Skills
A Senior DevOps Engineer working in an AWS cloud environment and using Bitbucket as a code repository needs a comprehensive set of skills that spans cloud infrastructure, automation, continuous integration/continuous deployment (CI/CD), security, and collaboration. Here’s a detailed list:
- Cloud Infrastructure & Services (AWS):
Amazon EC2: Deep understanding of managing and scaling compute instances.
Amazon S3: Expertise in storage solutions, including data lifecycle management and S3 policies.
AWS Lambda: Knowledge of serverless computing and how to integrate it into a larger architecture.
Amazon RDS & DynamoDB: Managing relational and NoSQL databases.
AWS VPC: Design and management of Virtual Private Cloud, including subnets, route tables, and NAT gateways. AWS IAM: Identity and Access Management for secure resource access.
AWS CloudFormation/Terraform: Infrastructure as Code (IaC) for automating resource provisioning.
AWS CloudWatch: Monitoring and logging services.
AWS CloudTrail: Logging and monitoring account activity.
AWS Elastic Load Balancing (ELB) : Managing traffic across services.
AWS Auto Scaling: Implementing automatic scaling of EC2 instances.
AWS Elastic Beanstalk : Simplified application deployment and scaling.
AWS Route 53: DNS management and domain routing.
AWS KMS: Key Management Service for encryption.
Amazon CloudFront: Content Delivery Network (CDN) for distributing content globally.
Bash/Shell Scripting: Automating tasks and processes in UNIX-like environments. Python: Writing scripts for automation and integrating various services. PowerShell: Scripting in Windows environments (if applicable).
YAML/JSON: Configuration and templating for infrastructure as code.
Ansible: Configuration management and automation tool.
Chef/Puppet: Experience with these configuration management tools for automation. Jenkins: Managing and creating CI/CD pipelines.
GitOps: Implementing CI/CD pipelines using Git repositories as the source of truth.
Bitbucket: Deep understanding of managing repositories, branches, pull requests, and pipelines. Jenkins/Travis CI/CircleCI: Setting up and maintaining CI/CD pipelines.
Docker: Containerization, including building, managing, and orchestrating containers.
Kubernetes (EKS): Orchestrating containerized applications, managing clusters, and deploying microservices. Git: Proficient in version control, branching strategies, and collaborative workflows.
AWS Security Best Practices: Implementing security groups, NACLs, and identity management.
PCI-DSS Compliance: Understanding and implementing security measures to comply with PCI-DSS standards.
IAM Roles and Policies : Designing and managing secure roles and permissions.
AWS WAF & Shield: Implementing web application firewalls and DDoS protection.
Encryption: Handling data encryption in transit and at rest using AWS services (KMS, S3, etc.).
Vulnerability Management: Regularly scanning and patching systems.
Audit & Monitoring: Implementing logging, monitoring, and auditing for security compliance (CloudTrail, CloudWatch).
TCP/IP, DNS, HTTP/HTTPS: In-depth knowledge of networking protocols and principles.
AWS Direct Connect: Setting up dedicated network connections to AWS.
VPC Peering & VPN: Setting up secure connections between VPCs and on-premises networks. Subnets and Routing: Designing efficient subnetting and routing in VPCs.
Load Balancers (ALB, NLB): Configuring and managing application and network load balancers.
Prometheus & Grafana: Monitoring and visualizing system metrics. Elasticsearch, Logstash, Kibana (ELK Stack): Centralized logging and search. Splunk: Advanced log management and analysis.
AWS CloudWatch Logs: Setting up log groups, alarms, and dashboards. AWS X-Ray : Tracing and analyzing distributed applications.
- Disaster Recovery & Backup:
AWS Backup: Implementing backup strategies for data protection.
Disaster Recovery Planning: Designing and executing DR strategies, including multi-region deployments.
AWS RTO and RPO: Understanding and implementing Recovery Time Objectives and Recovery Point Objectives.
- Collaboration & Communication:
Agile/Scrum: Experience working in Agile environments, with an understanding of Scrum practices. Collaboration Tools: Familiarity with tools like Jira, Confluence, Slack, etc.
Documentation: Proficient in documenting processes, infrastructure, and code for knowledge sharing.
- Problem-Solving & Troubleshooting:
Root Cause Analysis: Expertise in diagnosing issues and identifying root causes.
Performance Optimization: Skills in optimizing infrastructure and applications for performance and cost-efficiency. Incident Management: Experience in managing and resolving production incidents under pressure.
Leadership & Mentoring: Ability to lead teams and mentor junior engineers.
Communication: Strong verbal and written communication skills for interacting with stakeholders. Continuous Learning: Keeping up with the latest trends and updates in AWS services and DevOps practices.
These skills collectively ensure that a Senior DevOps Engineer can effectively manage and optimize cloud infrastructure, streamline development processes, and maintain high security and compliance standards.
