Principal Engineer Jobs in Washington

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Principal Engineer, Agentic AI - Transforming Lending

Idexcel Inc.

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Herndon, Virginia, USA

Full-time

IDEXCEL Client is looking for Job Title : Principal Engineer, Agentic AI - Transforming Lending @ Herndon VA on Fulltime basis Job Title : Principal Engineer, Agentic AI - Transforming LendingLocation : Herndon VirginiaDuration : Fulltime We're entering a transformative period in financial services. Technology is empowering financial institutions to offer more tailored and efficient solutions, and we're at the forefront of this change. Our software plays a crucial role in enabling banks, cred
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Posted 31 days ago | Updated 1 day ago

Principal Engineer - Cloud Infrastructure

Fannie Mae

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Remote or Reston, Virginia, USA

Full-time

At Fannie Mae, the inspiring work we do helps make a home a possibility for millions of homeowners and renters. Every day offers compelling opportunities to impact the future of the housing industry while being part of a collaborative team thriving in an energizing environment. Here, you will grow your career and help create access toaffordable housing finance. Job Description As a valued contributor to our team, you will design and develop unprecedented solutions for Cloud Engineering, solvin
Posted 45 days ago | Updated 11 hours ago

Principal Engineer

Stanley Black and Decker

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Remote or Towson, Maryland, USA

Full-time

Principal Engineer--Construction Technology Denver, CO, United States Come make the world and accelerate your success. It takes great people to achieve greatness. People with a sense of purpose and integrity. People with a relentless pursuit of excellence. People who care about making things better For Those Who Make The World . Sound like you? Join our top-notch team of approximately 48,000 diverse and high-performing professionals globally who are making their mark on some of the world's mos
Posted 3 days ago | Updated 4 hours ago

Senior Principal Engineer, Software Engineering

RTX Corporation

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Annapolis, Maryland, USA

Full-time

Date Posted: 2025-06-23 Country: United States of America Location: HMD31: Annapolis, MD 2551 Riva Road , Annapolis, MD, 21401-7435 USA Position Role Type: Unspecified U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: ARINC Incorporated d/b/a Collins Aerospace has an opening for a Senior Principal Engineer, Software Engineering in Annapolis, MD. This is a hybrid role, individual must work in the Annapolis, Maryland office 3 times per week and can work remote two
Posted 22 days ago | Updated 4 hours ago

Principal Engineer - Electrical

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
Posted 60+ days ago | Updated 4 hours ago

Principal Systems Engineer

Softworld, Inc.

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Garrett Park, Maryland, USA

Full-time

Job Title: Principal Systems Engineer Job Location: Maryland 20852 Onsite Requirements: Satellite communication theory Phased array antenna design Systems architecture Job Description: As a Principal Systems Engineer (with 8-10+ years of experience), you will be responsible for User Terminal (UT) requirements, Ku and Ka phased array chipsets, antenna architectures, fast antenna calibration methodology, hardware/software architecture trade-offs, implementation, and defining test and validation p
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Posted 8 days ago | Updated 1 hour ago

Principal Engineer, Product Development

Micron Technology, Inc.

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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
Posted 60+ days ago | Updated 4 hours ago

Principal Software Engineer

Jobot

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Rockville, Maryland, USA

Full-time

A rapidly growing 800 Person Medical Device company is currently hiring for a fully remote Principal Software Engineer with full-stack Java experience! This Jobot Job is hosted by: Ryan Sullivan Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $150,000 - $180,000,000 per year A bit about us: A rapidly growing 800 Person Medical Device company is currently hiring for a fully remote Principal Software Engineer with full-stack Java experience!
Posted 1 hour ago

Principal Firewall Engineer

Navy Federal Credit Union

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Vienna, Virginia, USA

Full-time

Overview This position is for a Senior Network Security Engineer with a concentration on Cisco ISE. The right candidate will a self-starter who can serve in a technical lead role, provide technical project management/oversight, and provide hands-on support at an SME level within areas of focus. Responsibilities System baselining System requirements gathering Implementation of Cisco ISE solution for environment supporting over 20k endpoints Implementation of Cisco ISE policies and client provisi
Posted 2 days ago | Updated 4 hours ago

