Software Engineer L3 - TS/SCI Poly required with Security Clearance

Location: Annapolis Junction, MD
Clearance Required: TS/SCI with Polygraph
Telework: Based on tasking About the Role We’re seeking a highly skilled Software Engineer to design, develop, and enhance complex software systems that support mission‑critical operations. You’ll work with large data sets, real‑time systems, advanced analytics, and modern web technologies. This role is ideal for someone who thrives in both independent and team‑based environments, enjoys solving challenging technical problems, and brings strong experience across Java, containerization, and distributed systems. What You’ll Work On * Designing, developing, and enhancing diverse software systems, including analytics tools, real‑time applications, and large‑scale data processing systems
* Reviewing and testing software components to ensure they meet design and performance requirements
* Debugging existing software, resolving defects, and improving system reliability
* Providing input on system design, including hardware/software trade‑offs and opportunities for COTS/GOTS reuse
* Integrating existing software into new or updated operating environments
* Designing and implementing algorithms that meet or exceed performance standards
* Developing data queries and building or enhancing database interfaces
* Writing and reviewing technical documentation and system artifacts
* Leading or mentoring team members as appropriate to the project
* Assisting with the development and execution of test procedures for software components
* Analyzing system performance standards and collaborating with users and engineers to develop effective solutions
What You Bring (Ideal Qualifications) * Extensive experience as a Java developer
* Hands‑on experience with Docker and containerized environments
* Comfortable working in both Windows and Linux environments
* Familiarity with the ELK Stack (Elasticsearch/Kibana)
* Experience with Niagara Files (NiFi)
* Experience with RabbitMQ
* Some web interface development experience, preferably with React
* Strong problem‑solving skills and the ability to work across complex systems
Core Capabilities of a Level 3 SWE * Analyze user requirements to derive software design and performance specifications
* Debug and correct software defects
* Recommend improvements to documentation and development standards
* Design and code new software or enhance existing systems
* Integrate software into new or modified environments
* Develop queries for databases or data repositories
* Write and review software and system documentation
* Lead teams at the appropriate level for the project
* Design or implement complex database interfaces
* Develop or implement algorithms to meet performance and functional requirements
* Assist with test procedure development and execution
* Analyze system performance and collaborate with users and engineers to develop solutions