Jobs at Software Guidance & Assistance, Inc. (SGA, Inc.)

This onsite Principal Command & Telemetry Software Modernization Engineer role is based in Aurora, Colorado, within the Air & Space Defense Systems unit of RTX. The position focuses on designing, developing, and maintaining software for satellite ground systems using Java, C++, and modern DevSecOps practices. Key responsibilities include working in an Agile environment to implement multi-tiered architectures, microservices, and cloud services while integrating command and telemetry technologies. The role appeals to engineers seeking to solve complex aerospace challenges with a team dedicated to national security and innovation. It offers opportunities to master advanced technologies like containerization and AWS, supported by a culture rooted in safety, trust, and collaboration. Relocation assistance is available for qualified candidates.

This onsite Senior Command & Telemetry Software Modernization Engineer role is based in Aurora, Colorado, within the Air & Space Defense Systems unit of RTX. The position focuses on designing, developing, and maintaining software for satellite ground systems using Java and C++ in an Agile environment. Key responsibilities include implementing multi-tiered architectures, utilizing AWS web services, and applying modern DevSecOps and continuous integration techniques. The role offers the opportunity to work on cutting-edge space-based systems and gain expertise in flight dynamics and spacecraft operations. It appeals to engineers seeking to solve complex national security challenges while contributing to a culture rooted in safety, trust, and innovation. Relocation assistance is available for qualified candidates.

This onsite Principal Command and Telemetry Software Modernization Engineer role is based in Aurora, Colorado, within the Air & Space Defense Systems unit of RTX. The position focuses on designing, developing, and maintaining software for satellite ground systems using Java, C++, and modern DevSecOps practices. Key responsibilities include working in an Agile environment to implement multi-tiered architectures, microservices, and cloud services while integrating command, telemetry, and flight dynamics technologies. The role appeals to engineers seeking to solve complex aerospace challenges with a team dedicated to national security and innovation. Candidates will gain exposure to advanced technologies like containerization and AWS while contributing to mission-critical defense systems. An active TS/SCI security clearance and U.S. citizenship are mandatory requirements for this full-time, on-site position.

This senior software engineering role within Apple's Identity Management Services team focuses on building scalable, secure infrastructure that supports billions of user interactions across platforms like iCloud, Apple Pay, and the App Store. Key responsibilities include designing and developing high-performance distributed systems for authentication and user lifecycle management, leading architectural decisions for REST and RPC services, and integrating machine learning capabilities into identity workflows. The position offers the opportunity to work with cutting-edge technologies in a dynamic environment where contributions directly impact global operations. It appeals to engineers passionate about innovation at scale, offering a collaborative culture with top-tier talent and the chance to drive technical excellence in mission-critical systems.

The Manager - Software Engineering role leads a team within Computer Services, Inc., focusing on the development and maintenance of core banking and financial technology products. Key responsibilities include overseeing the full software delivery lifecycle, managing team hiring and performance, and ensuring project deadlines and budgets are met. The position requires balancing tactical leadership with strategic planning to drive continuous improvement and cross-team collaboration. This opportunity appeals to candidates seeking to shape the future of banking for community financial institutions within a collaborative, forward-thinking culture. The role offers a challenging environment to leverage technical expertise while fostering a strong sense of accountability and teamwork.

This senior software engineering role focuses on designing and operating the next generation of CLEAR's secure data platform to support its mission of frictionless digital identity. The position involves building scalable batch and streaming pipelines, developing end-to-end data products, and implementing infrastructure-as-code to enable self-service capabilities for analysts and engineers. Key responsibilities include ensuring data reliability, optimizing security and costs, and collaborating with stakeholders to drive architectural decisions. The role appeals to candidates seeking to work with modern technologies like Python, SQL, and cloud services in a mission-driven environment that prioritizes member privacy. The position is based on-site and offers a collaborative culture with comprehensive benefits focused on well-being and professional growth.

This Staff Software Engineer role within Anduril's ArsenalOS team focuses on architecting distributed systems for the Manufacturing Execution System. The position involves designing scalable infrastructure to orchestrate production workflows, including work order management, scheduling, and material flow, while bridging the gap between manufacturing operations and platform foundations. Key responsibilities include defining technical architecture for high-availability systems, leading engineering excellence through hands-on implementation, and driving cross-team collaboration to integrate production requirements into broader technical decisions. The role appeals to engineers seeking to build the strategic digital backbone of a hardware enterprise, offering the opportunity to transform manual factory processes into adaptive, software-defined networks. The position requires U.S. Person status and offers a high-impact environment where technical decisions directly influence the speed and scalability of critical defense manufacturing operations.

