System Administrator

System Administrator

The System Administrator is responsible for installing, configuring, and maintaining the company's IT infrastructure, including servers, networks, and security systems. This role ensures the stability, efficiency, and security of all technical operations, provides support for hardware and software issues, manages user access and permissions, and implements system upgrades and patches as needed.

Core Responsibilities:

• Deploy and manage software, user access, and system configurations across a hybrid (on-premises and cloud) infrastructure, leveraging automation to ensure consistency, security, and scalability
• 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)

Core 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)

Great to have:

• Experience with Azure
• Experience with Windows systems (Active Directory, DNS, RDS)
• Familiarity with container platforms (ECS, GKE)
• Experience with CI/CD tools (GitLab CI/CD, Packer)
• Experience with storage technologies (SAN, NAS, cloud storage platforms)
• Exposure to network/security appliances (Cisco, Fortinet, Palo Alto, Juniper)
• Familiarity with web and infrastructure services (IIS, NTP, Certificate Authority, file services)
• Experience supporting MDM solutions (Intune, Jamf)
• Familiarity with OpenSearch, Cloudflare, or similar tools

Why Join Paysend?

• Make a Global Impact: Directly impact millions of users worldwide
• Accelerate Your Career: Benefit from internal mobility, mentoring programs, and continuous learning opportunities
• Thrive in a Connected, Global Organization: Collaborate with colleagues across our international hubs and more
• Embrace a Principle-Driven & Focused Culture: Work in an organization guided by strong principles and values that actually help you achieve more than you thought possible
• Enjoy Competitive Compensation and Benefits: Receive a competitive salary, benefits, and flexible work arrangements