LINUX Sr Principal Systems Engineer - Active Top Secret Required

General Dynamics

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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: Computer Engineering, Linux, Red Hat Enterprise Linux (RHEL) Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Job Description Senior Principal Systems Engineer - Linux Design, deploy, integrate and maintain Li
Posted 19 days ago | Updated 4 hours ago

Principal Engineer/Architect

Apar Technologies

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US

Contract

Title: Principal Engineer/Architect Location: USA (Remote) Duration: 12+ Months We are one of the fastest growing partners for our Client and are looking for a Principal Engineer/Architect to help us build one of the most impactful Data & AI practices in the industry! You will have the opportunity to shape the future of the Data & AI landscape at leading Fortune 500 companies and cutting-edge startups. You will work on the industry's most challenging customer engagements to solve Data & AI
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Posted 1 day ago | Updated 16 hours ago

Principal Software Engineer

Leidos

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Herndon, Virginia, USA

Full-time

Description Leidos has a new and exciting opportunity for a Principal Software 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
Posted 21 days ago | Updated 10 hours ago

Principal Cloud Engineer

Iridium Satellite LLC

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Reston, Virginia, USA

Full-time

Company Overview Iridium is an award-winning and innovative satellite communications company with bragging rights to the only network that offers voice and data connectivity anywhere in the world. For over 20 years, Iridium's unique network and services have supported critical communications needs for individuals, businesses, and the evolving Internet of Things. At Iridium, we understand the importance of staying connected and the limitations of traditional communications networks. People across
Posted 2 days ago | Updated 2 hours ago

Principal DevSecOps Lead Engineer

Accenture LLP

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Springfield, Virginia, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative
Posted 45 days ago | Updated 4 hours ago

Systems Engineer Principal

SAIC

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Washington, District of Columbia, USA

Full-time

Job ID: 2507594 Location: WASHINGTON NAVY YARD, DC, US Date Posted: 2025-07-17 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Casual (includes On Call and Temporary) Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: No Description SAIC seeks an energetic and talented Systems Engineer Principal to join an exciting program and Systems Engineering
Posted 1 day ago | Updated 2 hours ago

Principal Electrical Engineer

Booz Allen Hamilton

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Arlington, Virginia, USA

Full-time

Job Number: R0222656 Principal Electrical Engineer The Opportunity: Our energy resilience division focuses on leveraging Booz Allen's leadership and expertise in Defense requirements to deliver the best solutions capable of meeting the needs of the most demanding, innovative, and cutting-edge clients in the federal government. As an Electrical Engineer, you will be responsible for driving our team's delivery of energy system design services to clients focused on increasing energy resilience on
Posted 2 days ago | Updated 5 hours ago

Principal Software Engineer

Leidos

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Columbia, Maryland, USA

Full-time

Description Leidos has a new and exciting opportunity for a Principal Software 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
Posted 21 days ago | Updated moments ago

Principal Software Engineer - 25k Sign on Bonus

Leidos

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Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Software 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 vesting, Fle
Posted 4 hours ago

Senior Principal Software Engineer (Onsite)

RTX Corporation

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Maryland, USA

Full-time

Date Posted: 2025-06-17 Country: United States of America Location: MD440: 8170 Maple Lawn Blvd Fulton MD 8170 Maple Lawn Boulevard , Fulton, MD, 20759 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret Solipsys, Managed by Collins Aerospace Collins Aerospace, an RTX company, is a leader in technologically advanced and
Posted 8 days ago | Updated 4 hours ago

Principal Systems Engineer

BAE Systems

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Potomac, Maryland, USA

Full-time

Job Description BAE Systems is seeking a full time Systems Engineer with a mechanical focus to be part of our Interface Management team working on the US TRIDENT Submarine Strategic Weapon System program. The selected canidate will work closely with numerous engineering teams supporting the US Navy's Strategic Systems Porgram command and it's industry partners. Our primary function is to ensure that all weapon system interface requiements are correctly defined and properly allocated to the cogn
Posted 3 days ago | Updated 14 hours ago