Senior System Engineer

Senior Systems Engineer
Role Summary
The Senior Systems Engineer within the Core Infrastructure team is responsible for the configuration, implementation, maintenance, and secure operation of infrastructure components including compute, storage, networking, and related software. The role contributes to the delivery of strategic technology transformation initiatives and supports a modern, agile, and security-focused IT environment. It also involves advising senior stakeholders and recommending innovative infrastructure solutions to address current and emerging technology challenges. The position operates within established IT policies, procedures, and industry best practices.

Organisational Environment
Reporting to the Infrastructure Manager within the Technology division, the Senior Systems Engineer is a key member of the Core Infrastructure team. The role interfaces with senior technology leaders, product teams, and staff across the organisation, as the infrastructure environment supports a broad range of technology solutions. This position also acts as an escalation point for complex technical issues related to underlying infrastructure performance or availability.

Key Accountabilities and Outcomes

• Administer, configure, implement, and maintain infrastructure hardware and software systems.

• Conduct patching, hardening, and system updates as required.

• Identify and remediate cyber security vulnerabilities affecting infrastructure.

• Manage converged infrastructure platforms, including configuration and maintenance.

• Implement and support storage systems and related hardware.

• Design, deploy, and support infrastructure solutions based on business and technical requirements.

• Ensure secure administration of all infrastructure environments, including firewall and network security.

• Deliver infrastructure projects independently or as part of a project team.

• Develop and maintain comprehensive documentation for infrastructure solutions and environments.

• Travel to branch offices for maintenance and audits when required.

• Participate in after-hours maintenance activities.

Desired Experience and Capabilities

• Strong knowledge of modern IT infrastructure, including HPE hardware and virtualised/cloud environments.

• Proficient in:

  • Microsoft Windows Server (Active Directory, DNS, Group Policy, ADFS)

  • Linux operating systems

  • VMware (vCenter, SRM, Lifecycle Manager, ESX)

  • Microsoft Azure

  • Enterprise patching tools (Ansible, WSUS)

  • PAM solutions (CyberArk)

  • Monitoring tools (System Center, SolarWinds)

• Preferred experience with:

  • Cisco networking, Qualys vulnerability management, and Tidal job scheduler

  • Veritas NetBackup, VMware NSX/NSX-T/V, and vRNI

  • PowerShell scripting and general network troubleshooting

  • Microsoft SQL Server and Oracle database administration

  • Security technologies (TLS, certificates, encryption)

  • Endpoint and device management (Intel NUC, Logitech peripherals)

  • Wireless (Cisco, HP), load balancers (F5), and firewalls (Fortinet)

  • Microsoft IIS and HPE Nimble storage

• Familiarity with compliance standards such as ACSC Essential Eight, ISM, and PSPF is highly regarded.

  • An active Baseline security clearance or higher is highly regarded.

  Enterprise Capabilities
  Aligned with the Senior Professional - Intermediate level, this role requires advanced problem-solving, collaboration, communication, and continuous improvement capabilities across the enterprise.

At Randstad Digital, we are passionate about providing equal employment opportunities and embracing diversity to the benefit of all. We actively encourage applications from any background.

skills

HPE Hardware, Virtualised/cloud environments, Microsoft Windows Server Operating systems including Group Policy, Windows Active Directory, DNS, ADFS; Linux Operating Systems; VMware virtualisation stack including vCenter, SRM, Lifecycle Manager

qualifications

• HPE Hardware
• Virtualised/cloud environments
• Microsoft Windows Server Operating systems including Group Policy
• Windows Active Directory
• DNS
• ADFS
• Linux Operating Systems
• VMware virtualisation

education

Bachelor Degree

HPE Hardware,Virtualised/cloud environments,Microsoft Windows Server Operating systems including Group Policy,Windows Active Directory,DNS,ADFS,Linux Operating Systems,VMware virtualisation
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