Senior Systems Engineer/ Administrator

As a Senior Systems Administrator, you will be responsible for ensuring the stability, integrity, and efficient operation of the IT infrastructure. This role involves hands-on work with network, server, and security technologies in both on-premises and cloud environments.

Responsibilities:

• Manage and maintain core network infrastructure, including switching, routing, VLANs, SD-WAN, DHCP, DNS, and firewall systems.
• Administer and support virtualized environments, primarily VMware and Hyper-V, ensuring high availability and performance.
• Configure and maintain Windows and Linux servers, ensuring system reliability, security, and compliance.
• Support and manage Active Directory and related systems, like Group Policy, and authentication services like ADFS and other SAML authentication services.
• Ensure data protection and backup integrity using tools such as Commvault and Druva.
• Monitor network and application performance using tools like SolarWinds Orion, identifying and resolving issues proactively.
• Deploy and manage secure remote access solutions, including VPN configurations with Pulse Secure/Ivanti Connect Secure.
• Support and optimize wireless and switching infrastructure, especially HPE/Aruba networks and Aruba ClearPass.
• Collaborate with cross-functional teams to implement infrastructure projects, upgrades, and system migrations.
• Manage and maintain enterprise applications and tools, such as SQL Server, SCCM/MECM, HAProxy, and AWS environments.
• Document system configurations, procedures, and policies to ensure consistent and reliable operations.
• Stay current with emerging technologies, evaluating and recommending solutions to improve system efficiency and security.

Must-Haves:

• Networking fundamentals (Switching, Routing, VLANs, VPN, SD-WAN)
• Virtualization (VMware or Hyper-V)
• Windows Server + Active Directory (GPO, authentication)
• Core infrastructure services (DNS, DHCP)
• Firewall/network security experience

Strongly Preferred:

• HPE Aruba (switching, wireless, ClearPass)
• Backup tools (Commvault or Druva)
• Monitoring tools (SolarWinds)
• AWS exposure
• VPN tools (Pulse Secure / Ivanti)

Regards,

Raj Dakshinapu | Recruiter, Dotcom Team LLC

Phone:

Web: | Email:

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