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
· Network availability and service stability
· Incident SLA compliance
· Mean time to acknowledge and resolve incidents
· Percentage of incidents resolved at L2 · Recurring-incident reduction
· Change implementation success rate
· Network configuration backup compliance
· Preventive-maintenance completion
· Security vulnerability remediation compliance
· Accuracy and completeness of operational documentation
· Timeliness and quality of problem analysis and RCA support
· Stakeholder and customer satisfaction
Application Deadline: 30-October-2026
Privacy Note:
