952,274open jobs
57,593companies
155,586added this week
Browse all
Salary
$56k – $66k per year (gross)
Location
In office (Singapore)
Seniority
Senior · 5+ years exp
Employment
Full-Time

First seen by Alion on Sep 11, 2026.

Overview
Company
Impact
Profile match
O2 Network is an ICT company in Singapore that provides ICT solutions suchas managed IT services, network solutions, cybersecurity and more. Inquire today!

Job Summary

The Senior System Solutions Engineer is responsible for designing, implementing, and supporting end-to-end technical solutions that meet customers’ business and operational requirements. This role provides technical leadership throughout the solution lifecycle, including requirements analysis, system architecture, Proof of Concept (POC), implementation, system integration, troubleshooting, and post-deployment support.

The incumbent will collaborate closely with customers, project teams, vendors, and cross-functional stakeholders to ensure the successful delivery of secure, scalable, and reliable solutions. The role also involves mentoring junior engineers and contributing to the continuous improvement of technical standards and best practices.

Job Responsibilities

1. Solution Design and Development

  • Lead the analysis of customer requirements and translate business needs into practical and effective technical solutions.

  • Design system architectures, integration workflows, and technical specifications that meet project requirements.

  • Evaluate technologies, products, and system components to recommend suitable solutions.

  • Lead the development and presentation of Proof of Concepts (POCs) to validate solution feasibility and effectiveness.

  • Ensure proposed solutions are secure, scalable, reliable, and aligned with industry best practices.

  • Prepare technical proposals, solution designs, system diagrams, and scope-of-work documentation.

2. System Implementation and Technical Support

  • Lead and perform the configuration, installation, integration, testing, commissioning, and deployment of system solutions.

  • Ensure implementations comply with approved designs, technical specifications, and customer requirements.

  • Troubleshoot and resolve complex technical issues during implementation and post-deployment.

  • Conduct root cause analysis and recommend preventive or corrective measures for recurring issues.

  • Review system performance and recommend improvements, upgrades, or optimisation measures.

  • Prepare and maintain accurate technical documentation, including system configurations, test records, troubleshooting guides, and user manuals.

3. Project and Stakeholder Collaboration

  • Provide technical consultation and support during the pre-sales, project implementation, and post-implementation phases.

  • Work closely with customers, project managers, internal teams, vendors, and third-party partners to ensure smooth project delivery.

  • Coordinate the evaluation, procurement, and integration of hardware, software, and other system components.

  • Communicate technical concepts and proposed solutions clearly to both technical and non-technical stakeholders.

  • Identify technical risks, dependencies, and implementation challenges, and recommend appropriate mitigation measures.

  • Support project planning by providing technical input on project scope, resources, timelines, and deliverables.

4. Technical Leadership and Development

  • Provide technical guidance and mentorship to junior engineers and other team members.

  • Review technical work, system designs, configurations, and documentation to ensure quality and consistency.

  • Develop and promote technical standards, procedures, and best practices within the team.

  • Stay updated on industry developments, emerging technologies, and applicable cybersecurity practices.

  • Participate actively in relevant training programmes, workshops, summits, conferences, and professional development activities.

  • Share technical knowledge and lessons learned with the team to strengthen overall technical capabilities.

Job Requirements

  • Diploma or Degree in Computer Science, Information Technology, Network Engineering, Computer Engineering, or a related field.

  • At least 5 years of relevant experience in system solution design, IT infrastructure, network engineering, system integration, or a related field.

  • Proven experience in independently designing, implementing, and supporting complex technical solutions.

  • Strong knowledge of Microsoft 365, SharePoint, and ERP or HRMS platforms.

  • Hands-on experience with Microsoft Azure, Active Directory, virtual machines, and virtualisation technologies.

  • Good understanding of networking, system security, cloud infrastructure, and system integration principles.

  • Experience in technical documentation, solution proposals, system testing, and project implementation.

  • Strong analytical, troubleshooting, communication, and stakeholder-management skills.

  • Ability to manage multiple priorities and work independently in a fast-paced project environment.

  • Basic scripting knowledge in PowerShell or Python would be an advantage.

  • Relevant professional certifications, such as CCNA, CCNP, Microsoft Azure Administrator, or ITIL, would be an advantage.

  • Prior experience in mentoring junior engineers or leading technical workstreams would be an advantage.

