Security Infra Operations Engineer — Automation & Resilience

Ensign InfoSecurity; Singapore; On-site; SGD 50,000 - 80,000; Full time

Job summary

Ensign InfoSecurity is seeking an infrastructure professional to implement, maintain and operate the project’s network and infrastructure in Singapore. You will work with the security team to deliver required applications and integrations, and identify improvements for the implementation.

You will perform day-to-day operations, automate infrastructure code, manage virtualization and patching for Linux and Windows, and support vulnerability remediation and cost optimization.

Qualifications

• At least 1 year of experience in Windows and RedHat Enterprise Linux configuration and troubleshooting.
• Working experience in network firewalls & TCP-IP stack.
• Scripting experience with PowerShell, Bash and/or Python.
• Experience with virtualization software and bare-metal hypervisors.
• Experience with physical server management.
• Strong troubleshooting and analytical skills for resolving issues and delivering updates to stakeholders.
• Basic project management skills.
• Positive working attitude and a team player.
• Certificates in Cisco Networking, VMware, RedHat, MCSE, or equivalent is a plus.
• Disciplines in Computer Science, Computer or Electronics Engineering, Information Technology or related are a plus.

Responsibilities

• Carry out implementation, maintenance, support and operation of the project’s network and infrastructure.
• Maintain understanding of the architecture and work with security team to deliver required applications and integrations.
• Identify, evaluate and recommend new areas of improvements for the implementation.
• Perform day-to-day operational tasks, scheduled change requests, troubleshooting and maintenance of the implementation.
• Maintain code to automate infrastructure for build and maintenance, managing network connectivity, security rules and compliance to security and auditable standards.
• Manage virtual network appliances and patch management infrastructure for Linux and Windows.
• Support vulnerability assessments by reviewing and providing remediation to the security hardening of the resources.
• Support resource management in the environment helping in cost optimization.
• Contribute to improving and evolving workflow, processes and best practices for maintenance efficiency and security.
• Share knowledge through technical documentation, knowledge-based articles and sessions with peers.
• Collaborate with external parties, vendors and internal teams to resolve infrastructure issues.

Skills

PowerShell

Bash

Python

Networking basics

Tools

Virtualization software

Bare-metal hypervisors

Linux (RHEL)

Windows Server

Firewalls

Job description

Ensign InfoSecurity is seeking an infrastructure professional to implement, maintain and operate the project’s network and infrastructure in Singapore. You will work with the security team to deliver required applications and integrations, and identify improvements for the implementation.

You will perform day-to-day operations, automate infrastructure code, manage virtualization and patching for Linux and Windows, and support vulnerability remediation and cost optimization.