Senior Systems and Network Engineer at RENCI

Singapore, , Singapore -

Full Time

Start Date

Immediate

Expiry Date

06 Sep, 26

Salary

0.0

Posted On

08 Jun, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Systems Administration, Network Design, Cybersecurity, Windows Server, Active Directory, Virtualization, Cloud Computing, Firewall Management, Disaster Recovery, Vulnerability Assessment, Identity and Access Management, Network Monitoring, Storage Management, VPN Infrastructure, Compliance, Backup and Replication

Industry

Research Services

Description

Job Responsibilities You will oversee the organization’s IT infrastructure, ensuring optimal performance, security, and reliability of servers, network and security systems, as well as cloud services. You will also have to design, implement, and maintain the IT infrastructure of a healthcare organization. Perform Systems Administration Maintain Windows servers, virtualization platforms, and storage solutions. Manage Active Directory, DNS, DHCP, and Group Policy. Ensure high availability and disaster recovery with backups and replication. Monitor system performance, troubleshoot issues, and apply patches and updates. Maintain Network Services Implement network design, configure, and maintain LAN, WLAN, and VPN infrastructure, managing firewalls, switches, and routers. Implement and monitor network security policies, intrusion detection, and access control. Optimize network performance, troubleshoot connectivity issues, and ensure redundancy. Ensure Security and Compliance Implement cybersecurity best practices, monitor threats, and manage endpoint protection and vulnerability assessments. Ensure compliance with regulations (e.g., HIB). Conduct security audits and enforce policies on user access, encryption, and authentication. Documentation and Reporting Create and maintain network documentation, including network diagrams, configurations, and procedures. On Rotating Roster Provide standby support during off-office hours and weekend on a rotational basis. Ad-Hoc Assignments Carry out any other tasks assigned by the supervisor or RO. Job Requirements Bachelor’s degree in information technology or related field. With networking, system and security certifications such as CCNA, CCNP, CCIE, Microsoft certified Azure Solutions Architect and/or Windows Server Administrator, CISSP, CISM and CompTIA Security. At least 5 years of experience providing systems, network and cybersecurity operational support. Must have hands-on experience with servers, network and security devices, firewall, switches, routers, load balancers and wireless solutions. Within experience in at least 5 of the below technologies: Windows Server environments, including installation, configuration, maintenance, and troubleshooting. Managing and maintaining Active Directory, including user and group management, Group Policy, and domain services. Nutanix Hyper-Converged Infrastructure (HCI) or equivalent technologies, including deployment, configuration, and management of Nutanix clusters. NAS systems such as Synology, including RAID configurations, storage pools, volume management, and monitoring storage health. Deploying, configuring, and managing Backup & Replication solutions such as Veeam. Experience with backup strategies, disaster recovery, and data restoration. SQL Server backups technologies such as Redgate, including configuring backup schedules, performing restores, and ensuring data integrity. Network monitoring tools such as SolarWinds, including setting up and managing network and server monitoring, creating alerts, and troubleshooting performance issues. Managing privileged accounts, including password rotation, session management, and auditing using PAM tools such as Password State and CyberArk. Vulnerability scanning and assessment technologies such as Nessus and OpenVAS, including configuring scans, analysing results, and implementing remediation plans. Microsoft Entra for identity and access management, including integration with Azure AD, managing user identities, and ensuring secure access to resources. Cloud platforms such as Azure, AWS and/or GCP.

Responsibilities

Oversee the organization's IT infrastructure, ensuring the performance, security, and reliability of servers, networks, and cloud services. Design and maintain systems administration, network services, and cybersecurity compliance within a healthcare environment.