This senior software engineering role within T-Mobile's Subscription Product Engineering team focuses on designing and deploying scalable backend services and microservices for customer lifecycle applications. Key responsibilities include developing RESTful APIs, integrating billing systems, troubleshooting complex technical issues, and mentoring junior engineers to maintain high platform reliability. The position appeals to candidates seeking a culture of innovation and growth within an agile environment that values the Un-carrier philosophy. While the role requires some travel, it offers significant opportunities for professional development through a jungle gym career structure and access to comprehensive benefits including stock grants and tuition assistance.

This senior software engineering role within Lockheed Martin's IT and Cybersecurity department focuses on designing and managing software systems that support national security initiatives. The position involves tackling deep technical challenges, developing solutions across various programming environments, and ensuring alignment with high standards of technological advancement. The role appeals to professionals seeking to contribute to cutting-edge projects in a culture that values innovation, ethics, and teamwork. It offers the opportunity to work on pivotal projects that push the boundaries of technology while collaborating with a dedicated team in the defense and aerospace industry.

This senior software engineering role within Saab Inc.'s Autonomous and Undersea Systems division focuses on developing and maintaining software for unmanned maritime vehicles. The position involves designing, implementing, and testing code across Linux, Windows, and embedded platforms while supporting the full product lifecycle from prototyping to delivery. Key responsibilities include applying software engineering best practices to solve complex challenges, conducting technical reviews, and collaborating with stakeholders to define system architectures. The opportunity is appealing for its chance to witness deployed systems at sea and contribute to critical defense capabilities. The role offers a collaborative culture with professional growth, comprehensive benefits, and requires up to 25% travel for domestic and international projects.

The Senior Software Engineer role within Saab Inc.'s Autonomous and Undersea Systems division focuses on defining, architecting, and maintaining software for unmanned maritime vehicles. Key responsibilities include designing and implementing code in C/C++ and Python across Linux and embedded platforms, supporting simulation and integration activities, and participating in the full product lifecycle from prototyping to delivery. This position appeals to engineers seeking to solve complex challenges in the defense sector while witnessing their systems operate at sea. The role offers professional growth within a world-class team, a business casual culture, and opportunities for travel up to 25 percent. Candidates must be U.S. citizens eligible for a security clearance.

The Senior Software Engineer role within Saab Inc.'s Autonomous and Undersea Systems division focuses on architecting and maintaining software for unmanned maritime vehicles. Key responsibilities include designing and implementing solutions in C/C++ and Python across Linux and embedded platforms, supporting full product lifecycle activities from prototyping to verification, and collaborating with cross-functional teams on complex technical challenges. This position offers the unique appeal of witnessing deployed systems in real-world maritime operations while contributing to national defense and safety. The role is based in Quincy, MA or Cranston, RI, with occasional travel required, and provides a collaborative environment with significant professional growth opportunities, comprehensive benefits, and a focus on work-life balance.

The Senior Software Engineer role within Saab Inc.'s Autonomous and Undersea Systems division focuses on defining, architecting, and maintaining software for unmanned maritime vehicles. Key responsibilities include designing and implementing code in C/C++ and Python across Linux and embedded platforms, supporting simulation and integration activities, and participating in the full product lifecycle from prototyping to delivery. This position appeals to engineers seeking to solve complex challenges in the defense sector while witnessing their systems operate at sea. The role offers opportunities for professional growth within a world-class team, a business casual culture, and a work arrangement that includes up to 25% travel for domestic and international projects.

The Senior Software Engineer role within Saab Inc.'s Autonomous and Undersea Systems division focuses on defining, architecting, and maintaining software for unmanned maritime vehicles. Key responsibilities include designing and implementing code in C/C++ and Python across Linux and embedded platforms, supporting simulation and integration activities, and participating in the full product lifecycle from prototyping to delivery. This position appeals to engineers seeking to solve complex challenges in the defense sector while witnessing their systems operate at sea. The role offers professional growth within a world-class team, a business casual culture, and opportunities for travel up to 25 percent. Candidates must be U.S. citizens eligible for a security clearance.

The Senior Software Engineer role within Saab Inc.'s Autonomous and Undersea Systems division focuses on architecting and maintaining software for unmanned maritime vehicles. Key responsibilities include designing and implementing code in C/C++ and Python across Linux and embedded platforms, supporting simulation and integration activities, and participating in the full product lifecycle from prototyping to delivery. The position appeals to engineers seeking to solve complex challenges in the defense sector while witnessing their systems operate at sea. The team offers a collaborative environment with opportunities for professional growth, comprehensive benefits, and a business casual culture. The role is based in Quincy, MA or Cranston, RI, with potential travel up to 25% for project needs.

