Principal Systems Engineer Jobs in District of Columbia

1 - 20 of 50 Jobs

Principal Systems EngineerJob Title - Principal Systems Engineer

Iridium Satellite LLCCompany Name - 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

C3BM Principal Systems EngineerJob Title - C3BM Principal Systems Engineer

SAICCompany Name - SAIC

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Fort Belvoir, Virginia, USA

Full-time

Job ID: 2507636-FORT_BELVOIR-VA Location: FORT BELVOIR, VA, US Date Posted: 2025-07-24 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: No Description SAIC is looking for a Command, Control, Communications, and Battle Management (C3BM) Principal Systems Engineer to engage in C3BM systems engineerin

C3BM Principal Systems EngineerJob Title - C3BM Principal Systems Engineer

SAICCompany Name - SAIC

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Fort Belvoir, Virginia, USA

Full-time

Job ID: 2507636 Location: FORT BELVOIR, VA, US Date Posted: 2025-07-24 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: No Description SAIC is looking for a Command, Control, Communications, and Battle Management (C3BM) Principal Systems Engineer to engage in C3BM systems engineering efforts. C3BM

Principal Systems EngineerJob Title - Principal Systems Engineer

LeidosCompany Name - Leidos

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Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Principal Systems 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

Principal Systems Engineer – Satellite Ground Antenna & Fleet Management LeadJob Title - Principal Systems Engineer – Satellite Ground Antenna & Fleet Management Lead

Iridium Satellite LLCCompany Name - Iridium Satellite LLC

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Reston, Virginia, USA

Full-time

Principal Systems EngineerJob Title - Principal Systems Engineer

LeidosCompany Name - Leidos

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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

Principal Systems EngineerJob Title - Principal Systems Engineer

SAICCompany Name - SAIC

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Chantilly, Virginia, USA

Full-time

Job ID: 2503809 Location: CHANTILLY, VA, US Date Posted: 2025-03-26 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC's Space & Intel Business Group, USG Mission and Information Technology Division, is seeking a Principal Systems Engineer to provide technical expertise and guidance to drive

Principal Cybersecurity Systems EngineerJob Title - Principal Cybersecurity Systems Engineer

LeidosCompany Name - Leidos

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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

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

General DynamicsCompany Name - 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

Principal Systems Engineer (hybrid)Job Title - Principal Systems Engineer (hybrid)

RTX CorporationCompany Name - RTX Corporation

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Remote or Maryland, USA

Full-time

Date Posted: 2025-06-16 Country: United States of America Location: MD440: 8170 Maple Lawn Blvd Fulton MD 8170 Maple Lawn Boulevard , Fulton, MD, 20759 USA Position Role Type: Hybrid 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 At Collins Aerospace, we're working side-by-side with our customers and partne

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

General DynamicsCompany Name - 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: 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 -

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

General DynamicsCompany Name - 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: 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,

Sr Principal Systems Engineer - Active Directory Forests - Active Top Secret RequiredJob Title - Sr Principal Systems Engineer - Active Directory Forests - Active Top Secret Required

General DynamicsCompany Name - General Dynamics

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Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI 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: Sr Principal Systems Engineer -

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

Redwire SpaceCompany Name - Redwire Space

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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

Principal Software Systems EngineerJob Title - Principal Software Systems Engineer

Parsons Services CompanyCompany Name - Parsons Services Company

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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

Principal Systems Engineer - Reliability & Maintainability EngineerJob Title - Principal Systems Engineer - Reliability & Maintainability Engineer

Sierra Nevada CorporationCompany Name - Sierra Nevada Corporation

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Remote or Lone Tree, Colorado, USA

Full-time

If you like solving complex engineering problems using your analytical skills, this is the opportunity for you! As a Reliability and Maintainability Engineer, you will perform detailed analysis to establish reliability predictions, monitor equipment data for continuous validation of reliability predictions, and author reports summarizing your analysis. As a cross-functional engineer, you are in charge of system-level ownership of new products and processes through the product life cycle. This in

Principal Elasticsearch Systems EngineerJob Title - Principal Elasticsearch Systems Engineer

LeidosCompany Name - Leidos

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Reston, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for a Principal Elasticsearch Systems 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

Platform Systems Engineer/Architect, Associate PrincipalJob Title - Platform Systems Engineer/Architect, Associate Principal

American Systems CorporationCompany Name - American Systems Corporation

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Arlington, Virginia, 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 an Associate Principal Platform Systems Engineer/Architect, you will: Design, develop, and maintain scalable, secure computing platforms across cloud and on-pre

Principal Hardware Systems Engineer (Hybrid)Job Title - Principal Hardware Systems Engineer (Hybrid)

RTX CorporationCompany Name - RTX Corporation

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Remote or Windsor, Connecticut, USA

Full-time

Date Posted: 2025-06-23 Country: United States of America Location: 01: Building 01 Windsor Locks One Hamilton Road, Windsor Locks, CT, 06096 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Joining Collins Aerospace isn't just about finding a job; it's about embarking on a journey to redefine the future of aerospace technology. Collins Aerospace, an RTX company, is a leader in technologically advanced and int

(USA) Principal, Systems and Infrastructure Engineer, Information SecurityJob Title - (USA) Principal, Systems and Infrastructure Engineer, Information Security

Walmart Inc.Company Name - Walmart Inc.

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Remote or Denver, Colorado, USA

Full-time

Position Summary Are you ready to lead the charge in transforming our infrastructure? As a Principal, Systems and Infrastructure Engineer at Walmart/VIZIO, you will play a pivotal role in designing, building, and maintaining scalable and secure infrastructure. This is a unique opportunity to drive the migration and modernization of critical applications and systems, ensuring seamless transitions and minimal downtime. What you'll do About the Team: The Walmart/VIZIO Team is dedicated to levera