Solutions Engineer - IT Infrastructure & Network (Maritime Fleet) - #1168430
One Net Pte. Ltd.
Location: Singapore (Singaporean/PR preferred; foreign candidates must already be based in Singapore — no relocation sponsorship offered)
Employment Type: Full-time, Permanent
Experience Required: 5+ years in IT infrastructure, networking, or systems engineering
Reports to: CTO
About the Role
We're a maritime-focused Managed Service Provider delivering IT infrastructure and support across a fleet of approximately 5000 vessels. We're looking for a Solutions Engineer to join our technical team, working hands-on across virtualization, networking, Windows/Linux server administration, and telephony systems that keep vessels connected and operational worldwide.
This is a senior individual-contributor role with real ownership — you'll be managing production infrastructure that vessel crews and shore-side operations depend on daily, often under satellite-connectivity constraints that make this work meaningfully different from standard corporate IT.
What You'll Do
Manage Windows Server / Active Directory environments including GPO, DNS, and user/role provisioning
Administer AlmaLinux/RHEL systems supporting core vessel and shore infrastructure
Administer and troubleshoot KVM/libvirt virtualization across vessel and shore-based host clusters
Use NinjaRMM and ScreenConnect for remote monitoring, patch management, and remote support across the fleet
Configure and maintain WatchGuard firewalls and network security across the fleet
Support 3CX/SIP telephony infrastructure, including PBX provisioning and troubleshooting
Write and maintain Ansible / PowerShell automation for fleet-wide provisioning and configuration management
Troubleshoot connectivity and infrastructure issues across satellite (VSAT/Starlink), LTE, and hybrid WAN links
Coordinate with vessel crews, shore-side operations, and vendors to resolve incidents within SLA
Contribute to documentation, SOPs, and knowledge-sharing across the technical team
Support pre-sales / proposal work where technical input is needed for new fleet onboarding or RFQs
What We're Looking For
Required:
5+ years of hands-on experience in IT infrastructure, networking, or systems engineering
Networking fundamentals: routing, VLANs, firewall administration (any enterprise-grade vendor — Palo Alto, Fortinet, Cisco, WatchGuard, etc.), and VPN technologies (SSL VPN, IPsec, site-to-site)
Experience with Windows Server and Active Directory administration (GPO, DNS, DHCP, OU structure)
Solid working knowledge of Linux server administration (RHEL/AlmaLinux/CentOS or similar)
Practical experience with virtualization (KVM/libvirt, VMware, Hyper-V, or Proxmox)
Strong troubleshooting instincts and comfort working independently under time pressure
Highly Valued (nice-to-have):
Familiarity with NinjaRMM, ScreenConnect, or comparable RMM/remote-support tooling
Experience with 3CX or other SIP/VoIP PBX systems
Ansible or other configuration-management/automation experience
PowerShell scripting for Windows administration and automation
Working knowledge of AWS (or other cloud platforms) for hybrid infrastructure or backup use cases
Experience supporting remote or satellite-connected sites (maritime, oil & gas, remote mining, etc.)
Exposure to maritime IT, VSAT/satellite communications, or fleet-scale multi-site management
Relevant certifications (CCNA/CCNP, Fortinet NSE, VMware VCP, RHCSA, or similar)
What We Offer
Competitive salary, commensurate with experience (indicative range: S$65,000 – S$97,500/year, with room to grow)
Real ownership of production infrastructure from day one
A technically varied role spanning networking, virtualization, Linux/Windows admin, and telephony — not a narrow, single-stack job
A small, senior technical team where your work has direct, visible impact on fleet operations worldwide
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