Skills

Microsoft Azure, Troubleshooting, Computer Engineering, System Support, Active Directory, Systems Integration, Project Implementation, technical diagrams, Hardware and Software Support, Customer Requirements Analysis, Feasibility Analysis, Security Solutions, Work in A Fast Paced Environment, Engineering Specifications, Technical Solution Design, HRMS

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.
952,274 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.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Solutions
Similar stack
Same company
Singapore
≈ $139k – $279k per year (Estimated) • In office • Full-Time • New York
AI/ML
Copilot
AI Agents
AWS Bedrock
Gemini
LLM
OpenAI
Anthropic
NIST AI RMF
ISO 42001
Machine Learning
DevOps
GCP
Azure
AWS
Cybersecurity
Crowdstrike
Darktrace
Zscaler
OWASP Top 10
SIEM
Apply
Solutions Consultant 5 hours ago
$87k – $109k per year • In office • 3+ years exp • Bachelor's Degree • Chicago
Cybersecurity
GDPR
Analytics
SAP BusinessObjects
Apply
Solutions Consultant 5 hours ago
$95k – $119k per year • In office • 3+ years exp • Bachelor's Degree • San Francisco
Cybersecurity
GDPR
Analytics
SAP BusinessObjects
Apply
$175k – $185k per year • Equity • Hybrid • 5+ years exp • Bachelor's Degree • Chicago
AI/ML
TensorFlow
PyTorch
Amazon SageMaker
Machine Learning
DevOps
Azure
CI/CD
AWS
Kubernetes
Apply
≈ $96k – $193k per year (Estimated) • In office • Full-Time • 5+ years exp • Bachelor's Degree • Maidenhead • Farnborough
PowerShell
DevOps
Azure
Windows Server
Ubuntu
Incident Management
Windows
Cybersecurity
ISO 27001
Management
ITIL
Apply
$48k per year • In office • Bachelor's Degree • Moscow
Python
PowerShell
C++
Bash
AI/ML
Red Teaming
DevOps
Linux
Windows
TCP/IP
DNS
VPN
Cybersecurity
Metasploit
Nmap
Cobalt Strike
BloodHound
Active Directory
SIEM
DLP
Apply
$84k – $209k per year • In office • Full-Time • Bengaluru
Python
Java
SQL
Scala
Databases
Apache Kafka
AI/ML
Hadoop
Spark
Flink
Machine Learning
DevOps
GCP
Azure
AWS
Analytics
ETL/ELT
Apply
≈ $47k – $113k per year (Estimated) • Equity • In office • Full-Time • Bremen
Python
MATLAB
AI/ML
Machine Learning
Management
Agile
Apply
In office • Full-Time • PhD • Toulouse
Python
AI/ML
Computer Vision
Apply
≈ $18k – $46k per year (Estimated) • Remote (India) • Full-Time
JavaScript
TypeScript
SQL
C#
C#
ASP.NET Core
Frontend
Angular
DevOps
Rest API
Azure
CI/CD
Management
Agile
Scrum
Apply
≈ $49k – $123k per year (Estimated) • Hybrid • Full-Time • 7+ years exp • Singapore
Frontend
GraphQL
DevOps
Splunk
Cybersecurity
Okta
Microsoft Sentinel
Cortex XSOAR
Microsoft Entra ID
SIEM
Management
Google Workspace
ServiceNow
ITSM
Apply
≈ $64k – $147k per year (Estimated) • In office • Singapore
AI/ML
Machine Learning
Apply
≈ $56k – $130k per year (Estimated) • Hybrid • Full-Time • 10+ years exp • Bachelor's Degree • Sydney • Melbourne
DevOps
Red Hat
Kubernetes
Linux
Apply
≈ $71k – $128k per year (Estimated) • In office • Full-Time • 5+ years exp • Bachelor's Degree • Singapore
Python
JavaScript
Java
Node JS
Groovy
Java
Apache Tomcat
DevOps
Splunk
Terraform
GitHub Actions
Kibana
Prometheus
GitLab CI
CI/CD
Windows Server
Jenkins
Git
Nginx
Apache HTTP Server
Grafana
SLI/SLO/SLA
IAM
Linux
Windows
Cybersecurity
PCI DSS
GDPR
LDAP
Management
Jira
Apply
≈ $20k – $38k per year (Estimated) • In office • Internship • Singapore
Apply
See all jobs
This is one of many
952,274 more open roles from verified company boards, updated every day.