Lead Administrator

Stockholm County, Stockholm  ‐ Hybrid

Keywords

SUSE Linux Red Hat Enterprise Linux Operational Systems Microsoft Azure Root Cause Analysis Performance Monitor Puppet Network Server Auditing Automation Business Continuity Ubuntu (Operating System) Capacity Planning Artificial Cardiac Pacemakers CentOS Change Management Data Security Linux Firmware Infrastructure Management Linux Servers Logical Volume Manager Node.Js Performance Tuning Ansible 3par Risk Analysis Security Awareness System Software Test Planning Virtualization Vulnerability Scheduling Scripting Testing Impact Analysis Commvault

Description

Dear Consultant,

I am hiring a Lead Administrator with the below skill set for our multinational client with an open project in Stockholms.
If you are available and interested DM me here or email to

• Providing L3+ support for >8 datacenters which is in Europe
• Working on Legacy/Virtualization/Azure Cloud Environment
• Installing, Upgrading & removing patches on Red Hat/SUSE Linux servers on regular basis to fix security vulnerabilities and for better performance
• Working on usual infrastructure Incidents, change request and Problem management for all supported clients.
• Filesystem management Creation/Increase/Removal in LVM on Linux servers
• Install and Configuring TSM/Commvault backup agent and ensure to have a proper backup in place based on the environment
• Acknowledging security vulnerability incidents and fixing it on priority based on CVE Score
• Upgrading the OS from SLES11 SP4 to SLES12 SP5 and SLES15 SP3 based on the requirements
• Working with Vendor for replacing failed hardware parts / Root Cause analysis
• Involved DR calls / activity and External Auditing calls for multiple clients calls
• Managing SUSE Manager server, pulling latest patches from SUSE for regular updates on servers
• Storage migration from 3PAR to Nimble to get a better IO performance for big DB using OS native command lvconvert
• Process and performance monitoring & Server decommissioning
• Handling multiple two-node cluster in HPE Service Guard Cluster (Prod, Dev, Sandbox and Quality) on 3PAR storage with peer persistence LUN’s
• Administer, maintain and support Linux (RHEL/Suse/Ubuntu/CentOS) operating systems
• Resolve major incidents and technical escalations within agreed SLAs and quality.
• Problem Management: Perform root cause analysis for problems and major incidents, provide workarounds to ensure business continuity and prepare RCA reports.
• Change Management: Prepare Implementation plan, rollback plan and test plan, risk and impact analysis for critical or complex changes. Review the change plan and documentation prepared by level 2 engineers or peers.
• Participate in CAB meetings as needed and assist change manager in techno-operations decision process
• Install hardware and software, maintain appropriate service levels, performance tuning and firmware upgrades across multiple hardware platforms.
• Perform advance tasks such as, capacity planning, performance monitoring, provide recommendations for improvement and implement or oversee implementation of the recommendations.
• Perform system software upgrades including planning / scheduling, testing, coordination, and maintaining integrity of operating system environment.
• Harden operating system parameters in line with client / Dimension Data security policy, standards, or best practices.
• Respond to outages both during normal business hours and after-hours on a need basis (on-call support).
• Documentation, knowledge sharing and training of junior members.
• Coordinating and interfacing with outside vendors, end users, other department team members, and service providers to resolve issues.
• Analyse data, oversee and contribute to service improvements.
• Oversee tasks executed by junior members and stand in for them if needed
• Automation via puppet. Should be L2+ in scripting

Nice to have:
• Azure Cloud
• Pacemaker Cluster in RedHat and SUSE
• HPE Serviceguard Cluster
• Puppet, Ansible
Start date
ASAP
Duration
6 months
(extension possible)
From
DCV Technologies
Published at
13.05.2024
Contact person:
Marcillina Tietjen
Project ID:
2749414
Industry
IT
Contract type
Freelance
Workplace
80 % remote
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