Top Senior Software Engineer Jobs

Serve as a Staff Software Engineer and technical authority for F-35 Mission Planning Environment engineering. Lead architecture and implementation of scalable microservices, distributed systems, Kubernetes platforms, hybrid-cloud infrastructure, IaC, secure CI/CD, and multi-language solutions. Guide multiple Scrum teams, resolve integration challenges, establish engineering standards, promote DevSecOps, document architecture, and mentor engineers.

Staff Software Engineer responsible for designing, developing, integrating, and deploying infrastructure automation capabilities. The role develops NetOps Automation products, maintains CI/CD tooling and software frameworks, supports governance, resolves cross-domain engineering issues, and contributes to technical roadmaps. Requirements include Python, Ansible, Linux, SQL, containers, web development, APIs, Git, and end-to-end software lifecycle experience. The position is fully remote but requires US citizenship.

Develop, test, document, and debug software for the next-generation F-35 Common Reprogramming Tool. Build Java-based microservices and web interfaces in an Agile DevOps environment, using containerized platforms, databases, authentication systems, and service meshes. Responsibilities include resolving software issues, applying development standards, supporting the full software lifecycle, and collaborating with F-35 customers and multidisciplinary teams.

Develops and troubleshoots software using modern object-oriented programming languages. Works collaboratively on small teams, applies critical thinking to complex hardware and software issues, and uses Agile development practices. The role may involve test automation, infrastructure as code, CI/CD, software design patterns, and C/C++ code comprehension. Candidates must be able to obtain and maintain a Top Secret clearance.

Develop and test data association algorithms for airborne sensor fusion applications. Responsibilities include algorithm design, modeling, analysis, C++ implementation, automated testing, data validation, and integration with Fusion applications. The role requires applying numerical methods, statistical gating, clustering, filtering, state estimation, and probabilistic scoring while collaborating with multidisciplinary teams and producing clear technical documentation.

Plans, develops, documents, tests, debugs, and maintains mission-focused software. Applies software engineering standards and development lifecycle practices, resolves programming issues, prepares documentation, and collaborates with users and development teams. The role supports operational mission software and may involve satellite mission planning, spacecraft operations, orbital mechanics, and aerospace systems. Requires experience with object-oriented programming, Agile methods, and modern development tools.

Develop and test software for Automatic Test Equipment supporting advanced aerospace training systems. Responsibilities include creating software designs, using MBSE, enhancing functionality, troubleshooting ATE, participating in peer reviews, integrating cross-functional systems, supporting process improvements, and engaging with customers. The role may include intermittent travel and shift work.

Develops, integrates, tests, and maintains software for C4ISR applications supporting advanced aircraft development programs. Responsibilities cover requirements analysis, software design, coding, unit testing, CSCI integration, flight testing, change request adjudication, debugging, documentation, and integration across live, simulated, laboratory, and hardware systems. The role applies software engineering standards, processes, and tools to solve complex mission problems.

Develop and integrate electronic warfare algorithms into C++ applications. Responsibilities include software design, debugging, unit and integration testing, technical reviews, algorithm optimization, experimentation, standards compliance, and collaboration with multidisciplinary Agile engineering teams. The role supports EW systems and may involve Linux, DevOps tools, CUDA, OpenGL, and static code analysis.

Develops software automation products for the Ground-based Midcourse Defense weapon system. Responsibilities include software development lifecycle activities, requirements management, test automation, post-test analysis, system integration, verification and validation, and collaboration with cross-functional product teams. The role supports Agile development and requires an active Final Secret clearance or higher. This is an on-site individual contributor position in Huntsville, Alabama.

Develops software automation products for the Ground-based Midcourse Defense weapon system. Supports automated testing and verification, software development lifecycle activities, requirements management, post-test analysis, integration, and deployment. Collaborates with product teams and customers to develop technical solutions, decompose and verify requirements, and support Agile development. The role is an on-site individual contributor in Huntsville, Alabama and requires an active Final Secret clearance or higher.

Develop and sustain cross-domain security solutions in an Agile environment. Responsibilities include Java, C++, and C# software development; SELinux policy creation and debugging; message parsing; XML schemas; network protocol integration; shell scripting; testing; and CI/CD. The role requires Linux, networking, object-oriented development, mentoring, and collaboration with development and test teams. Occasional customer-site travel may support installations or training.

Develop and maintain embedded software for aircraft navigation systems across the full software lifecycle. Design, integrate, test, debug, and troubleshoot C/C++ applications running on RTOS platforms and embedded Linux. Perform hardware/software integration, requirements analysis, verification, and system-level debugging using laboratory instrumentation. Support DevSecOps, configuration management, peer reviews, and technical design activities while mentoring junior engineers.

