Last updated: 2025-10-14
43 It Systems Administration jobs in Singapore.
Ahrefs
Ahrefs runs an internet-scale bot that crawls the whole web 24/7, storing huge volumes of information to be indexed and structured in a timely fashion. Our bac…
Singapore
- Skills: network infrastructure, network devices, network security, network protocols, network automation, cloud networking, troubleshooting, Linux servers, distributed systems, monitoring tools
- Level: mid
- Type: full_time
DRW
DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets aro…
Singapore
- Skills: trade support, site reliability engineering, networking, trading platforms, Kubernetes, problem-solving, communication skills, scripting, Linux/Unix, trading systems
- Level: mid
- Type: full_time
Jane Street
Singapore
- Skills: IT Operations, Windows, Linux, macOS, networking, Active Directory, PowerShell, Bash, troubleshooting, technical documentation
- Level: mid
- Type: full_time
Virtu
Singapore
- Skills: Linux, Python, Bash, SQL, Ansible, Puppet, Salt, TCP, UDP, SEBI
- Level: mid
- Type: full_time
StarHub Ltd
Singapore
- Skills: network engineering, routing, switching, firewalls, FTTH, SASE, SD-WAN, WLAN solutions, Cisco CCNP, project management
- Level: mid
- Type: full_time
SMRT Corporation Ltd
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 …
Singapore
- Skills: Cloud Engineering, Azure, AWS, Infrastructure, Virtualization, ITIL, Server Hardening, High Availability, Problem Management, Configuration Management
- Level: mid
- Type: full_time
StarHub Ltd
Singapore
- Skills: cloud infrastructure, CI/CD automation, Kubernetes, network security, virtualization, disaster recovery, Linux, Windows Server, cloud platforms, automation
- Level: mid
- Type: full_time
Engineers Gate
Engineers Gate (EG) is a leading quantitative investment company focused on computer-driven trading in global financial markets. We are a team of researchers, …
Singapore
- Skills: Linux, Public Cloud, AWS, Scripting, Database Administration, Networking, Security, Virtualization, Desktop Support, Configuration Management
- Level: mid
- Type: full_time
StarHub Ltd
Singapore
- Skills: OpenShift, RHEL, ELK Stack, Ansible, Python, Kibana, logging, incident response, monitoring, configuration management
- Level: senior
- Type: full_time
Workato
Workato transforms technology complexity into business opportunity. As the leader in enterprise orchestration, Workato helps businesses globally streamline ope…
Singapore
- Skills: endpoint management, cloud identity providers, OKTA, Google Workspace, macOS administration, automation, security audits, IT systems administration, scripting, zero-trust security
- Level: mid
- Type: full_time
Arta Finance
Arta is on an audacious and incredibly rewarding mission: to pave the way for people everywhere to lead more successful financial lives. Arta leverages AI and …
Singapore
- Skills: endpoint management, enterprise asset management, security initiatives, infrastructure as code, cloud hosting, automation, zero trust environment, SaaS applications, procurement, observability
- Level: mid
- Type: full_time
StarHub Ltd
Singapore
- Skills: Cisco SD-WAN, Palo Alto firewall, vManage, networking, troubleshooting, BGP, OSPF, configuration, security policies, field support
- Level: mid
- Type: full_time
Hyphen Connect Limited
Singapore
- Skills: network engineering, trading systems, low-latency networks, Cisco, Unix, Python, cloud platforms, routing protocols, network monitoring, packet analysis
- Level: mid
- Type: full_time
Fortinet
Join Fortinet, a cybersecurity pioneer with over two decades of excellence, as we continue to shape the future of cybersecurity and redefine the intersection o…
Singapore
- Skills: cybersecurity, technical support, networking, firewalls, data networking protocols, troubleshooting, scripting, Windows, Linux, SQL
- Level: senior
- Type: full_time
Oracle
As a world leader in cloud solutions, Oracle uses tomorrow’s technology to tackle today’s challenges. We’ve partnered with industry-leaders in almost every sec…
Singapore
- Skills: Data Center, Troubleshooting, Linux, Networking, Server Hardware, Technical Support, Customer Satisfaction, Problem Escalation, Installation Management, Inventory Management
- Level: senior
- Type: full_time
Pure Storage
Pure Storage is fundamentally reshaping the data storage industry, offering innovative solutions in technology.
Singapore
- Skills: technical training, data storage, networking, Linux, virtualization, Fibre Channel, iSCSI, instructional design, customer-focused, APJ region
- Level: senior
- Type: full_time
DRW
DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets aro…
Singapore
- Skills: Trading Systems, Site Reliability Engineering, Problem-Solving, Linux/Unix, Database Management, Scripting, DevOps, Restful Services, Web Development, Option Trading
- Level: mid
- Type: full_time
Xcellink Pte Ltd
Singapore
- Skills: IT infrastructure, biometrics devices, troubleshoot, Windows environment, IT Service Management, technical support, configuration, installation, health check, inventory check
- Level: entry
- Type: full_time
Xtremax
Singapore
- Skills: Platform Operations, Infrastructure Management, Automation, Virtualisation, Monitoring, Containerisation, Infrastructure as Code, Scripting, Disaster Recovery, Networking
- Level: mid
- Type: other
Assurity Trusted Solutions
Assurity Trusted Solutions (ATS) is dedicated to being Singapore's leading National Certification Authority (NCA) offering reliable digital trust services. Our…
Singapore
- Skills: WAN, Data Center, network performance, routing, switching protocols, network security, firewalls, VPN, Cisco, cloud networking
- Level: mid
- Type: full_time