The Senior Software Engineer role within Saab Inc.'s Autonomous and Undersea Systems division focuses on architecting and maintaining software for unmanned maritime vehicles. Key responsibilities include designing and implementing code across Linux, Windows, and embedded platforms, supporting simulation and integration activities, and participating in the full product lifecycle from development to delivery. The position appeals to engineers seeking to solve complex challenges in the defense sector while witnessing their systems operate at sea. The team offers a collaborative environment with opportunities for professional growth, comprehensive benefits, and a work arrangement that includes up to 25% travel for domestic and international projects.

The Senior Software Engineer role within Saab Inc.'s Autonomous and Undersea Systems division focuses on architecting and maintaining software for unmanned maritime vehicles. Key responsibilities include designing and implementing code in C/C++ and Python across Linux and embedded platforms, supporting full product lifecycle activities from prototyping to verification, and collaborating with technical teams to solve complex engineering challenges. The position is appealing for its opportunity to witness deployed systems at sea and contribute to critical defense capabilities. It offers a collaborative culture with significant professional growth, comprehensive benefits, and a hybrid work arrangement requiring up to 25% travel. Candidates must be U.S. citizens eligible for a security clearance.

The Senior Software Engineer role within Saab Inc.'s Autonomous and Undersea Systems division focuses on defining, architecting, and maintaining software for unmanned maritime vehicles. Key responsibilities include designing and implementing code in C/C++ and Python across Linux and embedded platforms, supporting simulation and integration activities, and participating in the full product lifecycle from prototyping to delivery. This position appeals to engineers seeking to solve complex challenges in the defense sector while witnessing their systems operate at sea. The team offers a collaborative environment with opportunities for professional growth, comprehensive benefits, and a business casual culture. The role is based in Quincy, MA, or Cranston, RI, with potential travel up to 25% for project needs.

The Senior Software Engineer role within Saab Inc.'s Autonomous and Undersea Systems division focuses on defining, architecting, and maintaining software for unmanned maritime vehicles. Key responsibilities include designing and implementing code in C/C++ and Python across Linux and embedded platforms, supporting full product lifecycle activities from simulation to delivery, and collaborating with stakeholders on technical tradeoffs. This position appeals to engineers seeking to solve complex challenges in the defense sector while witnessing their systems operate at sea. The role offers a collaborative culture with significant professional growth, comprehensive benefits, and opportunities for career advancement within a world-class team. The position is based in Quincy, MA or Cranston, RI, with up to 25% travel required for project needs.

The Senior Software Engineer role within Saab Inc.'s Autonomous and Undersea Systems division focuses on architecting and maintaining software for unmanned maritime vehicles. Key responsibilities include designing, implementing, and testing code across Linux, Windows, and embedded platforms using C/C++ and Python, while supporting the full product lifecycle from prototyping to delivery. The position appeals to engineers seeking to solve complex challenges in the defense sector with the unique opportunity to witness their systems operate at sea. The team offers a collaborative environment with significant professional growth, comprehensive benefits, and a business casual culture. The role is based in Quincy, MA or Cranston, RI, with up to 25% travel required for project needs.

The Senior Software Engineer role within Saab Inc.'s Autonomous and Undersea Systems division focuses on architecting and maintaining software for unmanned maritime vehicles. Key responsibilities include designing and implementing solutions in C/C++ and Python across Linux, Windows, and embedded platforms, while supporting the full product lifecycle from modeling and simulation to verification and delivery. This position appeals to engineers seeking to solve complex challenges in the defense sector and witness their systems operate at sea. The role offers professional growth within a world-class team, a business casual culture, and opportunities for travel up to 25%. Candidates must be U.S. citizens eligible for a security clearance.

The Senior Software Engineer role within Saab Inc.'s Autonomous and Undersea Systems division focuses on defining, architecting, and maintaining software for unmanned maritime vehicles. Key responsibilities include designing and implementing code in C/C++ and Python across Linux, Windows, and embedded platforms, while supporting the full product lifecycle from simulation to delivery. This position appeals to engineers seeking to solve complex challenges in the defense sector and witness their systems operate at sea. The team offers a collaborative environment with opportunities for professional growth, comprehensive benefits, and a business casual culture. The role is based in Quincy, MA, or Cranston, RI, with occasional travel required for project needs.

The Senior Software Engineer role within Saab Inc.'s Autonomous and Undersea Systems division focuses on defining, architecting, and maintaining software for unmanned maritime vehicles. Key responsibilities include designing and implementing code in C/C++ and Python across Linux and embedded platforms, supporting simulation and integration activities, and participating in the full product lifecycle from prototyping to delivery. This position appeals to engineers seeking to solve complex challenges in the defense sector while witnessing their systems operate at sea. The role offers professional growth within a world-class team, a business casual culture, and opportunities for travel up to 25 percent. Candidates must be U.S. citizens eligible for a security clearance.