2,076,807open jobs
127,363companies
241,064added this week
Browse all
Salary
$33k – $47k per year (gross)
Location
In office (Singapore)
Seniority
Junior · 1+ year exp
Employment
Full-Time

First seen by Alion on Oct 28, 2026.

Overview
Company
Impact
Profile match
Learn about OneSystems, a leading infrastructure solutions provider, serving the semiconductor, pharmaceutical, data centre, and manufacturing industries.

Key Responsibilities

• Conduct site assessments and infrastructure reviews to identify business priorities, connectivity needs and operational constraints. Define the proposed scope, evaluate solution options and prepare business cases explaining costs, benefits and operational impact.

• Collaborate closely with engineering, project delivery, and sales teams to ensure solutions are practical, deliverable, and aligned with client needs.

• Identify and assess network and IT infrastructure risks, including service outages, capacity limitations, equipment obsolescence and security weaknesses. Evaluate operational and financial impact, maintain risk registers, and implement approved mitigation measures such as redundancy, backup configurations and recovery procedures.

• Plan, assess, implement and document network changes, ensuring proper testing, approval, communication and rollback planning to minimize service disruption and operational risk.

• Document network configurations, incident resolutions, and system changes for internal knowledge management.

• Monitor, identify, contain and support the resolution of network security incidents and potential data breaches, while documenting and escalating incidents appropriately.

• Maintain working knowledge of relevant platforms and standards (e.g. Cisco/CCNP, Fortinet, Microsoft), using these as reference points to guide solution design and troubleshooting.

• Establish network design principles covering connectivity, capacity, availability, security, access and interoperability. Produce physical and logical infrastructure designs, topology diagrams and technical specifications for enterprise and IT/OT environments, including SDN where applicable.

• Perform network maintenance activities, including monitoring, patching, and performance optimisation.

• Design, configure, and support network infrastructure, including switching, routing, wireless, and network security components.

• Design and implement network protection, detection and response controls, including network segmentation, firewall policies, secure remote access and intrusion detection or prevention. Assess security weaknesses, validate the effectiveness of controls and refine network security designs to address identified threats.

• Perform network maintenance activities, including monitoring, patching, and performance optimisation.

• Troubleshoot and resolve systems and network issues, providing timely incident response to minimise downtime.

• Design, configure, and support network infrastructure, including switching, routing, wireless, and network security components.

• Maintain working knowledge of relevant platforms and standards (e.g. Cisco/CCNP, Fortinet, Microsoft), using these as reference points to guide solution design and troubleshooting.

• Collaborate closely with engineering, project delivery, and sales teams to ensure solutions are practical, deliverable, and aligned with client needs.

• Document network configurations, incident resolutions, and system changes for internal knowledge management.

• Plan and carry out network testing to verify connectivity, performance, security and reliability before new configurations or infrastructure changes are deployed.

• Coordinate with network equipment and service vendors for technical support, maintenance, issue resolution, upgrades and service performance, ensuring agreed requirements and SLAs are met.

Requirements

• Diploma or Bachelor’s Degree in Electrical/Electronic Engineering, Computer Engineering, Information Technology, or related technical discipline.

• Familiarity with Cisco, Fortinet, Microsoft platforms and relevant networking standards. Professional certifications such as CCNA, CCNP or equivalent are an advantage.

• Strong analytical and problem-solving skills to diagnose and resolve network, system and connectivity issues.

• Ability to plan, test, document and implement infrastructure changes while minimising operational disruption.

• Ability to evaluate technical solutions, assess costs and risks, support IT procurement, and coordinate with vendors and internal stakeholders.

• Good communication, coordination and documentation skills, with the ability to work independently and collaboratively across teams.

Skills

Mitigation, Collaborate With Engineers, Sales Support, Fortinet, Computer Engineering, Security, Network Changes, Network Technical Specifications Development, Knowledge Management, Network Connectivity, Information Technology, solution design support, Electronic and Electrical Engineering, Project Delivery, Risk Register, Security Incident Response

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,076,807 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Recommended for you based on this role

Networking
Similar stack
Same company
Singapore
$42k – $52k per year (gross) · In office · Full-Time · 3+ years exp · Singapore
DevOps
DNS
DHCP
VLAN
BGP
OSPF
MPLS
Cybersecurity
Wireshark
Management
ITIL
Apply
$94k – $159k per year (gross) · In office · Full-Time · 2+ years exp · Singapore
Python
Bash
Databases
Apache Kafka
DevOps
Terraform
GCP
CI/CD
Git
AWS
Kubernetes
Linux
TCP/IP
BGP
Apply
$37k – $47k per year (gross) · In office · Full-Time · 4+ years exp · Singapore
DevOps
Incident Management
TCP/IP
Apply
≈ $31k – $59k per year (Estimated) · In office · 1+ year exp · Singapore
Apply
$66k – $112k per year (gross) · In office · Full-Time · 3+ years exp · Singapore
Python
DevOps
Terraform
Ansible
AWS
Configuration Management
Windows
DNS
VPN
BGP
Cybersecurity
FortiGate
Apply
In office · Full-Time · Bachelor's Degree · Singapore
Python
JavaScript
Java
Node JS
Cybersecurity
Threat Modeling
Apply
In office · Full-Time · Bachelor's Degree · Singapore
Databases
ElasticSearch
AI/ML
Hadoop
Cybersecurity
Threat Modeling
Apply
In office · Full-Time · Singapore
Life Sciences
GMP
LIMS
MedTech
CAPA
Apply
Hybrid · Full-Time · 3+ years exp · Bachelor's Degree · Singapore
SQL
Mobile
Firebase
AppsFlyer SDK
Analytics
QlikSense
Design
Figma
Management
Confluence
Apply
≈ $48k – $120k per year (Estimated) · In office · Full-Time · 5+ years exp · Bachelor's Degree · Singapore
Apply
See all jobs
This is one of many
2,076,807 more open roles from verified company boards, updated every day.