Lead System Administration

India·Chennailead

OtherSystem

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Overview

Job Title: Lead System Administrator Location: Chennai, Tamil NaduEmployment Type: Full-Time Job Summary You will be responsible for managing and maintaining the organization's IT infrastructure,

Technical Tools

OtherSystem

Job Title: Lead System Administrator

Location: Chennai, Tamil Nadu
Employment Type: Full-Time

Job Summary

You will be responsible for managing and maintaining the organization's IT infrastructure, ensuring optimal performance, security, and reliability. This role involves configuring and troubleshooting servers, networks, and enterprise applications, as well as implementing security protocols and system upgrades. You will also provide technical support, automates processes, and collaborate with teams to enhance system efficiency. Strong expertise in Windows administration, virtualization, and IT security is essential.

Responsibilities

Infrastructure Management
- Design, install, and configure internal-facing servers, virtual environments, networks, and firewalls.
- Proactively maintain and manage server, network, and firewall systems.
- Troubleshoot LAN/WAN and backbone infrastructure issues.
Security & Compliance
- Monitor M365 security alerts, logs, and reports to detect and respond to security incidents.
- Ensure IT infrastructure aligns with ISO 27001 and SOC 2 Type 2 security and compliance standards.
- Manage patching and vulnerability remediation for end-user machines, ensuring security updates are tested and deployed efficiently.
- Conduct security assessments and audits of M365 configurations and permissions.
- Implement security controls in M365, Azure AD, Microsoft Defender, and Azure Information Protection.
- Work with security tools (SIEM, IDS/IPS, DLP, endpoint security solutions like Falcon, Endpoint Protector, etc.).
Project & Risk Management
- Develop and implement project plans, risk assessments, and contingency plans.
- Assist with hardware, firewall, and software vendor evaluation and negotiations.
Support & Maintenance
- Provide after-hours support for infrastructure emergencies and occasional weekend maintenance.
- Maintain inventory and asset configuration documentation.
Collaboration & Training
- Mentor and cross-train team members on existing and new technologies.
- Interact with customers and staff at a technical level as required.
- Develop and implement security awareness training programs for end-users.

Required Skills

6+ years of experience in System Administration
Strong understanding of LAN/WAN networking, VLANs, IP subnetting, and 802.1Q trunks.
Experience with Azure & Local Active Directory user and group administration.
Experience in patch and vulnerability management, including OS updates, application patching, and security hardening.
Knowledge of ISO 27001 and SOC 2 Type 2 compliance, including security controls, risk assessments, and audit requirements.
Hands-on expertise in M365 security features and tools.
Strong analytical and problem-solving abilities for assessing security issues.
Excellent communication and collaboration skills.
Ability to work independently and manage tasks in a fast-paced environment.

This role requires a mix of technical expertise, security knowledge, problem-solving skills, and teamwork to ensure a secure and efficient IT infrastructure. Let me know if you need any modifications!

Why Join CoreStack?

Be part of a fast-growing, innovative company and the leader in cloud governance. Work with a talented and passionate team of professionals.
High-impact role with significant influence over company growth trajectory and expanding market presence.
A mission-driven culture that values and rewards collaboration and innovation.
Competitive compensation package, including performance bonus and stock options.
Generous Paid Time Off and Holidays.