650 Infrastructure Support jobs in Singapore

This role is responsible for delivering high-quality service operations support to internal and external customers. The successful candidate will work closely with the Service Operations team to ensure timely intervention and high-quality service resolution within defined SLAs.

• Deliver top-tier incident and problem management support to meet customer expectations.
• Maintain and ensure the optimal performance of all systems and products managed by the Service Operations team.
• Coordinate with internal resolver teams, the Service Desk, and customers to resolve issues efficiently.
• Provide proactive issue identification, diagnostics, and ownership of service requests.
• Assist senior team members in daily task coordination, reporting, and operational management.
• Follow installation standards and industry best practices to ensure high-quality service delivery and system operations.
• Perform installations, interventions, and repairs using appropriate tools and equipment.

• Diploma/Bachelor Degree in Computer Science, Electronic Engineering, or equivalent Telecommunications qualification.
• Unix / Linux Certification, VMWare Certification, ITIL Foundation v3 Certification.
• At least 3 years of experience in following technologies: Operating System - RHEL 7/8, RHEL HA, Windows Data center 2016/2019 with clustering.
• Hardware - HP DL360 Gen 9, DELL R430XD, DELL R730XD.
• Virtualization - ESXi, VMWare vsphere 7/8, VMware vCentre, VMware SRM Standard.
• MQ - MQ v8/9, MQ IPT, MQ Clustering, IBM License Manager.
• Web - Apache Web Server, Apache Tomcat Application Server.
• Monitoring tools - NagiosXI, NagiosLog, eG Monitoring suite.
• Firewall - Palo Alto 850, PA-5220, Checkpoint Firewall.
• Load Balancer - F5 BIG-IP LTM i2600.
• Vulnerability Manager - IBM Qradar All-in-one console, Event collector, Waterfall MQ Agent.
• CA Server - Luna HSM, Aruba Clearpass, SafeNet Network HSM, SecurityToken, Nessus Manager, Nessus Security Centre, Mcafee Advanced Security Suite, Mcafee ePolicy Orchestrator.
• Storage - DELL EMC Unity 400, 300.
• Backup - EMC Data Domain with DD Boost & DD Replicator, DELL EMC Networker, Veritas System Recovery.
• Other Technologies - RedHat Satellite/ Spacewalk, DHCP, TFTP, Mail, Squid (WEB Proxy), NFS, Active Directory, DNS, NTP, Yum repo, IPA, SysLog servers.

• Collaborate with a dynamic team to deliver excellent customer service.
• Develop expertise in various technologies and enhance your professional skills.
• Participate in data center failover testing exercises and gain hands-on experience.
• Contribute to the improvement of processes and procedures within the team.

This position requires strong organizational skills, attention to detail, and excellent communication skills. If you are a motivated individual who enjoys working in a fast-paced environment, we encourage you to apply for this exciting opportunity.

Responsibilities:

• Responsible for day-to-day Operations and administration on network & security infrastructure
• Perform Installation, configuration and maintenance of network equipment and network operating System
• Responsible for network design and security particularly trouble shooting and/or debugging network related problems.
• Good Knowledge troubleshooting, problem identification, problem resolution and/or resolution recommendation activities to first- and second-level teams
• Network consulting for new projects
• Schedule repairs to the LAN/WAN and ensure timely user notification of maintenance requirements and effects on system availability
• Troubleshoot networks, system, and applications to identify and correct malfunction; other operational difficulties and provide telephone and internal users.
• Managing Wireless Environment with WLAN Controller
• Work with other contractors where required to delivery required network services
• Perform troubleshooting, rectification, protocol analysing and tracing for any network related issue
• Provide on-site support during network migration activities (i.e, pre/post migration and during migration)
• Work with vendors to optimize networking setups and provide reporting of network status.
• Any other ad-hoc responsibilities as assigned from time to time

Requirements:

• Diploma / Degree in Computer Science / Information Technology or equivalent
• At least 3 years relevant and strong technical experience in IT infrastructure technology areas
• Extensive experience MS Windows Server, Active Directory, DHCP, DNS, Cisco network, VMware etc.
• Strong analytical ability and problem-solving skills, good interpersonal and communication skills both written and verbal across different levels of management and users, customers and vendors.

