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Sr. System Administrator (Infrastructure & Network)

Sr. System Administrator (Infrastructure & Network)

Enterprise Minds

5 - 9 years

8 - 12 Lacs

noida

Posted:2 days ago| Platform:

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Skills Required

linux server cisco networking microsoft windows troubleshooting vpn configuration linux system administration nat it systems administration ftp nginx ip sonicwall apache vlan aws cloud linux network maintenance cisco switches mysql

Work Mode

Work from Office

Job Type

Full Time

Job Description

Broad Function

As a Senior System Administrator at FCI-CCM, you will be responsible for ensuring the smooth operation, maintenance, and security of our IT systems, infrastructure, and network. You will collaborate with cross functional teams to address technical issues, implement solutions, and optimize our IT environment for maximum efficiency and performance.
Roles and Responsibilities:

Windows System Administration

:

Installation, configuration, and maintenance of Windows Servers, including 2012 and 2019 editions. Regular

maintenance of all installed systems and infrastructure.

Installation, configuration, testing, and maintenance of operating systems and other system management

tools.

Continuous monitoring and performance testing of Windows Server OS for potential bottlenecks, with the

ability to identify and implement solutions and fixes.

Linux

Skills:

Proficiency in managing Linux servers within virtualized environments.

Experience with Linux desktops in Domain environments.

Familiarity with Linux scripting languages.

Installation, configuration, and maintenance of services such as Bind, Apache, MySQL, nginx, FTP, etc.

Ability to build and monitor services on production Linux servers.

Firewall Management:

Administration and troubleshooting of SonicWALL Firewalls.

Evaluation, implementation, and monitoring of incoming network change requests.

Expertise in IP-based rule-defined access, NAT, and VPN configuration.

Configuration of load balancing and high availability.

Continuous firewall log monitoring and proactive incident handling.

Cisco Switching & Wireless Infrastructure:

Administration and troubleshooting of Cisco L3 switches, including VLAN, STP, trunking, inter-VLAN routing,

and QoS.

Management of Cisco Managed Access Points and Wireless Controllers.

Configuration and monitoring of Managed Switches for LAN/WAN optimization.

Configuration of SSIDs, wireless security (WPA2/WPA3, 802.1x), and guest Wi-Fi networks.

Monitoring and analyzing switch/AP performance, bandwidth utilization, and traffic flows.

Implementation of network segmentation and security best practices.

General Responsibilities:

Collaborate with cross-functional teams to ensure IT infrastructure meets business needs.

Perform routine system and infrastructure audits for security and performance enhancements.

Troubleshoot and resolve complex system and network issues promptly.

Maintain up-to-date documentation of system configurations and procedures.

Stay current with industry trends and emerging technologies to provide recommendations for system

improvements

Requirements

Key skills & Desired Experience required for the role:

Knowledge of ticketing tools like fresh service, zoho will be an added advantage.

Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience).

Minimum of 5 years of experience in IT system administration, infrastructure, and network maintenance.

Strong expertise in Windows and Linux system administration.

Proficiency in managing network firewalls, particularly SonicWALL.

Hands-on experience with AWS cloud infrastructure.

Excellent problem-solving and troubleshooting skills.

Strong communication and teamwork skills.

Relevant certifications (e.g., MCSE, AWS Certified SysOps Administrator) are a plus

Benefits

The company offers a range of employee benefits including:

Cashless medical insurance for employees, spouse, and children

Accidental insurance coverage

Life insurance coverage

Company-paid lunch

Company-paid transportation

Access to online learning platforms such as Udemy and LinkedIn Learning

Retirement benefits including Provident Fund (PF) and Gratuity

Sodexo benefits for income tax savings

Paternity & Maternity Leave Benefit

National Pension Saving

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Sr. System Administrator (Infrastructure & Network)