Network Engineer

RAPSYS TECHNOLOGIES PTE LTD; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

RAPSYS TECHNOLOGIES PTE LTD in Singapore is seeking a skilled Network Engineer to design, implement, and maintain robust network systems for performance, reliability, and security.

You will manage switches, firewalls, DNS appliances, and IP address management; perform on-site support, monitor health, document configurations, and coordinate with vendors to meet SLA targets.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field.
• 3+ years' experience as a Network Engineer supporting large campus networks.
• Strong analytical and problem-solving skills.
• Self-motivated with a sense of ownership.
• CCNA certification.
• PCNSA/PCNSP certification is a plus.

Responsibilities

• Manage, administer, configure, and provide technical support for network equipment and services.
• Install, maintain, and upgrade network hardware firmware/software; apply patches and remediation.
• Troubleshoot network problems and provide on-site support as needed.
• Conduct daily checks, monitor services, and analyze alerts and performance data.
• Document configurations, changes, and perform weekly backups.
• Coordinate with ISPs and vendors; ensure SLA-resolved issues.
• Assist with cabling management and wiring labeling for new outlets.
• Provide wireless configuration support and surveys.
• Maintain network diagrams and monthly resource reporting.
• Conduct asset verification and track equipment movements.

Skills

Analytical skills

Problem solving

Ownership

Team collaboration

Education

Bachelor's degree in Computer Science, Engineering, or related field

CCNA certification

PCNSA/PCNSP certification

Job description

We are looking for a skilled and dedicated Network Engineer to join our team in Singapore. The ideal candidate will possess strong technical expertise, a problem-solving mindset, and the ability to work collaboratively in a dynamic environment. You will be responsible for designing, implementing, and maintaining network systems that ensure optimal performance and security.

Key Accountabilities

• Manage, administer, configure, and provide technical support for network equipment (switches, wireless APs, firewalls, DNS appliances, UPS) and services, including VLANs, ACLs, firewall rules, DNS, and IP address management.
• Install, maintain, and upgrade network hardware firmware/software; apply patches, hotfixes, and manage vulnerability remediation.
• Take ownership of network problems, troubleshoot and resolve issues related to hardware, software, and firmware, performing on-site support as needed.
• Conduct daily system checks, monitor network services availability, and contribute to network health checks by analyzing alerts, statistics, and performance data.
• Manage and document all network device configurations, changes, and ensure weekly automated backups.
• Record network service outages and follow up on outstanding technical issues with vendors to ensure resolution within Service Level Agreement (SLA).
• Liaise effectively with ISPs, other service providers, and internal teams on operational matters.
• Assist and work with vendors with cabling management, including patching, documentation, 1st level troubleshooting of connections, and ensuring correct configuration/labeling of new outlets.
• Provide support for wireless configuration and surveys.
• Maintain comprehensive network documentation (diagrams, topologies, issues) and assist in proactive monitoring and monthly reporting for network resources.
• Conduct annual asset verification, track equipment movements (deployment, RMA, relocation, decommissioning), and update inventory records.
• Participate in network implementation and migration projects as required.
• Assist in supporting operational requirements such as power maintenance shutdowns, periodic system audits, and service validation.
• Adhere strictly to policies, rules, regulations, and IT security policies in all operational aspects.

Desired Experience, Knowledge & Attributes

• Bachelor's degree in Computer Science, Engineering, or a related field
• 3+ years' experience as a Network Engineer supporting large campus network
• Strong analytical and problem-solving skills
• Self-motivated with a strong sense of ownership
• Possesses a valid CCNA certification
• Certification in PCNSA/PCNSP is a plus