principal software engineer Jobs in district of columbia

Refine Results
101 - 120 of 892 Jobs

Senior Lead Software Engineer, Full Stack

Capital One

•

McLean, Virginia, USA

Full-time

Senior 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 O
Posted 12 days ago | Updated moments ago

Lead Software Engineer (Java, Python, AWS)

Capital One

•

McLean, Virginia, USA

Full-time

Lead Software Engineer (Java, 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 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 technologies. As a C
Posted 13 days ago | Updated moments ago

Lead Software Engineer, Back End (Enterprise Platforms Technology)

Capital One

•

McLean, Virginia, USA

Full-time

Lead Software Engineer, Back End (Enterprise Platforms Technology) 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 emergi
Posted 33 days ago | Updated moments ago

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

Capital One

•

McLean, Virginia, USA

Full-time

Lead Software Engineer, Full Stack (Java/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 technologies. As
Posted 41 days ago | Updated moments ago

Principal Cyber Security Engineer

ManTech

•

Chantilly, Virginia, USA

Full-time

ManTech is seeking a motivated, career and customer-oriented Principal Cyber Security Engineer to join our team in the Chantilly, VA. Responsibilities include but are not limited to: Provide IA security requirements to update system requirement documentsCoordinate IA matters with other directorates and external partners as necessaryPerform, or review, technical security assessments of computing environments to identify points of vulnerability, non-compliance with established Information Assu
Posted 5 days ago | Updated 10 hours ago

Principal Cyber Security Engineer

ManTech

•

Chantilly, Virginia, USA

Full-time

ManTech is seeking a motivated, career and customer-oriented Principal Cyber Security Engineer to join our team in the Chantilly, VA. Responsibilities include but are not limited to: Provide IA security requirements to update system requirement documentsCoordinate IA matters with other directorates and external partners as necessaryPerform, or review, technical security assessments of computing environments to identify points of vulnerability, non-compliance with established Information Assuranc
Posted 6 days ago | Updated 10 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 51 days ago | Updated 9 hours ago

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

Capital One

•

McLean, Virginia, USA

Full-time

Senior Lead Software Engineer, Back End (Java/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 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 techno
Posted 21 days ago | Updated moments ago

Principal Cyber Security Engineer

ManTech

•

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 7 days ago | Updated 16 hours ago

Principal Cyber Security Engineer

ManTech

•

Chantilly, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Principal Cyber Security Engineer to join our team in Chantilly, VA. This role offers the opportunity to support a critical cyber mission by maintaining and enhancing perimeter protection systems in a dynamic environment. Responsibilities include but are not limited to: You will be responsible for operations and maintenance of deployed perimeter protection solutions with a focus on cybersecurity.You will engineer and deploy new capabilitie
Posted 7 days ago | Updated 16 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 7 days ago | Updated 10 hours ago

Principal Cyber Security Engineer

ManTech

•

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 11 days ago | Updated 10 hours ago

Principal Cyber Security Engineer

ManTech

•

Chantilly, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Principal Cyber Security Engineer to join our team in Chantilly, VA. This role offers the opportunity to support a critical cyber mission by maintaining and enhancing perimeter protection systems in a dynamic environment. Responsibilities include but are not limited to: You will be responsible for operations and maintenance of deployed perimeter protection solutions with a focus on cybersecurity.You will engineer and deploy new capabilitie
Posted 11 days ago | Updated 10 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 53 days ago | Updated moments 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 moments ago

Lead Software Engineer, Site Reliability

Capital One

•

McLean, Virginia, USA

Full-time

Lead Software Engineer, Site Reliability 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 DevOps Engineers who are passionate about marrying data with emerging technologies to join our team. As
Posted 11 days ago | Updated moments 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 12 days ago | Updated moments ago

Principal Engineer, Mission Systems

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 9 hours ago

Lead Software Engineer, DevOps (Enterprise Platforms Technology)

Capital One

•

McLean, Virginia, USA

Full-time

Lead Software Engineer, DevOps (Enterprise Platforms Technology) 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 DevOps Engineers who are passionate about marrying data with emerging technologi
Posted 16 hours ago | Updated moments ago

Senior Lead Software Engineer (Full Stack)

Capital One

•

McLean, Virginia, USA

Full-time

Senior 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
Posted 56 days ago | Updated moments ago