4,750 Technology Professionals jobs in Singapore

Key Responsibilities

• The candidate will work in an international team and perform 2nd level support To perform troubleshooting support for problems related to network infrastructure (LAN/WAN/WIFI ), Firewalls and Web Access Security Gateways.
• Service and support of architectures & network infrastructure (LAN/WAN/WIFI), Routers, Firewalls, Web Access Security Gateways, servers, security controls, and ensuring implementation are in accordance with the agreed design.
• Monitor all systems and ensure all IT services are meeting service level agreement and issues are being resolved in a timely manner.
• Able to manage internal and external resources together with the IT colleagues on site when delivering any projects or tasks and ensure all deliverables are on time and on budget.
• Will work on projects regarding SD-WAN and our global network redesign with HPE Aruba devices.
• Will administrate security tools like Firewalls, zScaler Internet Access, HPE Aruba Clearpass NAC and VPN connections.
• Review all technical support related processes and documentation for continuous improvement.
• Will work on projects led by Germany HQ and will also do Network Support for Asia and other regions
• Maintenance and operations of network equipment in server rooms.

Requirements

• Degree in Computer Science / Telecommunications / Information Technology or any relevant.
• Relevant IT experience (e.g. Network administration, Firewall administration, Router administration, Proxy administration)
• At least 3-5 years' experience in an IT System/Network Admin role.
• Excellent troubleshooting, problem-solving and analytical skills.
• Experienced and knowledge in Windows and Linux, Cisco routers, LAN, WAN, SD-WAN, , Wireless, Switches, VPN, DNS, DHCP.
• Knowledge with HPE Aruba Clearpass and Central, zScaler or Checkpoint will be an added advantage.
• Professional certification in LAN, WAN or Firewall topics will be an added advantage.
• Travelling may be required.

The Network Administrator will support IT infrastructure availability, performance and stability. Responsibilities include configuration and implementation of infrastructure services including but not limited to data center network, campus networking, WAN connectivity, LANs, WLANs, and required operational security. The Network Administrator will be a member of a team of system administrators and engineers to provide support to the business.

Job Responsibilities:

• Provide support for current and future enterprise systems
• Works with the Service Desk team as the initial point of escalation to efficiently resolve incidents, identify and escalate problems and consistently maintain departmental SLAs within acceptable levels
• Follow Company IT security policies, procedures, best practices and established standards
• Assist with the optimization of IT infrastructure implementations, forecasting and maintenance
• Provide management with ways to improve administration, monitoring, reporting and standard operating procedures
• Maintain network hardware based on the IT initiatives and required upgrade projects within the organization
• Install and test wired and wireless network infrastructure
• Troubleshoot network systems including any reported routing or switching problems and recommend improvements
• Maintain router and switch configurations
• Provide network monitoring services utilizing various network management tools
• Adhere to Company's IT change control (enablement) process
• Help develop documentation and diagrams for all network projects that will be used for disaster recovery readiness on an ongoing basis
• Update current infrastructure equipment to current IOS levels and required Enterprise functionalities
• Perform router and switch upgrades within the enterprise
• Help ensure accuracy of the information in DNS and IP databases

Job Requirements:

• Degree in Computer Science/Information Technology or relevant work experience
• Minimum one year relevant experience working in a large Enterprise Network environment including a multi-protocol network
• Basic understanding of ITSM Principles or ITIL4 Foundations certification
• Must have proficient knowledge of operating systems, network systems and IT architecture
• Experience Active Directory Group Policy, Windows Administration
• WAN/LAN concepts and technologies
• DNS, IPAM, NTP administration
• Firewall concepts and technologies
• Experience with VMWare, vSphere environments
• Excellent interpersonal communication skills

Network Administrator

Our Esteemed and Reputable Client is looking for a Network Administrator to support and enhance their cloud and network infrastructure.

Responsibilities:

• Work closely with infrastructure, security, and cloud teams to ensure secure connectivity.
• Monitoring and configuring networking components like VPC, Security Groups, Route Tables.
• Manage and maintain Firewalls and VPN.
• Responding to network-related incidents and service requests.
• Document all configurations, procedures and changes.

Requirements:

• Familiarity with AWS networking services, ITIL processes (Incident, Change, Problem Management) and AWS Cloud platform.
• Team Player, excellent in documentation documentation, and communication skills.
  Certification in ITIL, AWS/Microsoft AZURE/Google cloud and Network preferred.

We respect your privacy and all communication will be treated with confidentiality.

Applicants who are not shortlisted may be considered for other similar positions.

