1,021 Network Maintenance jobs in Singapore

• Perform preventive and corrective maintenance on RAN equipment to ensure optimal performance.
• Diagnose and resolve mobile network faults and service issues in a timely manner.
• Implement software updates, hardware upgrades, and patches on RAN components.
• Conduct RF testing, troubleshooting, and optimization for 4G outdoor and 5G in-building networks.
• Utilize RF tools (e.g., spectrum analyzer) to analyze coverage, capacity, and interference issues.
• Monitor network alarms and system performance through SYSCON operations.
• Liaise with customers, maintenance agencies, and building owners on network issues and resolutions.
• Support project teams in achieving project milestones and coordinating with subcontractors.
• Prepare and maintain technical documentation, reports, and network performance records.
• Perform site visits, including offshore locations, requiring standby duty, shift work, vessel travel, and ladder access.

• ITE, Diploma, or equivalent qualification in Engineering or related field.
• Minimum 3 years of field operations experience, with at least 1 year in the mobile network industry.
• Hands-on experience in commissioning and maintaining BTS equipment.
• Strong knowledge of RAN and RF testing principles.
• Experience with troubleshooting tools such as spectrum analyzers.
• Familiarity with Network Operations Centre (NOC) procedures is an advantage.
• Possess a valid Class 3 driving license (ability to operate company van).
• Willing to travel to offshore sites (including Jacob ladder access).
• Strong communication, reporting, and customer service skills.
• Self-motivated team player with a positive attitude and ability to work under pressure.

To Apply, please kindly email your updated resume to

Regret to inform that only shortlisted candidates will be notified.

CEI: R

EA License: 14C7275

Overview
NCS is a leading technology services firm that operates across the Asia Pacific region in over 20 cities, providing consulting, digital services, technology solutions, and more. We believe in harnessing the power of technology to achieve extraordinary things, creating lasting value and impact for our communities, partners, and people. Our diverse workforce of 13,000 has delivered large-scale, mission-critical, and multi-platform projects for governments and enterprises in Singapore and the APAC region.
Responsibilities
Perform RAN Preventive / Corrective maintenance work:
Managing the daily operations and upkeep of RAN equipment.
Diagnosing and resolving network issues to maintain performance.
Implementing updates and upgrades for RAN components.
Monitoring and enhancing the RAN's efficiency and effectiveness.
Perform RF Testing & Troubleshooting:
Perform RF testing and optimization for Outdoor 4G and in-building projects, with future 5G plans.
Troubleshoot, design and plan RF network coverage using RF test tools (e.g., Spectrum Analyzer).
Perform SYSCON operations:
Monitor and identify network failures, execute corrective actions, report and update customers, liaise with maintenance agencies and building owners, and assist in log retrieval.
Service new UEs, update software, confirm failures, assist in tracking and remote wipe of lost UEs.
Provide software support, basic troubleshooting, and escalate to application vendors when necessary.
General
Support Project Team to meet project delivery milestones.
Work with sub-contractors to ensure work quality & timely delivery.
Prepare technical documentation and reports.
Able to travel out at sea along Singapore offshore.
Able to perform standby duty and shift work.
Able to climb Jacob Ladders.
Qualifications
Positive work attitude and self-motivated, with a customer-first mindset.
Good communication skills.
Strong team player to work in a dynamic, fast-paced environment.
Possess 3 years of working experience in out-field operations, with at least 1 year relevant experience in the mobile network industry.
Possess experience in commissioning / maintaining BTS equipment.
Possess Class 3 driving license.
Good to have
Experience in RF Testing for indoor or outdoor environments is an advantage.
Experience working in a Network Operation Centre (NOC).
We are driven by our AEIOU beliefs—Adventure, Excellence, Integrity, Ownership, and Unity—and we seek individuals who embody these values in both their professional and personal lives. We are committed to our Impact: Valuing our clients, Growing our people, and Creating our future.
Together, we make the extraordinary happen.
Learn more about us at ncs.co and visit our LinkedIn career site.
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Job Duties:

• Perform preventive and corrective maintenance on RAN equipment to ensure optimal performance.
• Diagnose and resolve mobile network faults and service issues in a timely manner.
• Implement software updates, hardware upgrades, and patches on RAN components.
• Conduct RF testing, troubleshooting, and optimization for 4G outdoor and 5G in-building networks.
• Utilize RF tools (e.g., spectrum analyzer) to analyze coverage, capacity, and interference issues.
• Monitor network alarms and system performance through SYSCON operations.
• Liaise with customers, maintenance agencies, and building owners on network issues and resolutions.
• Support project teams in achieving project milestones and coordinating with subcontractors.
• Prepare and maintain technical documentation, reports, and network performance records.
• Perform site visits, including offshore locations, requiring standby duty, shift work, vessel travel, and ladder access.

