Principal, Software Engineer Jobs in District of Columbia

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161 - 180 of 883 Jobs

Principal Cybersecurity Engineer - Cyber Defense (US Federal)

Workday, Inc.

•

McLean, Virginia, USA

Full-time

Your work days are brighter here. At Workday, it all began with a conversation over breakfast. When our founders met at a sunny California diner, they came up with an idea to revolutionize the enterprise software market. And when we began to rise, one thing that really set us apart was our culture. A culture which was driven by our value of putting our people first. And ever since, the happiness, development, and contribution of every Workmate is central to who we are. Our Workmates believe a h
Posted 60+ days ago | Updated 1 hour ago

Sr Principal Systems Engineer - LINUX - Active Top Secret Required

General Dynamics

•

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Complex Systems, Microsoft Windows Server, Systems Engineering, Systems Management Certifications: CompTIA - Security+ CE - CompTIA Experience: 15 + years of related experience ship Required: Yes Job Description: Senior Principal Systems Engineer - Linux Design,
Posted 60+ days ago | Updated 1 hour ago

Senior Software Engineer

Booz Allen Hamilton

•

Fort Meade, Maryland, USA

Full-time

Job Number: R0221713 Software Engineer, Senior The Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop software, but to create a system that will make a difference, we need you on our team. We're looking for a seasoned developer like you with the expertise needed to build software and systems from vision to production ready. This role is more than just coding. As a
Posted 37 days ago | Updated 2 hours ago

Principal Platform Software Engineer - OpenBMC Platform Architect

NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

NVIDIA's invention of the GPU in 1999 fueled the growth of the PC gaming market, redefined modern computer graphics, and revolutionized parallel computing. More recently, GPU deep learning ignited modern AI - the next era of computing - with the GPU acting as the brain of computers, robots, and self-driving cars that can perceive and understand the world. Today, we are increasingly known as "the AI computing company." We're looking to grow our company, and form teams with the most inquisitive pe
Posted 60+ days ago | Updated 1 hour ago

Remote Senior / Principal Software Developer (Full Stack)- Healthcare AI

Oracle Corporation

•

Remote

Full-time

Job Description Job Description: Are you ready to embark on a journey that will revolutionize healthcare and improve patient outcomes on a global scale? The Oracle Health division is leading the charge in healthcare innovation, and we are seeking an exceptional Principal Member of Technical Staff to join our Clinical Digital Assistant (CDA) team where you will be at the heart of this transformative mission. The Role: As a Principal Member of Technical Staff, you will be a key contributor to th
Posted 32 days ago | Updated 1 hour ago

Sr Principal Systems Engineer - Active Directory Forests - Active Top Secret Required

General Dynamics

•

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Complex Systems, Microsoft Windows Server, Systems Engineering, Systems Management, Troubleshooting Certifications: CompTIA - Security+ - CompTIA Experience: 17 + years of related experience ship Required: Yes Job Description: Sr Principal Systems Engineer -
Posted 60+ days ago | Updated 1 hour ago

Principal Engineer, Data

Verint Systems Inc

•

Remote

Full-time

Job Description At Verint, we believe customer engagement is the core of every global brand. Our mission is to help organizations elevate Customer Experience (CX) and increase workforce productivity by delivering CX Automation. We hire innovators with the passion, creativity, and drive to answer constantly shifting market challenges and deliver impactful results for our customers. Our commitment to attracting and retaining a talented, diverse, and engaged team creates a collaborative environmen
Posted 11 days ago | Updated 1 hour ago

Principal Software Developer(hybrid)

Oracle Corporation

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Remote or Nashville, Tennessee, USA

Full-time

Job Description As a member of the software engineering division, you will apply basic to intermediate knowledge of software architecture to perform software development tasks associated with developing, debugging or designing software applications or operating systems according to provided design specifications. Build enhancements within an existing software architecture and occasionally suggest improvements to the architecture.Duties and tasks are standard with some variation; displays unders
Posted 60+ days ago | Updated 1 hour ago

Remote Senior / Principal Software Developer (Back End)- Healthcare AI

Oracle Corporation

•

Remote

Full-time

Job Description Job Description: Are you ready to embark on a journey that will revolutionize healthcare and improve patient outcomes on a global scale? The Oracle Health division is leading the charge in healthcare innovation, and we are seeking an exceptional Principal Member of Technical Staff to join our Clinical Digital Assistant (CDA) team where you will be at the heart of this transformative mission. The Role: As a Principal Member of Technical Staff, you will be a key contributor to th
Posted 46 days ago | Updated 1 hour ago

RF / DSP Software Engineer level 4

Lockheed Martin Corporation

•

Maryland, USA

Full-time

Job Description WHAT WE'RE DOING Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you'll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The uninterrupted flow of energy that keeps modern
Posted 60+ days ago | Updated 1 hour ago

