Principal Software Engineer

STR•Arlington, VA

1d•Hybrid

About The Position

As a Principal Software Engineer, you will work as part of a tightly knit team to design, develop, implement, integrate, test, and demonstrate advanced algorithms and software systems for autonomous platforms. You will provide technical leadership and mentoring on programs working throughout the software and system development lifecycle, from early prototypes to integrated systems. Your work will develop a diverse set of software tools and applications for mission planning systems, automated control processes, unmanned platforms, DevSecOps, and CI/CD pipelines. This position is based in Woburn, MA, or Arlington, VA, and will take advantage of STR’s flexible, hybrid environment – when the work does not require use of STR’s facilities, you are welcome to work remotely.

Requirements

U.S. Citizen with ability to get a security clearance
BS in Computer Science or related technical field with 10+ years’ experience
8+ years experience with C++ or Java
Proven understanding of data structures, algorithms, concurrency, and code optimization
Proven ability to lead and manage moderate size engineering teams (5-10 engineers) through complete Agile development lifecycle including task definition, delegation, and maintenance
Demonstrated success driving industry best practices in areas such as code review, unit testing, test coverage, static analysis, etc., to ensure mature, high quality software products
Experience in leading system/software architecture design
Comfortable working both with internal leadership and external customers in the development and execution of software product plans
Experience utilizing Object-Oriented Programming principles
Experience utilizing Agile software lifecycle methodologies and tools, such as JIRA and Sonarqube
Experience utilizing Test-driven development methodologies
A demonstrated ability to adopt new languages, libraries, and technologies
Proven ability to develop, implement, integrate, and test autonomy algorithms and software

Nice To Haves

MS or PhD in Computer Science or related technical field
Experience with Collection Orchestration
Experience with Satellite Constellation Management
Experience with Coordinating Electronic Warfare resources
Experience with Reinforcement learning
Experience with Agentic AI
Experience with TCPED Management for Tactical ISR
Experience programming for embedded and physical devices
Experience with Multi-agent coordination of UxVs
Experience with MAVLINK or other C2 protocols
Experience with Unreal Engine modeling
Experience with ROS
Experience with TAK
Experience with DevSecOps and CI/CD tool chains
Experience with Integration of complex software systems
Experience with Constraint satisfaction algorithms
Experience with Knowledge representation/ontologies
Experience with Python
Active Security Clearance

Responsibilities

Design, develop, implement, integrate, test, and demonstrate advanced algorithms and software systems for autonomous platforms.
Provide technical leadership and mentoring on programs working throughout the software and system development lifecycle, from early prototypes to integrated systems.
Develop a diverse set of software tools and applications for mission planning systems, automated control processes, unmanned platforms, DevSecOps, and CI/CD pipelines.