Job Description

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Operating Systems & Systems Fundamentals

Manage Linux/Unix systems, including files, filesystems, permissions, process management, logs, daemons, and storage.

Networking

Design, configure, and troubleshoot TCP/IP networks including subnetting, routing, DNS, and protocol stacks (TCP/UDP, HTTP/S, SMTP, IMAP, POP3, SNMP, NTP, DHCP, SSH). Implement and monitor security controls such as firewalls, NAT, VPNs, reverse proxies, and bastion hosts. Configure and maintain load balancing solutions with understanding of L4 vs L7 load balancers.

Virtualization & Containers

Deploy and manage virtual machines using VMware, Hyper-V, or KVM; handle VM creation, resource allocation, and snapshots. Understand and articulate the differences between virtualization and containerization. Build, run, and manage containers with Docker; use Docker Compose and manage container registries (DockerHub, Azure Container Registry). Deploy and scale workloads on Kubernetes, including pods, deployments, services, scaling, ingress, and service mesh solutions (Istio, Linkerd).

Cloud Infrastructure (Azure Focus)

Architect and manage cloud resources using IaaS, PaaS, SaaS models; select appropriate regions, and understand SLAs. Provision and manage Azure compute (VMs, Scale Sets), storage (Blob, Disk, Files, Queues), networking (VNets, NSGs, VPN Gateway, ExpressRoute), and databases (Azure SQL, Cosmos DB, PostgreSQL, MySQL). Implement monitoring and identity solutions using Log Analytics, Application Insights, Azure Active Directory, and RBAC. Employ Infrastructure as Code (IaC) using ARM templates, Bicep, or equivalent.

Infrastructure as Code & Automation

Manage source code and infrastructure with Git and GitOps practices. Automate resource provisioning with Terraform or Pulumi. Configure systems using Ansible, Chef, or Puppet; automate Windows infrastructure with PowerShell DSC. Script using Bash and Python for automation and orchestration. Design and maintain CI/CD pipelines for infrastructure deployment.

Application Runtime Management

Deploy and manage web servers (Apache, Nginx, IIS) and reverse proxies. Administer databases--both SQL (MySQL, PostgreSQL, SQL Server) and NoSQL (MongoDB, Redis). Integrate and manage queueing and messaging systems (RabbitMQ, Kafka, Azure Service Bus). Implement caching solutions with Redis and Memcached. Monitor application and infrastructure health using Prometheus, Grafana, and the ELK/EFK stack.

Security & Compliance

Implement and manage identity and access management (AAA, SSO, MFA, federated identities). Secure secrets with SSH keys, Vault, or Azure Key Vault. Manage certificates (TLS/SSL, PKI). Ensure compliance with standards such as ISO, SOC2, HIPAA, and GDPR. Perform container image scanning and enforce runtime security.

Observability & Incident Response

Set up and manage monitoring for logs, metrics, and traces; leverage tools like ELK, Splunk, Azure Monitor. Demonstrate understanding of reliability metrics--SLA, SLO, SLI. Participate in incident management, follow ITIL basics, conduct blameless postmortems, manage tickets, and drive change management processes.

Key Skills & Qualifications

Strong fundamentals in Linux/Unix administration and process management. Deep understanding of networking protocols, security, and load balancing. Hands-on experience with virtualization, containerization (Docker, Kubernetes), and cloud architectures (especially Azure). Proficient with IaC tools (ARM, Bicep, Terraform, Pulumi) and configuration management (Ansible, Chef, Puppet). Skilled in automation and scripting (Bash, Python, PowerShell). Experience with modern CI/CD practices and tools. Competent in application runtime management, monitoring, and troubleshooting. Solid grasp of security best practices, secrets management, and compliance frameworks. Familiarity with incident response, monitoring platforms, and ITIL methodologies. Excellent communication, documentation, and problem-solving abilities.

Preferred Certifications (optional)

Microsoft Certified: Azure Administrator Associate / Solutions Architect Certified Kubernetes Administrator (CKA) HashiCorp Certified: Terraform Associate CompTIA Security+ or equivalent

Weekly Hours:

40

Time Type:

Regular

Location:

IND:AP:Hyderabad / Argus Bldg 4f & 5f, Sattva, Knowledge City- Adm: Argus Building, Sattva, Knowledge City
It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made.