**Job Title:** Cloud Infrastructure Support Specialist

We are seeking a highly capable individual to join our team as a Cloud Infrastructure Support Specialist. This role is ideal for someone with hands-on experience in Wintel administration and support, along with a strong understanding of cloud computing principles.

The successful candidate will be responsible for maintaining and supporting Windows workloads hosted on AWS, with exposure to Trend Micro Vision One, IAM Analyzer, CIS Hardening, and remediation tasks. They will also manage and support AD, DNS, DHCP, GPO, WSUS, and Windows clustering.

Key Responsibilities:

• Provide L2 operational support for Windows Server 2012/2016/2019/2022 in both on-premises and AWS environments.
• Manage and support AD, DNS, DHCP, GPO, WSUS, and Windows clustering.
• Resolve incidents and service requests related to Wintel systems via ITSM platforms (ServiceNow, Jira, etc.).
• Perform patch management and coordinate monthly/quarterly patch cycles using WSUS/SCCM/AWS Systems Manager.
• Support AWS services: EC2, S3, IAM, EBS, CloudWatch, Systems Manager (SSM).
• Implement and review IAM permissions using IAM Access Analyzer and least privilege models.
• Execute and remediate findings from CIS Hardening baselines and compliance scans.
• Carry out Vulnerability Management System (VMS) remediation and Cloudscape recommendations in collaboration with InfoSec teams.
• Work with Trend Micro Vision One (or similar EDR/XDR platforms) for threat detection and remediation.
• Assist in automation scripting and remediation via PowerShell, AWS CLI, and SSM Documents.
• Create and maintain technical documentation, knowledge articles, and SOPs.
• Participate in audits, patch windows, and disaster recovery testing.
• Perform on-call support and participate in 24x7 shift rotations when required.

Required Qualifications:

• Diploma or Degree in Information Technology, Computer Science, or related discipline.
• 5+ years of hands-on Wintel administration and support.
• 2+ years of AWS experience supporting Windows workloads.
• Experience with IAM roles, security groups, S3 access policies, CloudWatch alarms/logs.
• Exposure to security and hardening frameworks (e.g., CIS Benchmarks, SCAP).
• Familiarity with tools like Trend Micro Vision One, Qualys/Tenable, AWS Config, AWS Systems Manager.
• Proficiency in PowerShell scripting for routine tasks and automation.
• Knowledge of backup and recovery strategies for Windows servers in cloud.
• Understanding of ITIL practices and experience using ticketing systems.

Benefits:

• Opportunity to work with cutting-edge technologies in the cloud.
• Collaborative work environment with experienced professionals.
• Professional growth and development opportunities.

Preferred Certifications:

• AWS Certified SysOps Administrator – Associate
• AWS Certified Solutions Architect – Associate
• Microsoft Certified: Windows Server Hybrid Administrator Associate
• ITIL v3/v4 Foundation

Soft Skills:

• Strong analytical and incident triage skills under pressure.
• Ability to handle and communicate with demanding customers tactfully and professionally.
• Ownership mindset with proactive problem-solving ability.
• Strong written and verbal communication; capable of producing clear documentation.
• Team player with collaborative work ethic and willingness to learn new technologies.

We are seeking a skilled Maintenance Technician to provide technical maintenance, troubleshooting, and end-user support across various systems.

• Perform diagnostics, component replacement, and repairs for end-user devices (laptops, desktops, mobile devices), IoT equipment (sensors, gateways, surveillance cameras), and server/storage hardware (racks, drives, power supplies).
• Install, patch, and troubleshoot OS (Windows/macOS/Linux) and applications (Office 365, antivirus, specialized tools). Configure email clients, VPNs, and network connectivity for end-users.
• Test/replace failing sensors (temperature, motion, access controls) and troubleshoot connectivity issues in wireless/wired networks (routers, switches, APs).
• Execute scheduled maintenance checks for servers, storage, and network infrastructure. Update asset inventories and maintenance logs.
• Provide on-call support for P1/P2 incidents (e.g., system outages, security breaches).

• Diploma in IT, Computer Engineering, Electronics, or related field.
• More than 2 years in IT maintenance roles covering 3 or more of the following: end-user computing (hardware/OS support), IoT device maintenance (sensors, cameras, gateways), server/storage troubleshooting, and network device configuration (switches, firewalls, APs).
• Proficiency in: hardware diagnostics tools (e.g. POST testers, multimeters), remote support software (TeamViewer, RDP), and basic scripting (PowerShell/Bash for automation).
• Technical Knowledge: OS (Windows Server, Linux distros, macOS), Networking (TCP/IP, VLANs, VPN, Wi-Fi protocols), IoT (understanding of RS-485, Modbus, MQTT data flows), and Security (device hardening, patch management cycles).
• Certifications (Preferred): CompTIA A+/Network+, ITIL Foundation, vendor-specific certifications (e.g., Dell/HP hardware, Cisco CCNA, Axis CCTV).

• Ability to lift/move equipment.
• Willingness for occasional after-hours/weekend work (on-call rotation).
• Own transportation for on-site client visits.

Tell employers what skills you have

This is a 6-month contract role.

• Platform and Hosting Management
• Provide technical support for Xpress CMS, overseeing deployment pipelines, environment configurations, and hosting infrastructure (Test, Acceptance, Production).
• Maintain containerized environments using Kubernetes and Docker. Manage CI/CD pipelines with GitLab, including branching, packaging, and deployment strategies.
• Environment and DevOps Oversight
• Ensure code and system quality utilizing tools such as New Relic, SonarQube, and OWASP security checks.
• Monitoring and Quality Assurance
• Implement and maintain privacy and cookie compliance tools like Cookie Consent and Privacy & Cookie Pro. Ensure GDPR and OWASP top 10 standards are upheld across platforms.
• Domain Lifecycle Management
• Manage brand domain lifecycle (registration, renewal, configuration) and consult business units on domain strategy and security best practices.
• Service Delivery and Vendor Coordination
• Collaborate with external vendors and agencies to uphold SLAs and ensure timely resolution of platform-related issues.
• Troubleshooting and Consultation
• Act as a technical consultant to internal teams, diagnosing hosting-related issues and advising on performance optimization, WAF/CDN configuration, and backend impacts.

Requirements:

• 5+ years of experience in platform/website support or infrastructure operations.
• Strong knowledge of cloud services, Platform-as-a-Service (PaaS) models, and web hosting technologies.
• Hands-on experience with: Kubernetes, Docker, GitLab, CI/CD pipelines, packaging strategies, New Relic, SonarQube, OWASP, CDNs, shared storage, and backend hosting environments.
• Understanding of web performance concepts including SEO, WAF, CDN, caching, etc.
• Familiar with GDPR, cookie compliance, and domain management.
• Strong service delivery and vendor coordination experience.
• Able to translate technical issues into business impact and vice versa.

• Opportunity to work on complex technical projects.
• Chance to collaborate with experienced professionals.
• Professional growth and development opportunities.

• Submit your resume and cover letter.
• Demonstrate your skills and experience.

Job Title: IT Infrastructure Support Specialist

ScienTec Consulting is hiring an IT Infrastructure Support Specialist to join our team. This role will involve supporting the deployment of IT infrastructure across various sites, ensuring smooth implementation and service readiness.

