Principal, Software Engineer Jobs in District of Columbia

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101 - 120 of 840 Jobs

Lead Software Engineer, Full Stack (Bank Tech)

Capital One

•

McLean, Virginia, USA

Full-time

Lead Software Engineer, Full Stack (Bank Tech) Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who solve real problems and meet real customer needs. We are seeking Full Stack Software Engineers who are passionate about marrying data with emerging technologies. As a Capit
Posted 56 days ago | Updated 3 hours ago

Big Data Engineer Principal

SAIC

•

Reston, Virginia, USA

Full-time

Job ID: 2507187 Location: RESTON, VA, US Date Posted: 2025-07-08 Category: Information Technology Subcategory: Metrics and Data Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description Big Data Engineer Principal to work in Reston VA : Roles and Responsibilities: Develop and design the application data. Develop and build optimal databases using an agile-like environment to sto
Posted 30 days ago | Updated 9 hours ago

Principal Systems Engineer – Satellite Ground Antenna & Fleet Management Lead

Iridium Satellite LLC

•

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 60+ days ago | Updated 8 hours ago

Principal Azure Cloud Engineer

ManTech

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Chantilly, Virginia, USA

Full-time

MANTECH seeks a motivated and experienced Principal Azure Cloud Engineer to join our team in Chantilly, VA. In this role, you will support mission-critical operations by designing, implementing, and managing Azure cloud infrastructure. You will collaborate with cross-functional teams to enhance cloud environments using modern tools and best practices. Responsibilities include but are not limited to: Supporting Azure cloud services and infrastructure using Infrastructure as Code (IaC) tools suc
Posted 2 days ago | Updated 6 hours ago

Machine Learning Engineer Principal

SAIC

•

Chantilly, Virginia, USA

Full-time

Job ID: 2507773 Location: CHANTILLY, VA, US Date Posted: 2025-07-23 Category: Engineering and Sciences Subcategory: Machine Learning Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 75 % of the Time Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: Yes Description SAIC is a premier technology integrator solving our nation's most complex modernization and readiness challenges. Our robust portfolio of offer
Posted 8 days ago | Updated 9 hours ago

Principal Cyber Security Engineer

ManTech

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Chantilly, Virginia, USA

Full-time

Mantech seeks a motivated and customer-focused Principal Cyber Security Engineer to join our team in Chantilly, VA. In this role, you will help design, implement, and sustain mission-driven cybersecurity solutions that enable secure enterprise operations. You will provide technical leadership and hands-on expertise in supporting Comply-to-Connect (C2C) systems across both classified and unclassified environments. Responsibilities include but are not limited to: Engineering, designing, implement
Posted 34 days ago | Updated 6 hours ago

Lead Software Engineer - Intelligence Community Applications

General Dynamics

•

Fairfax, Virginia, 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: Software Engineering Job Qualifications: Skills: Agile Methodology, Application Development, Software Solutions, Structured Query Language (SQL), Technical Leadership Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Software Engineer Sr Advisor Deliver simpl
Posted 7 days ago | Updated 11 hours ago

Lead Software Engineer, Full Stack

Capital One

•

McLean, Virginia, USA

Full-time

Lead Software Engineer, Full Stack Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who solve real problems and meet real customer needs. We are seeking Full Stack Software Engineers who are passionate about marrying data with emerging technologies. As a Capital One Lead
Posted 49 days ago | Updated 3 hours ago

Principal Tunnel Engineer

Parsons Services Company

•

Washington, District of Columbia, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is looking for an amazingly talented Principal Tunnel Engineer to join our t
Posted 60+ days ago | Updated 11 hours ago

Lead Java Software Engineer

ALTA IT Services

•

Reston, Virginia, USA

Full-time

Lead Java Software Engineer 12 month+ Contract Hybrid, Reston VA Candidates must be local to the DMV area Hourly Rate: $75/hr. Range, benefits available ALTA IT Services is staffing a 12-month+ contract, Lead Java Software Engineering opening to support a leading, Reston, VA-based health insurance customer. This is a hybrid position, considering candidates who currently reside in the DMV area only. This is 60% Backend, 40% front-end development. Must have: Java, microservices, Spring framework,
Easy Apply
Posted 20 hours ago | Updated 8 hours ago