If you have meet the job requirements that we are looking for or wish to find out more on this role, please contact us or apply in-confidence to us with you updated MS Word Resume to :

Kelvin (Reg. No. R

STAR CAREER CONSULTING PTE LTD (EA License: 20C0353)

The Network Adminsitrator will support IT infrastructure availability, performance and stability. Responsibilities include configuration and implementation of infrastructure services including but not limited to data center network, campus networking, WAN connectivity, LANs, WLANs, and required operational security. The Network Administrator will be a member of a team of system administrators and engineers to provide support to the business.

Job Responsibilities:

• Provide support for current and future enterprise systems
• Works with the Service Desk team as the initial point of escalation to efficiently resolve incidents, identify and escalate problems and consistently maintain departmental SLAs within acceptable levels
• Follow Company IT security policies, procedures, best practices and established standards
• Assist with the optimisation of IT infrastructure implementations, forecasting and maintenance
• Provide management with ways to improve administration, monitoring, reporting and standard operating procedures
• Maintain network hardware based on the IT initiatives and required upgrade projects within the organisation
• Install and test wired and wireless network infrastructure
• Troubleshoot network systems including any reported routing or switching problems and recommend improvements
• Maintain router and switch configurations
• Provide network monitoring services utilizing various network management tools
• Adhere to Company's IT change control (enablement) process
• Help develop documentation and diagrams for all network projects that will be used for disaster recovery readiness on an ongoing basis
• Update current infrastructure equipment to current IOS levels and required Enterprise functionalities
• Perform router and switch upgrades within the enterprise
• Help ensure accuracy of the information in DNS and IP databases

Job Requirements:

• Degree in Computer Science/Information Technology or relevant work experience
• Minimum one year relevant experience working in a large Enterprise Network environment including a multi-protocol network
• Basic understanding of ITSM Principles or ITIL4 Foundations certification
• Must have proficient knowledge of operating systems, network systems and IT architecture
• Experience Active Directory Group Policy, Windows Administration
• WAN/LAN concepts and technologies
• DNS, IPAM, NTP administration
• Firewall concepts and technologies
• Experience with VMWare, vSphere environments
• Excellent interpersonal communication skills

Job Description & Requirements

• 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

• Proven experience in a network administrator role
• Hands on experience in networking, routing and switching
• Excellent knowledge of best practices around management, control, and monitoring of server infrastructure
• Experience with firewalls, Internet VPN's remote implementation, troubleshooting, and problem resolution is desired
• Ability to set up and configure server hardware
• Familiarity with backup and recovery software and methodologies
• Great at organising, prioritising and multitasking
• Juniper, Cisco, CWNA or BCNE training
• degree in Computer Science or related field

Job Description & Requirements

Network Design and Implementation:

• Design, configure, and deploy network solutions based on business requirements.
• Collaborate with cross-functional teams to ensure smooth implementation.
• Network Security:
• Monitor network traffic for security threats and vulnerabilities.
• Implement and maintain firewalls, intrusion detection systems, and access controls.
• Troubleshooting and Maintenance:
• Diagnose and resolve network issues promptly.
• Perform routine maintenance tasks, including updates and patches.
• Documentation and Reporting:
• Maintain accurate network documentation, diagrams, and inventory.
• Generate regular reports on network performance and incidents.
• User Support:
• Assist end-users with network-related inquiries and connectivity problems.
• Provide training on network best practices.

Qualifications:

• Bachelor's degree in Computer Science, Information Technology, or related field.
• Minimum of 2 years of experience in network administration.
• Proficiency in networking equipment.
• Knowledge of routing, switching, and subnetting.
• Experience with managing Microsoft 365
• Experience with Windows Servers preferred
  Experience with AWS preferred

"Excited about this role? Take the next step by completing the self-assessment

We regret that only shortlisted candidates will be notified.

Overview
Network Administrator
Our Esteemed and Reputable Client is looking for a Network Administrator to support and enhance their cloud and network infrastructure.
Responsibilities
Work closely with infrastructure, security, and cloud teams to ensure secure connectivity.
Monitoring and configuring networking components like VPC, Security Groups, Route Tables.
Manage and maintain Firewalls and VPN.
Responding to network-related incidents and service requests.
Document all configurations, procedures and changes.
Requirements
Familiarity with AWS networking services, ITIL processes (Incident, Change, Problem Management) and AWS Cloud platform.
Team Player, excellent in documentation documentation, and communication skills.
Certification in ITIL, AWS/Microsoft AZURE/Google cloud and Network preferred.
We respect your privacy and all communication will be treated with confidentiality.
Applicants who are not shortlisted may be considered for other similar positions.
If you have meet the job requirements that we are looking for or wish to find out more on this role, please contact us or apply in-confidence to us with you updated MS Word Resume to :
Kelvin (Reg. No. R )
STAR CAREER CONSULTING PTE LTD (EA License: 20C0353)
#J-18808-Ljbffr

Network Administrator

Our Esteemed and Reputable Client is looking for a Network Administrator to support and enhance their cloud and network infrastructure.