You will be responsible for equipment preparation, on-site system verification, and providing multi-channel support to customers via hotline, email, online forms, chatbot, portal, and case management system.

Additional responsibilities include preparing and packing IT equipment and accessories for deployment, guiding contractors in executing deployment tasks, and conducting test runs using laptops to verify that applications are working as expected.

• Diploma in Computer Science or a related field
• Minimum 1 year's experience in an IT deployment or support capacity
• Prior experience supporting government-related projects
• Familiarity with basic networking and system principles
• Familiarity with firewall configurations, IP address whitelisting, and basic networking concepts (CCNA-level knowledge)
• Proficiency in Microsoft Office tools

As an IT Infrastructure Support Specialist, you will have the opportunity to work on nationwide IT rollouts, gain hands-on experience in equipment setup and system testing, and collaborate with infrastructure teams for technical troubleshooting.

Entry-level candidates or those with relevant academic background are welcome to apply.

By submitting your resume, you consent to the collection, use, and disclosure of your personal information per ScienTec's Privacy Policy.

Only shortlisted candidates will be contacted.

As a System Maintenance Specialist, you will be responsible for ensuring the smooth operation of our computer-based information systems. Your role will involve maintaining and supporting both hardware and software components.

Key Responsibilities:

• Maintain and support computer-based information systems (both hardware and software)
• Perform regular checks, updates, and troubleshooting for Windows and Linux systems
• Ensure systems are operating efficiently and minimize downtime

Requirements:

• Linux/Windows experience
• IT Admin related experience is an added advantage
• IT Network related experience
• Personnel with maintenance experience related to the System's hardware or software will be an added value

Shift Requirements:

• Shift pattern (12 hours shift / Day Night Off Off pattern / Two days work , two day off)

Tell Employers What Skills You Have:

• Animal Feed
• Air Conditioning
• Troubleshooting
• Water
• Hardware
• Wiring
• Petroleum
• Electrical
• Swimming
• Technical Report Writing
• Pressure
• Windows
• Team Player
• Process Control
• Chemical Engineering
• Linux

We are seeking a highly skilled Assistant Engineer to join our team and support our ICT equipment in our data center. The successful candidate will be responsible for conducting preventive and corrective maintenance, providing logistical support, and ensuring all system documentation is up-to-date.

• To conduct preventive maintenance in accordance with the standard maintenance checklist.
• To provide logistical support, ensuring an acceptable quantity of spare units.
• To ensure all system documentation is up-to-date.

The ideal candidate will have a Nitec or Diploma in Infocomm Technology, with basic computer and network troubleshooting skills. Familiarity with Windows 10 and sensor systems, such as Radar, AIS, and Video cameras, is also required.

• Nitec or Diploma in Infocomm Technology.
• Familiar with Windows 10 and sensor systems eg. Radar,AIS,Video cameras.
• Familiar with Government Data Centre environment (Preferred but not essential).
• Basic computer and network troubleshooting skills.

This position requires flexibility, willingness to perform standby duties, and the ability to work rotating shifts. The working hours are 5 days a week at AMK, with travel to site as and when required.

• Willing to perform standby (rotating team basis).
• 5 day week @ AMK (travel to site as and when required).

The IT Operations Team is seeking an exceptional IT Engineer to provide comprehensive technical support and collaboration in the APAC region. Key responsibilities include identifying IT operational issues, managing service delivery processes, and ensuring excellence in IT service levels.

This role requires maintaining confidentiality of all information, undertaking additional duties as necessary, and working effectively within a multicultural environment in a matrix organization.

• Possess a diploma or bachelor's degree in computer science or related field.
• 5-8 years relevant experience in IT operations and engineering
• Familiarity with EUC management, Windows 11 operating system, Mac OS, JAMF, Apple Business Manager
• Experience in modern BYOD, mixed device collaboration environments, SaaS solution-based environments
• Expertise in ITSM ticketing systems such as Snow or Freshworks