Network Engineer

Network Engineer

Telistar Solutions Pte. Ltd.
2-5 years
72000 - 78000 SGD

Job Description

Job Description


a) Manage network equipment such as routers and switches, firewalls & Intrusion

Protection/Detection Systems (IPS/IDS), appliances for Network Access Control

(NAC) and other network appliances

b) Daily checks of the logs and network links to ensure no abnormal activity

c) Install, maintain and upgrade all hardware, firmware and software used

d) Apply software and security patches following the patch management


e) Fine-tune network or system parameters

f) Create, delete or modify access rights for the network equipment related user

accounts in terms of authentication, authorisation and accounting

g) Manage IP addresses and IP assignment scheme, including for EUCDs

h) Manage firewall rules, settings and security configurations e.g. add, delete or

modify firewall rules, change encryption keys

i) Perform troubleshooting to resolve network issues

j) Manage network related incidents

k) NAC administration for security posture checks, including:

i. Log review for failed authentications

ii. Verify NAC service is enabled and policies are active

iii. Housekeep local users and static hosts list

iv. Update posture policies for endpoint protection and Windows patches

v. Perform NAC software updates and patching

vi. Verify validity of certificates, trust lists and update status of Certificate

Revocation Lists (CRLs)

vii. Generation and evaluation of authentication and posture reports

l) Perform routine backup of network configuration for network equipment, inclusive

of firewall rules

m) Document and maintain configurations of all network hardware, software and

cabling information used in the environment

n) Analyse network utilisation patterns, trends and problems, recommend and

implement corrective and preventive measures

o) Review network audit trails and security violation attempts on the network

p) Advice impact if any and propose solutions on known security threats and


q) Coordinate 2nd and 3rd level troubleshooting for root cause analysis (RCA) for

customer network equipment

r) Other network maintenance and configuration to ensure up to date

s) Implement and maintain network monitoring parameters and tools for reporting

t) Document and maintain network administration guides and SOPs

Minimum Qualifications:

a) Fluent and conversant in English

b) Proficient in following areas

i) Network topologies and protocols

ii) Network configuration

iii) Network utilization and performance monitoring

iv) Network fine tuning, incident troubleshooting, interpretation of

statistics and traffic patterns

v) Firewall rules configuration and security settings

vi) IDS/IPS, CDN implementation and IPV6

c) At least 3 years of hands-on experience in configuring switches/routers, firewalls


d) Minimum Cisco Certified Network Associate (CCNA) or equivalent

e) Experience in WAN implementation

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