Systems and Network Engineer

PERCEPT SOLUTIONS PTE. LTD.; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

PERCEPT SOLUTIONS PTE. LTD. seeks a proactive Systems and Network Engineer to oversee hospital-grade infrastructure, including servers, network systems, security, and cloud services. You will ensure high availability, security, and regulatory compliance for critical healthcare operations.

The role covers Windows servers, virtualization (Hyper-V/VMware), AD, DNS, DHCP, and network devices with an emphasis on disaster recovery and ongoing security hygiene.

Qualifications

• At least 5 years in systems and network administration, preferably healthcare or regulated sectors.

Responsibilities

• Serve as a dedicated Systems and Network Engineer overseeing IT infrastructure for performance, security and reliability.
• Design, implement, and maintain healthcare-grade IT infrastructure with high availability.
• Manage on-premises and cloud infrastructure, cyber security measures, and regulatory compliance.

Skills

Windows Server

Hyper-V

VMware

Active Directory

DNS

DHCP

Group Policy

Firewalls

VPN

LAN/WAN

Security Tools

Backup DR

SolarWinds

PRTG

HIPAA

HDS

Tools

SolarWinds

PRTG

Job description

Responsibilities:

• Serve as a dedicated and proactive Systems and Network Engineer, overseeing the organization's IT infrastructure to ensure optimal performance, security, and reliability across servers, network systems, security infrastructure, and cloud services.
• Design, implement, and maintain robust IT infrastructure tailored to the needs of a healthcare environment, ensuring support for critical hospital operations with high availability and security.
• Manage on-premises and cloud infrastructure, oversee cybersecurity measures, and enforce compliance with healthcare regulations to safeguard sensitive patient data and guarantee continuous service delivery.
• Maintain and administer Windows servers, virtualization platforms (Hyper-V, VMware), and enterprise storage solutions.
• Manage Active Directory, DNS, DHCP, and Group Policy.
• Ensure disaster recovery readiness through backups and replication.
• Monitor system performance, troubleshoot issues, and apply security patches and updates.
• Design, configure, and maintain LAN, WLAN, VPN, and associated infrastructure.
• Administer firewalls, switches, routers, and ensure network segmentation and redundancy.
• Implement and monitor network security policies, intrusion detection systems, and access controls.
• Diagnose and resolve network connectivity and performance issues.
• Implement cybersecurity best practices, oversee endpoint protection, and conduct vulnerability assessments.
• Enforce compliance with healthcare security frameworks (e.g., HIPAA, HDS).
• Conduct security audits, manage encryption and authentication policies, and control user access.
• Maintain detailed network diagrams, configuration documents, and standard operating procedures.
• Provide standby support during off-office hours and weekends on a rotating roster to ensure 24/7 infrastructure availability.
• Execute any other ad-hoc tasks assigned by the supervisor or reporting officer.

Requirements:

• Relevant professional certifications highly preferred (e.g., Microsoft Certified: Windows Server, Cisco CCNA/CCNP, CompTIA Network+, Security+).
• At least 5 years of hands-on experience in systems and network administration, preferably within healthcare or other regulated sectors.
• Demonstrated expertise in managing Windows server environments, virtualization technologies (Hyper-V, VMware), and enterprise storage systems.
• Strong experience with Active Directory, DNS, DHCP, Group Policy management.
• Proficiency in configuring and managing firewalls, switches, routers, and VPN infrastructure.
• Deep understanding of LAN/WAN technologies, wireless networking, and network security tools.
• Familiarity with cybersecurity frameworks, risk assessments, and compliance standards (e.g., HIPAA, HDS).
• Experience in developing and executing backup and disaster recovery strategies.
• Skilled in diagnosing and resolving complex system and network issues.
• Hands-on experience with network monitoring tools such as SolarWinds, PRTG, or equivalents.
• Strong analytical, troubleshooting, and documentation skills.

EA Licence No.:18S9405 / EA Reg. No.:R1330864