Develop and support high-performance computing software and workflows for scientific modeling and simulation. Port, optimize, parallelize, benchmark, and tune user codes and libraries across heterogeneous Linux environments. Provide technical user support, troubleshoot access and workspace issues, configure software environments, analyze performance, and recommend solutions for secure HPC systems. Collaborate with customers, scientists, and technical leads to meet research and data requirements.

Develops safety-critical avionics and flight software across requirements, design, implementation, integration, and flight testing. Integrates hardware subsystems with live, simulated, and laboratory systems. Works with embedded systems, Linux or RTOS environments, networking and hardware protocols, software quality processes, and air vehicle systems. Provides technical leadership, mentors junior engineers, and supports innovative national-security technologies involving autonomy and manned/unmanned teaming.

Develop and verify software for Lockheed Martin’s Spacemesh Controller team supporting SDA Transport and Tracking Layer satellite communications. Responsibilities include software design, development, testing, requirements support, and participation in critical test preparation and events. The role involves C++, Linux, Python, network protocols, packet forwarding, interface control documents, and satellite communication software architecture.

Designs, develops, integrates, tests, and maintains complex software systems for Cyber and Intelligence missions. Analyzes requirements, creates algorithms, develops database interfaces, troubleshoots performance issues, supports installations, and ensures software quality and documentation. Serves as a technical team lead and contributes to software process improvements. The role requires extensive software engineering experience, an active U.S. security clearance with polygraph, and offers work supporting national security programs.

Develops and integrates C++ and Python software for government reference architecture-compliant mission autonomy systems. Designs mission-system components for unmanned systems, ground control stations, and modeling and simulation environments. Integrates open-architecture services on advanced hardware, verifies end-to-end functionality, resolves complex technical problems, and ensures software standards are met. The role involves collaboration, documentation, testing, debugging, and work in a fast-paced defense environment requiring Secret clearance eligibility.

Designs, develops, maintains, tests, documents, and debugs Mission Management software. Modernizes a legacy product within an agile team, coordinates across teams to ensure interface compatibility, collaborates with product and scrum leadership, and resolves technical challenges while meeting software standards.

Develops and integrates software for a space-based software-defined networking experiment. Responsibilities include software design, C++/Linux/Python development, embedded hardware integration, router configuration, network scenario testing, Agile collaboration, and critical test preparation. The role supports architecture through development and test, using protocols such as IP, MPLS, and IPSec. Occasional domestic travel to support testing in Rockville, Maryland, is required.

Develops, tests, debugs, and maintains software for spaceborne and ground-based systems, including satellite payloads, ground segments, on-orbit servicing, and space domain awareness tools. Collaborates with systems engineering and mission operations teams on requirements and architecture, supports software verification and lifecycle activities, resolves software anomalies, and improves development processes, tooling, and coding standards.

Develops and supports software within the Ground Missile Defense Software Factory. Responsibilities include writing or reviewing code, applying Agile and DevSecOps practices, working with cloud platforms and PaaS infrastructure, and using containerization, orchestration, CI/CD, configuration management, and collaboration tools. The role requires an active final Secret clearance, DOD 8570 IAT Level II certification, current GWS-GNI software experience, and full-time support of an in-person closed-area environment.

Develop, test, document, debug, and maintain ground software for the Next Generation Geospatial OPIR mission. The role combines 70–80% software engineering with 20–30% Scrum Master responsibilities, including Agile collaboration, microservice development, REST and message broker integration, defect resolution, and secure, reliable software delivery. The engineer will work across teams, support high-priority fixes and occasional non-standard hours, and use AI to improve development velocity.

Develop, test, document, debug, and maintain software for Electrical Ground Support Equipment supporting the Fleet Ballistic Missile Program. Collaborate with software, systems, electrical, and test engineers using Agile practices. Contribute to modernization, automation, security, scalability, software requirements, design, lifecycle management, troubleshooting, and issue resolution. The role is fully onsite in Cape Canaveral, Florida, requires 5+ years of experience, and requires obtaining and maintaining a DoD Top Secret clearance.

Serves as both Scrum Master and software developer, leading cross-functional Agile teams while designing, developing, testing, debugging, and documenting software. Applies software development standards and lifecycle processes to mission and business applications. Collaborates across organizational and geographic boundaries, supports systems integration and testing, and works with technical teams and government stakeholders. The role requires knowledge of ground systems, networks, cloud platforms, microservices, APIs, DevOps, containerization, and modern data architecture.