Principal Software Engineer Jobs in District of Columbia

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Principal Engineer - Electrical Power System Analytics (Remote Eligible, U.S.)

GE Vernova

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Remote

Full-time

Job Description Summary Makes decisions and recommendations recognized as fact based, reasonable, and authoritative with impact on designs, analysis, reports, etc. Demonstrates creativity, foresight, and mature judgment in anticipating and solving challenging Discipline specific and cross- Discipline problems. Defines technical strategy, plans, objectives, requirements, work scope, nuclear regulations and industry standards, guides, etc. Assesses staff competencies. Provides mentorship and overs
Posted 13 days ago | Updated 8 hours ago

Principal Engineer

MRoads

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Remote

Contract

Bethesda-Chevy Chase, MD / Remote We are seeking a highly experienced Principal Engineer / Fullstack Architect with deep expertise in Node.js, GraphQL, and ReactJS, combined with a strong background in Artificial Intelligence, particularly in building and integrating Large Language Models (LLMs). You will play a pivotal role in architecting scalable, intelligent fullstack solutions, driving innovation, and mentoring engineering teams on cutting-edge AI integration. Key Responsibilities: Lead the
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Posted 31 days ago

EAF Solution Engineer Senior- Principal

American Electric Power

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Remote or Columbus, Ohio, USA

Full-time

Job Posting End Date 07-14-2025 Please note the job posting will close on the day before the posting end date Job Summary Part of a larger team delivering high quality technology solutions to the business. Design, develop and install software solutions. Build high-quality, innovative and fully performing software in compliance with internal architecture, development & design standards & best practices. Design, modify, develop, write, implement and troubleshoot software programming applications.
Posted 6 days ago | Updated 8 hours ago

Sr Principal Systems Engineer - LINUX - Active Top Secret Required

General Dynamics Information Technology

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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 day ago

Lead Software Engineer

Booz Allen Hamilton

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Fort Meade, Maryland, USA

Full-time

Job Number: R0209591 Software Engineer, Lead 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 l
Posted 60+ days ago | Updated 8 hours ago

Sr Principal Systems Engineer - LINUX - Active Top Secret Required

General Dynamics Information Technology

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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 5 hours ago

Principal Guidance & Control Engineer

Draper

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Remote or Huntsville, Alabama, USA

Full-time

Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful and usable solutions. From military defense and space exploration to biomedical engineering, lives often depend on the solutions we provide. Our multidisciplinary teams of engineers and scientists work in a collaborative environment that inspires the cross-fertilization of ideas
Posted 8 days ago | Updated 8 hours ago

CNO Software Engineer Staff

Lockheed Martin Corporation

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Herndon, Virginia, USA

Full-time

Job Description The coolest jobs on this planet or any other are with Lockheed Martin Space. At the dawn of a new space age, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing people are on a mission to make a difference in the world and every day we use our unique skills and experiences to create, design and build solutions to some of the worlds' hardest engineering problems. Our culture encourages employees to dream big, perform with excellence and create incredible pr
Posted 60+ days ago | Updated 8 hours ago

(USA) Staff, Software Engineer

Walmart Inc.

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Remote or Dallas, Texas, USA

Full-time

Position Summary Join Walmart|VIZIO and take your career to the next level! Come help us build the next generation of smart TVs! VIZIO is looking for a Staff OS Development Engineer for our dynamic team working on the development of our current OS and firmware of Linux-based Vizio TVs. We're focused on learning, doing something new and valuable, and encouraging our team to do the same. We are looking for a highly competent C++ Developer with 10+ years' experience in design, coding, and debugging
Posted 15 days ago | Updated 7 hours ago

Principal Software Developer(hybrid)

Oracle Corporation

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Remote

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 7 hours ago

(USA) Principal, Systems and Infrastructure Engineer, Information Security

Walmart Inc.

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Remote or Denver, Colorado, USA

Full-time

Position Summary Are you ready to lead the charge in transforming our infrastructure? As a Principal, Systems and Infrastructure Engineer at Walmart/VIZIO, you will play a pivotal role in designing, building, and maintaining scalable and secure infrastructure. This is a unique opportunity to drive the migration and modernization of critical applications and systems, ensuring seamless transitions and minimal downtime. What you'll do About the Team: The Walmart/VIZIO Team is dedicated to levera
Posted 13 days ago | Updated 8 hours ago

Principal Engineer - Developer Tooling

CVS Health

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Minnesota, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w
Posted 13 days ago | Updated 8 hours ago

