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Lead DevOps Engineer

Mastercard4 days ago
Toronto
Senior Level

Top Benefits

Gym membership
Pension plan
Share purchase options

About the role

Who you are

  • The ideal candidate will bring deep AWS expertise, particularly in infrastructure, security, automation, deployment maturity, monitoring/alerting, and self-healing environments
  • Enterprise-level IT experience, with a proven track record in designing, deploying, and securing large-scale infrastructure solutions
  • Hands-on AWS experience across multi-account environments, with expertise in automation, monitoring, security hardening, and performance optimization
  • Skilled in AWS networking, compute, and security, including VPCs, Subnetting, NAT, Security Groups, Load Balancers, WAF/Shield, CloudFront, Route 53, EC2, ECS, EKS, IAM, and Config
  • Experienced with Linux administration, shell scripting, system tuning, and security hardening
  • Proficient in automation and infrastructure as code using Terraform, AWS CLI, Systems Manager, and Git
  • Experienced in monitoring and observability with CloudWatch, CloudTrail, and third-party tools
  • Skilled in managing databases and security services (RDS, KMS, HSM, Workspaces)
  • Proven ability to drive automation across infrastructure and deployment pipelines
  • Excellent communication and collaboration skills, with experience working closely with development teams, product managers, and security stakeholders
  • Ability to produce and maintain technical documentation, runbooks, and compliance reports for enterprise environments
  • Bachelor’s degree in Computer Science, Information Technology, Engineering, or related field, or equivalent professional experience

What the job involves

  • Mastercard is seeking a Lead DevOps Engineer to join our dedicated team focused on security services
  • Operating 100% in AWS, you will manage dozens of accounts that provide infrastructure and security services for the RiskRecon product
  • In this role, you will collaborate closely with development teams and product management to deliver secure, scalable, and highly available solutions that support rapid product growth
  • Design and manage AWS Networking, including VPCs, Subnetting, NAT, NACLs, Security Groups, VPC Endpoints, Transit Gateways, Routing Tables, and Network Interfaces
  • Implement and optimize Application and Network Load Balancers, Target Groups, Network Bridging, and Listener Routing
  • Configure and monitor WAF rules, Shield services, DDoS protection, and CloudFront distributions
  • Administer DNS services with Route 53
  • Deploy and maintain AWS EC2 instances, including Linux instances, spot, AMIs, volumes, snapshots, Auto Scaling Groups, and Launch Templates
  • Manage AWS ECS for containerized workloads, including Docker tasks and clusters
  • Oversee AWS EKS clusters, resources, and workloads
  • Configure and monitor CloudTrail and CloudWatch for infrastructure and security logging, monitoring, and alerting
  • Administer and secure AWS IAM roles, policies, resource policies, and SCPs
  • Automate and optimize Linux system administration through shell scripting, monitoring, and tuning
  • Leverage AWS CLI and Systems Manager to drive automation and administration tasks
  • Maintain compliance with AWS Config through auditing, reporting, and governance
  • Utilize Git, AWS CodeCommit, Terraform, RDS, KMS, HSM, and Workspaces to support infrastructure as code, data management, and security

Benefits

  • Gym membership
  • Pension plan
  • Share purchase options
  • Extra holiday purchase optional
  • 25 days holiday (excl. bank holidays)
  • Work from home opportunities
  • Health insurance

About Mastercard

IT Services and IT Consulting
10,000+

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re building a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.