Senior Infra Engineer (Network Engineer)

Intone Networks - Auburn Hills, MI

Full-time - Senior

Remote - Auburn Hills, MI

Professional, Scientific, and Technical Services

About the position

We are seeking a highly skilled and hands-on Senior Infrastructure Administrator to manage and optimize our enterprise-level server and network infrastructure. This role requires extensive experience in handling complex server and network systems, troubleshooting critical issues, and implementing cutting-edge technologies. The ideal candidate will have hands-on expertise in managing both on-premise and cloud environments, ensuring top-level performance, security, and availability.

Responsibilities

• Install, configure, and maintain Windows, Linux, and cloud-based servers in production environments.
• Monitor and optimize server performance using diagnostic tools to identify and resolve bottlenecks.
• Perform hands-on system upgrades, patches, and hardware migrations with minimal service disruption.
• Manage virtualization platforms like VMware, Hyper-V, or KVM, ensuring optimal resource utilization.
• Configure and manage network infrastructure, including routers, switches, firewalls, VPNs, and wireless networks.
• Ensure network performance, reliability, and security by implementing and maintaining firewalls, IDS/IPS, and access controls.
• Develop and implement automation scripts and tools (e.g., PowerShell, Python, Bash, Ansible) to streamline server and network management tasks.
• Execute and oversee backup operations, ensuring robust data integrity and disaster recovery strategies.
• Manage and maintain Active Directory (AD) services, including domain controllers, DNS, and Group Policy Objects (GPOs).
• Perform AD migrations, upgrades, and integrations with cloud environments such as Azure AD and Office 365.
• Implement and enforce security measures across server and network environments, ensuring systems are regularly patched and protected from vulnerabilities.
• Secure AD environments with role-based access controls, multi-factor authentication (MFA), and auditing.
• Maintain comprehensive documentation of configurations, procedures, and troubleshooting processes.

Requirements

• Bachelor's degree in Information Technology, Computer Science, or a related field, or equivalent hands-on experience.
• 7 years of hands-on experience in managing large-scale enterprise environments, including Windows, Linux, and cloud-based infrastructure.
• Expert-level understanding of server operating systems (Windows Server, Linux), networking protocols (TCP/IP, DNS, DHCP), and virtualization technologies.
• Strong knowledge of Active Directory, GPOs, DNS, DHCP, LDAP, and Kerberos, with experience in managing multi-site domain infrastructures.
• In-depth knowledge of networking protocols such as BGP, OSPF, and hands-on experience with Cisco, Juniper, or similar networking devices.
• Expertise in VMware, Hyper-V, or KVM platforms.
• Proficiency in automation tools such as PowerShell, Python, Bash, and Ansible.
• Hands-on experience with firewall technologies, VPNs, IDS/IPS, and security best practices.
• Proven track record in managing backup systems and real-world disaster recovery.

Nice-to-haves

• Ability to lift and carry server and network hardware for physical installations.
• Occasional travel may be required for data center management or remote office support.