Senior IT System Engineer

Join Alphline Technologies,

a dynamic, innovative Singapore-based IT solutions company where creativity meets technical expertise. We craft cutting-edge web, mobile, and infrastructure solutions that empower businesses to thrive. Since 2002, we have served MNCs, government agencies, SMEs, and start-ups with secure, high-quality technology solutions tailored to meet stringent standards.

We are seeking a

technically proficient and proactive Senior IT System Engineer

to play a key role in designing, deploying, and managing robust infrastructure solutions across our client environments. As a Senior IT System Engineer, you will take

end-to-end ownership of on-premises infrastructure

, from solution design and implementation through to ongoing operations and optimization. You will also serve as a

senior technical partner to our clients

, leading infrastructure projects, resolving complex technical challenges, and providing guidance to the wider engineering team. This is a hands-on role suited to an experienced engineer who enjoys

technical ownership, client engagement, problem-solving, and mentoring others

.

At Alphline Technologies, we're more than just an IT company; we're a team of passionate technologists dedicated to delivering impactful solutions. We foster a collaborative and innovative culture where your contributions are valued, and you'll have opportunities to grow alongside our success.

If you're passionate about contributing to a collaborative and growth-oriented environment, we want to hear from you!

Responsibilities:
Client & Project Ownership

— Act as the

senior technical point of contact

for assigned client accounts. Lead infrastructure projects from scoping and solution design through implementation, testing, documentation, and go-live.

Infrastructure Design & Administration

— Design, deploy, manage, and maintain on-premises Windows and Linux server environments, ensuring reliability, performance, and availability.

Virtualization & Storage

— Administer enterprise virtualization platforms such as

VMware, Hyper-V, and Nutanix

, together with SAN/NAS storage solutions. Perform capacity planning and optimization to support business requirements.

Network Administration

— Support and administer network infrastructure, including LAN/WAN, VLANs, routing, switching, firewalls, and VPNs, working closely with relevant teams and vendors where required.

Operations & Incident Management —

Oversee day-to-day infrastructure operations, monitoring, incident response, troubleshooting, and root cause analysis, driving issues through to permanent resolution.

Security & Hardening

— Implement system hardening, patch management, access controls, and other security best practices to maintain a secure and resilient infrastructure environment.

Backup & Disaster Recovery

— Implement, monitor, maintain, and periodically test backup and disaster recovery solutions to ensure data protection and business continuity.

Compliance & Validation —

Manage infrastructure in accordance with applicable ISO standards, CIS benchmarks, and GxP requirements, ensuring appropriate controls and documentation are maintained.

Technical Documentation

— Prepare and maintain SOPs, change records, validation documents, and infrastructure diagrams.

Technical Leadership & Mentoring

— Guide and mentor junior IT System Engineers, reviewing their work, supporting their technical development, and acting as an escalation point for complex issues.

Innovation & Continuous Improvement

— Identify opportunities to improve infrastructure reliability, security, efficiency, and automation. Contribute to hybrid/cloud initiatives and infrastructure improvement projects in collaboration with other teams.

Requirements:
Degree/Diploma in IT, Computer Science, or a related discipline

At least 3 years of hands-on experience in on-premises IT infrastructure operations

Strong experience with:
Microsoft Windows Server, Active Directory, DNS, DHCP

Linux server administration (at least one major distribution)

Designing and architecting virtualization environments (VMware, Microsoft Hyper-V, or Nutanix AHV)

Enterprise storage (SAN/NAS)

Core networking fundamentals (LAN/WAN, VLANs, firewall, VPN)

Proven ability to troubleshoot and resolve infrastructure issues independently

Proven track record owning client relationships and leading project delivery end-to-end

Comfortable guiding or mentoring junior engineers

Fluent in English and Mandarin (spoken and written) to communicate with Chinese-speaking stakeholders and clients

Able to work independently while collaborating effectively with internal teams

Added Advantage:
Immediate availability or short notice period

No visa or work pass sponsorship required, now or in the future

Experience in a regulated or compliance-driven environment (e.g., pharma, MNC)

ISO27001

MSSQL administration

Scripting or automation (PowerShell, Bash, VBA)

DevOps or infrastructure as Code (Ansible, Terraform, CI/CD)

Cloud platforms (AWS, Azure, or GCP)

Monitoring and observability tools (ELK, TIG, or similar)

Professional certifications in:
Infrastructure (VMware, Microsoft, Nutanix)

Networking (CCNA / CCNP)

Security (CompTIA Security+)

Cloud platforms

Working Hours & Location:
5-day workweek (Mondays - Thursdays 9:30 am – 6:30 pm; Fridays 8:30 am – 5:30 pm)

Location: Ang Mo Kio

Benefits

Work-from-anywhere once per week

Competitive salary and performance-based bonuses

Opportunities for professional development and career growth

Up to 22 days of Annual Leave

Health and wellness benefits

Alphline Technologies is a Singapore-based IT solutions company dedicated to partnering with businesses to succeed through innovative technology since 2002. We specialize in web and mobile application development, system integration, and infrastructure solutions (including virtualization) and automation, tailored to meet stringent standards such as GMP. Our clients range from MNCs and government agencies to SMEs and start-ups. Backed by ISO/IEC 27001:2022 and ISO/IEC 9001:2015 certifications, we deliver secure, high-quality solutions across the full lifecycle—from consultation and design to development, quality assurance, and lifecycle support.

Why Join Us?

At Alphline Technologies, we build innovative web, mobile, and infrastructure solutions that redefine how businesses operate. Our culture is rooted in collaboration, continuous learning, and shared success. You’ll work alongside experienced professionals and an approachable leadership team in a supportive, hands-on environment where ideas are valued, and voices are heard. We empower our people to think boldly, contribute meaningfully, and grow confidently. Whether you’re refining your craft or exploring new capabilities, Alphline is a place where curiosity is encouraged, skills are nurtured, and careers are shaped with purpose.