience working with automated testing tools to perform testing and maintenance
• Experience with AI‑augmented development workflows or agentic tools, such as Codex, Claude, OpenAI models, or other multi‑agent approaches
• Expertise with distributed search or data platforms such as Elasticsearch, OpenSearch, Solr, Kafka, NiFi
• Experience modernizing legacy applications into modern frameworks
• Experience with IaC tools such as Terraform or CloudFormation
• Experience integrating AI / ML or LLM‑based development workflows
• Experience supporting GEOINT or Intelligence Community analytic missions
• Master’s degree in Computer Science, Software Engineering or a related field

Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI clearance is required.

• Remote: If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility.
• Hybrid: If this position is listed as hybrid, you will be expected to work from a Booz Allen facility frequently, in alignment with leadership expectations and the needs of the role. You may also be required to work from or visit a customer facility.
• Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.

The projected compensation range for this position is $86,800.00 to $198,000.00 (annualized USD). Salary is determined by various factors including location, education, skills, and experience. This posting will close within 90 days from the posting date.

All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.