Associate Principal AI/ML Engineer , Data Science

Merck & Company Inc

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Remote or Cambridge, Massachusetts, USA

Full-time

Job Description Associate Principal AI/ML Engineer Our Artificial Intelligence Machine Learning (AI/ML) capabilities are critical accelerators to our mission to delivering towards inventing new medicines that save and improve lives. Core to the Data, AI, and Genome Sciences (DAGS) function is an AI/ML-first approach to improving target and biomarker discovery, validation and selection and elucidating complex disease mechanisms. As Associate Director, AI/ML Engineering, you will build state-of-
Posted 7 days ago | Updated 8 hours ago

Principal Engineer

POWER Engineers, Inc

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Remote or Meridian, Idaho, USA

Full-time

Principal Engineer Job Summary POWER Engineers, Member of WSP is seeking a senior-level electrical engineer to work as a Principal Engineer in the Power Delivery Substation Specialty Services Department in our Substation Business Unit (SBU). This individual is expected to independently develop and apply advanced engineering techniques, concepts, and approaches to unique engineering problems. This principal technical advisor role will lead in assimilating and disseminating complex engineering co
Posted 47 days ago | Updated 8 hours ago

Senior Principal Engineer - Safety Compliance - Remote, US

Johnson Controls, Inc.

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Remote or Milwaukee, Wisconsin, USA

Full-time

Build your best future with the Johnson Controls team As a global leader in smart, healthy and sustainable buildings, our mission is to reimagine the performance of buildings to serve people, places and the planet. Join a winning team that enables you to build your best future! Our teams are uniquely positioned to support a multitude of industries across the globe. You will have the opportunity to develop yourself through meaningful work projects and learning opportunities. We strive to provide
Posted 21 days ago | Updated 8 hours ago

Principal Platform Engineer, Materia AI

Thomson Reuters U.S. Inc.

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Remote or Eagan, Minnesota, USA

Full-time

Principal Platform Engineer, Materia AI Are you excited about building AI-driven software that redefines how professionals work? Join a dynamic and highly skilled team at Thomson Reuters, where we combine the agility and innovation of a startup with the stability and resources of a global leader. As a Principal Platform Engineer, you will lead the design, development, and evolution of our next-generation cloud-native platforms. You will drive technical strategy, foster engineering excellence,
Posted 30 days ago | Updated 8 hours ago

Principal Snowflake Engineer + DBT and claims data/Patient data experience - W2 only - 14+ years canidates

Empower Professionals

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Remote

Contract

Role: Principal Snowflake Engineer + DBT Location: Remote Duration: 6+ Months CTH W2 only We are looking for principal level. Very senior. Hands-on coding and can-do architecture as well. We need them to have extensive snowflake experience, as well as DBT and Healthcare experience. Hospital experience would be ideal with EPIC systems, or something similar. The healthcare experience is very important. JD: Senior Engineer Project Scope (dig into details here): Supporting the population health se
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Posted 4 days ago | Updated 3 days ago

Senior Principal Engineer - Aerothermal Fluids (Hybrid)

RTX Corporation

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Remote or Windsor, Connecticut, USA

Full-time

Date Posted: 2025-06-19 Country: United States of America Location: 01: Building 01 Windsor Locks One Hamilton Road, Windsor Locks, CT, 06096 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted r
Posted 11 days ago | Updated 7 hours ago

Generation Technologies Solution Engineer Senior - Principal

American Electric Power

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Remote or Columbus, Ohio, USA

Full-time

Job Posting End Date 07-15-2025 Please note the job posting will close on the day before the posting end date Job Summary Part of a larger team delivering high quality technology solutions to the business. Design, develop and install software solutions. Build high-quality, innovative and fully performing software in compliance with internal architecture, development & design standards & best practices. Design, modify, develop, write, implement and troubleshoot software programming applications.
Posted 4 days ago | Updated 8 hours ago

Software Engineer (ClojureJS, Google Cloud Platform, Typescript)

InfoObjects Inc

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Remote

Contract

Software Engineer (Clojure, Google Cloud Platform, Typescript) Location: 100% remote Duration: 6+ Months Contract Summary:Full stack needed, must have Clojure, Google Cloud Platform and TypescriptL4/L5 not entry level, 1+ years in testing, launching, dev**Clojure a mustSr engineer / level Staff Engineer with ClojureFull stack true full stack.The fte req looking for the front end.Contract more clojureCustomer facing ?The team work directly with CTO, she is managing the gapsAn engineering leader i
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Posted 3 days ago