Devops Engineer

Key Roles and Responsibilities

1. AWS Cloud Management (EC2, ECS, ALB)

• Design, provision, and maintain scalable and highly available infrastructure on AWS using services like

  EC2

  ,

  ECS

  , and

  VPC

  .
• Configure and manage

  Application Load Balancers (ALB)

  for optimal traffic distribution, health checks, and SSL termination.
• Monitor service health, performance, and costs, implementing optimizations as needed.
• Manage IAM roles and policies to ensure least-privilege access across all AWS resources.

2. Containerization and Orchestration (Docker, Kubernetes)

• Build, maintain, and optimize

  Docker

  images for production applications.
• Manage container orchestration platforms, including

  Docker Swarm

  and

  Kubernetes (K8s)

  .
• Implement and fine-tune

  Kubernetes auto-scaling

  (e.g., Horizontal Pod Autoscaler, Cluster Autoscaler) to ensure application performance and cost-efficiency.
• Troubleshoot container and cluster-level issues in development and production environments.

3. CI/CD Pipeline Automation (Jenkins)

• Design, build, and maintain robust, end-to-end

  CI/CD pipelines using Jenkins

  .
• Automate the build, test, and deployment processes for a variety of applications and microservices.
• Manage Jenkins instances, including plugin management, security, and integration with other tools (e.g., Git, Docker Hub, Artifactory).
• Write and maintain Jenkinsfiles (declarative or scripted pipelines) to define build logic as code.

4. Security and Compliance

• Implement and enforce security best practices for

  Linux server hardening

  , including managing firewalls (iptables/firewalld), user access, and patch management.
• Secure the entire

  cloud infrastructure

  , including network security (Security Groups, NACLs), data encryption, and vulnerability scanning.
• Conduct regular security audits and proactively identify and remediate potential vulnerabilities.
• Respond to and investigate security incidents and alerts.

5. Internal Hardware and Infrastructure Support

• Assist with the setup, configuration, and maintenance of

  internal company hardware

  , including on-premise servers, development workstations, and networking equipment.
• Troubleshoot hardware and network connectivity issues within the office environment.
• Manage physical and virtual assets, ensuring they are properly configured and integrated with our development ecosystem.

Required Skills and Qualifications

• AWS:

  Proven experience with core AWS services (EC2, ECS, ALB, S3, IAM, VPC).

• Containers:

  Strong proficiency in Docker, with hands-on experience in Kubernetes and/or Docker Swarm.

• K8s Expertise:

  Demonstrable experience implementing and managing Kubernetes auto-scaling.

• CI/CD:

  Deep knowledge of CI/CD principles and extensive experience with Jenkins pipeline development.

• Linux:

  Expert-level Linux/UNIX administration skills and a strong understanding of shell scripting (Bash).

• Security:

  Solid understanding of infrastructure security, network security, and Linux system hardening.

• Problem-Solving:

  Excellent troubleshooting skills with the ability to diagnose and resolve complex technical issues.

• Collaboration:

  Strong communication skills and experience working in an agile/DevOps culture.

Preferred Qualifications

• Infrastructure as Code (IaC) experience with tools like Terraform or AWS CloudFormation.
• Experience with monitoring and logging tools (e.g., Prometheus, Grafana, ELK Stack).
• Familiarity with other scripting languages (e.g., Python, Groovy).
• Relevant certifications (e.g., AWS Certified DevOps Engineer, Certified Kubernetes Administrator - CKA).