1742 principal security jobs found

Buro Happold is seeking a proactive leader to support the growth of our corporate security advisory practice. This role combines technical expertise in security management with strong commercial acumen, and a commitment to delivering high-quality, innovative solutions for clients. The Associate Principal will drive business development and ensure successful delivery of complex security projects. Who We Are Buro Happold is a global engineering and advisory firm committed to creating sustainable, resilient, and equitable environments. Our interdisciplinary teams work at the intersection of design, strategy, and technical excellence to solve complex challenges and deliver meaningful change. Here at Buro Happold, expect the exceptional. From the projects you will work on to the clients we work with. From career-defining opportunities to an inclusive and diverse practice where we all contribute to a more equitable world. From our reputation to our relationships. Wherever your...

Buro Happold is seeking a proactive leader to support the growth of our corporate security advisory practice. This role combines technical expertise in security management with strong commercial acumen, and a commitment to delivering high-quality, innovative solutions for clients. The Associate Principal will drive business development and ensure successful delivery of complex security projects. Who We Are Buro Happold is a global engineering and advisory firm committed to creating sustainable, resilient, and equitable environments. Our interdisciplinary teams work at the intersection of design, strategy, and technical excellence to solve complex challenges and deliver meaningful change. Here at Buro Happold, expect the exceptional. From the projects you will work on to the clients we work with. From career-defining opportunities to an inclusive and diverse practice where we all contribute to a more equitable world. From our reputation to our relationships. Wherever your...

Why WWT? At World Wide Technology, we work together to make a new world happen. Our important work benefits our clients and partners as much as it does our people and communities across the globe. WWT is dedicated to achieving its mission of creating a profitable growth company that is also a Great Place to Work for All. We achieve this through our world-class culture, generous benefits and by delivering cutting-edge technology solutions for our clients. Founded in 1990, WWT is a global technology solutions provider leading the AI and Digital Revolution. WWT combines the power of strategy, execution and partnership to accelerate digital transformational outcomes for organizations around the globe. Through its Advanced Technology Center, a collaborative ecosystem of the world's most advanced hardware and software solutions, WWT helps clients and partners conceptualize, test and validate innovative technology solutions for the best business outcomes and then deploys them at...

Job Description Do you have a passion for developing a global understanding of a given program? We are looking for a Principal Security Engineer with experience in various aspects of Software Understanding (https://www.cisa.gov/sites/default/files/2025-01/joint-guidance-closing-the-software-understanding-gap-508c.pdf) including the ability to answer questions related to unexpected behavior (e.g., advanced persistent threats) and identifying the root causes for such behavior. As a Principal Security Engineer , you will work collaboratively with other engineers in the software assurance team to extend and support the existing work related to identifying normal, abnormal and malicious behaviors (what is called Persistent Engagement Team). We value self-initiated security or software engineers who have a passion to learn, build and engage in analyzing software (including source-code, binaries, other supporting information) in a rigorous fashion that goes beyond standard...

Job Description Do you have a passion for developing a global understanding of a given program? We are looking for a Principal Security Engineer with experience in various aspects of Software Understanding (https://www.cisa.gov/sites/default/files/2025-01/joint-guidance-closing-the-software-understanding-gap-508c.pdf) including the ability to answer questions related to unexpected behavior (e.g., advanced persistent threats) and identifying the root causes for such behavior. As a Principal Security Engineer , you will work collaboratively with other engineers in the software assurance team to extend and support the existing work related to identifying normal, abnormal and malicious behaviors (what is called Persistent Engagement Team). We value self-initiated security or software engineers who have a passion to learn, build and engage in analyzing software (including source-code, binaries, other supporting information) in a rigorous fashion that goes beyond standard...

Job Description Do you have a passion for developing a global understanding of a given program? We are looking for a Principal Security Engineer with experience in various aspects of Software Understanding (https://www.cisa.gov/sites/default/files/2025-01/joint-guidance-closing-the-software-understanding-gap-508c.pdf) including the ability to answer questions related to unexpected behavior (e.g., advanced persistent threats) and identifying the root causes for such behavior. As a Principal Security Engineer , you will work collaboratively with other engineers in the software assurance team to extend and support the existing work related to identifying normal, abnormal and malicious behaviors (what is called Persistent Engagement Team). We value self-initiated security or software engineers who have a passion to learn, build and engage in analyzing software (including source-code, binaries, other supporting information) in a rigorous fashion that goes beyond standard...

