Principal Software Engineer Jobs in District of Columbia

141 - 160 of 889 Jobs

Principal Systems EngineerJob Title - Principal Systems Engineer

LeidosCompany Name - Leidos

•

Fort Meade, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Principal System Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate ves

Staff Engineer, Software (R3175)Job Title - Staff Engineer, Software (R3175)

Shield AI IncCompany Name - Shield AI Inc

•

Washington, District of Columbia, USA

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., 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 Shield AI

Principal Integration Engineer SPMJob Title - Principal Integration Engineer SPM

LeidosCompany Name - Leidos

•

Reston, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for an Integration Scrum Team PM in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate ves

Principal SAP EngineerJob Title - Principal SAP Engineer

Montek SystemCompany Name - Montek System

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Remote

Contract

Principal SAP Engineer Location: Columbus, OH or Merrillville, IN THEY CAN WORK MOSTLY REMOTE TILL THEY GO FTE IN 6 MOUNTS Overview: This is a senior technical leadership role responsible for delivering and continuously improving SAP solutions that support key platforms such as Work Asset Management (WAM), Finance, and HR. The role blends architecture, hands-on development, and cross-team collaboration. Key Responsibilities: Lead SAP S/4HANA and ECC implementations, including BASIS, ABAP, and G

FLEX Senior Software Engineer - Salesforce OMSJob Title - FLEX Senior Software Engineer - Salesforce OMS

Marriott InternationalCompany Name - Marriott International

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Bethesda, Maryland, USA

Full-time

Job Description This is a temporary position. Senior Software Engineer - Salesforce OMS Marriott International is seeking a Senior Software Engineer, Salesforce OMS for the implementation and on-going support of a new OMS & Commerce platform. The ideal candidate will be part of a collaborative project team, responsible for understanding business requirements, development, reviewing code, writing unit test scenarios, and fixing defects for in-use modules/applications. He/she will be responsible

Principal Engineer - ElectricalJob Title - Principal Engineer - Electrical

Bechtel CorporationCompany Name - Bechtel Corporation

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Reston, Virginia, USA

Full-time

Requisition ID: 282715 Relocation Authorized: National - Family Telework Type: Part-Time Telework Work Location: Reston, VA Extraordinary teams building inspiring projects: Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world's infrastructure, increased access to energy, resources, and vital services, and made the world a safer, cleaner place. Differentiat

Principal Cybersecurity EngineerJob Title - Principal Cybersecurity Engineer

NuLeapCompany Name - NuLeap

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Remote or US

Third Party

Job Summary (List Format): - Lead the design and implementation of secure, scalable, and high-performance cloud-based systems. - Architect and develop backend systems using Rust (Tokio, Actix, Axum, Rocket) and Scala (Akka, ZIO, Cats, Play). - Ensure secure execution environments utilizing WebAssembly (WASM). - Employ extensive AWS services (Lambda, ECS, S3, API Gateway, CloudFront, DynamoDB, GuardDuty, WAF, Security Hub, KMS) for cloud infrastructure and security. - Implement and enforce AP

Staff Engineer, Software Perception (R3554)Job Title - Staff Engineer, Software Perception (R3554)

Shield AI IncCompany Name - Shield AI Inc

•

Washington, District of Columbia, USA

Full-time

Principal Integration EngineerJob Title - Principal Integration Engineer

LeidosCompany Name - Leidos

•

Chantilly, Virginia, USA

Full-time

Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. The Leidos National Security Sector (NSS) combines technology-enabled services and mission software capabilities in th

Principal Engineer, Product DevelopmentJob Title - Principal Engineer, Product Development

Micron Technology, Inc.Company Name - Micron Technology, Inc.

•

Manassas, Virginia, USA

Full-time

Our vision is to transform how the world uses information to enrich life for all. Micron Technology is a world leader in innovating memory and storage solutions that accelerate the transformation of information into intelligence, inspiring the world to learn, communicate and advance faster than ever. As DRAM Engineering Group (DEG) Product Principal Engineers we are responsible for running technical projects to align product performance and manufacturing flows across DRAM products. We define pr

Senior Principal Photonics EngineerJob Title - Senior Principal Photonics Engineer

RTX CorporationCompany Name - RTX Corporation

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Columbia, Maryland, USA

Full-time

Date Posted: 2025-03-24 Country: United States of America Location: MD721: HS Columbia MD 7100 Columbia Gateway Dr Suite 160, Columbia, MD, 21046 USA Position Role Type: Onsite At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's

Senior Software EngineerJob Title - Senior Software Engineer

Booz Allen HamiltonCompany Name - 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

Lead Software EngineerJob Title - Lead Software Engineer

Realm OneCompany Name - Realm One

•

Maryland, USA

Full-time

We're seeking a Lead Software Engineer to collaborate with system users, requirements owners and developmental contractors to translate operational requirements. If you are ready to support a high-performing team that truly makes a difference, thencome join us! Job Description: Essential Duties and Responsibilities: Collaborates with system users, requirements owners, and developmental contractors to translate operational requirements into software requirements, designs, and implementations.P

Principal Platform Software Engineer - OpenBMC Platform ArchitectJob Title - Principal Platform Software Engineer - OpenBMC Platform Architect

NVIDIA CorporationCompany Name - NVIDIA Corporation

•

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

Principal Cybersecurity Engineer - Cyber Defense (US Federal)Job Title - Principal Cybersecurity Engineer - Cyber Defense (US Federal)

Workday, Inc.Company Name - 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

Sr Principal Systems Engineer - LINUX - Active Top Secret RequiredJob Title - Sr Principal Systems Engineer - LINUX - Active Top Secret Required

General Dynamics Information TechnologyCompany Name - 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,

Principal Test EngineerJob Title - Principal Test Engineer

LeidosCompany Name - Leidos

•

Reston, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for a Principal Test Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vestin

Lead Machine Learning EngineerJob Title - Lead Machine Learning Engineer

JobotCompany Name - Jobot

•

Falls Church, Virginia, USA

Full-time

ML Engineer Tysons Corner, VA This Jobot Job is hosted by: Charles Simmons Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $150,000 - $200,000 per year A bit about us: Our client is a well-funded deep tech company headquartered in Northern Virginia, building a suite of autonomous software reliability and testing products. Their team is collaborative, highly technical, and customer focused. They prioritize the long-term in our structure, our

Sr Principal Systems Engineer - LINUX - Active Top Secret RequiredJob Title - Sr Principal Systems Engineer - LINUX - Active Top Secret Required

General DynamicsCompany Name - General Dynamics

•

Washington, District of Columbia, USA

Full-time

Principal Software DeveloperJob Title - Principal Software Developer

General DynamicsCompany Name - General Dynamics

•

Remote

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: Other Job Family: Software Development Job Qualifications: Skills: JavaScript, Microservices Architecture, RESTful Web Services, Software Development, Spring Boot Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Principal Software Developer We value: Writing code rather than documentsShipp