Network Administrator

Tata Consultancy Services

Muscat

On-site

OMR 89,000 - 134,000

Full time

12 days ago

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Job summary

Tata Consultancy Services (TCS) (MEA) Oman is seeking an experienced Network Administrator to manage enterprise network infrastructure, security and operations.

The role covers monitoring, configuring and maintaining routers, switches, firewalls, and related systems, plus incident handling and capacity planning in a dynamic IT environment.

Qualifications

Minimum 5+ years of experience in a Network administrator or related role.
Minimum 2+ years of experience with Network Security.
Experience with Cyber Security threat detection & prevention, Firewall Configuration, Switch/Router Configuration.
Strong understanding of networking concepts and protocols; Linux/Unix operating systems.
Comprehensive understanding of servers, firewalls, switches, routers, and other network hardware and software.
Strong diagnostic and problem-solving abilities for addressing network problems.
Proficiency in using network monitoring tools to track performance bottlenecks.
Expertise in setting up network gear and software to satisfy organizational requirements.

Responsibilities

Monitor E2E network availability, utilization, throughput, latency, connectivity and overall performance.
Identify performance bottlenecks, capacity constraints and potential network failures; report to management.
Ensure monitoring of network infrastructure using diagnostic tools and propose optimizations.
Conduct network capacity planning to support current and future business requirements.
Provide second-level technical support for network incidents and service requests.
Diagnose and resolve connectivity, performance, configuration and security issues.
Troubleshoot routers, switches, firewalls, cabling, servers and connected devices.
Document troubleshooting activities and resolutions; escalate complex issues when needed.

Skills

Networking concepts

Linux/Unix

Troubleshooting

Network monitoring

Security concepts

Vendor coordination

Job description

Job Title – Network Administrator

Company – TCS (MEA)

Location – Oman

Job type – Full time

About Us:

Tata Consultancy Services (TCS) is an IT services, consulting and business solutions organization that has been partnering with many of the world’s largest businesses in their transformation journeys for over 50 years. TCS offers a consulting-led, cognitive powered, integrated portfolio of business, technology and engineering services and solutions. This is delivered through its unique Location Independent Agile delivery model, recognized as a benchmark of excellence in software development.

A part of the Tata group, India's largest multinational business group, TCS has over 616,171 of the world’s best-trained consultants with 157 nationalities in 53 countries. For more information, visit www.tcs.com and follow TCS news at @TCS_News.

Job Description:

Must-Have**

Minimum 5+ years of experience in a Network administrator or related role
Minimum 2+ years of experience with Network Security
Experience with Cyber Security threat detection & prevention, Firewall Configuration, Switch/Router Configuration
Strong understanding of networking concepts and protocols · Experience with Linux/Unix operating systems
Comprehensive understanding of servers, firewalls, switches, routers, and other network hardware and software.
Strong diagnostic and problem-solving abilities for swiftly and efficiently addressing network problems.
Proficiency in using network monitoring tools to track and pinpoint performance bottlenecks. · Expertise in setting up network gear and software to satisfy organizational requirements.

Good-to-Have

Fully support, configure, maintain and upgrade corporate customer’s networks and in house servers
Install and integrate new server hardware and applications
Keep an eye out for needed updates
Support and administer third-party applications
Ensure network security and connectivity · Monitor network performance (availability, utilization, throughput, goodput, and latency) and test for weaknesses
Set up user accounts, permissions and passwords
Resolve problems reported by end user
Define network policies and procedures · Specify system requirements and design solutions
Research and make recommendations on server system administration
A readiness to keep abreast of emerging technologies and market trends.
Capacity to pick up new skills and adjust swiftly to new tools, processes, and technology.
Proven track record in creating and overseeing financial plans for network projects and equipment
Capacity to collaborate with suppliers on purchasing, upkeep, and supporting equipment.

Responsibility of / Expectations from the Role

Network Operations and Monitoring

Monitor E2E network availability, utilization, throughput, latency, connectivity, and overall performance.
Identify performance bottlenecks, capacity constraints, and potential network failures proactively and report to management
Ensure Monitoring network infrastructure using appropriate network monitoring and diagnostic tools, highlight the gaps to management & recommend optimization
Conduct network capacity planning to support current and future business requirements.

Incident Management and L2 Technical Support

Provide second-level technical support for network incidents and service requests escalated by L1 or end users.
Diagnose and resolve network connectivity, performance, configuration, and security issues.
Troubleshoot problems involving routers, switches, firewalls, network cabling, servers, and connected devices.
Restore affected network services within agreed operational and service-level targets.
Document troubleshooting activities, findings, resolutions, and implemented workarounds.
Escalate unresolved or complex technical issues to L3 support, vendors, or service providers with complete diagnostic details.
Support recurring-incident analysis and problem-management activities

Network Configuration and Administration

Configure, maintain, support, and upgrade enterprise network infrastructure.
Install and integrate new network hardware, server hardware, software, and applications.
Administer routers, switches, firewalls, network operating systems, and related infrastructure components.
Configure and maintain network-connected hardware, software, peripheral devices, and supporting equipment.
Maintain network configurations in line with approved architecture, security, and operational standards.
Support the administration of multi-user software and network services accessed through servers. · Keep network devices and associated systems updated with approved patches and upgrades

Network Security

Maintain network security and secure connectivity across the enterprise environment.
Configure and administer firewall, antivirus, intrusion-detection, and other network security solutions.
Monitor network infrastructure for security weaknesses, unauthorized access, and potential cyber threats.
Support cybersecurity threat detection, prevention, investigation, and remediation activities.
Implement appropriate access controls and network-security configurations.
Perform security hardening and support the remediation of identified network vulnerabilities.
Ensure network configurations comply with applicable security policies, standards, and procedures

Change, Upgrade, and Maintenance Support

Implement approved network changes, upgrades, and configuration modifications.
Prepare implementation steps, validation checks, and rollback requirements for network changes. · Perform post-implementation testing to confirm network availability and service stability.
Support network equipment replacement, technology refresh, and infrastructure enhancement activities.
Conduct scheduled preventive maintenance and routine health checks.
Identify required updates and coordinate their implementation through the established change-management process

Backup, Recovery, and Service Continuity

Maintain secure backup copies of relevant network and system configuration files.
Verify that backups are completed and stored appropriately.
Support network restoration and recovery activities following service disruption or equipment failure.
Maintain documented recovery procedures for critical network components.
Participate in recovery validation and service continuity exercises, where required

Network Design and Capacity Planning

Perform network design and capacity-planning activities.
Assess system and network requirements and recommend appropriate technical solutions.
Research network technologies, products, services, protocols, and standards.
Provide recommendations for network procurement, enhancement, and development initiatives.
Contribute technical inputs to network architecture, infrastructure expansion, and modernization plans

Vendor and Stakeholder Coordination

Coordinate with equipment vendors, service providers, and internal technical teams for troubleshooting and maintenance support.
Work with suppliers on the procurement, maintenance, and support of network equipment.
Provide technical information and diagnostic evidence required for vendor escalation.
Track vendor actions through to resolution and validate service restoration.
Collaborate with relevant infrastructure and application teams to resolve cross-functional incidents

Key Performance Indicators