Fastly helps people stay better connected with the things they love. Fastly’s edge cloud platform enables customers to create great digital experiences quickly, securely, and reliably by processing, serving, and securing our customers’ applications as close to their end-users as possible — at the edge of the Internet. The platform is designed to take advantage of the modern internet, to be programmable, and to support agile software development. Fastly’s customers include many of the world’s most prominent companies, including Vimeo, Pinterest, The New York Times, and GitHub. We're building a more trustworthy Internet. Come join us. Posting Open Date: November 5, 2025 Anticipated Posting Close Date*: December 5, 2025 Job posting may close early due to the volume of applicants. Principal Platform Security Architect As a Principal Platform Security Architect at Fastly you will help ensure we provide a secure edge for one of the biggest online platforms in the...

Job Description Do you have a passion for hunting advanced persistent threat actors? We are looking for a Principal Defensive Engineer with experience in reverse engineering and computer forensics. As a Principal Defensive Security Engineer , you will work collaboratively with other engineers in the Threat Operations, Detections & Analysis (TODA) team to extend and support an in-house threat hunting capability. We value self-initiated software engineers who have a passion to learn, build and engage in advanced threat hunting initiatives. Work You'll Do As a member of our team, you will work with other team members to further develop an in-house threat hunting capability to improve our ability to identify, contain and preempt attacks by advanced threat actors in data-centres, servers and client systems. You will be collaborating with engineers based in Australia, UK and the United States. Your responsibilities include contributing to the design, implementation,...

Job Description Do you have a passion for hunting advanced persistent threat actors? We are looking for a Principal Defensive Engineer with experience in reverse engineering and computer forensics. As a Principal Defensive Security Engineer , you will work collaboratively with other engineers in the Threat Operations, Detections & Analysis (TODA) team to extend and support an in-house threat hunting capability. We value self-initiated software engineers who have a passion to learn, build and engage in advanced threat hunting initiatives. Work You'll Do As a member of our team, you will work with other team members to further develop an in-house threat hunting capability to improve our ability to identify, contain and preempt attacks by advanced threat actors in data-centres, servers and client systems. You will be collaborating with engineers based in Australia, UK and the United States. Your responsibilities include contributing to the design, implementation,...

Job Description Do you have a passion for hunting advanced persistent threat actors? We are looking for a Principal Defensive Engineer with experience in reverse engineering and computer forensics. As a Principal Defensive Security Engineer , you will work collaboratively with other engineers in the Threat Operations, Detections & Analysis (TODA) team to extend and support an in-house threat hunting capability. We value self-initiated software engineers who have a passion to learn, build and engage in advanced threat hunting initiatives. Work You'll Do As a member of our team, you will work with other team members to further develop an in-house threat hunting capability to improve our ability to identify, contain and preempt attacks by advanced threat actors in data-centres, servers and client systems. You will be collaborating with engineers based in Australia, UK and the United States. Your responsibilities include contributing to the design, implementation,...

Job Description Do you have a passion for hunting advanced persistent threat actors? We are looking for a Principal Defensive Engineer with experience in reverse engineering and computer forensics. As a Principal Defensive Security Engineer , you will work collaboratively with other engineers in the Threat Operations, Detections & Analysis (TODA) team to extend and support an in-house threat hunting capability. We value self-initiated software engineers who have a passion to learn, build and engage in advanced threat hunting initiatives. Work You'll Do As a member of our team, you will work with other team members to further develop an in-house threat hunting capability to improve our ability to identify, contain and preempt attacks by advanced threat actors in data-centres, servers and client systems. You will be collaborating with engineers based in Australia, UK and the United States. Your responsibilities include contributing to the design, implementation,...

Job Description Do you have a passion for hunting advanced persistent threat actors? We are looking for a Principal Defensive Engineer with experience in reverse engineering and computer forensics. As a Principal Defensive Security Engineer , you will work collaboratively with other engineers in the Threat Operations, Detections & Analysis (TODA) team to extend and support an in-house threat hunting capability. We value self-initiated software engineers who have a passion to learn, build and engage in advanced threat hunting initiatives. Work You'll Do As a member of our team, you will work with other team members to further develop an in-house threat hunting capability to improve our ability to identify, contain and preempt attacks by advanced threat actors in data-centres, servers and client systems. You will be collaborating with engineers based in Australia, UK and the United States. Your responsibilities include contributing to the design, implementation,...

