Job Description –Linux & Email System Support Administrator Experience -3 to 6 Yrs 1. Position Overview We are looking for an experienced

Linux & Email System Support Engineer

to provide onsite support and maintenance for the client’s email infrastructure. The candidate will be responsible for Linux based email system monitoring, troubleshooting, OEM coordination, patching, backup support, and DC/DR activities. 2. Qualification & Experience: Graduate in

Engineering / IT / Computer Science

or equivalent qualification. Minimum 3

years of experience

in Enterprise mailing systems or linux systems administration. Positive understanding of

Linux fundamentals and system administration . Working knowledge of

enterprise email/open-source mailing systems

and related technologies. Good understanding on email terminology and protocols such as: SMTP IMAP POP/Fetch Mail Mail Relay Postfix NDR/FDR Mail Queue and Mail Flow 3. Roles & Responsibilities: A. Email System & Linux Administration Maintain and support the existing

Netcore email solution

deployed at the client location. Perform administration and maintenance of the Linux operating systems supporting the email infrastructure. Maintain and troubleshoot all relevant

software and hardware components

of the email solution. Monitor mail traffic, including

incoming/fetched and outgoing emails . Monitor mail queues, delivery status, failures, NDRs, and other email-related issues. Perform installation, configuration, reconfiguration, troubleshooting, restoration, and recovery of: Operating systems Mailing software Licenses Related infrastructure components B. Incident & User Support Attend and resolve incidents, service requests, and queries raised by users/client teams.



Provide timely responses and regular updates through

phone/email/ticketing systems . Troubleshoot email delivery, connectivity, configuration, and system-related issues. Ensure all incidents and service requests are handled within the defined

SLA requirements . Maintain proper documentation of incidents, resolutions, and configuration changes. C. OEM / Vendor Coordination Coordinate with

Netcore and other OEM/vendor support teams

for troubleshooting and resolution of technical issues. Raise and manage OEM/vendor support tickets and ensure timely closure. Follow up on open tickets and escalate issues wherever required. Coordinate with OEM engineers for: Configuration changes Software upgrades Security patches Bug fixes Vulnerability remediation Planned maintenance activities D. DC / DR / FDR Support Manage and maintain the email infrastructure deployed across

DC, DR, and FDR sites . Participate in and execute

DC/DR drills

as per the client’s requirements and policies. Support scheduled

half-yearly DR drills

and document the results. Assist in restoration and recovery activities during DR exercises and actual incidents. Ensure the required services and configurations are validated after DR activities. E. Security, Patching & Hardening Ensure operating systems and mailing software are appropriately

hardened and securely configured .



Apply the latest approved

OS patches, security updates, and application patches . Coordinate with Netcore/OEM teams for security updates and fixes related to identified bugs and vulnerabilities. Support remediation activities arising from

security audits and vulnerability assessments . Ensure configuration and patching activities are properly documented. F. Backup & Recovery Assist in configuring and maintaining

system backups

as per client requirements. Verify backup status and report backup failures or issues. Support restoration and recovery of systems/data when required. Participate in periodic backup and recovery validation activities. 4. Working Hours & Onsite Requirement: Engineer will be required to work

onsite from Monday to Friday . Regular working hours:

8:30 AM to 6:00 PM . Engineer should be available beyond regular working hours for

planned maintenance, upgrades, migrations, troubleshooting, or vendor coordination , whenever required. The engineer may also be required to work on

Saturdays/Sundays or other non-working days

for activities such as: DC/DR drills Planned upgrades Maintenance activities Major configuration changes OEM/vendor-supported activities 5. Key Skills Required: Linux System Administration Linux troubleshooting Email/Mailing System Administration SMTP / IMAP / POP / Mail Relay Postfix Mail flow and mail queue monitoring Email troubleshooting NDR/FDR handling OS installation and configuration OS patching and hardening Backup and recovery DC/DR operations Incident and ticket management OEM/vendor coordination Good communication and customer-handling skills

Interested Candidates

can share CV's to Email:

📌 Linux & Email System Support Administrator (Mumbai)
🏢 SHI Solutions India
📍 Mumbai