Principal Software Development Engineer
1 week ago
Core ResponsibilitiesThe Principal Engineer's focus shifts from project-level delivery to company-wide strategic impact and vision setting:Strategic Design and Development:Defines the high-level architecture and long-term technical roadmap for large-scale, distributed systems that span multiple teams or business units.Acts as the final decision-maker on complex system design trade-offs, ensuring scalability, performance, and security across the platform.Company-wide Problem-Solving:Independently tackles the most ambiguous and complex technical challenges that have no clear owner, setting the standard for technical excellence and innovation.Drives initiatives to significantly improve overall code performance, system efficiency, and foundational infrastructure health across the organization.Technical Governance and Code Quality:Establishes technical standards and best practices that influence the work of many engineering teams.Mentors senior engineers (SDE 3s) and holds a deep responsibility for the quality, reliability, and maintainability of the company's core systems.Collaboration and Influence:Works directly with executive leadership, product managers, and engineering directors to influence business strategy through technical expertise.Influences the work of many engineers across organizational boundaries, securing alignment on critical technical initiatives.Operational Excellence:Responsible for the long-term operational health and resilience of critical, company-wide services.Designs and advocates for architectural changes that reduce operational toil and improve on-call responsiveness at scale.
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Principal Software Development Engineer
7 days ago
Tysons, United States GTT Communications, Inc. Full timePrincipal Software Development Engineer page is loaded## Principal Software Development Engineerlocations: US VA HQ - 7900 Tysons One Place: US Colorado Remote: US Missouri Remotetime type: Full timeposted on: Posted Todaytime left to apply: End Date: February 27, 2026 (30+ days left to apply)job requisition id: R0014063**Core...
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Principal Software Engineer
4 days ago
Tysons, United States Alarm.com Full timePrincipal Software Engineer Do you love tinkering with devices? Have you automated your own home? Do you love to mentor and collaborate with other engineers? If the above holds true for you, then we would love to talk to you! is looking for a versatile Principal Software Engineer to join our team. We’re doing work in smart home technology, video analytics,...
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Senior/Principal Software Architect
6 days ago
Tysons Corner, Virginia, United States Skyline Scientific Inc Full timeJob Title/Type:Senior/Principal Software ArchitectPay Range:$150,000 - $225,000.00Are you looking for more than just a seat on a contract?Are you looking for a place where your work truly matters? At Skyline Scientific, your ideas won't get buried in bureaucracy—they'll directly shape mission-critical capabilities for the intelligence and defense...
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Principal/Staff AI Engineer
5 days ago
Tysons, United States Caveonix Full timeJoin to apply for the Principal/Staff AI Engineer role at Caveonix The Company When your operations are mission-critical, continuous cyber compliance is non-negotiable. Caveonix is the platform trusted by government agencies and large enterprises to deliver 100% compliance, 100% of the time. From the Department of Defense to the Fortune 500, organizations...
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Principal Network Security Engineer
2 weeks ago
Tysons, United States Alarm.com Full timeThe Principal Network & Security Engineer is responsible for the management, lifecycle operations, and security of the organization’s Cisco-based networking infrastructure. This individual will be expected to lead the administration, configuration, monitoring, and ongoing optimization of core network systems and platforms, as well as apply best practices...
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Principal Engineer
1 week ago
Tysons Corner, Virginia, United States Cathexis Full timeTeam CATHEXIS elevates the government contracting experience through rapid response, deep skill, and thoughtful problem-solving and communication. Our core capabilities are our top-tier program and project management, data analytics, and audit services, the backbone of which is our integrated approach to operational excellence.You worked hard to get to where...
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Software Developer
7 days ago
Tysons, United States J5 Consulting Full timeOverview J5 Consulting is a Maryland-based company established in 2006 to provide computing and consulting services for government and commercial entities. Our services improve information system networking performance and compliance and protect electronic assets from loss and compromise. We welcome your application for the following position. This position...
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Software Engineer
2 weeks ago
Tysons, United States Core One Full timeJoin our team at Core One! Our mission is to be at the forefront of devising analytical, operational and technical solutions to our Nation's most complex national security challenges. In order to achieve our mission, Core One values people first! We are committed to recruiting, nurturing, and retaining top talent! We offer a competitive total compensation...
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Software Developer
2 weeks ago
Tysons, United States J5 Consulting Full timeJ5 Consulting is a Maryland based company established in 2006 to provide computing and consulting services for government and commercial entities. Our services improve Information System networking performance and compliance and protect electronic assets from loss and compromise. We welcome your application to receive consideration for the following...
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AI Developer
1 day ago
Tysons, United States The MIL Corporation Full timeClearance Required: None Education Required: BA/BS US Citizenship: Required Summary The MIL Corporation seeks an artificial intelligence (AI) Developer (Software Engineering, Associate) to support development of AI applications and demonstrations for internal and external clients. We are seeking a motivated individual to work independently on AI solutions,...