Job Description Do you have a passion for hunting advanced persistent threat actors? We are looking for a Principal Defensive Engineer with experience in reverse engineering and computer forensics. As a Principal Defensive Security Engineer , you will work collaboratively with other engineers in the Threat Operations, Detections & Analysis (TODA) team to extend and support an in-house threat hunting capability. We value self-initiated software engineers who have a passion to learn, build and engage in advanced threat hunting initiatives. Work You'll Do As a member of our team, you will work with other team members to further develop an in-house threat hunting capability to improve our ability to identify, contain and preempt attacks by advanced threat actors in data-centres, servers and client systems. You will be collaborating with engineers based in Australia, UK and the United States. Your responsibilities include contributing to the design, implementation,...

Job Description Do you have a passion for hunting advanced persistent threat actors? We are looking for a Principal Defensive Engineer with experience in reverse engineering and computer forensics. As a Principal Defensive Security Engineer , you will work collaboratively with other engineers in the Threat Operations, Detections & Analysis (TODA) team to extend and support an in-house threat hunting capability. We value self-initiated software engineers who have a passion to learn, build and engage in advanced threat hunting initiatives. Work You'll Do As a member of our team, you will work with other team members to further develop an in-house threat hunting capability to improve our ability to identify, contain and preempt attacks by advanced threat actors in data-centres, servers and client systems. You will be collaborating with engineers based in Australia, UK and the United States. Your responsibilities include contributing to the design, implementation,...

Job Description Do you have a passion for hunting advanced persistent threat actors? We are looking for a Principal Defensive Engineer with experience in reverse engineering and computer forensics. As a Principal Defensive Security Engineer , you will work collaboratively with other engineers in the Threat Operations, Detections & Analysis (TODA) team to extend and support an in-house threat hunting capability. We value self-initiated software engineers who have a passion to learn, build and engage in advanced threat hunting initiatives. Work You'll Do As a member of our team, you will work with other team members to further develop an in-house threat hunting capability to improve our ability to identify, contain and preempt attacks by advanced threat actors in data-centres, servers and client systems. You will be collaborating with engineers based in Australia, UK and the United States. Your responsibilities include contributing to the design, implementation,...

Job Description Do you have a passion for hunting advanced persistent threat actors? We are looking for a Principal Defensive Engineer with experience in reverse engineering and computer forensics. As a Principal Defensive Security Engineer , you will work collaboratively with other engineers in the Threat Operations, Detections & Analysis (TODA) team to extend and support an in-house threat hunting capability. We value self-initiated software engineers who have a passion to learn, build and engage in advanced threat hunting initiatives. Work You'll Do As a member of our team, you will work with other team members to further develop an in-house threat hunting capability to improve our ability to identify, contain and preempt attacks by advanced threat actors in data-centres, servers and client systems. You will be collaborating with engineers based in Australia, UK and the United States. Your responsibilities include contributing to the design, implementation,...

Job Description Do you have a passion for hunting advanced persistent threat actors? We are looking for a Principal Defensive Engineer with experience in reverse engineering and computer forensics. As a Principal Defensive Security Engineer , you will work collaboratively with other engineers in the Threat Operations, Detections & Analysis (TODA) team to extend and support an in-house threat hunting capability. We value self-initiated software engineers who have a passion to learn, build and engage in advanced threat hunting initiatives. Work You'll Do As a member of our team, you will work with other team members to further develop an in-house threat hunting capability to improve our ability to identify, contain and preempt attacks by advanced threat actors in data-centres, servers and client systems. You will be collaborating with engineers based in Australia, UK and the United States. Your responsibilities include contributing to the design, implementation,...

Job Description Do you have a passion for hunting advanced persistent threat actors? We are looking for a Principal Defensive Engineer with experience in reverse engineering and computer forensics. As a Principal Defensive Security Engineer , you will work collaboratively with other engineers in the Threat Operations, Detections & Analysis (TODA) team to extend and support an in-house threat hunting capability. We value self-initiated software engineers who have a passion to learn, build and engage in advanced threat hunting initiatives. Work You'll Do As a member of our team, you will work with other team members to further develop an in-house threat hunting capability to improve our ability to identify, contain and preempt attacks by advanced threat actors in data-centres, servers and client systems. You will be collaborating with engineers based in Australia, UK and the United States. Your responsibilities include contributing to the design, implementation,...