Responsibilities:

• Work closely with infrastructure, security, and cloud teams to ensure secure connectivity.
• Monitoring and configuring networking components like VPC, Security Groups, Route Tables.
• Manage and maintain Firewalls and VPN.
• Responding to network-related incidents and service requests.
• Document all configurations, procedures and changes.

Requirements:

• Familiarity with AWS networking services, ITIL processes (Incident, Change, Problem Management) and AWS Cloud platform.
• Team Player, excellent in documentation documentation, and communication skills.
• Certification in ITIL, AWS/Microsoft AZURE/Google cloud and Network preferred.

We respect your privacy and all communication will be treated with confidentiality.

Applicants who are not shortlisted may be considered for other similar positions.

If you have meet the job requirements that we are looking for or wish to find out more on this role, please contact us or apply in-confidence to us with you updated MS Word Resume to :

Kelvin (Reg. No. R )

STAR CAREER CONSULTING PTE LTD (EA License: 20C0353)

Overview
Do you aspire for a rewarding career that lets you do more and achieve more? Unleash your full potential at work with TDCX, an award-winning and fast-growing BPO company.
Work with the world’s most loved brands and be with awesome, diverse people. Be home, belong, and start your journey to #BeMore!
Benefits
Attractive remuneration, great perks, and performance incentives
Comprehensive medical, insurance, or social security coverage
World-class workspaces
Engaging activities and recognition programs
Strong learning and development plans for your career growth
Positive culture for you to #BeMore at work
Easy to locate area with direct access to public transport
Flexible working arrangements
Be coached and mentored by experts in your field
Join a global company, winner of hundreds of industry awards
What is your mission?
Lead the administration, maintenance, and optimization of the company’s network infrastructure (LAN, WAN, WLAN, Firewalls, VPN, Load Balancers).
Oversee daily operations, ensuring network availability, stability, and security across multiple sites.
Proactively monitor and analyze network performance, identifying and resolving complex issues.
Perform advanced troubleshooting and escalation support for incidents that cannot be resolved by junior administrators.
Plan and execute network upgrades, configuration changes, and security enhancements in coordination with the IT Infrastructure and Security teams.
Develop and enforce network policies, standards, and procedures to ensure compliance with IT governance and security frameworks (ISO 27001, SOC 2, etc.).
Maintain accurate network documentation including topology diagrams, configuration baselines, and access control records.
Mentor and provide technical guidance to junior network and IT staff.
Work closely with vendors and service providers for advanced support and project delivery.
Who are we looking for?
Bachelor’s degree in Computer Engineering, Computer Science, Information Technology, or related field.
5+ years of experience in network administration or a related IT infrastructure role, with at least 2 years in a senior or lead capacity.
Strong expertise in networking technologies including TCP/IP, Routing , Switching, VLANs, VPN, Wireless, and QoS.
Hands-on experience with enterprise-grade network devices such as Cisco, Fortinet, Palo Alto, FirePower, ForcePoint, or equivalent.
Solid understanding of network security principles, firewall management, IDS/IPS, and access control.
Proficiency with monitoring and diagnostic tools (e.g., SolarWinds, PRTG, Nagios, Wireshark).
Certifications such as CCNA, CCNP, Fortinet NSE, Palo Alto PCNSE, or CompTIA Security+ are highly desirable.
Strong leadership, problem-solving, and communication skills with the ability to work across teams and present to management.
Experience in multi-site enterprise or data center environments is a plus.
Who is TDCX?
Singapore-based TDCX is a global business process outsourcing (BPO) leader, offering advanced customer experience (CX) solutions, sales and digital marketing services, and content moderation. It caters to industries such as digital advertising, social media, e-commerce, fintech, gaming, healthtech, media, technology, and travel & hospitality.
TDCX’s smart, scalable approach—driven by innovation and operational precision—positions it as a key partner for companies targeting tangible outcomes. With more than 20,000 employees across 39 locations worldwide, TDCX delivers robust coverage across Asia, Europe, and the U.S.
Visit for more info.
Job Segment:
Network Administrator, BPO, Network, Computer Science, Network Security, Technology, Operations, Security
#J-18808-Ljbffr