Lead Java Software Engineer

System One

•

Reston, Virginia, USA

Contract

Lead Java Software Engineer 12 month+ Contract Hybrid, Reston VA Candidates must be local to the DMV area Hourly Rate: $75/hr. Range, benefits available ALTA IT Services is staffing a 12-month+ contract, Lead Java Software Engineering opening to support a leading, Reston, VA-based health insurance customer. This is a hybrid position, considering candidates who currently reside in the DMV area only. This is 60% Backend, 40% front-end development. Must have: Java, microservices, Spring framework,
Easy Apply
Posted 21 hours ago | Updated 9 hours ago

Lead Software Engineer, Back End ( Python, Java, AWS)

Capital One

•

McLean, Virginia, USA

Full-time

Lead Software Engineer, Back End ( Python, Java, AWS) Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who love to solve real problems and meet real customer needs. We are seeking Back End Software Engineers who are passionate about marrying data with emerging technologi
Posted 59 days ago | Updated 3 hours ago

Principal Level Digital Signal Processing Engineer - TS/SCI with Poly

Parsons Services Company

•

Chantilly, Virginia, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Blue Ridge Envisioneering (BRE), a Parsons Company, is seeking qualified candidates
Posted 34 days ago | Updated 11 hours ago

Senior Lead Software Engineer, Full Stack (Bank Tech)

Capital One

•

McLean, Virginia, USA

Full-time

Senior Lead Software Engineer, Full Stack (Bank Tech) Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who solve real problems and meet real customer needs. We are seeking Full Stack Software Engineers who are passionate about marrying data with emerging technologies. As
Posted 56 days ago | Updated 3 hours ago

Principal Engineer, Autonomy Interface Software

General Motors

•

Remote

Full-time

Job Description Remote : This role is based remotely but if you live within a 50-mile radius of Mountain View, you are expected to report to that location three times a week, at minimum. Role: The Principal Software Engineer at General Motors should be an experienced leader who cares deeply about software and software quality. As a Principal Software Engineer, you will be responsible for designing, documenting, and implementing complex, highly scalable, low-latency software in C++ on high perf
Posted 17 days ago | Updated 8 hours ago

Lead Software Engineer, Full Stack

Capital One

•

McLean, Virginia, USA

Full-time

Lead Software Engineer, Full Stack Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who solve real problems and meet real customer needs. We are seeking Full Stack Software Engineers who are passionate about marrying data with emerging technologies. As a Capital One Lead
Posted 60+ days ago | Updated 3 hours ago

Senior Principal Consultant - Cloud Engineer (Clearance Required)

Oracle Corporation

•

Reston, Virginia, USA

Full-time

Job Description Must current hold and have the ability to maintain a TS/SCI with Poly. We are seeking a skilled and motivated Cloud Engineer to join our IT infrastructure and cloud services team in support of a big data platform transformation. In this role, you will be responsible for designing, implementing, and maintaining Oracle Cloud Infrastructure (OCI) solutions to support enterprise applications and business operations. You will collaborate with cross-functional teams to ensure secure,
Posted 11 days ago | Updated 11 hours ago

Software Engineer, Lead

American Systems Corporation

•

Washington, District of Columbia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. THIS POSITION INCLUDES A $5,000 SIGN-ON BONUS! Responsibilities As a Lead Software Engineer with AMERICAN SYSTEMS you will have the opportunity to do the following: Work across cloud and on-premises environments using the lates
Posted 20 days ago | Updated 11 hours ago

Lead Software Engineer, Full Stack

Capital One

•

McLean, Virginia, USA

Full-time

Lead Software Engineer, Full Stack Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who solve real problems and meet real customer needs. We are seeking Full Stack Software Engineers who are passionate about marrying data with emerging technologies. As a Capital One Lead
Posted 60+ days ago | Updated 3 hours ago

Lead Software Engineer, Full Stack (Java, Go, Python, AWS)

Capital One

•

McLean, Virginia, USA

Full-time

Lead Software Engineer, Full Stack (Java, Go, Python, AWS) Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who solve real problems and meet real customer needs. We are seeking Full Stack Software Engineers who are passionate about marrying data with emerging technologie
Posted 60+ days ago | Updated 3 hours ago