Linux & Cloud Administrator (SAP HA Clusters + AWSAzure)

Role Title : The Axial Programme (Global S / 4HANA implementation)

Location : Chennai

We are one purpose-led global organisation. The enablers and innovators ensuring that we can fulfil our mission to push the boundaries of science and discover and develop life-changing medicines. We take pride in working close to the cause opening the locks to save lives ultimately making a massive difference to the outside world.

AstraZeneca (AZ) is in a period of strong growth and our employees have a united purpose to make a difference to patients around the world who need both our medicines and the ongoing developments from our this journey AZ must continue to work across borders and with partners and new colleagues in a fast and seamless way. The ambition size and complexity of the organisation coupled with the opportunities afforded by new technology has led the Board to approve a large-scale transformation programme Axial.

The Axial Programme will be powered by S / 4HANA a new ERP (Enterprise Resource Planning) system which will be implemented right across the organisation and will provide our business with standardised processes enhanced financial management common data and real time reporting transforming the way we work through our entire supply chain - from bench to patient.

The new system will be used by more than 20000 employees daily is foundational to all AZ entities and is central to most core business processes. This is a once in a generation programme for AstraZeneca and will shape our ways of working globally for many years to come.

The Axial programme needs the best talent to work in it. Whether its the technical skills business understanding or change leadership we want to ensure we have the strongest team deployed throughout. We are aiming to deliver a world class change programme that leaves all employees with a fuller understanding of their role in the end-to-end nature of our global company. This programme will provide AZ with a competitive edge to the benefit of our employees customers and patients.

What youll do

We are seeking a highly skilled and experienced Senior Linux & Cloud Operations Engineer to manage and support enterprise-scale Linux systems cloud platforms (AWS Azure Kubernetes) and a variety of database environments (RDS & NoSQL).

Candidate will possess strong hands-on expertise in RHEL-based systems including advanced configuration and administration of SAP Pacemaker High Availability Clusters along with a deep understanding of cloud infrastructure services DevOps automation and DBaaS platforms.

This role demands a high level of technical competency in ensuring system reliability performance availability and security across hybrid infrastructure. Expertise in automation scripting (Shell Python Ansible) and experience with CI / CD Terraform and ITSM workflows is essential for success in this position.

Essential for the role

Linux / Unix System Administration (RHEL SUSE CentOS)

Lead the design deployment and lifecycle management of enterprise-grade Linux systems (SAP HANA RHEL 8 / 9 CentOS SUSE).

End-to-end administration of OS environments including Volume File System user / access management OS hardening LVM NFS multipathing and patching.

Perform proactive system performance tuning kernel upgrades log analysis and security compliance enforcement (CIS / STIG benchmarks).

Automate OS provisioning and configuration using Ansible Bash / Shell Python or Perl.

SAP HANA High Availability (HA) with Pacemaker Clustering

Architect implement and maintain SAP HANA Pacemaker Clusters on RHEL / SUSE for mission-critical workloads.

Provide end-to-end operational support for RHEL CentOS Ubuntu and SUSE environments

Perform patching kernel upgrades filesystem / user administration and OS lifecycle management

Configure and manage advanced cluster components Fencing mechanisms and SBD (STONITH Block Device).

Manage Resource Agents (RA) Resource Groups Constraints Quorum STONITH.

Conduct failover / failback testing log analysis and real-time troubleshooting of cluster behavior and node failures.

Build runbooks / SOPs for SAP HA operations participate in DR drills and ensure continuous HA / DR readiness.

Collaborate with SAP Basis DBAs and infrastructure teams for seamless application onboarding and cluster validations.

Cloud Infrastructure Operations (AWS & Azure)

Hands-on administration of cloud infrastructure components : AWS : EC2 S3 RDS (PostgreSQL Oracle) IAM EBS Auto Scaling VPC Route53 CloudWatch Lambda EKS.

Azure : VM Scale Sets Blob Storage Azure IAM AKS Azure Monitor NSG VNets.

Databases : Oracle SQL Server MySQL PostgreSQL

Deliver day-to-day operations and maintenance of RDS / DBaaS instances including version upgrades backup / restoration schema refresh SSL renewal and high availability.

Implement cost-optimization strategies (e.g. Graviton migration decommissioning rightsizing storage cleanup).

Enforce cloud security best practices IAM policies tagging strategies encryption and compliance controls.

Automation CI / CD & Infrastructure as Code (IaC)

Automate OS and Cloud operations using Ansible Terraform CloudFormation and GitHub Actions pipelines.

Build reusable infrastructure templates and scripts for provisioning and configuration management.

Support version-controlled infrastructure workflows peer reviews and Github models.

Develop and maintain internal tools / scripts for monitoring reporting and alerting.

Operations Incident & Change Management

Actively manage ITSM lifecycle through tools like ServiceNow or equivalent platforms : Incident / Problem / Change / Service Request.

Root Cause Analysis (RCA) and Permanent Fix Implementations (PFI).

Ensure SLA adherence timely patching audit readiness and service health reporting.

Maintain operational knowledge base (KB) and document troubleshooting guides and architecture references.

Cross-Functional Collaboration & Knowledge Sharing

Work closely with network storage application security and platform engineering teams for integrated solutions.

Contribute to team learning through SOP authoring mentorship and tech talks.

Participate in cross-skilling initiatives to expand coverage across OS Cloud and container platforms.

Engage in continuous improvement projects aligned with automation resilience and cost governance.

Preferred Qualifications

Bachelors degree in computer science IT or related field.

Certifications preferred : RHCSA / RHCE AWS SysOps / Admin Azure Administrator CKA DB-specific certs.

Desirable for the role

Experience in SAP HANA on cloud and hybrid setups.

Exposure to Kubernetes-based workloads (EKS / AKS) and containerized applications.

Familiarity with Prometheus Grafana stack for observability.

Understanding of DevSecOps concepts Github and secure CI / CD pipeline practices.

Why AstraZeneca

At Astrazeneca were dedicated to being a Great Place to Work. Where you are empowered to push the boundaries of science and unleash your entrepreneurial spirit. Theres no better place to make a difference to medicine patients and society. An inclusive culture that champions diversity and collaboration and always committed to lifelong learning growth and development. Were on an exciting journey to pioneer the future of healthcare.

So whats next

• Are you already imaging yourself joining our team Good because we cant wait to hear from you.
• Are you ready to bring new ideas and fresh thinking to the table Brilliant! We have one seat available and hope its yours
• If youre curious to know more then we welcome your application no later than

Where can I find out more

Our Social Media Follow AstraZeneca on LinkedIn AstraZeneca on Facebook AstraZeneca on Instagram Posted

27-Oct-2025

Closing Date

AstraZeneca embraces diversity and equality of opportunity. We are committed to building an inclusive and diverse team representing all backgrounds with as wide a range of perspectives as possible and harnessing industry-leading skills. We believe that the more inclusive we are the better our work will be. We welcome and consider applications to join our team from all qualified candidates regardless of their characteristics. We comply with all applicable laws and regulations on non-discrimination in employment (and recruitment) as well as work authorization and employment eligibility verification requirements.

Required Experience :

Unclear Seniority

Key Skills

Air Freight,Accounting & Finance,Electrical Commissioning,General Services,Civil Engineering,Linux

Employment Type : Full-Time

Experience : years

Vacancy : 1