Cyber Security Engineer

Unisys


Job Location:

Sydney - Australia

Monthly Salary: Not Disclosed
Posted on: 11 days ago
Vacancies: 1 Vacancy

Job Summary

What success looks like in this role:

Role Overview

We are seeking a highly technical Security Engineer to join our infrastructure team. This role is critical in bridging the gap between traditional systems administration and modern security operations. You will be responsible for securing a diverse environment encompassing Windows and Linux servers VMware virtualization and physical hardware while managing a robust security stack including CrowdStrike Tenable and LogRhythm.

The ideal candidate thrives on under the hood troubleshooting and has a deep understanding of how infrastructure vulnerabilities translate into enterprise risk.

Key Responsibilities

  • System & Hypervisor Hardening: Design and implement security baselines for Windows Server (Active Directory Group Policy) and various Linux distributions. Oversee the security posture of VMware environments ensuring vCenter and ESXi hosts are isolated and patched.
  • Threat Detection & Response: Act as the primary engineer for CrowdStrike Falcon managing sensor deployment policy tuning and incident response.
  • Vulnerability Management: Lead the end-to-end vulnerability lifecycle using Tenable (Nessus/IO). This includes scheduled scanning risk prioritization and collaborating with infrastructure teams to validate remediation.
  • SIEM Engineering: Manage and optimize LogRhythm ensuring high-fidelity log ingestion from diverse sources (firewalls servers applications) and developing custom correlation rules to detect anomalous behaviour.
  • Hardware Security: Oversee the security of physical assets including firmware updates BIOS hardening and secure lifecycle management of server hardware.
  • Incident Response: Serve as a technical lead during security incidents performing root cause analysis and implementing preventative measures.

You will be successful in this role if you have:

Technical Qualifications

  • Operating Systems: Advanced proficiency in Windows Server management and Linux (RHEL) administration.
  • Virtualization: Hands-on experience securing VMware vSphere environments.
  • Security Tooling:
    • EDR: Expert-level knowledge of CrowdStrike.
    • Vulnerability Management: Proven experience with Tenable.
    • SIEM: Practical experience with LogRhythm (AI Engine Case Management).
  • Infrastructure: Solid understanding of TCIP/IP networking and hardware-level security.
  • Automation: Ability to script in PowerShell Bash repetitive security tasks.
  • Familiarity with compliance frameworks (e.g. NIST ISO 27001 or Essential Eight).
  • Strong communication skills to translate complex technical risks into actionable business insights.

#LI-NV1

Unisys is proud to be an equal opportunity employer that considers all qualified applicants without regard to age caste citizenship color disability family medical history family status ethnicity gender gender expression gender identity genetic information marital status national origin parental status pregnancy race religion sex sexual orientation transgender status veteran status or any other category protected by law.

Local employment practices and rights may vary by jurisdiction and are subject to applicable local laws. This commitment includes our efforts to provide for all those who seek to express interest in employment the opportunity to participate without barriers.

If you are a US job seeker unable to review the job opportunities herein or cannot otherwise complete your expression of interest without additional assistance and would like to discuss a request for reasonable accommodation please contact our Global Recruiting organization at . US job seekers can find more information about Unisys EEO commitment here.


Required Experience:

IC

What success looks like in this role: Role OverviewWe are seeking a highly technical Security Engineer to join our infrastructure team. This role is critical in bridging the gap between traditional systems administration and modern security operations. You will be responsible for securing a diverse ...

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Unisys is a global information technology company that specializes in providing industry-focused solutions integrated with leading-edge security to clients in the government, financial services and commercial markets. Unisys offerings include security solutions, advanced data analytic ... View more

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