- Outram Central Region (Singapore) Singapore
Full Time Senior Network Engineer Jobs, Salary up to SGD 6,500 in DA SOFTWARE PTE. LTD. Central Region (Singapore) - Maukerja
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Job Description
Responsibilities
Experience:
8–12+ years
Domain:
Enterprise Network Infrastructure & Security
Job Summary
We are seeking a highly experienced and hands-on
Senior Network Engineer
with strong expertise in
enterprise routing & switching, network security, wireless, SD-WAN and production network operations
.
The candidate must have proven experience supporting
large-scale, business-critical enterprise networks
and should be capable of independently troubleshooting complex L2/L3 network incidents, performing root cause analysis, implementing network changes and coordinating with infrastructure, security, application, service-provider and vendor teams.
This is a
hands-on technical role
. Candidates whose experience is primarily desktop support, service desk or basic network monitoring without strong configuration and troubleshooting experience will not be suitable.
Key Responsibilities
Provide
L2/L3 operational support
for complex enterprise network environments.
Independently troubleshoot critical network incidents involving
routing, switching, WAN, firewalls, VPN, wireless and network security
.
Configure, implement, troubleshoot and maintain
Cisco routers, switches, Nexus switches, WLCs, firewalls and enterprise network infrastructure
.
Troubleshoot routing protocols including
BGP and OSPF
, along with HSRP, MPLS and related IP routing technologies.
Support
Cisco ASA, Cisco Firepower/FMC, FortiGate and Palo Alto
firewall environments.
Configure and troubleshoot
IPSec VPN, SSL VPN, AAA, RADIUS and TACACS+
.
Support
Cisco ISE / Network Access Control (NAC)
environments.
Support enterprise wireless infrastructure including
Cisco WLC/Aironet and Aruba APs
.
Support
SD-WAN
technologies such as Cisco SD-WAN/Viptela, VeloCloud, Fortinet SD-WAN and/or Meraki.
Perform advanced packet/network troubleshooting and isolate issues across network, application, security and service-provider layers.
Monitor network health and performance using
SolarWinds, Zabbix, Nagios and similar enterprise monitoring platforms
.
Perform
Root Cause Analysis (RCA)
for recurring and major network incidents and recommend permanent corrective actions.
Handle
P1/P2 production incidents
, escalations and restoration activities within defined SLA requirements.
Perform network configuration changes, upgrades, migrations, device replacements and infrastructure refresh activities.
Conduct network security reviews, identify vulnerabilities and implement appropriate remediation.
Participate in network design reviews and provide technical recommendations for scalability, availability, resilience and security.
Perform implementation validation and testing including
FAT, SAT, UAT/OAT
where applicable.
Coordinate with OEM vendors, telecom providers, security teams and other infrastructure teams for complex issue resolution.
Maintain accurate network diagrams, configurations, SOPs, troubleshooting guides and technical documentation.
Follow
ITIL Incident, Problem, Change and Configuration Management
processes.
Participate in scheduled maintenance, change windows and
24x7/on-call support
where required.
Mandatory Technical Requirements
8+ years of hands-on experience
in Enterprise Network Engineering and Network Operations.
Strong hands-on experience in
L2/L3 Network Operations, Support and Troubleshooting
.
Strong expertise in
Cisco Routing & Switching
in large-scale enterprise environments.
Strong knowledge of
LAN/WAN networking
, TCP/IP and enterprise network architecture.
Hands-on production experience with routing protocols including
BGP and OSPF
.
Good working knowledge of
HSRP, MPLS, VLAN, STP and related switching/routing technologies
.
Hands-on experience with
Cisco Nexus switches
.
Strong experience in
Network Security and Enterprise Firewall technologies
.
Hands-on experience with
Cisco ASA, Cisco Firepower and FMC
.
Good hands-on experience with
FortiGate/Fortinet and/or Palo Alto firewalls
.
Strong experience configuring and troubleshooting
IPSec VPN and SSL VPN
.
Strong knowledge of network authentication and security protocols including
AAA, RADIUS and TACACS+
.
Hands-on experience with
Cisco ISE / Network Access Control (NAC)
is preferred.
Strong experience with
Enterprise Wireless Networks
, including Cisco WLC/Aironet and/or Aruba.
Hands-on exposure to
SD-WAN technologies
, preferably Cisco Viptela, VeloCloud, Fortinet SD-WAN or Meraki.
Experience with enterprise network monitoring tools such as
SolarWinds, Zabbix and Nagios
.
Strong experience handling
P1/P2 incidents, L2/L3 escalations and complex production network issues
.
Proven ability to perform
Root Cause Analysis (RCA)
and implement permanent corrective solutions.
Strong understanding of
Incident, Problem and Change Management
processes in an ITIL environment.
Ability to independently
configure, troubleshoot, implement and maintain enterprise network infrastructure
, rather than only monitor and escalate incidents.
Strong communication skills with experience coordinating with
customers, vendors, service providers, security teams and other infrastructure teams
.
Qualifications
Degree/Diploma in
Computer Science, Information Technology, Network Engineering or related discipline
.
Minimum
8 years of hands-on enterprise network engineering experience
.
CCNA mandatory or equivalent practical expertise; CCNP preferred.
ITIL certification is an advantage.
Strong understanding of enterprise network architecture, security and high-availability environments.
Strong analytical and troubleshooting ability.
Ability to independently manage complex technical incidents from diagnosis through resolution.
