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One Net Pte. Ltd.

Open 23d

Solutions Engineer - IT Infrastructure & Network (Maritime Fleet)

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Summary

Senior hands-on IT infrastructure engineer at a maritime managed service provider: manages Windows Server/Active Directory, AlmaLinux/RHEL, KVM/libvirt virtualization, WatchGuard firewalls, RMM tooling (NinjaRMM/ScreenConnect), and 3CX/SIP telephony across a ~5,000-vessel fleet, often under satellite (VSAT/Starlink) connectivity constraints.

Salary: $65,000 – $97,500 per year

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


Skills

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See also

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