Senior Systems Administrator

Description

Aspire Software is looking for a system administrator to join our team in Lebanon.

Here is a little window into our company: Aspire Software operates and manages wholly owned software companies, providing mission-critical solutions across multiple verticals. By implementing industry best practices, Aspire delivers a time sensitive integration process, and the operation of a decentralized model has allowed it to become a hub for creating rapid growth by reinvesting in its portfolio.

Key responsibilities

• Administer Windows Server and Linux VM environments – Ubuntu/RHEL, ensuring high availability, performance, and security compliance
• Administer Dell blade server environments and enterprise SAN/NAS storage – performance tuning and capacity planning
• Oversee VMware vSphere environment including ESXi hosts, vCenter, and VM lifecycle management
• Maintain high availability configurations and ensure infrastructure resilience for production systems
• Lead regular maintenance windows, patching cycles, and hardware lifecycle planning
• SQL Server administration (must-have)
• Manage and maintain SQL Server databases across multiple environments – dev, staging, QA, production
• Administer SQL Server Always On Availability Groups and/or Failover Cluster Instances
• Perform database performance tuning, index optimization, and query analysis
• Execute and validate backup, restore, and disaster recovery procedures for SQL environments
• Partner with development teams to troubleshoot slow queries and support schema changes
• Manage SQL security, roles, permissions, and auditing best practices
• Windows / IIS administration (must-have)
• Manage and maintain IIS web server configurations for .NET applications across multiple servers
• Administer application pools, SSL certificate bindings, and site configurations
• Troubleshoot IIS performance issues, 500-series errors, and application layer problems
• Support Active Directory, DNS, DHCP, Group Policy, and Windows Server services
• DevOps & automation
• Maintain and improve CI/CD pipelines supporting application deployments – TeamCity, Octopus Deploy, or similar
• Write and maintain automation scripts to reduce manual operational work – PowerShell, Bash, Python
• Manage Docker-based containerized workloads and support container orchestration
• Support Infrastructure as Code practices for environment provisioning and configuration management
• Collaborate with development teams to streamline deployment processes and improve release reliability
• Cloud & hybrid infrastructure
• Manage cloud-hosted environments on Azure, AWS and GCP – VMs, backups, region-specific customer environments
• Administer Veeam Backup for both local NAS and cloud-based backup targets
• Support hybrid connectivity, VPN management, and cross-region performance
• Optimize cloud resource usage and manage costs across environments
• Networking & security
• Manage firewalls, VLANs, routing, and network segmentation in a datacenter environment
• Oversee HAProxy or similar load balancing configurations across web and application tiers
• Enforce security policies, conduct access reviews, and support compliance requirements
• Manage SSL certificate lifecycle across internal and customer-facing services
• Monitoring & incident response
• Maintain infrastructure and application monitoring using tools such as Zabbix, LogicMonitor, Graylog, or similar
• Lead root cause analysis for production incidents and communicate findings to stakeholders
• Provide on-call support for critical infrastructure issues
• Document runbooks, incident response procedures, and system configurations

Requirements

• SQL Server 2014–2022, Always On AG or FCI, performance tuning, T-SQL, backup/restore, SSMS
• IIS / Windows IIS 8.5+, .NET application hosting, app pool management, SSL configuration, Windows Server 2016+
• Linux Ubuntu / Red Hat / CentOS server administration, shell scripting, service management
• Experience 3–5+ years in a senior sysadmin or infrastructure engineer role in a production environment

Strong assets

• Virtualization VMware vSphere / ESXi / vCenter, VM lifecycle management, resource optimization
• Storage enterprise SAN/NAS management, Dell PowerStore or similar, FC connectivity, storage performance
• DevOps CI/CD pipelines, PowerShell / Bash / Python scripting, Docker, IaC fundamentals
• Networking firewalls (Cisco ASA, Palo Alto, Fortinet), HAProxy, VLANs, VPN, routing fundamentals
• Cloud Azure and/or GCP – VM management, backup targets, hybrid connectivity, cloud-hosted environments
• Active Directory multi-domain AD, GPO, ADFS, DNS/DHCP administration

Nice to have

• DevOps tools TeamCity, Octopus Deploy, Terraform, Ansible, Kubernetes basics
• Logging Graylog, ELK Stack, or similar centralized log management