SW Systems Engr Principal

SAIC•Reston, VA

About The Position

SAIC is seeking a high energy, detail oriented and highly organized Principal Software Systems Engineer to lead and manage the design and maintain complex, large-scale software and infrastructure, bridging the gap between low-level system software development and high-level applications.

Requirements

US Citizen with TS/SCI clearance.
Bachelor’s degree with 10+ years of professional experience in software and systems engineering in Agile development environments, and robust hands-on expertise in MBSE tools and methodologies.
Proficiency in SysML/UML, DOORS, modern programming languages (such as C#, Java, Python, or C++) alongside deep database and cloud platform familiarity.
Strong analytical problem-solving, project estimation, and cross-functional communication abilities
Experience with Integrated Fires systems, cloud-based USSF/DAF systems, customers and missions.
Demonstrated experience working with the defense industry supporting US Government customers.

Nice To Haves

Experience with space systems, satellite architectures, ground systems, or space domain awareness.
Background in IT services, cloud solutions, or managed services for government customers.
Familiarity with IC systems, community customers and mission sets.
Prior experience in a Solutions Architect or Chief Engineer role on large government programs.
Advanced degree in Engineering, Computer Science, or a related technical field.

Responsibilities

Lead the design and implementation of scalable, reliable software modules and integrated cloud infrastructure in Cameo/Magic Draw environment in both SysML and UML.
Ensure seamless data exchange, communication, and synchronization across platforms, cloud environments, and third-party services.
Link system requirements directly to software components, functional allocations, and verification test constructs.
Utilize repository tools like Teamwork Cloud for multi-user configuration control and digital thread integration.
Guide engineering teams through technical interchanges and tasks.
Partner with executive leadership, stakeholders, the chief engineer, the lead systems engineer, product managers, and individual system engineering teams to align technical roadmaps with organizational objectives.
Ensure software interacts efficiently with systems, databases, and external interfaces.
Establish governance processes, compliance frameworks, and interface definitions to guide ongoing development across all component systems.
Mentor engineering teams, review subsystem designs, and guide technical consensus during complex problem-solving.
Diagnose and resolve complex root-cause failures across multiple layers (code, firmware, network, and storage).
Deploy applications via CI/CD pipelines, containerization (Docker/Kubernetes), and Infrastructure-as-Code frameworks.