System Administrator
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Job Description
System Administrator managing the company's IT infrastructure and ensuring system reliability. Collaborating on automation and security across hybrid and multi-cloud environments for a fintech company.
Responsibilities:
- Deploy and manage software, user access, and system configurations across a hybrid (on-premises and cloud) infrastructure
- Administer and maintain Linux-based systems across on-premises and cloud environments (~70% of the environment), including provisioning, patching, performance tuning, and troubleshooting
- Support Windows environments (~30%), including core services such as Active Directory, DNS, RDS, and Group Policy
- Design, deploy, and manage infrastructure in AWS (primary cloud) including EC2, VPC, IAM, S3, and CloudWatch
- Support and maintain infrastructure in GCP environments (Compute Engine, Cloud Storage, IAM), as part of a multi-cloud setup
- Build and maintain infrastructure as code using Terraform and automate configuration management using Ansible
- Develop and maintain automation scripts using Bash, Python, or PowerShell
- Manage virtualisation platforms (VMware, EC2, Compute Engine) and support both physical and virtual servers (HP Proliant, HP MSA)
- Administer and maintain storage systems including SAN/NAS and cloud storage (S3, EBS, Google Cloud Storage, Filestore)
- Configure and troubleshoot networking components across cloud and on-prem environments, including VPCs, VPNs, load balancers, DNS, and firewalls
- Work with enterprise networking and security equipment (Cisco, Arista, Fortinet, Palo Alto, Juniper, Forcepoint)
- Implement and maintain monitoring and observability solutions (CloudWatch, Prometheus, Grafana, Zabbix) to ensure system health and performance
- Ensure backup, disaster recovery, and data protection strategies are in place and operational (Veeam, AWS Backup, GCP Backup and DR)
- Enforce security best practices, IAM policies, and compliance standards across hybrid and multi-cloud infrastructure
- Collaborate with DevOps, Security, Monitoring, and DBA teams to ensure reliable and scalable system operations
- Maintain clear and up-to-date documentation of systems, processes, and configurations (CMDB)
Requirements:
- Strong hands-on experience with Linux system administration in production environments
- Experience managing hybrid infrastructure (on-premises + cloud)
- Proven experience with AWS (EC2, VPC, IAM, S3, CloudWatch)
- Experience working with GCP (Compute Engine, Cloud Storage, IAM) in a multi-cloud environment
- Hands-on experience with Terraform and/or Ansible for infrastructure automation
- Solid understanding of networking fundamentals (TCP/IP, DNS, VPNs, load balancing)
- Experience working with physical and virtual servers, including provisioning and troubleshooting
- Experience with virtualisation platforms (VMware, EC2, Compute Engine)
- Scripting experience using Bash, Python, or PowerShell
- Experience with monitoring and observability tools (CloudWatch, Prometheus, Grafana, Zabbix)
- Strong understanding of security best practices, IAM, and access control
- Experience with backup and disaster recovery solutions (Veeam, AWS Backup, GCP Backup,DR)
Benefits:
- Competitive salary
- Flexible work arrangements
- Professional development opportunities
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