Software Engineer

About Adtran

Our team is expanding, and we are looking for talented individuals to join us. We encourage you to explore our open positions and apply to those that best suit your skills and interests.

Key Responsibilities

CI/CD & Build Automation

• Design, build, and maintain Jenkins pipelines (declarative and scripted) for automated build, test, and deployment workflows.
• Integrate code quality gates, security scans, and automated tests into CI/CD pipelines.
• Troubleshoot and resolve pipeline failures, improving build reliability and speed.
• Support GitOps practices by maintaining version-controlled pipeline and infrastructure code.

Scripting & Automation

• Write Shell scripts (Bash) to automate repetitive operational tasks, system configuration, and deployments.
• Support infrastructure automation using tools such as Ansible and Terraform.
• Maintain and improve internal tooling scripts used across teams.

Linux System Administration

• Administer Linux servers (Ubuntu/CentOS/RHEL), including package management, service management, and performance tuning.
• Diagnose and resolve OS-level issues related to networking, storage, and process management.
• Harden Linux environments and apply security patches and kernel updates.

Containerization & Orchestration

• Build, optimize, and maintain Docker images and container registries.
• Work with Helm charts, manifests, and namespaces for workload management.

Collaboration & Documentation

• Collaborate with cross-functional teams (Dev, QA, Security) to streamline software delivery.
• Document infrastructure architecture, runbooks, deployment guides, and post-incident reports.
• Participate in sprint ceremonies, planning discussions, and code reviews.

Cloud Infrastructure (AWS)

• Provision and manage AWS resources including EC2, S3, IAM, VPC, EKS, and CloudWatch.
• Support cost optimization, tagging, and resource lifecycle management in AWS environments.
• Assist in setting up and maintaining cloud-native networking and security configurations.

Monitoring & Observability

• Set up and maintain monitoring and alerting using tools such as Prometheus, Grafana, or CloudWatch.
• Participate in on-call rotations and respond to production alerts with timely root cause analysis.
• Create dashboards and runbooks to improve visibility and incident resolution time.

Required Qualifications

• 0-1 years of professional experience in a DevOps, Site Reliability Engineering, or Infrastructure role.
• Hands-on experience with Jenkins for CI/CD pipeline creation and management.
• Solid understanding of Docker — building images, writing Dockerfiles, working with container registries.
• Strong command of Linux — file system management, process control, and permissions.
• Proficiency in Shell scripting (Bash) for automation and system administration tasks.
• Understanding of Git and branching strategies (GitFlow, trunk-based development).
• Familiarity with AWS core services: EC2, S3, IAM, VPC, and at least one managed service (EKS, RDS, etc.).
• Practical working knowledge of Kubernetes — deployments, services, ConfigMaps, Secrets, and basic troubleshooting.
• Ability to read and interpret system logs for debugging and root cause analysis.

Preferred Qualifications

• Exposure to GitLab CI/CD, GitHub Actions, or ArgoCD.
• Awareness of container networking (CNI plugins such as Calico or Cilium).
• Experience with Ansible for configuration management and automation playbooks.
• Exposure to Terraform or other Infrastructure-as-Code (IaC) tools.
• AWS Certified Cloud Practitioner or Solutions Architect Associate certification is a plus.
• Familiarity with Helm charts and Kubernetes package management.
• Experience with monitoring stacks such as Prometheus + Grafana or ELK (Elasticsearch, Logstash, Kibana).