Job Description Do you have a passion for hunting advanced persistent threat actors? We are looking for a Principal Defensive Engineer with experience in reverse engineering and computer forensics. As a Principal Defensive Security Engineer , you will work collaboratively with other engineers in the Threat Operations, Detections & Analysis (TODA) team to extend and support an in-house threat hunting capability. We value self-initiated software engineers who have a passion to learn, build and engage in advanced threat hunting initiatives. Work You'll Do As a member of our team, you will work with other team members to further develop an in-house threat hunting capability to improve our ability to identify, contain and preempt attacks by advanced threat actors in data-centres, servers and client systems. You will be collaborating with engineers based in Australia, UK and the United States. Your responsibilities include contributing to the design, implementation,...

Job Description Do you have a passion for hunting advanced persistent threat actors? We are looking for a Principal Defensive Engineer with experience in reverse engineering and computer forensics. As a Principal Defensive Security Engineer , you will work collaboratively with other engineers in the Threat Operations, Detections & Analysis (TODA) team to extend and support an in-house threat hunting capability. We value self-initiated software engineers who have a passion to learn, build and engage in advanced threat hunting initiatives. Work You'll Do As a member of our team, you will work with other team members to further develop an in-house threat hunting capability to improve our ability to identify, contain and preempt attacks by advanced threat actors in data-centres, servers and client systems. You will be collaborating with engineers based in Australia, UK and the United States. Your responsibilities include contributing to the design, implementation,...

Job Description Do you have a passion for hunting advanced persistent threat actors? We are looking for a Principal Defensive Engineer with experience in reverse engineering and computer forensics. As a Principal Defensive Security Engineer , you will work collaboratively with other engineers in the Threat Operations, Detections & Analysis (TODA) team to extend and support an in-house threat hunting capability. We value self-initiated software engineers who have a passion to learn, build and engage in advanced threat hunting initiatives. Work You'll Do As a member of our team, you will work with other team members to further develop an in-house threat hunting capability to improve our ability to identify, contain and preempt attacks by advanced threat actors in data-centres, servers and client systems. You will be collaborating with engineers based in Australia, UK and the United States. Your responsibilities include contributing to the design, implementation,...

Job Description Do you have a passion for hunting advanced persistent threat actors? We are looking for a Principal Defensive Engineer with experience in reverse engineering and computer forensics. As a Principal Defensive Security Engineer , you will work collaboratively with other engineers in the Threat Operations, Detections & Analysis (TODA) team to extend and support an in-house threat hunting capability. We value self-initiated software engineers who have a passion to learn, build and engage in advanced threat hunting initiatives. Work You'll Do As a member of our team, you will work with other team members to further develop an in-house threat hunting capability to improve our ability to identify, contain and preempt attacks by advanced threat actors in data-centres, servers and client systems. You will be collaborating with engineers based in Australia, UK and the United States. Your responsibilities include contributing to the design, implementation,...

Job Description Do you have a passion for hunting advanced persistent threat actors? We are looking for a Principal Defensive Engineer with experience in reverse engineering and computer forensics. As a Principal Defensive Security Engineer , you will work collaboratively with other engineers in the Threat Operations, Detections & Analysis (TODA) team to extend and support an in-house threat hunting capability. We value self-initiated software engineers who have a passion to learn, build and engage in advanced threat hunting initiatives. Work You'll Do As a member of our team, you will work with other team members to further develop an in-house threat hunting capability to improve our ability to identify, contain and preempt attacks by advanced threat actors in data-centres, servers and client systems. You will be collaborating with engineers based in Australia, UK and the United States. Your responsibilities include contributing to the design, implementation,...

Job Description Do you have a passion for hunting advanced persistent threat actors? We are looking for a Principal Defensive Engineer with experience in reverse engineering and computer forensics. As a Principal Defensive Security Engineer , you will work collaboratively with other engineers in the Threat Operations, Detections & Analysis (TODA) team to extend and support an in-house threat hunting capability. We value self-initiated software engineers who have a passion to learn, build and engage in advanced threat hunting initiatives. Work You'll Do As a member of our team, you will work with other team members to further develop an in-house threat hunting capability to improve our ability to identify, contain and preempt attacks by advanced threat actors in data-centres, servers and client systems. You will be collaborating with engineers based in Australia, UK and the United States. Your responsibilities include contributing to the design, implementation,...