Job Requirements:

• ITE, Diploma, or equivalent qualification in Engineering or related field.
• Minimum 3 years of field operations experience, with at least 1 year in the mobile network industry.
• Hands-on experience in commissioning and maintaining BTS equipment.
• Strong knowledge of RAN and RF testing principles.
• Experience with troubleshooting tools such as spectrum analyzers.
• Familiarity with Network Operations Centre (NOC) procedures is an advantage.
• Possess a valid Class 3 driving license (ability to operate company van).
• Willing to travel to offshore sites (including Jacob ladder access).
• Strong communication, reporting, and customer service skills.
• Self-motivated team player with a positive attitude and ability to work under pressure.

To Apply, please kindly email your updated resume to

Regret to inform that only shortlisted candidates will be notified.

CEI: R

EA License: 14C7275

Job Responsibilities:
Augment the client's System Management Office reporting to the client's System Managers and collaborating with End Users to provide oversight on the operations and maintenance activities for data network systems.
Responsibilities include but not limited to Incident and Problem Management, Change Management, Obsolescence and Vulnerabilities Management, Risk Management, Governance and Compliance Management, Quality Management and Service Improvement.
Manage Vendor's O&S team in conducting fault analysis, problem resolution, preventive maintenance, obsolescence management, change management and vulnerabilities tracking, patch management, etc.
Engage End Users for first level investigation and troubleshooting of network faults/issues, scheduling of onsite activities, and ensure respective Vendors are triggered to address incidents in a timely manner and perform onsite activities to expectations.
Review vendor's monthly O&S reports and provide summary reports to System Managers and Ops Managers on the system health, fault records, service reports, change request status, vulnerabilities updates, EOL status, over-and-above items, etc.
Review Vendor's service requests and deliverables for operational and preventive maintenance activities
Job Requirements:
Experience in the areas of core network support and maintenance, risk assessment, change requests, tech refresh, vulnerabilities assessment, patching, etc.
Presentss valid certification in CCNA or equivalent.
Working knowledge of networking, network equipment and related systems where hands-on experience with firewall, switches, routers, DNS, DHCP, NTP configuration, TCP/IP networking, etc. will be advantageous.
Ability to lead and collaborate with vendors to manage SLA, plan and coordinate onsite activities, produce quality reports, value-add to deliverables and ensure compliance to policies and guidelines.
Strong in written and verbal communications. Proven track record in stakeholder management with the ability to manage expectations, articulate and address concerns and communicate effectively with System Managers, End Users and Vendors.
Prior working experience in defence organisations or government ministries requiring security clearance is highly preferred.
Resourceful and proactive, able to work independently and as a team player
Work location: Depot Road
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Augment the client's System Management Office reporting to the client's System Managers and collaborating with End Users to provide oversight on the operations and maintenance activities for data network systems.
Job Requirements:
Responsibilities
Augment the client’s System Management Office reporting to System Managers and collaborating with End Users to provide oversight on the operations and maintenance activities for data network systems.
Responsibilities include, but not limited to Incident and Problem Management, Change Management, Obsolescence and Vulnerabilities Management, Risk Management, Governance and Compliance Management, Quality Management and Service Improvement.
Manage Vendor’s O&S team in conducting fault analysis, problem resolution, preventive maintenance, obsolescence management, change management and vulnerabilities tracking, patch management, etc.
Engage End Users for first level investigation and troubleshooting of network faults/issues, scheduling of onsite activities, and ensure respective Vendors are triggered to address incidents in a timely manner and perform onsite activities to expectations.
Review vendor’s monthly O&S reports and provide summary reports to System Managers and Ops Managers on system health, fault records, service reports, change request status, vulnerabilities updates, EOL status, and other relevant items.
Review Vendor’s service requests and deliverables for operational and preventive maintenance activities.
Qualifications
Experience in core network support and maintenance, risk assessment, change requests, tech refresh, vulnerabilities assessment, patching, etc.
Possesses valid certification in CCNA or equivalent.
Working knowledge of networking, network equipment and related systems with hands-on experience with firewalls, switches, routers, DNS, DHCP, NTP configuration, TCP/IP networking, etc. is advantageous.
Ability to lead and collaborate with vendors to manage SLA, plan and coordinate onsite activities, produce quality reports, add value to deliverables and ensure compliance with policies and guidelines.
Strong in written and verbal communications. Proven track record in stakeholder management with the ability to manage expectations, articulate and address concerns and communicate effectively with System Managers, End Users and Vendors.
Prior working experience in defence organisations or government ministries requiring security clearance is highly preferred.
Resourceful and proactive, able to work independently and as a team player.
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Senior / Executive , Building, Facilities & Permanent Way Asset Management
Job Purpose
The jobholder is the Subject Matter Expert for Network System Maintenance (NSM) on scope related to asset management which covers business processes & life cycle management. These critical business processes include budget, contracting, condition monitoring, predictive maintenance, ensure compliance of appropriate inspection, maintenance activity, or repair to deliver performance, mean-time-between-failures (MTBF), mean-time-to-repair (MTTR), and cost control. She/he shall be responsible to Manager, System Management (NSM) on:
Implement the concepts, plans and processes to effectively maintain, operate, and sustain NSM Systems operated by the SMRT TRAINS.
Participate in the system-level integration of new capabilities on all Transport & Trainer platform types operated by the SMRT TRAINS.
Implement the development of robust and effective maintenance concepts for all NSM Systems operated by the SMRT TRAINS.
Assist the Manager, System Management for all life cycle support to ensure the maintenance or repairs are performed on equipment when needed and before degradation occurs, supply chain management and system management of NSM Systems operated by the SMRT TRAINS.
Implement the long-term strategies (beyond 5 years) as directed by the Manager, System Management for the development of NSM Systems through relationship management with SMRT stakeholders, Authority, and external industries/suppliers.
Responsibilities
The jobholder is the Executive Engineer/Senior Engineer, Network System Maintenance (NSM) Asset Management. She/he is accountable to Manager, Network System Maintenance (NSM) Asset Management for holistic system management of NSM system in the SMRT TRAINS from acquisition-to-retirement. Her/his roles and responsibilities shall include but not limited to the following areas:
Integrated Induction & Retirement Programs. As retirement programs often take place alongside another new system's induction, the jobholder is required to work with the Project Team in ensuring seamless renewal through tightly integrated induction and retirement plans. The jobholder will support the BUs on Project Justification Papers (PJP) and Master Replacement Program (MRP) requirements. The jobholder will strategize and drive the development of the Integrated Product Support Plan with the Project Team.
Supply Chain Management. The jobholder is responsible for the overall fleet sustainability of NSM system in the SMRT TRAINS. In this regard, the jobholder is expected to analyse the resources and propose ways to optimize the fleet availability by maintaining a holistic overview of the supply chain requirement. In addition, as the fleet ages, the jobholder will also work with the SMRT BUs to develop obsolescence management strategies to ensure sustainable support for the intended service life.
Contract Negotiation & Management. As the Senior Engineer/Engineer for NSM System in the SMRT TRAINS, the jobholder is expected to assist Manager, System Management in major contract negotiations for outsourcing, repair, and logistics support. In this regard, the jobholder is expected to possess expertise and experience in understanding the principles behind various contracting mechanisms such as Performance-Based Contracting (PBC) also known as Long-Term Service Support (LTSS) and Framework Agreements. To effectively strategies and negotiate best value for the SMRT TRAINS, the jobholder must also possess strong inter-personal skills to influence and shape collaborative relationships with the Original Equipment Manufacturers (OEMs).
Outsourcing Programs. The jobholder will perform and analyses the cost-effective options to support the management and support of the NSM system in the SMRT TRAINS. Where feasible and cost-effective to do so, the jobholder will shape and oversee the holistic development and transition of outsourcing programs. The jobholder is expected to advise Maintenance Management Requirement Committee (MMRC) on the sustainability of contracted capabilities through effective and robust contractual arrangements. Over the longer term, she/he is expected to work with SMRT Business Units (BUs) and shape the outsourcing strategies.
Budget Control. The jobholder monitors and analyses to support management and NSM system in SMRT Trains regarding budgeting policies and procedures and efficient control and utilization of financial resources.
Qualifications & Work Experience
Requires Bachelor of Science or Bachelor of Engineering degree with 5 - 8 years of prior relevant experience in maintenance environment.
Skills
Proficient in Microsoft Office.
Business Management skills
Strong communication and presentation skills, able to effectively collaborate with multiple stakeholders in a matrixed environment.
Familiar with Legal terms.
Capable of professionally manage confidential information.
Must be a team player and self-initiated.
Meticulous and diligent.
SMRT Trains Ltd
was incorporated in 1987 and operates Singapore’s first mass rapid transit system. Today, we manage and operate train services on the North-South Line, East-West Line, the Circle Line, the Thomson-East Coast Line, and the Bukit Panjang Light Rail Transit. With over 5,000 employees, more than 250 trains, and 141 km of rail tracks across 108 stations, we serve millions of commuters daily.
About SMRT Corporation
SMRT Corporation Ltd (SMRT) is a public transport services provider. Our primary business is to manage and operate train services on the North-South Line, the East-West Line, the Circle Line, the new Thomson East-Coast Line and the Bukit Panjang Light Rail Transit. This is complemented by our bus, taxi and private hire vehicle services.
An exciting and rewarding career is waiting for you at SMRT. Join us and embark on a journey that matters. You Matter – we take care of you and your well-being. Your Work Matters – your ideas and contributions work towards building the future of our transport system and create positive impacts to the community. Your Development Matters – we offer diverse careers and learning opportunities for our people to grow you to the fullest of your potential.
Come onboard the SMRT journey today.
Vision
Moving People. Enhancing Lifestyles
Core Values
Respect, Integrity, Safety & Service, Excellence
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• Configure, and manage Cisco Catalyst Switches (IOS), Cisco Nexus Switches (NXOS), and Alcatel Lucent Switches (AOS) to maintain a secure and efficient network infrastructure.
• Implement and maintain Palo Alto and Fortinet Fortigate Firewalls for network security and access control.
• Administer Alcatel Lucent Wireless Controllers to ensure a secure and robust wireless network environment.
• Utilize SolarWinds NPM (Network Performance Monitor) and NCM (Network Configuration Manager) for network monitoring and configuration management.
• Manage and maintain ClearPass Policy Manager for network access control and policy enforcement.

