Site Reliability Engineer

Armor Defense; Maharashtra; On-site; INR 4,200,000 - 6,800,000; Full time

Job summary

Armor Defense in Pune, India seeks an experienced Site Reliability Engineer to join our infrastructure team. This role emphasizes cloud deployments, automation, and incident reduction across hybrid cloud environments.

You will manage Entra ID, on‑prem AD, VMware NSX‑T, and Office 365 services, while building IaC with Terraform and implementing robust monitoring with Datadog, Prometheus, and Grafana. Strong English communication and on‑call readiness are required.

Qualifications

• 8+ years of SRE/DevOps experience in production environments.
• Strong Windows production environment experience.
• 3+ years of Linux/Unix production deployments.

Responsibilities

• Administer Entra ID and on-prem Active Directory environments.
• Configure conditional access and secure authentication policies.
• Deploy and administer VMware vSphere and NSX‑T environments.
• Design scalable and secure network topologies.
• Migrate workloads across VMware, AWS, Azure, and OCI when necessary.
• Manage and optimize Office 365 services, including Exchange Online, SharePoint, Teams, and Intune.
• Write code (Python, PowerShell, Bash) to automate tasks and monitor health.
• Implement self-healing and proactive issue detection.
• Lead IaC efforts with Terraform; ensure modularity and DRY principles.
• Define SLIs/SLOs and build dashboards/alerts using Datadog, Prometheus, Grafana, etc.
• Collaborate with engineering and security to reduce toil and improve stability.
• Design monitoring, alerting, and incident-response workflows for new deployments.
• Maintain Zerto replication and Rubrik backups; ensure DR RTO/RPO.
• Lead incident response and blameless postmortems; drive continuous improvement.
• Participate in on-call rotations and root‑cause analysis.

Skills

SRE/DevOps experience

English communication

Troubleshooting in hybrid environments

On-call readiness

Automation mindset

Tools

VMware vSphere/NSX-T

Terraform

Ansible

GitLab CI/Jenkins

Datadog/Prometheus/Grafana

Job description

At Armor, we are committed to making a meaningful difference in securing cyberspace. Our vision is to be the trusted protector and de‑facto standard that cloud‑centric customers entrust with their risk. We strive to continuously evolve, breaking norms and tirelessly innovating to stay ahead of cyber threats and reshaping how we deliver customer outcomes.

We are looking for a highly skilled Site Reliability Engineer (SRE) to join our infrastructure team with expertise in Cloud Deployments, Microsoft Entra ID (Azure AD), Active Directory, Office 365, Zerto, Rubrik, VMware, and NSX‑T. This hands‑on, automation‑heavy role focuses on system reliability, scalability, and proactive problem prevention. The SRE will build and maintain resilient infrastructure, automate repetitive tasks, monitor performance, and drive incident‑reduction strategies across hybrid cloud environments.

ESSENTIAL DUTIES AND RESPONSIBILITIES

• Administer and maintain Microsoft Entra ID and on‑prem Active Directory environments.
• Configure conditional access, identity protection, and secure authentication policies.
• Deploy and administer VMware vSphere and NSX‑T environments.
• Design and implement scalable, secure virtual network topologies.
• Assist in migrating and managing workloads across VMware, AWS, Azure, and OCI when necessary.
• Manage and optimize Active Directory and Office 365 services, including Exchange Online, SharePoint, Teams, and Intune.
• Write clean, maintainable code (Python, PowerShell, etc.) to automate ops tasks and monitor system health.
• Implement self‑healing mechanisms and proactive detection of issues.
• Contribute to infrastructure‑as‑code efforts using Terraform, focusing on modularity and DRY principles.
• Define SLIs/SLOs and build custom dashboards and alerts using Datadog, Prometheus, Grafana, Splunk, or equivalent.
• Collaborate with engineering and security teams to reduce toil and improve platform stability.
• Design and implement monitoring, alerting, and incident‑response workflows for new production deployments.
• Maintain and tune Zerto replication and Rubrik backup infrastructure.
• Ensure DR strategies meet business RTO/RPO and compliance requirements.
• Lead response and resolution for high‑impact infrastructure incidents.
• Conduct blameless postmortems and drive continuous improvement.
• Participate in on‑call rotations and root‑cause analysis for incidents impacting production services.
• Lead the automated vulnerability patch management program through automation.

REQUIRED SKILLS

• 8+ years of experience in SRE, DevOps, Systems, or Infrastructure Engineering roles in production environments.
• 8+ years of experience in Windows production environments.
• 3+ years of experience with Linux/Unix production deployments.
• 3+ years of experience with Kubernetes.
• Strong troubleshooting skills, especially in complex or hybrid environments.
• Strong communication skills with a robust command of English.
• Deep hands‑on knowledge of VMware technologies (vSphere, ESXi, vCenter, NSX‑T).
• Experience with Oracle Cloud Infrastructure (OCI), including compute, networking, and IAM.
• Experience in AWS using Terraform to manage environments.
• Experience in Azure environments, particularly focused on Entra ID.
• A clear understanding of Secure Landing Zone concepts.
• Expertise in Microsoft Entra ID (Azure AD) and on‑prem Active Directory administration, monitoring, and troubleshooting.
• Experience with Zerto and Rubrik platforms.
• Cloud understanding of RTO/RPO and meeting SLAs for disaster recovery.
• Experience with Terraform, Ansible, or similar IaC tools.
• Strong scripting skills in Python, PowerShell, Bash, or equivalent.
• CI/CD and GitOps experience using tools like GitLab CI and Jenkins.
• Proficient with version control systems (Git).
• Experience with monitoring and alerting tools like Prometheus, Grafana, ELK, and Datadog.
• Understanding of system‑level networking, DNS, firewalls, and load balancing.
• Familiarity with security and compliance frameworks (PCI, HIPAA, ISO, etc.).

WORK ENVIRONMENT

The work environment is typically low to moderate in noise. Work can be performed in an office setting or remotely from anywhere. This position is based in Pune, India, and requires on‑site presence four days a week (Monday‑Thursday).

EQUAL OPPORTUNITY EMPLOYER

We are an equal opportunity employer. We comply with all employment laws and provide equal employment opportunity to individuals in all aspects of employment, including selection for job opportunities, without regard to race, color, religion, sex, national origin, age, disability, genetic information, veteran status, or any other consideration protected by federal, state, or local laws.