Systems Engineer III - Security & Automation

Nexus Recruitment Group; Taguig; On-site; PHP 1,200,000 - 1,800,000; Full time

Job summary

Nexus Recruitment Group is seeking a Systems Engineer III with deep expertise in infrastructure security, automation, and enterprise hardening. This role focuses on implementing secure configurations, automating IT operations, and strengthening reliability across on‑premises and cloud environments.

The ideal candidate has 5–7 years in systems engineering, strong scripting, and hands-on experience with vulnerability management, SIEM/SOC tools, and multi‑cloud platforms such as Azure and AWS.

Qualifications

• Bachelor's degree in IT/CS or related field.
• 5–7 years of systems engineering experience with security, automation, or cloud infra.
• Advanced scripting experience PowerShell, Python, Bash for automation.
• Hands-on with vulnerability management, endpoint protection, and SIEM/SOC.
• Knowledge of Windows/Linux internals, CIS Benchmarks, and AD.
• Experience with Ansible and Terraform, plus CI/CD pipelines.
• Familiarity with ISO 27001, SOC 2, or NIST is a plus.
• Strong troubleshooting, documentation, and communication skills.
• Certs such as Azure Administrator, Security+, CISSP are preferred.

Responsibilities

• Lead security hardening, patch management across Windows and Linux.
• Develop automation scripts/workflows using PowerShell, Python, or Ansible.
• Manage endpoint protection, vulnerability management, and security monitoring.
• Design, implement, and support secure infra across data centers and cloud.
• Automate repetitive IT tasks, deployments, and configurations.
• Collaborate with IT security, compliance, and risk teams for audits.
• Maintain architecture and change-management documentation.
• Monitor performance and ensure SLA-aligned availability.
• Support incident response and lead root-cause analysis.
• Mentor junior engineers and improve tooling.

Skills

System engineering

Security

Automation

Scripting

PowerShell

Python

Bash

Ansible

Terraform

CI/CD

Windows

Linux

Vulnerability management

Education

Bachelor's degree in Information Technology or related field

Tools

Azure

AWS

Active Directory

SIEM

Job description

Systems Engineer III - Security & Automation

About the job Systems Engineer III - Security & Automation

Job Summary:

We are hiring a highly experienced Systems Engineer Level III with deep expertise in infrastructure security, automation, and enterprise systems hardening. This role is responsible for implementing secure configurations, automating IT operations, and strengthening system reliability across on-premises and cloud environments. The position is ideal for someone passionate about operational excellence, cybersecurity, and building scalable, secure infrastructure.

The ideal candidate has strong experience in system-level security, scripting, automation tools, and cross-platform environments.

Key Responsibilities:

• Lead the implementation and enforcement of system security standards, hardening procedures, and patch management across Windows and Linux environments.
• Develop and maintain automation scripts and workflows using tools like PowerShell, Python, or Ansible.
• Manage endpoint protection, vulnerability management, and security monitoring tools in coordination with the cybersecurity team.
• Design, implement, and support secure infrastructure environments across data centers and cloud platforms (e.g., Azure, AWS).
• Automate repetitive IT tasks, deployments, and system configurations to improve operational efficiency.
• Collaborate with IT security, compliance, and risk teams to support audits and remediation efforts.
• Maintain documentation for architecture, system procedures, and change management.
• Monitor system performance and ensure infrastructure availability and resilience in alignment with SLAs.
• Support incident response activities and lead root cause analysis for security-related issues.
• Mentor junior engineers and contribute to improving team best practices and tooling.

Qualifications:

• Bachelors degree in Information Technology, Computer Engineering, or a related technical field.
• 5-7 years of experience in systems engineering, with specialization in security, automation, or cloud infrastructure.
• Advanced scripting experience (e.g., PowerShell, Python, Bash) for task automation and configuration management.
• Hands-on experience with vulnerability management, endpoint protection, and SIEM/SOC tools.
• Strong knowledge of Windows/Linux system internals, system hardening frameworks (e.g., CIS Benchmarks), and Active Directory.
• Experience with infrastructure-as-code tools (e.g., Ansible, Terraform) and CI/CD pipelines.
• Familiarity with compliance standards such as ISO 27001, SOC 2, or NIST is a plus.
• Strong troubleshooting, documentation, and communication skills.
• Relevant certifications preferred (e.g., Microsoft Certified: Azure Administrator, CompTIA Security+, CISSP, or equivalent).