SeniorAdministrator - Zero - touch
India
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Job Description
SeniorAdministrator - Zero - touch
Bengaluru, Karnataka

Job Summary

1) MDE Platform Administration (Tenant-Level)\r\n2) Server Onboarding & Offboarding (Windows & Linux)\r\na. Design and operate scalable onboarding processes:\r\n i. Windows Server: MECM/SCCM, GPO, Intune, Azure Arc, scripts; ensure Sense EDR sensor and Defender Antivirus are properly configured (including passive mode transitions if 3rd-party AV present).\r\n ii. Linux Server: Package-based installs (mdatp via apt/yum/zypper), onboarding scripts, repo configuration, proxy settings, and service validation.\r\nb. Maintain golden images / AMIs with pre-onboarding steps, device tagging, and machine groups.\r\nc. Operate offboarding flows (offboarding package/keys) for decom, M&A carve-outs, and cloud auto-scale lifecycles; reconcile stale/duplicate devices.\r\nd. Track coverage: % of in-scope servers onboarded, health status, and remediation of inactive/unhealthy devices.\r\n \r\n \r\n3) Policy, Exclusions & Hardening\r\na. Define/maintain AV policies, EDR in block mode, Attack Surface Reduction (ASR) rules, Network Protection, Controlled Folder Access (where server-appropriate).\r\nb. Implement file/path/process exclusions with risk-based justification, balancing performance and detection efficacy; periodic review, attestation, and removal of stale exceptions.\r\nc. Manage Indicators (IOCs), custom URL/Domain/IP indicators, and controlled testing with robust change control.\r\n4) Operations & Support\r\na. Operate day-to-day MDE tool support: ticket queue, troubleshooting onboarding/health/AV conflicts, performance tuning, and sensor/engine update issues.\r\nb. Partner with SOC/IR on incidents; drive endpoint containment, isolation support, evidence capture, and post-incident hardening actions.\r\n5) Automation & Scale\r\na. Build automation with PowerShell, Bash, Azure Automation, Azure DevOps/GitHub Actions, M365 Defender/Graph APIs\r\n



Key Responsibilities

hands-on MDE Platform Engineer to administer Microsoft Defender for Endpoint across Windows and Linux server estates. You will own the MDE platform in our Azure/M365 tenant, ensure secure and compliant onboarding/offboarding of servers at scale, and manage EDR + Defender Antivirus policies, exceptions, ASR, EDR in block mode, sensor health and agent update rings. The ideal candidate brings deep operational experience with MDE on servers, automation-first mindset, and strong collaboration with Infra, SOC, and platform teams.

Skill Requirements

Windows Server: MECM/SCCM, GPO, Intune, Azure Arc, scripts; ensure Sense EDR sensor and Defender Antivirus are properly configured (including passive mode transitions if 3rd-party AV present).\r\n ii. Linux Server: Package-based installs (mdatp via apt/yum/zypper), onboarding scripts, repo configuration, proxy settings, and service validation.\r\n

Other Requirements

MDE Platform Administration (Tenant-Level)\r\n2) Server Onboarding & Offboarding (Windows & Linux)\r\n
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Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 226,300 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending December 2025 totaled $14.5 billion.
23 Benefits At HCLTech, we believe in empowering our employees with comprehensive benefits that support their professional growth and enhance their well-being. When you sign up for a career with us, you gain access to: https://rmkcdn.successfactors.com/147eb21f/a701dca9-f32d-4fc9-9447-6.svg Industry-benchmarked compensation https://rmkcdn.successfactors.com/147eb21f/b0c54381-ddcc-4a33-9b35-9.svg Best-in-class healthcare benefits https://rmkcdn.successfactors.com/147eb21f/b73027be-7aae-4d36-a090-4.svg Personal time off https://rmkcdn.successfactors.com/147eb21f/d5b4fdfd-2e99-4e26-9878-9.svg Maternity and paternity benefits https://rmkcdn.successfactors.com/147eb21f/3d42b0fc-4652-435a-9ece-c.svg Access to skills / higher education programs/resources https://rmkcdn.successfactors.com/147eb21f/aeddeaf2-9e25-4584-ad11-d.svg Discounts on products and services via Benefit Box https://rmkcdn.successfactors.com/147eb21f/a9609a3b-2700-4b3c-9d90-a.svg Participate in CSR programs and live life with a purpose https://rmkcdn.successfactors.com/147eb21f/c6e33851-710f-4634-bd69-f.svg Opportunities to grow and advance your career Note: The benefits listed above vary depending on the nature of your employment and the country where you work. Some benefits may be available in some countries but not in all.