Principal Cyber Security Engineer Jobs in District of Columbia

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Principal Cybersecurity Engineer - Cyber Defense (US Federal)

Workday, Inc.

•

McLean, Virginia, USA

Full-time

Your work days are brighter here. At Workday, it all began with a conversation over breakfast. When our founders met at a sunny California diner, they came up with an idea to revolutionize the enterprise software market. And when we began to rise, one thing that really set us apart was our culture. A culture which was driven by our value of putting our people first. And ever since, the happiness, development, and contribution of every Workmate is central to who we are. Our Workmates believe a h
Posted 60+ days ago | Updated 10 hours ago

Principal Cybersecurity Engineer

NuLeap

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Remote or US

Third Party

Job Summary (List Format): - Lead the design and implementation of secure, scalable, and high-performance cloud-based systems. - Architect and develop backend systems using Rust (Tokio, Actix, Axum, Rocket) and Scala (Akka, ZIO, Cats, Play). - Ensure secure execution environments utilizing WebAssembly (WASM). - Employ extensive AWS services (Lambda, ECS, S3, API Gateway, CloudFront, DynamoDB, GuardDuty, WAF, Security Hub, KMS) for cloud infrastructure and security. - Implement and enforce AP
Posted 58 days ago | Updated 3 days ago

Principal Cybersecurity Engineer ( Platform Engineering )

Discover

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Remote or Riverwoods, Illinois, USA

Full-time

Discover. A brighter future. With us, you'll do meaningful work from Day 1. Our collaborative culture is built on three core behaviors: We Play to Win, We Get Better Every Day & We Succeed Together. And we mean it - we want you to grow and make a difference at one of the world's leading digital banking and payments companies. We value what makes you unique so that you have an opportunity to shine. Come build your future, while being the reason millions of people find a brighter financial future
Posted 3 days ago | Updated 19 hours ago

Principal Cybersecurity Engineer ( Platform Engineering )

Discover

•

Remote or Riverwoods, Illinois, USA

Full-time

Discover. A brighter future. With us, you'll do meaningful work from Day 1. Our collaborative culture is built on three core behaviors: We Play to Win, We Get Better Every Day & We Succeed Together. And we mean it - we want you to grow and make a difference at one of the world's leading digital banking and payments companies. We value what makes you unique so that you have an opportunity to shine. Come build your future, while being the reason millions of people find a brighter financial future
Posted 3 days ago | Updated 19 hours ago

Principal Cybersecurity Engineer (HP NonStop/Xypro)

Discover

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Remote or Houston, Texas, USA

Full-time

Discover. A brighter future. With us, you'll do meaningful work from Day 1. Our collaborative culture is built on three core behaviors: We Play to Win, We Get Better Every Day & We Succeed Together. And we mean it - we want you to grow and make a difference at one of the world's leading digital banking and payments companies. We value what makes you unique so that you have an opportunity to shine. Come build your future, while being the reason millions of people find a brighter financial future
Posted 1 day ago | Updated 19 hours ago

Principal Cybersecurity Engineer (HP NonStop/Xypro)

Discover

•

Remote or Riverwoods, Illinois, USA

Full-time

Discover. A brighter future. With us, you'll do meaningful work from Day 1. Our collaborative culture is built on three core behaviors: We Play to Win, We Get Better Every Day & We Succeed Together. And we mean it - we want you to grow and make a difference at one of the world's leading digital banking and payments companies. We value what makes you unique so that you have an opportunity to shine. Come build your future, while being the reason millions of people find a brighter financial future
Posted 1 day ago | Updated 19 hours ago

Principal Cybersecurity Engineer (Hybrid-Puerto Rico)

RTX Corporation

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Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-04-15 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 U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Collins Aerospace has an exciting opportunity for an experienced Software/Cybersecurity Engineer. We are looking for a strong, passionate problem-solver with an action-oriented, collabor
Posted 60+ days ago | Updated 10 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 9 days ago | Updated 10 hours ago

XSOAR Cyber Security Engineer

Motion Recruitment Partners, LLC

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Washington, District of Columbia, USA

Full-time

Job Description A healthcare company is seeking a Principal Cyber Security Engineer to join their dynamic team. You will be responsible for identifying and defining opportunities for SOAR and implement via playbook development. This role is heavily focused on supporting the Incident Response team and their use of SOAR tools. Ideally, candidates have experience with Palo Alto's Cortex XSOAR, as well as Splunk, and knowledge with other enterprise systems such as Crowdstrike, Proofpoint, Tanium, a
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Posted 51 days ago | Updated 5 hours ago

Senior Cybersecurity Engineer - US Federal

Workday, Inc.

•

McLean, Virginia, USA

Full-time

Your work days are brighter here. At Workday, it all began with a conversation over breakfast. When our founders met at a sunny California diner, they came up with an idea to revolutionize the enterprise software market. And when we began to rise, one thing that really set us apart was our culture. A culture which was driven by our value of putting our people first. And ever since, the happiness, development, and contribution of every Workmate is central to who we are. Our Workmates believe a h
Posted 60+ days ago | Updated 10 hours ago

Lead Cyber Security Engineer 1 - Nuclear

Sargent & Lundy LLC.

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Remote

Full-time

Description Nuclear Power is a carbon-free energy source. Our nuclear power generation clients are digitizing their existing power plants and building new nuclear power plants, small modular reactors (SMR) due to the increasing demand for electric power. This is expanding our work in the Instrumentation and Controls Engineering group. Due to this influx of work, Sargent & Lundy has a need for additional I&C Engineers. This position requires an engineer who has expertise in US nuclear cyber sec