Senior System Engineer (Linux Redhat, Permanent)

GMP RECRUITMENT SERVICES (S) PTE LTD; Singapore; On-site; SGD 90,000 - 120,000; Full time

Job summary

A technical recruitment firm in Singapore is seeking a Systems Architect to lead multi-site architecture and design initiatives. The ideal candidate has over 10 years of systems engineering experience, with at least 3 years in a leadership role handling complex programs. Knowledge of advanced Linux administration and networking/security is essential, along with relevant certifications. This role requires collaboration with various teams and the ability to manage project governance effectively.

Qualifications

• 10+ years in systems engineering and 3+ years in architecture leadership.
• Preferred certifications include RHCE, AWS/Azure Architect, and relevant network/security credentials.
• Advanced skills in Linux administration and hardening.

Responsibilities

• Lead architecture/design for multi-site and geo-redundant builds.
• Define reference architectures and automation-first approaches.
• Collaborate with engineering and PMO teams for project governance.

Skills

Systems engineering

Architecture leadership

Linux administration

Networking & Security

Virtualization & Cloud

Data & Observability

Tools

AWS

Azure

Kubernetes

MySQL

PostgreSQL

Job description

Responsibilities

• Lead architecture/design for multi-site and geo-redundant builds, produce HLD/LLD and approve DLD prior to implementation.
• Define reference architectures and golden images drive automation-first approaches for provisioning, configuration, patching, and upgrades.
• Own technical plans and risk mitigation across staging and production ensure traceable validation via unit, integration, and UAT test artefacts.
• Collaborate with engineering and PMO teams to ensure governance, sign-offs, change control, and stakeholder alignment.
• Serve as Tier-3/Tier-4 escalation during Sev-1/Sev-2 incidents lead incident command, root-cause analysis, and permanent corrective actions aligned to our escalation flows and severity classification.

• Act as technical owner in pre-sales and delivery phases-clarify requirements, validate assumptions, and translate business goals to system design, working with Sales, Service Excellence, Product Engineering and PMO.

Requirements

• 10+ years in systems engineering 3+ years leading architecture or serving as principal/lead engineer on complex programs.
• Preferred certifications: RHCE, AWS/Azure Architect, Kubernetes (CKA/CKAD), and relevant network/security credentials (e.g., CCNP).
• Willingness to travel for onsite implementations and cutovers when required.
• Linux (RHEL, CentOS, Ubuntu): advanced administration, hardening, HA clustering, performance tuning.

• Networking & Security: switching/routing, firewalls, VLANs, TCP/IP, DNS/NTP/LDAP/SMTP architecture-level design decisions and security controls.
• Virtualization & Cloud: KVM, VMware, Hyper-V AWS/Azure/GCP architectures, cost/performance trade-offs, and hybrid designs.
• Data & Observability: MySQL/MariaDB/PostgreSQL logging/metrics/alerts (e.g., syslog-ng, Elastic).

Company: ICT Solution | Location: Bendemeer MRT

GMP Recruitment Services (S) Pte Ltd | EA Licence: 09C3051 | VO UYEN AI LINH | Registration No: R22109232

This is in partnership with the Employment and Employability Institute Pte Ltd (e2i).

e2i is the empowering network for workers and employers seeking employment and employability solutions. e2i serves as a bridge between workers and employers, connecting with workers to offer job security through job-matching, career guidance and skills upgrading services, and partnering employers to address their manpower needs through recruitment, training, and job redesign solutions. e2i is a tripartite initiative of the National Trades Union Congress set up to support nation-wide manpower and skills upgrading initiatives.

By applying for this role, you consent to GMP Recruitment Services (S) Pte Ltd's PDPA and e2i's PDPA.