PROFESSIONAL EXPERIENCE
Tata Consultancy Services (TCS), New Delhi, India Systems Engineer | June 2015 – June 2021
Infrastructure & Endpoint Management
- Orchestrated monthly Windows patching cycles using SCCM/WSUS for 3,500+ servers and workstations, consistently achieving a 98.5% compliance rate and reducing critical vulnerabilities by 80% within 48 hours of patch release.
- Administered a multi-domain Active Directory environment for 5,000+ users, optimizing GPOs and delegation models, which reduced login-related helpdesk tickets by 30%.
- Managed and maintained a hybrid virtualization environment of 200+ VMs on VMware ESXi and Hyper-V, improving resource utilization by 25% through consolidation and rightsizing.
Cloud & Modern Workplace
- Played a key role in the migration of 1,500+ user mailboxes from on-premise Exchange to O365, configuring Azure AD Connect and enforcing MFA, resulting in a 40% decrease in password-reset requests.
- Implemented and managed Conditional Access policies in Azure AD to enhance security for corporate applications and data access from unmanaged devices.
- Hybrid enablement: design and operate Azure + Microsoft 365 foundations (Entra ID, Conditional Access, Intune) for secure anywhere access, automated device onboarding with Autopilot, and compliant SaaS adoption.
Automation & Performance Tuning
- Developed and deployed a suite of PowerShell and Python scripts to automate user provisioning/de-provisioning, server health checks, and compliance reporting, saving an estimated 10+ hours of manual effort per week.
- Stabilized a Citrix XenApp farm supporting 500+ concurrent users by tuning policies and optimizing profile management, leading to a 35% reduction in session disconnects and logon times.
- Configured custom dashboards and alerts in SolarWinds to proactively monitor critical infrastructure, reducing Mean Time to Resolution (MTTR) for P1/P2 incidents by 35%.
Workflow Automation
- Automated on-chain data pipelines in Python (web3.py, The Graph) to index events, trigger webhook workflows, and reconcile smart‑contract state with off‑chain systems, enabling real‑time alerts and auto‑remediation for contract anomalies.
- Built AI-driven workflow automation using Python (FastAPI) + LLMs for ticket triage, intent extraction, and runbook generation, integrating guardrails and observability (MLflow/W&B) to reduce manual routing and accelerate incident resolution.
- Implemented Python-based CI/CD and policy-as-code for smart contracts (Slither/Mythril, Brownie/Hardhat) with automated security scans, canary deploys, and rollback workflows, improving release safety and auditability
Professional Summary
Results-driven Systems Engineer with 6+ years of experience at Tata Consultancy Services (TCS) specializing in designing, automating, and managing secure, high-availability Windows infrastructure for enterprise clients. Expert in Windows Server administration, Active Directory, Microsoft 365, Azure cloud services, SCCM, VMware virtualization, and Citrix VDI solutions. Proven track record of achieving 98.5% patch compliance, reducing incident resolution times by 35%, and saving 10+ hours weekly through PowerShell and Python automation. ITIL-certified professional seeking challenging roles in systems engineering, cloud infrastructure, and IT operations management.
Core Skills & Technical Expertise
01 Operating Systems & Server Technologies
- Windows Server 2022, 2019, 2016, 2012 R2
- Windows Server Core, Nano Server, Windows Admin Center
- Linux Administration (RHEL, CentOS, Ubuntu basics)
- Server Roles: IIS, File Server, Print Server, WSUS, Certificate Services
02 Directory Services & Identity Management
- Active Directory Domain Services (AD DS), Multi-Domain Forest Management
- Group Policy Management (GPO), Administrative Templates, Security Policies
- DNS/DHCP/WINS Server Management
- ADFS, SAML, OAuth 2.0, Azure AD Connect, Password Hash Sync
03 Cloud Technologies & Microsoft 365
- Microsoft 365 Administration (Exchange Online, SharePoint Online, OneDrive)
- Microsoft Teams Administration, Teams Voice, Policies
- Azure AD Premium P1/P2, Conditional Access, MFA, Identity Protection
- Azure IaaS (VMs, VNets, NSGs), Azure Backup, Site Recovery, Monitor/Log Analytics
04 Endpoint Management & Configuration
- SCCM 2019/2016 (Software Deployment, OSD, Task Sequences)
- WSUS, Application Packaging (MSI, MSIX, App-V)
- Microsoft Intune, MDM/MAM, Windows Autopilot, Co-management
05 Virtualization Technologies
- VMware vSphere 6.7/7.0 (vMotion, HA, DRS, ESXi)
- Hyper-V, SCVMM, Virtual Machine Creation/Templates/Snapshots
- Resource Pools, Performance Optimization, Capacity Planning
06 Virtual Desktop Infrastructure (VDI)
- Citrix XenApp/XenDesktop 7.x (StoreFront, Director, Studio)
- Citrix Profile Management, Folder Redirection, ADC (NetScaler)
- RDS, RemoteApp, Connection Broker, Load Balancing
07 Monitoring & Performance Management
- SolarWinds Orion (NPM/SAM/NTA), Event Viewer, Centralized Logging
- Custom Dashboards, Alert Configuration, Reporting
- Windows Performance Monitor, Resource Monitor, Process Monitor
08 Automation & Scripting
- PowerShell 5.1/7.x (DSC, Remoting, Module Development)
- Python 3.x (pandas, requests, paramiko), Bash/Scripting/VBScript
- REST API Integration, JSON/XML/YAML, Infrastructure as Code (IaC)
09 Security & Compliance
- Windows Security Hardening, CIS Benchmarks, NIST Framework
- Microsoft Defender for Endpoint, Vulnerability Assessment, Patch Management
- PAM, JIT Access, GDPR/ISO 27001 Compliance, Audit Log Management
What we Offer
What Services We Provide.
01
Server Management
Provision and manage hybrid server fleets (VMware/KVM, AWS/Azure) with baseline hardening, centralized identity, and configuration management to ensure consistency and uptime.
02
Digital Marketing
Performance marketing which includes campaign setup and optimization for Shorts/Reels, in‑feed ads, and YouTube, Meta Platforms.
03
Cloud Operations
Infrastructure automation: provision and manage cloud resources with IaC (Terraform/CloudFormation/Bicep), enforce guardrails with policies, and enable self‑service workflows to reduce lead time and drift.
04
Monitoring & Security
Deployed centralized SIEM with SolarWinds Security Event Manager (SEM) to aggregate and correlate logs across firewalls, servers, and endpoints, enabling real‑time threat detection, automated responses, and out‑of‑the‑box compliance reporting (HIPAA/PCI/SOX).
05
AI/ML Reseach
Responsible AI: integrate bias checks, privacy safeguards, and evaluation on out‑of‑distribution data; document limitations and add monitoring for drift and fairness post‑deployment.
06
Web Development
Built full‑stack services and APIs with PHP (Laravel), Python (Django/FastAPI), and Java (Spring Boot), adding JWT/OAuth2 auth, rate limiting, and caching layers to meet latency and scalability targets.
CERTIFICATIONS
Key Platform Used
Windows Server, Linux Servers, Active Directory, SCCM, WSUS, Microsoft 365, Azure AD, VMware vSphere, Hyper-V, Citrix XenApp, SolarWinds, PowerShell, Python, ServiceNow, Solidity, Unity, Java, Web Development
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