Amazon Principal Security Engineer AWS Managed Services AMS 

United Kingdom, England, Manchester 

344217075

AWS is seeking a skilled and forward looking **Security Engineer** to help drive security outcomes at scale for customers around the world. This role blends technical security engineering with high-impact customer engagement. You will work directly with CISOs, security executives, and engineering teams across a global customer base to understand their challenges and translate them into scalable technical solutions.This is a role for engineers who are technically credible and operationally experienced, capable of influencing senior stakeholders, and comfortable navigating complex security domains. You will design, prototype, and guide the deployment of mechanisms that operate across thousands of AWS environments and contribute directly to improving customer security posture globally.Key job responsibilities
• Design and implement scalable security mechanisms and tooling across diverse customer environments and architectures.
• Engage directly with CISOs, enterprise architects, and security executives to co-develop secure-by-design solutions.
• Lead threat modelling, posture review, and detection design efforts targeting systemic risk.
• Build automation and detection systems directly or in collaboration with engineering teams to reduce manual effort and accelerate security outcomes.
• Support multi-cloud security conversations, helping customers federate or transition securely across cloud platforms.
• Translate complex customer architecture and operational constraints into scalable security solutions and reusable design patterns.
• Write reference architectures, technical guidance, and tooling for repeatable security outcomes.
• Represent AWS in technical discussions with customer executives, internal engineering teams, and security leaders.
• Participate in or support security incident response initiatives through technical insight, pattern recognition, and mechanism design.
• Define success metrics and evaluate effectiveness of security mechanisms at scale.
A day in the life
About the team
Diverse Experiences
Amazon values diverse experiences. Even if you do not meet all of the preferred qualifications and skills listed in the job description, we encourage candidates to apply. If your career is just starting, hasn’t followed a traditional path, or includes alternative experiences, don’t let it stop you from applying.Why AWSWork/Life BalanceInclusive Team CultureMentorship and Career Growth
We’re continuously raising our performance bar as we strive to become Earth’s Best Employer. That’s why you’ll find endless knowledge-sharing, mentorship and other career-advancing resources here to help you develop into a better-rounded professional.
We value mechanisms over heroics, engineering over opinion, and scale over manual effort. You’ll work alongside principal technologists, security engineers, and AWS leaders with a shared goal: to secure the world’s workloads.

• Experience in a security engineering or security architecture role within a cloud or large-scale distributed systems environment
• Demonstrated ability to engage technical and executive stakeholders, including CISOs and enterprise architects
• Proficiency in at least one programming or scripting language (e.g. Python, Go, JavaScript) or experience guiding technical implementation through prototypes and design documents
• Experience developing or influencing the deployment of security automation, posture management, or detection systems
• Experience designing secure architectures in a major public cloud platform (e.g. AWS, Azure, GCP), with an ability to translate those patterns into AWS-native designs

• Hands-on experience with AWS security services (e.g. IAM, GuardDuty, Security Hub, CloudTrail, KMS), or ability to rapidly apply equivalent experience from other platforms in an AWS context
• Familiarity with adversary behaviours and detection frameworks (e.g. MITRE ATT&CK, SIGMA)
• Experience supporting enterprise customers across regulated or high-trust environments such as finance, energy, or government
• Prior experience designing or contributing to security automation mechanisms at scale
• Strong understanding of cloud-native security principles, threat modelling, and secure design patterns
• Demonstrated ability to collaborate and deliver results across organisational and technical boundaries