قمر زيشان

- Delivered enterprise-grade cloud support across Azure, AWS, and GCP, ensuring uptime, compliance, and smooth operations during high-demand, business-critical periods.
- Reduced manual effort by automating patching, server tasks, and IAM provisioning via PowerShell and Bash scripting.
- Designed and managed CI/CD pipelines (GitHub Actions), cutting deployment failures by ~40% and improving release velocity through gated approvals and shift-left testing.
- Optimized cloud costs by ~25% via reserved instances, rightsizing, and monitoring, ensuring sustainable scalability without degrading application capacity, reliability, or performance.
- Implemented multi-cloud monitoring (CloudWatch, Azure Monitor, GCP Ops Suite), improving detection and reducing MTTR by ~35% using unified alerts and dashboards.
- Strengthened access security using policy-based IAM, Azure AD, and RBAC across cloud systems, lowering risk and closing audit gaps.

- Led AWS & GCP infrastructure for a cloud-security startup, automating deployments, streamlining delivery pipelines, and optimizing costs across 15+ environments supporting critical global customer-facing workloads.
- Designed and deployed a GCP alerting pipeline (Log Sinks → Pub/Sub → Cloud Functions) to flag high-severity IAM/security events in real time, dramatically improving detection speed, response times, and reducing blind spots by ~80%.
- Mentored and upskilled a team of 5 junior DevOps engineers, raising delivery standards, instilling DevSecOps best practices, and ensuring readiness for highly resilient production-grade pipelines across multi-cloud workloads.
- Authored ISO 27001-aligned documentation and mapped controls, helping the organization pass audits and boost customer trust.
- Automated monitoring and IAM audits using Bash and GCP tools, accelerating event triage and improving operational efficiency.

- Managed 100+ Windows/Linux servers across diverse client environments, ensuring SLA compliance, reducing downtime, and improving resilience through proactive patching and incident resolution.
- Optimized VMware vSphere and Hyper-V clusters, reducing resource waste by ~25% and boosting workload performance to reliably support production growth and mission-critical enterprise applications.
- Supported AWS workloads (EC2, IAM, ELB, S3), resolving scaling issues, hardening configurations, validating backups, and continuously monitoring environments for compliance and high availability.
- Configured AWS services (IAM, EC2, S3, ELB, Route 53) and authored SOPs/training guides, standardizing operations, improving cross-team knowledge transfer, and embedding DevOps-aligned practices.
- Led monthly patch cycles to maintain 100% compliance while minimizing disruption across critical workloads.

- Maintained Windows/Linux servers and hosted applications on VMware vSphere, ensuring uptime, reliability, advanced performance tuning, and smooth continuity in Tier-3 enterprise data center environments.
- Managed core services including Active Directory, DNS, DHCP, and scheduled backups to support business continuity.
- Monitored systems using Grafana and Nagios, driving proactive incident resolution during critical operational periods.
- Coordinated scheduled maintenance windows and patching cycles to minimize downtime, improve system reliability, and protect stringent SLA requirements.

- Supported 1, 000+ Harrow Council users (including Citrix WYSE clients), ensuring service continuity and prompt issue resolution.
- Managed AD user accounts and group permissions across multiple environments, reducing access-related incidents by ~25% through structured reviews, auditing, and proactive governance controls.
- Troubleshot Windows desktop, printer, and network faults, ensuring smooth operations across multiple sites under strict SLAs.
- Delivered comprehensive 2nd-line support for Windows Server/Desktop, resolving ~90% of tickets within SLA, improving user satisfaction, and enhancing service delivery efficiency.