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.
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