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STR

Defense, intelligence, homeland security R&D contractor

Lead Software Engineer

Engineering LeadershipConfirmed live in the last 24 hours
Full-timeArlington County, Arlington, VA, USA$180k - $230kIn-person

About the Job

Requirements

  • PhD with 2+ years, MS with 6+ years, or BS with 8+ years of relevant experience in computer science, software engineering, computer engineering, or a related technical discipline.
  • Ability to obtain and maintain a Top Secret security clearance; U.S. citizenship is needed by the U.S. government.
  • Experience leading software development efforts or major workstreams involving applications, services, distributed systems, data platforms, or related domains.
  • Experience translating customer needs into software requirements, designs, development plans, test plans, and integrated capabilities.
  • Proficiency in one or more programming languages, such as Python, C++, Java, Go, or similar languages, with experience developing and maintaining production-quality software.
  • Experience with Git, code review, automated testing, CI/CD, containers, issue tracking, documentation, and secure software-development practices.
  • Ability to lead technical discussions, communicate risks and tradeoffs, and work effectively with customers and multidisciplinary teams.

Responsibilities

  • Lead software development from requirements definition through implementation, integration, test, demonstration, deployment, and sustainment.
  • Convert customer objectives into requirements, architectures, development plans, milestones, performance measures, and acceptance criteria.
  • Lead and mentor software engineers and collaborate with systems engineers, researchers, DevSecOps personnel, and mission partners.
  • Decompose complex work into actionable tasks; manage dependencies, technical risks, interfaces, and progress toward program objectives.
  • Design and oversee architectures spanning services, APIs, data pipelines, databases, machine-learning integrations, user interfaces, and deployment infrastructure.
  • Lead design reviews, code reviews, integration activities, testing, customer demonstrations, and release readiness; ensure reliability, security, maintainability, and performance.
  • Contribute technical content to proposals, customer engagements, and transition planning while ensuring delivered capabilities are reusable and mission relevant.

Desired Qualifications

  • Active Secret, Top Secret, or TS/SCI security clearance.
  • Experience designing system or software architectures for distributed, data-intensive, real-time, cloud, on-premises, or edge systems.
  • Experience with CI/CD, infrastructure automation, container orchestration, cloud platforms, monitoring, logging, and security tooling.
  • Experience developing software in large, multi-team code bases using collaborative engineering practices.
  • Familiarity with message queues, stream processing, distributed computing, or microservices.
  • Experience supporting technical proposals, customer demonstrations, technical briefings, or capture activities with DoW or IC customers.
  • Experience using LLM-enabled development tools, such as Cursor or Codex, in a secure and effective engineering workflow.

About the Company

STR

Defense, intelligence, homeland security R&D contractor

STR is an employee-owned technology firm serving national security agencies with R&D, software development, and integration under large federal contracts. Its three core areas are Analytics & C2, Cybersecurity, and Sensors, delivering AI-driven decision support, digital twins of embedded systems, and software-defined RF/acoustic hardware for multi-domain operations. Notable projects include DARPA's JAWS, AI for swarming drones, and sonar spoofing DSP, showing deep defense-domain focus. Its goal is to provide deployable technologies that enhance joint all-domain operations and situational awareness, while exploring commercial uses like automated medical imaging.

Company size
1,001-5,000
Company stage
N/A
Total funding
$283M
Headquarters
Woburn, MA
Founded
2010

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