Senior/Systems Engineer

TALENTS@WORK PTE. LTD.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

TALENTS@WORK PTE. LTD. is seeking a Senior Linux Infrastructure Engineer to lead design, build, and deployment of turnkey Linux-based solutions in a public sector or enterprise setting.

You will manage Linux hardening, patching, and VAPT remediation, coordinate with global vendors, and mentor junior engineers while upholding security and documentation standards.

Qualifications

• Diploma or Degree in Engineering, Computer Science, IT, or related fields.
• Certifications such as RHCE, CKA, CEH, OSCP, CCNP, NSE, PCNSE, AWS, or cloud/Linux-related credentials are advantageous.
• Strong hands-on experience with Linux environments (RHEL, CentOS, Ubuntu).
• Experience with Windows Server is useful but secondary.
• Solid networking knowledge (L2/L3, VLANs, routing, TCP/IP, BGP).
• Hands-on experience with Fortinet or Palo Alto firewalls.
• Familiarity with VAPT processes and remediation.
• Understanding of IM8, ISO27001, PDPA, and security frameworks.
• Experience with VMware, Hyper‑V, or private cloud; knowledge of containers (Docker, Kubernetes) and public cloud (AWS, Azure) is a plus.
• Knowledge of MySQL, PostgreSQL, or Oracle databases.

Responsibilities

• Lead the design, build, and deployment of turnkey Linux-based infrastructure projects.
• Install, configure, test, and commission telecommunications and IT solutions.
• Perform Linux OS hardening, patching, and remediation per security benchmarks.
• Prepare technical documentation, implementation guides, and troubleshooting procedures.
• Provide rotational or standby support for mission-critical Linux environments.
• Troubleshoot and resolve complex issues across Linux servers, networks, and firewalls.
• Conduct VAPT assessments and ensure timely remediation.
• Work with global vendors to upscale and resolve technical issues.
• Act as the technical point of contact for requirements gathering and solution discussions.
• Conduct technical briefings, workshops, and compliance reviews.
• Coordinate with vendors on system enhancements, integration, and security updates.
• Guide and mentor junior engineers, especially in Linux technologies and best practices.
• Ensure team adherence to engineering, security, and documentation standards.
• Lead structured knowledge-sharing sessions.

Skills

Linux environments

Hardening & patching

Troubleshooting

Networking (L2/L3)

Firewalls (Fortinet/Palo Alto)

VAPT & remediation

Documentation & presentation

Education

Diploma or Degree in Engineering/CS/IT

Tools

VMware/Hyper-V

Docker/Kubernetes

Public Cloud (AWS/Azure)

Linux (RHEL/CentOS/Ubuntu)

Fortinet/Palo Alto Firewalls

Job description

Responsibilities

• Project Delivery
  • Lead the design, build, and deployment of turnkey infrastructure projects, with a strong focus on Linux-based systems.
  • Install, configure, test, and commission telecommunications and IT solutions.
  • Perform Linux OS hardening, patching, and vulnerability remediation following security benchmarks.
  • Prepare technical documentation, implementation guides, and troubleshooting procedures.
• Operations & Support
  • Provide rotational or standby support for mission-critical Linux environments.
  • Troubleshoot and resolve complex issues across Linux servers, networks, and firewalls.
  • Conduct VAPT assessments and ensure timely remediation.
  • Work closely with global vendors to upscale and resolve technical issues.
• Client & Vendor Engagement
  • Act as the technical point of contact for requirements gathering and solution discussions.
  • Conduct technical briefings, workshops, and compliance reviews.
  • Coordinate with vendors on system enhancements, integration, and security updates.
• Leadership (Senior Roles)
  • Guide and mentor junior engineers, particularly in Linux technologies and best practices.
  • Ensure team adherence to engineering, security, and documentation standards.
  • Lead structured knowledge-sharing sessions.

Requirements

• Qualifications & Certifications
  • Diploma or Degree in Engineering, Computer Science, IT, or related fields.
  • Certifications such as RHCE, CKA, CEH, OSCP, CCNP, VCP, NSE, PCNSE, AWS, or cloud/Linux-related credentials are advantageous.
• Technical Skills
  • Strong hands-on experience with Linux environments (RHEL, CentOS, Ubuntu).
  • Proficient in Linux hardening, patch management, and compliance enforcement.
  • Experience with Windows Server is useful but secondary.
  • Solid networking knowledge (L2/L3, VLANs, routing, TCP/IP, BGP).
  • Hands-on experience with Fortinet or Palo Alto firewalls.
  • Familiarity with VAPT processes and remediation.
  • Understanding of IM8, ISO27001, PDPA, and security frameworks.
  • Experience with VMware, Hyper‑V, or private cloud; knowledge of containers (Docker, Kubernetes) and public cloud (AWS, Azure) is a plus.
  • Knowledge of MySQL, PostgreSQL, or Oracle databases.
• Soft Skills
  • Strong analytical and problem-solving abilities.
  • Clear communication with both technical and non-technical stakeholders.
  • Good documentation and presentation skills.
  • Collaborative team player, self-driven, and adaptable.
• Others
  • Willing to participate in on-call support schedules.
  • Able to travel for project or vendor engagements when required.
  • Experience working with public sector projects is an advantage.