Strong communication and documentation skills.
Experience working with enterprise customers, vendors and geographically distributed technical teams.
8–12+ years
Domain:
Enterprise Network Infrastructure & Security
Job Summary
We are seeking a highly experienced and hands-on
Senior Network Engineer
with strong expertise in
enterprise routing & switching, network security, wireless, SD-WAN and production network operations
.
The candidate must have proven experience supporting
large-scale, business-critical enterprise networks
and should be capable of independently troubleshooting complex L2/L3 network incidents, performing root cause analysis, implementing network changes and coordinating with infrastructure, security, application, service-provider and vendor teams.
This is a
hands-on technical role
. Candidates whose experience is primarily desktop support, service desk or basic network monitoring without strong configuration and troubleshooting experience will not be suitable.
Key Responsibilities
Provide
L2/L3 operational support
for complex enterprise network environments.
Independently troubleshoot critical network incidents involving
routing, switching, WAN, firewalls, VPN, wireless and network security
.
Configure, implement, troubleshoot and maintain
Cisco routers, switches, Nexus switches, WLCs, firewalls and enterprise network infrastructure
.
Troubleshoot routing protocols including
BGP and OSPF
, along with HSRP, MPLS and related IP routing technologies.
Support
Cisco ASA, Cisco Firepower/FMC, FortiGate and Palo Alto
firewall environments.
Configure and troubleshoot
IPSec VPN, SSL VPN, AAA, RADIUS and TACACS+
.
Support
Cisco ISE / Network Access Control (NAC)
environments.
Support enterprise wireless infrastructure including
Cisco WLC/Aironet and Aruba APs
.
Support
SD-WAN
technologies such as Cisco SD-WAN/Viptela, VeloCloud, Fortinet SD-WAN and/or Meraki.
Perform advanced packet/network troubleshooting and isolate issues across network, application, security and service-provider layers.
Monitor network health and performance using
SolarWinds, Zabbix, Nagios and similar enterprise monitoring platforms
.
Perform
Root Cause Analysis (RCA)
for recurring and major network incidents and recommend permanent corrective actions.
Handle
P1/P2 production incidents
, escalations and restoration activities within defined SLA requirements.
Perform network configuration changes, upgrades, migrations, device replacements and infrastructure refresh activities.
Conduct network security reviews, identify vulnerabilities and implement appropriate remediation.
Participate in network design reviews and provide technical recommendations for scalability, availability, resilience and security.
Perform implementation validation and testing including
FAT, SAT, UAT/OAT
where applicable.
Coordinate with OEM vendors, telecom providers, security teams and other infrastructure teams for complex issue resolution.
Maintain accurate network diagrams, configurations, SOPs, troubleshooting guides and technical documentation.
Follow
ITIL Incident, Problem, Change and Configuration Management
processes.
Participate in scheduled maintenance, change windows and
24x7/on-call support
where required.
Mandatory Technical Requirements
8+ years of hands-on experience
in Enterprise Network Engineering and Network Operations.
Strong hands-on experience in
L2/L3 Network Operations, Support and Troubleshooting
.
Strong expertise in
Cisco Routing & Switching
in large-scale enterprise environments.
Strong knowledge of
LAN/WAN networking
, TCP/IP and enterprise network architecture.
Hands-on production experience with routing protocols including
BGP and OSPF
.
Good working knowledge of
HSRP, MPLS, VLAN, STP and related switching/routing technologies
.
Hands-on experience with
Cisco Nexus switches
.
Strong experience in
Network Security and Enterprise Firewall technologies
.
Hands-on experience with
Cisco ASA, Cisco Firepower and FMC
.
Good hands-on experience with
FortiGate/Fortinet and/or Palo Alto firewalls
.
Strong experience configuring and troubleshooting
IPSec VPN and SSL VPN
.
Strong knowledge of network authentication and security protocols including
AAA, RADIUS and TACACS+
.
Hands-on experience with
Cisco ISE / Network Access Control (NAC)
is preferred.
Strong experience with
Enterprise Wireless Networks
, including Cisco WLC/Aironet and/or Aruba.
Hands-on exposure to
SD-WAN technologies
, preferably Cisco Viptela, VeloCloud, Fortinet SD-WAN or Meraki.
Experience with enterprise network monitoring tools such as
SolarWinds, Zabbix and Nagios
.
Strong experience handling
P1/P2 incidents, L2/L3 escalations and complex production network issues
.
Proven ability to perform
Root Cause Analysis (RCA)
and implement permanent corrective solutions.
Strong understanding of
Incident, Problem and Change Management
processes in an ITIL environment.
Ability to independently
configure, troubleshoot, implement and maintain enterprise network infrastructure
, rather than only monitor and escalate incidents.
Strong communication skills with experience coordinating with
customers, vendors, service providers, security teams and other infrastructure teams
.
Qualifications
Degree/Diploma in
Computer Science, Information Technology, Network Engineering or related discipline
.
Minimum
8 years of hands-on enterprise network engineering experience
.
CCNA mandatory or equivalent practical expertise; CCNP preferred.
ITIL certification is an advantage.
Strong understanding of enterprise network architecture, security and high-availability environments.
Strong analytical and troubleshooting ability.
Ability to independently manage complex technical incidents from diagnosis through resolution.
Strong communication and documentation skills.
Experience working with enterprise customers, vendors and geographically distributed technical teams.
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