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# Senior Software Engineer 3 in Annapolis Junction

- **Company:** Energy Jobline
- **Location:** Anne Arundel County, MD, United States
- **Experience:** Expert
- **Salary:** $200,000.0 - $250,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Systems Engineering, Software Documentation, Cyber Security, Databases, Data Stores, Software Debugging, Python (Programming Language), MongoDB, Simple Data Format, Software Engineering, Software Requirements Analysis, Software Systems, Spring-boot, Malware, Usage Tracking, Kotlin
- **Published:** October 13, 2026
- **Apply:** https://www.energyjobline.com/job/senior-software-engineer-3-annapolis-junction-31934024

## About the Role

* Analyze user requirements to derive software design and performance requirements, * Bachelor's and 12 years of related experience or 25 years of related experience without a degree.
 * Active TS/SCI w/ FSP required within 7 years.

## Description

Are you ready to make a significant impact by supporting critical security infrastructure? T-Rex Solutions is looking for a fully cleared Senior Software Engineer 3 to join our dynamic team at Ft. Meade, MD in support of the Intelligence Community.

We are seeking developers for a high priority and highly visible malware analysis modernization program. The individual will work with a team of dynamic and innovative engineers to develop new capabilities supporting the virtual malware containment enclave . The individual will also support the modernization of malware enrichment services., * Debug existing software and correct defects

 * Provide recommendations for improving documentation and software development process standards
 * Design and code new software or modify existing software to add new features
 * Integrate existing software into new or modified systems or operating environments
 * Develop simple data queries for existing or proposed databases or data repositories
 * Write or review software and system documentation
 * Serve as team lead at the level appropriate to the software development process being used on any particular project
 * Design or implement complex database or data repository interfaces/queries
 * Develop or implement algorithms to meet or exceed system performance and functional standards
 * Assist with developing and executing test procedures for software components
 * Develop software solutions by analyzing system performance standards, confer with users or system engineers; analyze systems flow, data usage and work processes; and investigate problem areas
 * Modify existing software to correct errors, to adapt to new hardware, or to improve its performance
 * Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design
 * Design or implement complex algorithms requiring adherence to strict timing, system resource, or interface constraints; Perform quality control on team products
 * Implement recommendations for improving documentation and software development process standards
 * Oversee one or more software development teams and ensure the work is completed in accordance with the constraints of the software development process being used on any particular project
 * Confer with system engineers and hardware engineers to derive software requirements and to obtain information on project limitations and capabilities, performance requirements and interfaces
 * Coordinate software system installation and monitor equipment functioning to ensure operational specifications are met
 * Recommend new technologies and processes for complex software projects
 * Serve as the technical lead of multiple software development teams
 * Select the software development process in coordination with the customer and system engineering
 * Ensure quality control of all developed and modified software
 * Delegate programming and testing responsibilities to one or more teams and monitor their performance

Desired Skills:

 * Kotlin
 * Spring or Spring Boot
 * Python
 * Java Application (no front end necessary), REST
 * Mongo