Mid-Level Systems Engineer

As a Mid-Level Systems Engineer, you will play a critical role in the administration, maintenance, and security of our IT infrastructure. You will be responsible for ensuring the uptime and performance of our Windows and Linux servers, managing patching cycles, maintaining virtualization environments, and supporting email infrastructure (O365 & Microsoft Exchange). You will also work with Linux container technologies like Docker and Kubernetes and support various IT automation and orchestration initiatives.

This role requires someone who is comfortable working independently, troubleshooting complex issues, and collaborating with other IT teams to deliver high-quality infrastructure solutions.

• Manage, configure, and maintain Windows and Linux servers (including CentOS, Ubuntu, RedHat, and others).
• Perform daily system monitoring, backups, and server health checks to ensure optimal performance.
• Troubleshoot and resolve server-related issues (hardware, OS, applications, etc.).
• Administer Active Directory (AD), Group Policy, and other Windows services.
• Provide support for user account management including creating, modifying, and deleting user accounts.

• Administer and manage virtualization platforms (e.g., VMware, vSphere, Hyper-V).
• Deploy, manage, and optimize virtual machines (VMs) in a highly available and fault-tolerant environment.
• Work with cloud platforms like AWS, Azure, or GCP (optional if applicable).

• Implement and manage a regular patching process for both Windows and Linux systems.
• Use patch management tools to deploy operating system and application updates.
• Ensure all systems comply with internal security policies and external regulatory requirements (e.g., PCI DSS, HIPAA).

• Administer and maintain Microsoft Exchange Server environment (on-premises or hybrid).
• Manage email routing, mailboxes, distribution groups, and public folders.
• Monitor and resolve Exchange-related issues such as connectivity, performance, and mail delivery.
• Implement backup and recovery processes for exchange databases.

• Deploy and manage Docker containers for development, staging, and production environments.
• Work with container orchestration platforms such as Kubernetes to manage large-scale containerized applications.
• Integrate containerized applications into the CI/CD pipeline and work closely with DevOps teams.

• Develop and maintain scripts (Bash, PowerShell, Python, etc.) to automate routine tasks including system deployments, configurations, and monitoring.
• Work with configuration management tools (e.g., Ansible, Chef, Puppet) for system automation.

• Monitor system health and performance using tools like Nagios, Zabbix, Prometheus, or similar monitoring tools.
• Investigate and resolve system issues and performance bottlenecks.
• Create alerts and dashboards to monitor server uptime, resource utilization, and application performance.

• Create and maintain system documentation including configuration guides, operational procedures, and troubleshooting tips.
• Generate and maintain regular status reports on system performance, patch compliance, and incidents.

• Work closely with the network team, security teams, and DevOps teams to implement infrastructure solutions.
• Provide support and guidance to junior engineers and other team members.
• Participate in on-call rotation and provide after-hours support as needed.

Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent practical experience).

• 5-7 years of hands-on experience in managing both Windows and Linux server environments.
• Solid experience with virtualization technologies (e.g., VMware, Hyper-V, or similar).
• Experience managing Microsoft Exchange Server (on-premises or hybrid).
• Strong experience with Linux containers, especially with Docker and Kubernetes.
• Practical experience with patch management tools and processes.
• Practical experience with Azure Intune management.
• Experience scripting in Bash, PowerShell, or Python for automation.

• In-depth understanding of system administration on both Windows (Windows Server 2016/2019/2022) and Linux (Ubuntu, CentOS, RHEL, etc.).
• Familiarity with cloud platforms (AWS, Azure, or GCP) is a plus.
• Strong understanding of Active Directory and Group Policy management.
• Knowledge of Exchange Server administration including mail flow, database management, and backup strategies.
• Experience with containerization technologies (Docker, Kubernetes).
• Familiarity with CI/CD processes and container integration.
• Strong troubleshooting skills and the ability to work independently.

• Microsoft Certified: Windows Server (e.g., MCSA, MCSE).
• Red Hat Certified System Administrator (RHCSA) or similar Linux certification.
• Docker Certified Associate (DCA) or Kubernetes Administrator (CKA).
• VMware Certified Professional (VCP) or similar.

• Experience with cloud-native applications and managing systems at scale in cloud environments.
• Experience with container orchestration tools like Kubernetes, OpenShift, or Docker Swarm.
• Familiarity with automation tools like Ansible, Terraform, or Puppet.

• Full-time position with occasional on-call or after-hours support as required.
• Some local travel may be required depending on the nature of the role.
• Work location: In-office.