Requirements:

• Bachelor's degree in Computer Science, Information Technology, or related field.
• 3+ years of experience in network security engineering.
• Proficiency in Cisco Catalyst Switches (IOS), Cisco Nexus Switches (NXOS), and Alcatel Lucent Switches (AOS).
• Experience in configuring and managing Palo Alto and Fortinet Fortigate Firewalls.
• Handson experience with Alcatel Lucent Wireless Controllers.
• Familiarity with SolarWinds NPM / NCM for network monitoring and configuration management.
• Proficient in ClearPass Policy Manager for network access control and policy enforcement.
• Knowledge of network protocols, security architectures, and best practices.
• Strong analytical and problemsolving skills with attention to detail.
• Excellent communication and teamwork abilities.
• Experience with other firewall solutions beyond Palo Alto and Fortinet, such as Check Point or Cisco ASA. Proficiency in network encryption protocols and VPN technologies.
• Understanding of network segmentation and micro-segmentation principles.
• Knowledge of intrusion detection/prevention systems (IDS/IPS).

We're hiring a Technical Presales Consultant / Network Security Engineer for a top-tier global cybersecurity company. In this role, you'll act as a key technical advisor during the sales process, supporting customers and internal teams with in-depth knowledge of network security solutions—including Juniper technologies. You'll lead technical discussions, run Proof-of-Concepts, and play an integral role in shaping secure, scalable network solutions.

Job Location: Singapore

POSITION DESCRIPTION

The Technical Presales Consultant is responsible for:

• Work closely with the sales and product teams

• Conduct Proof-Of-Concept (POC) and prepare technical proposals

• Conduct solution presentation and workshops

• Provide pre and post-sales support

• Propose and explore new and upcoming technologies in the market

• Perform any other duties as assigned

POSITION REQUIREMENTS

Skills and Experience:

• Diploma or degree in Information Technology, Computer Science, or a related field

• Minimum of 5 years of experience in the IT security sector, with a strong technical background in network engineering and firewall implementation/management
• Proficiency in Juniper security technologies (e.g., SRX firewalls, JunOS, Juniper Security Director ), including configuration, troubleshooting, and optimization
• Familiarity with other security technologies, including firewalls, IDS/IPS
• Solid understanding of networking protocols (TCP/IP, DNS, DHCP) and core principles of network security
• Experience with network monitoring and analysis tools
• Strong knowledge of Security Design Architecture, OSI model, TCP/IP model, and related protocols
• Relevant certifications (e.g., JNCIS-SEC , CCNP Security, CISSP, CISM) are advantageous
• Excellent problem-solving skills and keen attention to detail
• Strong communication skills and a collaborative team-oriented mindset

If this opportunity aligns with your skills and career goals, we encourage you to apply.

EA License: 21C0783

EAP Registration No: R

RESPONSIBILITIES

•Track and analyze various security issues, supporting daily security work.

•Resolve technical issues in the network environment.

•Conduct security risk assessments and provide technical support for projects.

•Participate in emergency response, handling, and tracing of various security incidents.

•Participate in the network security responsibility assessment and related matters.

JOB REQUIREMENTS

•Bachelor's degree in Computer Science, Cybersecurity, or related field.

•Strong knowledge of network security protocols, firewalls, VPNs, IDS/IPS, etc.

•Experience in vulnerability management and penetration testing.

•Hands-on experience with security tools such as Wireshark, Metasploit, etc.

•Familiarity with security compliance frameworks (ISO 27001, SOC 2, etc.).

•Experience with cloud security (AWS, GCP, Azure).

•Strong analytical skills and the ability to act quickly during security incidents.

•Excellent communication skills for reporting and training purposes.