Sr. Engineer - AWS DevOps

We are looking for an experienced Enginner/Sr. Engineer - AWS DevOps with strong expertise in cloud infrastructure, DevOps, and Linux administration. The ideal candidate should have hands-on experience with AWS services, automation, CI/CD pipelines, and cloud security best practices. Additionally, the role requires experience with Ruby on Rails, Ext.js, and PostgreSQL, along with various AWS and Linode-hosted services.

Key Responsibilities:
Infrastructure Management:

• Design, deploy, and maintain AWS-based infrastructure for scalability and high availability.
• Implement and manage AWS networking (VPCs, subnets, security groups, and NACLs).
• Configure AWS AutoScalingGroup and Load Balancer Classic for dynamic scalability.
• Monitor system performance and ensure optimal cloud resource utilization.
• Manage AWS Elastic File System (EFS) and mounting across instances.
• Maintain and troubleshoot Linode-hosted infrastructure.

DevOps & Automation:

• Develop and maintain CI/CD pipelines using Jenkins, GitHub Actions, or AWS CodePipeline.
• Automate infrastructure provisioning using Terraform, CloudFormation, or AWS CDK.
• Implement containerized solutions using Docker and Kubernetes.
• Deploy and manage applications using AWS CodeDeploy.

Linux Administration for AWS & Linode:

• Manage and optimize Ubuntu-based workloads on AWS and Linode.
• Configure and troubleshoot SSH, system performance tuning, and security hardening.
• Automate routine Linux operations using Bash, Python, or Ansible.

Application Support & Database Management:

• Work on applications built using Ruby on Rails and Ext.js.
• Manage and optimize PostgreSQL databases.
• Ensure high availability and performance tuning for databases and applications.

Security & Compliance:

• Implement AWS IAM policies, roles, and permissions to ensure security best practices.
• Perform periodic security audits and cost optimizations for AWS infrastructure.
• Work on backup, disaster recovery, and high availability strategies.

Monitoring & Troubleshooting:

• Set up monitoring and alerting using AWS CloudWatch, Prometheus, Grafana, or ELK stack.
• Troubleshoot and resolve cloud infrastructure, networking, and performance issues.

SSL Management & Network Security:

• Oversee SSL certificate renewals, ensuring continuous HTTPS availability.
• Automate certificate issuance and renewal using Certbot, Let’s Encrypt, AWS Certificate Manager, or OpenSSL.
• Troubleshoot SSL/TLS handshake errors and configuration issues on Apache, Nginx, and load balancers.
• Implement certificate pinning, HSTS (HTTP Strict Transport Security), and secure ciphers for enhanced security.
• Maintain firewalls, IDS/IPS, and Web Application Firewalls (WAFs).
• Configure DDoS mitigation strategies and traffic filtering using tools like Cloudflare, Akamai, AWS Shield, or Azure DDoS Protection.
• Enforce zero-trust security models and secure VPN configurations for remote access.

Required Skills & Qualifications:

• 4-10 years of hands-on experience in AWS infrastructure and DevOps.
• Strong knowledge of AWS services like EC2, RDS, S3, Lambda, Route 53, IAM, and CloudFormation.
•  Experience with Infrastructure as Code (IaC) tools like Terraform or AWS CDK
• Proficiency in Linux administration (Ubuntu), scripting (Bash/Python), and system troubleshooting.
• Experience with CI/CD tools (Jenkins, GitHub Actions, AWS CodePipeline).
• Familiarity with Docker, Kubernetes, and container orchestration.
  Strong grasp of cloud security best practices.
• Experience working with Ruby on Rails, Ext.js, and PostgreSQL.
• Knowledge of AWS AutoScaling, Load Balancers, CodeDeploy, and Elastic File System.
• Familiarity with Linode hosting and related cloud infrastructure.

Preferred Skills (Nice to Have):

• AWS Certification (Solutions Architect, SysOps, or DevOps Engineer).
• Experience with multi-cloud environments (Azure, GCP).
• Knowledge of serverless computing and event-driven architectures.