Principal Cyber Security Engineer Jobs

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Principal Cybersecurity Engineer

Software Guidance & Assistance

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McConnellsburg, Pennsylvania, USA

Full-time

Software Guidance & Assistance, Inc., (SGA), is searching for a Principal Cybersecurity Engineer for a Direct Hire opportunity with one of our premier clients in McConnellsburg, PA. Serve as a cybersecurity expert or coach in areas including network and application design, operating systems, endpoint protection, mobile device security, and foundational cybersecurity controls across on-premises and cloud environments (IaaS, PaaS, SaaS). Conduct security assessments and recommend appropriate contr
Posted 7 days ago | Updated 2 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 10 hours ago

Principal Cybersecurity Engineer (HP NonStop/Xypro)

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 10 hours ago

Principal Cybersecurity Engineer - Cyber Defense (US Federal)

Workday, Inc.

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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 4 hours ago

Principal Cybersecurity Engineer ( Platform Engineering )

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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 2 days ago | Updated 6 hours 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 2 days ago | Updated 6 hours ago

Principal Cybersecurity Systems Engineer

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
Posted 8 days ago | Updated 4 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 57 days ago | Updated 2 days ago

Principal Cybersecurity/Reverse Engineer/Malware Engineer Hands On

Case Interactive

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Middletown Township, New Jersey, USA

Full-time

Job Detail: Principal Cyber Security Engineer Role Overview: Company has an outstanding career opportunity for a senior level Cyber Security Engineer with a specialization in Reverse Engineering. In this role, you will dissect and analyze malicious software, uncover vulnerabilities, and develop robust security measures to protect our clients' critical infrastructure. Responsibilities Conduct reverse engineering of malware, exploits, and other security threats.Analyze and deconstruct software to
Easy Apply
Posted 60+ days ago | Updated 8 hours ago

Principal Cybersecurity Engineer

T-Mobile

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Washington, USA

Full-time

At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers. All team members receive a competitive base salary and compensation package - this is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches. That's how we're UNSTOPPABLE for our employees! Job Overview The Cybersecurity Engineer will be a crit
Posted 60+ days ago | Updated 4 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 4 hours ago

Principal Systems / Cyber Security Engineer (Onsite)

RTX Corporation

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Cedar Rapids, Iowa, USA

Full-time

Date Posted: 2025-06-26 Country: United States of America Location: HIA33: Cedar Rapids, IA (Intertrade) 400 Collins Road NE MS 153-220, Cedar Rapids, IA, 52411-6636 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Secret Join our highly visible team and perform technically challenging assignments, which will closely
Posted 26 days ago | Updated 4 hours ago

Principal Full Stack Cybersecurity Engineer

T-Mobile

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Washington, USA

Full-time

At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers. All team members receive a competitive base salary and compensation package - this is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches. That's how we're UNSTOPPABLE for our employees! Advertising, meet the Un-carrier. We are standing up f
Posted 60+ days ago | Updated 4 hours ago

Comcast Cybersecurity: Principal Engineer, Advanced Threat Response

Comcast Corp

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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 53 days ago | Updated 4 hours ago

Principal Engineer - Embedded Cybersecurity - GE Aerospace Research

GE Aerospace

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New York, USA

Full-time

Job Description Summary At GE Aerospace Research, our team develops advanced embedded systems technology for the future of flight. Our technology will enable sustainable air travel and next generation aviation systems for use in commercial as well as military applications. As a Principal Embedded Cybersecurity Engineer, you will architect and develop next generation embedded platforms and associated security technologies. You will lead and contribute to advanced research and development programs
Posted 16 hours ago | Updated 4 hours ago

Cybersecurity Engineer (ISSE), Principal

Parsons Services Company

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Maryland, 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 seeking a Cybersecurity Engineer to join our team of Cyber & Intelligence
Posted 33 days ago | Updated 4 hours ago

Principal Software Engineer - Embedded Cybersecurity (Onsite)

RTX Corporation

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Cedar Rapids, Iowa, USA

Full-time

Date Posted: 2025-03-07 Country: United States of America Location: HIA32: Cedar Rapids, IA 400 Collins Rd NE , Cedar Rapids, IA, 52498-0505 USA Position Role Type: Onsite At the forefront of innovation, our Crypto team within the Secure Mission Solutions directorate is pioneering advanced embedded cryptographic capabilities for U.S. military communications products. By collaborating closely with the NSA, we ensure that our military communications are both secure and trustworthy. As a Principa
Posted 60+ days ago | Updated 4 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
Easy Apply
Posted 50 days ago | Updated moments ago

Lead Cyber Security Engineer 1 - Nuclear

Sargent & Lundy LLC.

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Chicago, Illinois, USA

Full-time

Description This role offers a hybrid work arrangement. You'll spend three days a week in the office, giving you the flexibility to work remotely for two days. 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 i
Posted 14 days ago | Updated 4 hours ago

Lead Cybersecurity Software Engineer

Kforce Technology Staffing

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Alpharetta, Georgia, USA

Full-time

RESPONSIBILITIES: Kforce has a client that is seeking a Lead Cybersecurity Software Engineer in Alpharetta, GA. Summary: We are seeking a Lead Cybersecurity Software Engineer with a strong focus on full stack development of internal security tooling. In this role, you'll be responsible for designing and building custom applications-ranging from web platforms to command-line tools-that empower engineering teams to securely build, test, and deploy their applications with minimal friction. These t
Posted 9 days ago | Updated 2 hours ago