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Principal Engineer leading design and implementation of secure architectures for Walmart’s AI Security Team. Responsibilities include risk management, capacity planning, and cross - team collaboration.
About the role
- Cloud Infrastructure Engineer ensuring AWS service reliability and performance at Perlego. Collaborating with teams and managing infrastructure in a hybrid working environment.
Responsibilities
- Manage and support AWS infrastructure, focusing on scalability, security, and reliability
- Handle deployments, managing CI/CD pipelines for both containerised (Docker/ECS) and serverless (AWS Lambda) applications
- Ensure effective backup, recovery, and disaster recovery strategies to minimise downtime
- Manage operational and analytical data stores (Aurora MySQL, DynamoDB, Databricks)
- Monitor and manage platform activity using tools like Prometheus, Grafana, or AWS CloudWatch
- Respond quickly to alerts and incidents, independently resolving issues and ensuring service uptime
- Conduct post-incident reviews and help improve system resiliency through automation and monitoring enhancements
- Review network activity with AWS Security Hub and Cloudflare
- Collaborate with cross-functional teams to implement platform improvements
- Work independently and make swift decisions when managing service incidents outside core business hours
- Assist in platform security, ensuring adherence to best practices for cloud security and compliance
- Automate manual processes to reduce human error and improve efficiency
- Continuously enhance monitoring systems, ensuring robust early detection and resolution capabilities
- Identify potential performance bottlenecks and contribute to overall platform optimisation
Requirements
- Experience in Cloud Infrastructure Engineering, DevOps, or a similar field
- Strong experience with AWS services and containerised applications
- Strong experience operating operational data stores (Aurora MySQL, DynamoDB)
- Expertise in using monitoring tools (e.g. Prometheus, Grafana, CloudWatch)
- Strong understanding of network security and Cloudflare
- Hands-on experience with CI/CD pipeline management for deploying containerised and serverless applications, preferably with GitHub Actions
- Proficiency in Linux-based operating systems and shell scripting
- Familiarity with Infrastructure as Code tools (Terraform, CloudFormation)
- Experience with incident management, troubleshooting, and platform recovery in high-pressure environments
- Strong communication skills with a proven ability to work both independently and collaboratively
- It’s a plus if you have experience working in a global, distributed team providing off-hours support
- Experience with analytical data stores (Databricks)
- Previous experience with SecOps and cloud security best practices
- Familiarity with scaling highly available systems in a fast-paced, growth-oriented environment
Benefits
- Flexible hybrid working environment, in the office twice a week
- Personal L&D budget for online courses, subscriptions, or books not on Perlego
- Dedicated Learning Time for new skills, projects, or interests
- 22 days annual leave + 1 additional day per year of service
- Days between Boxing Day and New Year off
- Flexibility to swap local bank holidays for religious or cultural days
- Flexible short-period remote working overseas, as long as you remain a UK tax resident
- 1-month unpaid sabbatical after 3 years; 1-month paid sabbatical after 5 years
- 1 additional day per year for life events
- Private medical, optical and dental insurance via Vitality
- Cycle to Work Scheme
- Regular social events and activities for everyone
- Competitive matched parental leave and phased return to work
- Workplace Nursery Benefit
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