**Description** SAIC is looking for a highly skilled **Senior** **Software Systems Engineer** to take a prominent role in the design, development, and integration of complex software systems. This position requires deep expertise in software architecture, systems engineering, and large-scale software integrations. **Responsibilities Include:** + **System Architecture & Design:** Aid and assist in the design and development of sophisticated software systems, including open standard architectures, real-time systems. Define and document high-level system architecture, design principles, and technical roadmaps. + **Open Standards:** Future Airborne Capability Environment (FACE), Modular Open System Approach (MOSA), Hardware Open System Technology (HOST), and/or Sensor Open Systems Architecture (SOSA) experience desired. + **Software Development & Optimization:** Support the design and implementation of software solutions, ensuring high-quality, maintainable, and scalable code. Assist with efforts in debugging, and optimization for large-scale systems. + **Leadership & Mentorship:** Providing guidance, mentoring, and technical direction to engineers. Be involved in architectural reviews, design discussions, and ensure adherence to best practices across the engineering team. + **Cross-Functional Collaboration:** Collaborate with managers, hardware engineers, network engineers, and other stakeholders to define system requirements and ensure seamless integration between software, hardware, and network components. + **Innovation & Technology Evaluation:** Stay current on emerging technologies and industry trends, new tools, frameworks, and methodologies that improve the development process and system performance. + **Documentation & Communication:** Responsible for creation of detailed technical documentation, including system designs, APIs, and architectural diagrams. Communicate complex technical concepts clearly to non-technical stakeholders and executives. **Qualifications** **Required Education:** + BS degree and five (5) years of experience; four (4) years of experience accepted in lieu of degree **Required Skills:** + Broad systems engineering experience (e.g. system architecture and design, systems documentation, system requirements, CONOPS, systems verification) + Expertise in system architecture, software design patterns, and large-scale system integration + Experience with Model Based Software Development (MBSD) and the Agile development process **Required Clearance:** + Active Secret security clearance with the ability to obtain TS/SCI security clearance SAIC accepts applications on an ongoing basis and there is no deadline. Covid Policy: SAIC does not require COVID-19 vaccinations or boosters. Customer site vaccination requirements must be followed when work is performed at a customer site. REQNUMBER: 2500679 SAIC is a premier technology integrator, solving our nation's most complex modernization and systems engineering challenges across the defense, space, federal civilian, and intelligence markets. Our robust portfolio of offerings includes high-end solutions in systems engineering and integration; enterprise IT, including cloud services; cyber; software; advanced analytics and simulation; and training. We are a team of 23,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $6.5 billion. For more information, visit saic.com. For information on the benefits SAIC offers, see Working at SAIC. EOE AA M/F/Vet/Disability