System Administrator

**Why work for Brennan?**

We are a national company with a reputation for delivering technical excellence, innovation and high-quality service to the mid-market and have backed up that statement by winning the #1 Managed Service Provider in Australia for the past 10 years in a row.

**Brennan IT benefits include**:

- A strong culture underpinned by values that are truly lived every day.
- Salaries are pegged to the Australian dollar.
- Flexible working is part of our DNA - We have adopted a hybrid working model and we encourage working from home and office as it seems ideal.
- Proven career progression opportunities, we are passionate about helping our people unlock their potential and grow across different capabilities.
- Diversity is a strength, and we love having people from diverse backgrounds and experiences, for example, we have employees from over 30 different countries - that is just one attribute, talk to us about our other diverse people

**Full Job Description**
- To provide 1st, 2nd or 3rd level technical support to Brennan IT clients, engineers and staff, 1st level monitoring and technical support to Brennan IT clients and staff.
- To coordinate, collaborate and escalate incidents within stipulated timelines, maintain existing cloud/infrastructure services and ensure that environment runs in an optimal way.
- Continuously improve the efficiency and excellence of service delivery as measured by client facing surveys and ratings in every department you are part of.

**Key Responsibilities**:

- Maintain/contribute to KMS for client and internal team, for both technical & processes.
- Server monitoring using SCOM, N-ABLE, Logic Monitor, Basic Intune / SCCM configurations.
- Understand O365, Mimecast, Intune, Azure integration.
- Manage security settings on Microsoft ATP.
- Knowledge of endpoint security at CSP level for Sophos, SentinelOne, CrowdStrike etc.
- Ability to perform initial investigation on security breach alerts.
- Vendor Management (hardware and Software vendors - HP, Dell, MS, VM, Citrix and others).
- Understand Storage NAS, SAN e.g., data domain, IBM, Netapp, Hitachi, Fujitsu, HP3par.
- Administration of Windows Server, groups, group policies, DNS, DHCP.
- Understand backups, replications for Veeam, Symantec, Zetro, Commvault.
- On premises backup alert management, monitoring and restoration.
- Execute maintenance tasks, App upgrades, patch escalations etc.
- Monitor, investigate and escalate issues in timely manner as per escalation Matrix.
- Ability to manage technical escalations from client/end user/internal team.
- Migrate VM’s from on premise to cloud.
- Basic understanding of SQL, maintenance plan, backup.
- Understand certificate management on appliance, servers, websites.
- SSL certificate renewal and installation on various roles (IIS, ADFS, ADC-Netscaler, Apache, SQL Reporting Services, WAS, Load Balancers).
- Smooth and timely customer engagement.
- Disk, CPU, Snapshot management provisioning.
- Monitor, manage experience with ESXI/Hyper-V hosts, Nutanix, Dell, HP SimpliVity.
- Manage and understand Failover Cluster, NLB.
- Manage windows update compliance.
- Antivirus Management, Sophos, Defender.
- Routine firmware upgrades of Physical Servers.
- Capacity planning and management.
- Patching ESXi hosts and vCenter updates.
- Basic know how of linux.
- Availability during critical outages impacting multiple functions.
- Maintain the performance level and upkeep virtual, physical infrastructure.
- Work within the team to develop processes to enable Automation, Orchestration, and enhance existing services.
- Knowledge of vulnerability management and critical remediation.
- Change management, performing RCA and able to clearly articulate the actions/outcomes.

**Required Background and Skills**:

- Knowledge of as many more technologies like VMware, Windows Hypervisors, Azure Administrations, O365, Mimecast, SQL Administration, Windows Administration.
- Experience in VM Deployment, VM Migration, managing host clusters.
- Extremely high-level attention to detail with methodical troubleshooting process
- Must have knowledge of Storage technologies like HP, IBM, Dell, Cisco servers.
- Demonstrable industry based technical aptitude (E.g., Microsoft, Citrix, HP, VMware, Hyperv, Nutanix, O365, Azure Administration).
- ITIL Service Management Foundation accreditation.
- Windows Server including 2016/2019, DNS, DHCP, Group Policy.
- Active Directory 2012 and above.
- VMware / Virtualization (Hyper - V, VMware).
- O365, Azure Administration.
- Exposure to Backup tools like Veeam/Commvault/Backup exec.
- Windows Administration certifications 2012 and above.
- Exposure to SAN /NAS.
- MS Azure and Office 365 Administration.
- Symantec Endpoint or McAfee or Sophos or SentinelOne or CrowdStrike.
- Exposure to Blade servers and configurations.
- ITIL Foundation and ServiceNow ITSM tool.