Lead System Engineer

Abhijeet Adhikary

System Admin | Devops | Cloud | Infrastructure | Security

Lead System Engineer with 12+ years of experience running hybrid cloud, VMware estates (500+ VMs), Kubernetes clusters, and enterprise infrastructure with 99.9% uptime.

12+ Years

Enterprise Ops

500+ VMs

Managed Estate

99.9%

Uptime Target

CKAVCPRHCECDCPCompTIA Server+O365
Abhijeet portrait
DevOpsInfraAutomationComplianceKubernetesHybrid CloudOn-Prem Data CenterVirtualizationSecurityVMwareGitLabCI/CDTerraformAnsibleDockerSysOps

Passionate tech enthusiast with hands-on experience in System administration, Devops, cloud services, and IT infrastructure management.

What I deliver

Cloud & Infra Engineering

Design, scale, and harden hybrid environments that stay resilient under real enterprise load.

Platform Reliability

Build SRE-grade monitoring, alerting, and response playbooks to keep uptime above 99.9%.

Security & Compliance

Secure-by-default infrastructure, audits, and governance for production-critical systems.

Core capabilities

AWS (EC2, S3, IAM, Elastic Beanstalk)
Azure & Microsoft 365
Google Cloud
VMware ESXi, vSphere, Hyper-V, KVM
Kubernetes & Docker
Terraform & CI/CD (GitLab)
Linux & Windows Server Administration
ISO 27001, ISO 9001, CMMI L-3
ELK Stack, Prometheus, Grafana
Bash, Python, YAML
Experience

Lead System Engineer

BRACIT Services Limited, Dhaka - Jul 2024 - Present

  • Lead System & Network Engineering teams and plan capacity upgrades.
  • Administer GitLab and Harbor registries, optimize CI/CD runners.
  • Manage Palo Alto and FortiGate firewalls, security hardening, audits.
  • Operate Hybrid AD/Azure AD (Entra ID) and MECM/SCCM patching.

System Engineer

BRACIT Services Limited, Dhaka - Jan 2023 - Jun 2024

  • Operated 20+ ESXi hosts and 500+ VMs with 99.9% availability.
  • Managed hybrid email infrastructure (On-Prem + Microsoft 365).
  • Built monitoring with ELK, Prometheus, Grafana and web stack ops.
  • Led incident response and RCA for critical system issues.

System Engineer

BRACIT Services Limited, Dhaka - May 2019 - Dec 2022

  • Administered Linux and Windows Server environments.
  • Delivered automation with Shell, Expect, Sed, and Awk.
  • Implemented SSL/TLS at scale with hardening and migrations.

Regional IT Support Engineer

Aamra Networks Limited, Dhaka - Jan 2015 - Dec 2016

  • Supported 100+ users and maintained on-prem data center services.

VMware Certified Professional - Data Center Virtualization (2024)

Certified Kubernetes Administrator (CKA)

AWS Fundamentals: Going Cloud-Native

CompTIA Server+

Red Hat Certified System Administrator

Red Hat Certified Engineer

Red Hat Fundamentals of Ansible

Microsoft Certified: Azure Administrator Associate

Microsoft Certified: Windows Server Hybrid Administrator Associate

Microsoft 365 Certified: Administrator Expert

Microsoft Certified: Information Protection and Compliance Administrator Associate

Google System Administration and IT Infrastructure Services

Master of Science (MSc) in Computer Science and Engineering (CSE)
Cloud Systems and Infrastructure - University of Colorado System
System Administration and IT Infrastructure Services - Google
Azure Infrastructure Fundamentals - University of Colorado System
Enterprise System Management and Security - University of Colorado System
Red Hat Certified System Administrator (RHCSA)
Red Hat Certified Engineer (RHCE)
Microsoft Certified Solutions Associate (MCSA 2016)
Customer Orientation & Services
Professional Skill Development Program
Skills Development Training on Fire Safety, Basic First Aid & Casualty Management
English - Upper Intermediate (B2)
Bengali - Advanced (C1)

Let's build reliable systems together.

Reach out for infrastructure modernization, platform reliability, or cloud security initiatives.