Sr Principal Systems Engineer - Active Directory Forests - Active Top Secret Required

General Dynamics Information Technology

•

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Complex Systems, Microsoft Windows Server, Systems Engineering, Systems Management, Troubleshooting Certifications: CompTIA - Security+ - CompTIA Experience: 17 + years of related experience ship Required: Yes Job Description: Sr Principal Systems Engineer -
Posted 60+ days ago | Updated 5 hours ago

Software Engineer Staff

Lockheed Martin Corporation

•

Springfield, Virginia, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutio
Posted 60+ days ago | Updated 1 hour ago

Sr Principal Systems Engineer - LINUX - Active Top Secret Required

General Dynamics Information Technology

•

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Complex Systems, Microsoft Windows Server, Systems Engineering, Systems Management Certifications: CompTIA - Security+ CE - CompTIA Experience: 15 + years of related experience ship Required: Yes Job Description: Senior Principal Systems Engineer - Linux Design,
Posted 60+ days ago | Updated 9 hours ago

Principal Engineer, CoCounsel Application

Thomson Reuters U.S. Inc.

•

Remote or Eagan, Minnesota, USA

Full-time

Principal Engineer, CoCounsel Application Want to shape the future of AI in legal practice? Join Thomson Reuters as a Principal Engineer and drive innovation for CoCounsel, the leading AI Assistant for legal professionals. At Thomson Reuters, we're revolutionizing legal work through our CoCounsel Platform. As Principal Engineer for CoCounsel Application, you'll partner with the Sr. Director for CoCounsel Application to define and execute the technical vision for our generative AI products, ensur
Posted 17 days ago | Updated 1 hour ago

DPHM ADEM Modeling Lead, Principal Engineer (Hybrid)

RTX Corporation

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Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-07-29 Country: United States of America Location: PW222: PW Puerto Rico Road 110 North Km28.8 San Antonio Industrial Park, Aguadilla, PR, 00603 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Pratt & Whitney is working to once again transform the future of flight-designing, building and servicing engines unlike any the world has ever seen. And because transformation begins from within, we're s
Posted 3 days ago | Updated 1 hour ago

Principal Software Developer - Virtual Networking (OCI)

Oracle Corporation

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Remote or Austin, Texas, USA

Full-time

Job Description At Oracle Cloud Infrastructure (OCI), we build the future of the cloud for Enterprises as a diverse team of fellow creators and inventors. We act with the speed and attitude of a start-up, with the scale and customer-focus of the leading enterprise software company in the world. Values are OCI's foundation and how we deliver excellence. We strive for equity, inclusion, and respect for all. We are committed to the greater good in our products and our actions. We are constantly le
Posted 60+ days ago | Updated 1 hour ago

Principal Software Developer - Virtual Networking (OCI)

Oracle Corporation

•

Remote

Full-time

Job Description At Oracle Cloud Infrastructure (OCI), we build the future of the cloud for Enterprises as a diverse team of fellow creators and inventors. We act with the speed and attitude of a start-up, with the scale and customer-focus of the leading enterprise software company in the world. Values are OCI's foundation and how we deliver excellence. We strive for equity, inclusion, and respect for all. We are committed to the greater good in our products and our actions. We are constantly le
Posted 60+ days ago | Updated 1 hour ago

Principal Engineer, Full Stack Developer (Remote)

Shield AI Inc

•

Remote

Full-time

Founded in 2015, Shield AI is a venture-backed defense technology company with the mission of protecting service members and civilians with intelligent systems. Its products include the V-BAT aircraft, Hivemind Enterprise, and the Hivemind Vision product lines. With offices in San Diego, Dallas, Washington, D.C., Boston, Abu Dhabi (UAE), Kyiv (Ukraine), and Melbourne (Australia), Shield AI's technology actively supports U.S. and allied operations worldwide. For more information, visit Follow Sh
Posted 12 days ago | Updated 1 hour ago

Sr Principal Systems Engineer - Active Directory Forests - Active Top Secret Required

General Dynamics Information Technology

•

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Complex Systems, Microsoft Windows Server, Systems Engineering, Systems Management, Troubleshooting Certifications: CompTIA - Security+ - CompTIA Experience: 17 + years of related experience ship Required: Yes Job Description: Sr Principal Systems Engineer -
Posted 60+ days ago | Updated 9 hours ago

Staff Software Engineer

IDR, Inc.

•

Remote

Contract

IDR is seeking a Staff Software Engineer to join one of our top clients remotely. This role is an exciting opportunity for a seasoned engineer with a passion for healthcare innovation and a proven track record in software development, team leadership, and problem-solving. Youll be joining a mission-driven team on the forefront of revolutionizing preventative healthcare through advanced diagnostics, personalized insights, and scalable tech. If youre energized by the idea of building technology t
Easy Apply
Posted 60+ days ago | Updated 13 days ago