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Senior Software Systems Engineer

Navius Technologies

$240,000 - $280,000
Jul 31, 2025
Annapolis Junction, MD, US
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Navius Technologies is seeking a Senior Software Systems Engineer to support mission-critical programs, focusing on driving software-heavy systems from concept to delivery in highly secure environments. The role involves shaping complex system architectures, integrating scalable software solutions, and ensuring end-to-end technical alignment.

Requirements

  • Design, develop, and maintain scalable, secure Java-based applications within distributed cloud architectures (AWS, Azure, or GCP).
  • Serve as a bridge between software implementation and systems-level integration, ensuring functional alignment across services, APIs, and infrastructure.
  • Lead the implementation of AI/ML capabilities in operational pipelines, coordinating with data science and platform teams.
  • Conduct performance analysis and optimization across application tiers and system boundaries.
  • Contribute to CI/CD pipeline design and infrastructure-as-code practices to support automated deployments and monitoring.
  • Collaborate with systems engineers, DevOps, and solution architects to translate system requirements into working software components.
  • Support full SDLC including requirements analysis, system-level documentation, and verification/testing.

Responsibilities

  • Lead or contribute to Integrated Product Teams (IPTs) focused on designing and developing complex software-centric capabilities.
  • Implement Service-Oriented Architecture (SOA) solutions and develop system/service views
  • Perform Data Engineering of both structured and unstructured datasets.
  • Participate in software design reviews, CCB meetings, and technical milestone events; coordinate cross-discipline resolutions.
  • Develop and maintain interface definitions, control documents, and configuration baselines.
  • Lead or support verification, validation, and test planning to ensure system deliverables meet functional and security requirements.
  • Apply knowledge of Information Assurance (IA) technologies (e.g., authentication, access control, cryptography) to systems designs.

Other

  • Active TS/SCI with Polygraph
  • Minimum 20 years of relevant Systems Engineering experience (with a strong emphasis in software-driven environments).
  • Proven experience leading full-lifecycle engineering for complex software or hybrid systems
  • Strong familiarity with SOA, Agile development, and DevSecOps environments
  • Demonstrated experience supporting C&A efforts, interface design, and software integration