Principal Engineer Jobs in District of Columbia

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Principal System Engineer – Mission Planning / Flight Dynamics 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 5 hours ago

Principal Software Engineer

Modern Technology Solutions

•

Fort Meade, Maryland, USA

Full-time

Overview Modern Technology Solutions, Inc. (MTSI) is seeking Software Engineers to join our team in the Ft Meade, MD or San Antonio, TX area in support of a government organization essential to U.S. national security. You will develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requ
Posted 60+ days ago | Updated 18 days ago

Comcast Cybersecurity: Principal Engineer, Advanced Threat Response

Comcast Corp

•

Remote or Philadelphia, Pennsylvania, USA

Full-time

Make your mark at Comcast -- a Fortune 30 global media and technology company. From the connectivity and platforms we provide, to the content and experiences we create, we reach hundreds of millions of customers, viewers, and guests worldwide. Become part of our award-winning technology team that turns big ideas into cutting-edge products, platforms, and solutions that our customers love. We create space to innovate, and we recognize, reward, and invest in your ideas, while ensuring you can prou
Posted 43 days ago | Updated 8 hours 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 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 immediate v
Posted 60+ days ago | Updated 8 hours ago

Principal Software Engineer 25k Sign on Bonus

Leidos

•

Columbia, Maryland, USA

Full-time

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 immediate ve
Posted 60+ days ago | Updated 8 hours ago

Senior Principal Photonics Engineer

RTX Corporation

•

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
Posted 60+ days ago | Updated 8 hours ago

Principal Cybersecurity Systems Engineer

Leidos

•

Linthicum Heights, Maryland, USA

Full-time

Are you seeking a new and challenging position supporting a complex, mission-critical Program? Well, look no further! Leidos is currently looking to add a Sr. Systems Engineer to an Information Assurance Program near Ft. Meade, MD. The successful candidate will participate in the development/evaluation of system engineering documentation, such as System Engineering Plans, Initial Capabilities Documents, Requirements Specifications, security requirements and security testing documents. Provide t
Posted 2 days ago | Updated 8 hours ago

Principal Engineer, HR & Legal Technology (Hybrid - Seattle, WA)

Nordstrom

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Remote or Seattle, Washington, USA

Full-time

Job Description A Principal Engineer acts as a technology leader in all aspects of their daily job. This includes being responsible for architecture, best practices and operational excellence for multiple teams across Nordstrom as well as being the subject matter expert for a specific vertical. Principal Engineers are extremely proficient and self-starting individual contributors that know when to use coding as a core part of their practice as well as lead code reviews to expand their influence
Posted 56 days ago | Updated 8 hours ago

Sr Principal Systems Engineer - Exchange Messaging - Active Top Secret Required

General Dynamics

•

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, Troubleshooting Certifications: CompTIA - Security+ - CompTIA Experience: 17 + years of related experience ship Required: Yes Job Description: Senior Principal Systems Engineer -
Posted 60+ days ago | Updated 8 hours ago

Principal Cyber Engineer

Nightwing

•

Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th
Posted 60+ days ago | Updated 8 hours ago

Principal Systems Engineer

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 5 hours ago

Principal Engineer - Thermal Engineering

Amgen Inc

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Remote or Thousand Oaks, California, USA

Full-time

Career Category Engineering Job Description Join Amgen's Mission of Serving Patients At Amgen, if you feel like you're part of something bigger, it's because you are. Our shared mission-to serve patients living with serious illnesses-drives all that we do. Since 1980, we've helped pioneer the world of biotech in our fight against the world's toughest diseases. With our focus on four therapeutic areas -Oncology, Inflammation, General Medicine, and Rare Disease- we reach millions of patients ea
Posted 60+ days ago | Updated 8 hours ago

Principal Engineer - Connected Chillers (REMOTE)

Johnson Controls, Inc.

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Remote or Atlanta, Georgia, USA

Full-time

** This is a remote based position that can be based anywhere in the US. 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
Posted 60+ days ago | Updated 8 hours ago

Principal Engineer, MBDMI Lead (Hybrid-Puerto Rico)

RTX Corporation

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Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-04-12 Country: United States of America Location: HPR01: Collins Puerto Rico- Aguadilla Road 110 North Km 28.8 San Antonio Industrial Park, Aguadilla, PR, 00603 USA Position Role Type: Hybrid Join Collins Aerospace as a MBDMI Lead! We are looking for a highly motivated experienced professional to lead our MBDMI (Model-Based Definition, Manufacturing, and Inspection) and Product Lifecycle Management (PLM) initiatives related to engineering tools development and Collins Digital
Posted 60+ days ago | Updated 8 hours ago

Principal Systems Engineer

Tential

•

Annapolis, Maryland, USA

Contract

As a Senior Systems Engineer, you will become an integral part of the Networks & Connectivity Engineering (NCE) division within the Connected Aviation Solutions Business. This role offers the chance to work on the cutting-edge GLOBALink system, a world-class air-to-ground communications system that serves both commercial aviation and government air traffic authorities worldwide. You will be able to lead and participate in systems engineering projects in Asian and international markets, collabora
Posted 9 days ago | Updated 5 hours ago

Sr. Principal Spacecraft Systems Engineer / Mission Architect (Systems Engineer, Sr. Principal)

Redwire Space

•

Chantilly, Virginia, USA

Full-time

Bring your passion for space! Redwire is accelerating humanity's expansion into space by delivering reliable, economical and sustainable infrastructure for future generations. Join our team of innovators and get a chance to work alongside a team of talented, curious people that are passionate about designing and deploying solutions that are accelerating humanity's expansion into space. We have a current opportunity for a Sr Principal Spacecraft Systems Engineer / Mission Architect, HYBRID-Chan
Posted 49 days ago | Updated 8 hours ago

Principal Software Engineer, Connected Warfare

Aduril Industries

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Washington, District of Columbia, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c
Posted 60+ days ago | Updated 8 hours ago

Principal Software Engineer

Leidos

•

Reston, Virginia, USA

Full-time

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 immediate ve
Posted 60+ days ago | Updated 8 hours ago

Sr Principal Systems Engineer - LINUX - Active Top Secret Required

General Dynamics

•

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 8 hours ago

Principal Software Systems Engineer

Parsons Services Company

•

Herndon, 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: Job Description: Parsons is looking for an amazingly talented Principal Software Sy
Posted 60+ days ago | Updated 8 hours ago