Software Engineer Jobs in Virginia, United States

Northrop Grumman seeks a Software Engineer / Principal Software Engineer to develop, integrate, deploy, and sustain satellite ground software at the Dulles, VA campus. The role focuses on full‑stack development across OS, platform, and mission‑specific layers, building client and server applications using service or object‑oriented architectures and message‑bus data exchange.

Northrop Grumman seeks a Graphics Software Engineer / Principal to develop spacecraft simulation software and 3D models for national security and NASA missions. The role spans the full software lifecycle, from modeling and simulation to integration and documentation, using C/C++, Python, OpenSceneGraph, OpenGL, and Blender.

Northrop Grumman’s Test Design team in Waynesboro, VA builds integrated hardware and software solutions for secure, multi‑domain systems. The role designs real‑time data analytics, UI/UX, instrument drivers, firmware, and SW/HW integration while verifying requirements and supporting anomaly resolution.

Northrop Grumman seeks a Cyber Software Test Engineer or Principal Cyber Software Test Engineer to support SIGINT payloads at the SIGINT Technology Center in Chantilly, VA. The role involves installing, testing, and verifying software products, executing test procedures in System Integration Labs or development environments, and developing documentation such as test procedures and reports. Candidates will work on complex software systems, perform regression testing, and create automation to impr

Strategic Defense Solutions (SDS) builds highly realistic simulators for military and commercial customers. The role designs, implements, and tests multi‑threaded C/C++ software and UI components in an agile, classified lab environment.

Amentum seeks entry-level engineers for DOD R&D team. Candidates must code in C++ or Java, build efficient software, and support Agile development.

Northrop Grumman seeks a Flight Software / Principal Flight Software Engineer to develop embedded software modules and interfaces for space flight systems. The role involves collaborating with hardware engineers, program engineers, and software developers to design, debug, and integrate flight software on simulation platforms.

USN advance technology development team at Amentum builds high‑performance software for defense R&D. The Entry Level Software Engineer/Tester designs and updates GUIs and core C++ components, collaborates with users, and supports test events through occasional travel.

Software Engineer II – Training System Software (Onsite) at RTX is a full‑time role located in Sterling, VA. The position is part of the Simulation and Training Solutions (STS) business area, developing highly realistic simulators and training systems for military and commercial customers using VR, haptic feedback, and gamified scenarios. The engineer will design, develop, integrate, and test multi‑threaded software applications and user interfaces in a fast‑paced, modern agile environment.

Principal Software Engineer to join Simulation & Training Solutions (STS) in Sterling, VA. Responsible for design, development, integration, and testing of complex multi‑platform training device software and user interfaces. Lead agile teams, contribute to requirements capture, support acquisition activities, and travel to domestic and international customer sites.

Software Engineer II – Training System Software (Onsite) at RTX in Sterling, VA. Join Simulation and Training Solutions (STS) to design, develop, integrate, and test multi-threaded software and user interfaces for realistic simulators and training systems using VR, haptic feedback, gamified scenarios. Work in an agile environment with systems, hardware, and test teams.

Amentum seeks entry-level engineers for DOD R&D team. Candidates must code, optimize, and build software in C++ or Java, develop GUIs, update software with DevOps tools, and support test events via travel.

Senior Software Engineer – Training System Software (Onsite) at RTX (Collins Aerospace) seeks a highly motivated full‑stack developer to lead design, implementation, and testing of complex multi‑platform training device software and user interfaces. The role is based in Sterling, VA, within the Simulation & Training Solutions (STS) business area, which develops simulators and training systems for military and commercial customers.

Northrop Grumman Mission Systems Engineering & Sciences team drives digital transformation of defense products using model‑based engineering, DevSecOps and Agile. As a Software Engineer (Principal) you will design, develop, test and maintain embedded C++ software and firmware for Linux/VxWorks platforms, collaborate with customers and suppliers, and ensure security compliance.

QTS’s Summer 2026 Internship offers hands‑on experience in the fast‑paced data center industry. Interns will participate in weekly lunch‑and‑learn sessions, a comprehensive orientation, and site‑based activities, socials, and volunteering events.

Engineering Engines Co-op – Computer or Software Engineering – US – Fall 2026 is a full‑time internship at GE Aerospace focused on designing aircraft engines for commercial and military applications. The role involves engine controls, sensors, electrical power systems, vehicle health & data management, real‑time analytics, embedded controls, engine test systems, and integration.

Lead Software Engineer - Capital One Software

Data Engineering team at Booz Allen builds a shared service layer for computational models and signal processing pipelines. The senior engineer owns backend services and data infrastructure for two integrated products, ensuring reliable, contract‑driven APIs and real‑time data pipelines.

Principal Software Engineer at Capital One Software leading cloud-based data management solutions. Build tools for data publishing, consumption, governance, and infrastructure.

Senior Software Engineer leading mission‑critical software for aerospace. Designs, develops, and validates systems, models, and simulations.