L2 Network Engineer

2 days ago

Singapore T-Systems Singapore Full time

With around 28,000 employees worldwide and annual revenues of EUR 4.0 billion (2021), T-Systems is one of the leading providers of digital services. The Deutsche Telekom subsidiary is headquartered in Germany and has a presence in Europe as well as in selected core markets and strategic production locations. T-Systems can provide a global production and supply chain to companies operating worldwide.
T-Systems offers integrated end-to-end IT solutions, driving the digital transformation of companies in all industries and the public sector. Focus industries include automotive, manufacturing, logistics and transportation, as well as healthcare and the public sector. T-Systems develops vertical, company-specific software solutions for these sectors.
Core Responsibilities
Aruba Infrastructure: Provide Level 2 support and administration for ArubaOS-CX switches and the Aruba wireless platform. This includes configuring VLANs, managing SSIDs, troubleshooting connectivity issues with access points (APs), and working with centralized management platforms like Aruba Central.
Fortinet Firewalls: Manage and troubleshoot FortiGate firewalls. This involves configuring and auditing firewall policies, NAT rules, and VPNs (IPSec/SSL). The engineer will also monitor security logs and alerts using FortiAnalyzer and respond to security incidents.
SolarWinds Monitoring: Administer and maintain our SolarWinds monitoring platform (NPM, NCM, etc.). This includes configuring devices for monitoring, creating custom alerts and dashboards, analyzing performance data, and generating reports to identify trends and potential issues.
Requirements
Min 5-7 years and deep technical knowledge of Aruba network switches, Aruba wireless infrastructure, and Fortinet firewalls, with a strong focus on using SolarWinds for monitoring and management.
Strong knowledge of networking fundamentals, including TCP/IP, routing protocols (OSPF, BGP), and switching protocols (VLANs, STP).
Proven experience with SolarWinds tools for network performance, configuration, and traffic analysis.
Proficiency in network troubleshooting tools like Wireshark and the command-line interface (CLI) for network devices.
Review node uptime, interface status, and CPU/memory utilization on core switches, firewalls, and key access points.
Check for any unexpected changes in network traffic patterns using SolarWinds NTA (NetFlow Traffic Analyzer).
Investigate and resolve L2 switching issues such as VLAN mismatches, STP loops, port security violations, or link aggregation group (LAG) failures. Use the CLI to check switch configurations and logs.
Troubleshoot wireless client connectivity, roaming issues, and performance problems. This could involve checking signal strength, channel interference, or authentication server (e.g., RADIUS) logs.
Analyze firewall logs and policies to troubleshoot user access issues. Create or modify firewall rules, NAT policies, and security profiles (e.g., web filtering, application control) as needed.
Seniority level
Mid-Senior level
Employment type
Full-time
Job function
Information Technology
Industries
IT Services and IT Consulting
#J-18808-Ljbffr

  • L2 Network Engineer

    1 week ago

    Central Singapore Lenovo Full time $40,000 - $120,000 per year

    General InformationReq #WD Career area:Information TechnologyCountry/Region:SingaporeState:Central SingaporeCity:SINGAPOREDate:Monday, August 18, 2025Working time:Full-timeAdditional Locations:Singapore - Central Singapore - SingaporeSingapore - Central Singapore - SINGAPOREWhy Work at LenovoWe are Lenovo. We do what we say. We own what we do. We WOW our...

  • Network Engineer L2

    3 weeks ago

    Singapore PRIMESTAFF MANAGEMENT SERVICES PTE LTD Full time

    Summary We are seeking an experienced Network Engineer (L2) with strong hands-on expertise in Cisco Application Centric Infrastructure (ACI) and advanced routing/switching. This role involves designing, configuring, and troubleshooting complex data center network environments, while supporting core and access network infrastructure across the organisation....

  • Network Engineer

    6 days ago

    Singapore NETWORK FOR ELECTRONIC TRANSFERS (SINGAPORE) PTE LTD Full time

    **Position Summary** We are looking for a Network Engineer to develop and maintain functional and secure networks. You will mentor a team of engineers to troubleshoot and optimize our networks for supporting various NETS products and services. You should have excellent problem-solving skills and in-depth knowledge of Network administration and architecture...

  • L2 Network Engineer

    2 weeks ago

    Singapore MAESTRO HUMAN RESOURCE PTE. LTD. Full time $90,000 - $120,000 per year

    The L2 Network Engineer responsibilities are to:To provide Data Centre operation supportAnalyse problems, perform troubleshooting, and track problems through resolutionResponsible for monitoring activities, such as network and bandwidth usageWhen necessary, escalate problems to the appropriate stakeholders / principalsEnsure generation and management of...

  • L2 Network Engineer

    2 weeks ago

    Singapore MAESTRO HUMAN RESOURCE PTE. LTD. Full time

    The L2 Network Engineer responsibilities are to: - To provide Data Centre operation support - Analyse problems, perform troubleshooting, and track problems through resolution - Responsible for monitoring activities, such as network and bandwidth usage - When necessary, escalate problems to the appropriate stakeholders / principals - Ensure generation and...

  • Tdi - L2 Network Engineer - Associate

    2 weeks ago

    Singapore Deutsche Bank Full time

    **TDI - L2 Network Engineer - Associate**: **Job ID**:R0352723**Full/Part-Time**:Full-time**Regular/Temporary**:Regular**Listed**:2024-11-15**Location**:Singapore**Position Overview**: **Details of the Division and Team**: - Join a talented and passionate team of solution-oriented Network engineers. - As a Level 2 Network Operations Engineer in Global...

  • Network Engineer L2

    2 days ago

    Singapore PrimeStaff Management Services Full time

    Overview We are seeking an experienced Network Engineer (L2) with strong hands-on expertise in Cisco Application Centric Infrastructure (ACI) and advanced routing/switching. This role involves designing, configuring, and troubleshooting complex data center network environments, while supporting core and access network infrastructure across the organization....

  • L2 Network Engineer

    4 hours ago

    Singapore Hamilton Barnes Associates Limited Full time

    Join a global systems integrator and IT consulting firm with a strong presence across India, the USA, Canada, UK, Singapore, Australia, Greece, and the Philippines. The team is seeking an experienced L2 Network Engineer to join their operations in Singapore, supporting a range of enterprise clients across the region. You’ll work as part of a globally...

  • Network Engineer L2

    2 weeks ago

    Singapore PRIMESTAFF MANAGEMENT SERVICES PTE LTD Full time

    Overview We are looking for a skilled Network Engineer (L2)with strong expertise in Cisco Application Centric Infrastructure (ACI)and advanced routing/switching. The successful candidate will be responsible for designing, configuring, and troubleshooting complex data center network environments, while supporting both core and access network infrastructure....

  • Senior Engineer, L2 Network Operations Center

    1 week ago

    Singapore 1-Net Singapore Pte Ltd Full time $80,000 - $120,000 per year

    COMPANY DESCRIPTION 1-Net manages carrier-neutral Internet Data Centers, along with providing a comprehensive range of integrated services including network connectivity, managed services, work area recovery suite, cloud and media delivery services. 1-Net's Data Center Corridor initiative currently interconnects key data centers in Singapore to facilities...