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Linux & Windows Systems Engineer – Vulnerability Management

Linux & Windows Systems Engineer – Vulnerability Management

On site

Irvine, United states

Freelance

12-01-2026

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Skills

Communication Bash PowerShell Incident Response VMware Change Management Risk Mitigation Linux Ubuntu Windows Virtualization Azure AWS cloud platforms Windows Server

Job Specifications

Linux & Windows Systems Engineer – Vulnerability Management

Role Overview

We are seeking a hands-on Linux & Windows Systems Engineer to support day-to-day infrastructure operations with a strong focus on vulnerability management, patching, and collaboration across IT and security teams.

This role is execution-focused and best suited for an individual contributor who enjoys working in structured environments, following security processes, and resolving vulnerabilities identified by security teams.

Key Responsibilities

Infrastructure Operations (Linux & Windows)

Administer and support Linux (RHEL / Ubuntu / CentOS) and Windows Server (2016–2022) environments.
Perform OS-level troubleshooting, system health checks, and performance tuning.
Support virtualized and cloud-based environments (VMware / Azure / AWS – as applicable).

Vulnerability Management & Security Operations

Execute vulnerability remediation activities based on reports from security tools and SOC teams.
Perform OS patching, updates, and security hardening across Linux and Windows systems.
Work on vulnerability tickets, remediation tracking, and closure within defined SLAs.
Collaborate with Security teams on:
CVE analysis
Patch deployment
Risk mitigation activities
Ensure systems comply with organizational security policies and standards.

Collaboration & Delivery

Work closely with Infrastructure, Security (SecOps), Application, and Cloud teams.
Participate in change management, incident response, and operational reviews.
Follow documented processes and contribute to continuous improvement.
Maintain clear communication with stakeholders during remediation activities.

Documentation & Process

Update and maintain:
System documentation
Patch and vulnerability remediation records
Operational runbooks and SOPs
Assist in audits and security reviews as needed.

Required Skills & Experience

Must-Have

5–10 years of hands-on experience as a Systems / Infrastructure Engineer
Strong experience with:
Linux OS administration
Windows Server administration
Hands-on exposure to vulnerability remediation and patch management
Experience working in ticket-driven, SLA-based environments
Strong collaboration and communication skills

Preferred / Good to Have

Experience with vulnerability tools such as:
Qualys
Nessus
Rapid7
Familiarity with:
VMware / Virtualization
Cloud platforms (Azure / AWS)
Basic scripting (Bash / PowerShell)
Understanding of security concepts:
CVEs
OS hardening
Least privilege access

About the Company

TRUGlobal Inc., headquartered in the San Francisco Bay Area, California USA, has been a pioneer in Digital Transformation and Technology Services since 2004. With over two decades of experience, TRUGlobal offers tailored IT consultancy, strategy, and solutions across various domains: * Business Intelligence (BI) & Advanced Analytics: Leveraging data insights to drive informed decision-making. * Cyber Security: Safeguarding organizations against digital threats. * Enterprise Solutions: Expertise in SAP, Oracle, NetSuite, Sale... Know more