Information Technology Infrastructure Administrator jobs in United States
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Alexander Group · 1 day ago

Information Technology Infrastructure Administrator

Alexander Group is a go-to-market consulting firm that helps commercial teams unlock their full potential. They are seeking an IT Infrastructure Administrator to support and maintain the company’s IT environment, focusing on network administration, systems management, cloud administration, and end-user support.

ConsultingInformation Technology
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Growth Opportunities
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Hiring Manager
Chanin Christensen Surma, CDR
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Responsibilities

Configure, monitor, and troubleshoot LAN/WAN, VPNs, wireless networks and firewalls
Optimize performance and ensure high availability of network resources
Monitor and update network monitoring tools and configurations
Administer servers (Windows, Linux), virtualization (VMware, Hyper-V), and storage systems
Manage Active Directory, DNS, DHCP and group policies
Support hybrid environments across on-premises and cloud platforms (Entra)
Work with Cisco ISE and Meraki switches and access points, SFDC, Deltek, Microsoft 365
Provision and manage cloud infrastructure (compute, networking, identity and security)
Identify and implement automation opportunities for infrastructure management
Support migration and optimization of workloads on-premise and in the cloud
Maintain firewalls, IDS/IPS, endpoint protection and access controls
Support compliance with cybersecurity and data protection standards (ISO, NIST, GDPR)
Monitor logs, investigate anomalies and respond to security incidents
Partner closely with IT and DevOps teams to support business initiatives
Provide Tier 2/3 support for escalated desktop and infrastructure issues
Document infrastructure changes, maintain diagrams and keep procedures current

Qualification

Network administrationSystems managementCloud administrationSecurity complianceWindows server administrationLinux server administrationVirtualization VMwareVirtualization Hyper-VTCP/IP knowledgeScripting (PowerShell)Proactive problem-solverCommunication skillsTeam player

Required

Bachelor's degree in IT, Computer Science or related field (or equivalent experience)
3–5+ years of experience in network, systems or infrastructure administration
Strong knowledge of TCP/IP, routing, switching, VPNs and firewalls
Experience with Windows and Linux server administration
Familiarity with virtualization technologies (VMware, Hyper-V)
Scripting and automation skills (PowerShell)
Proactive problem-solver with a continuous improvement mindset
Strong communication and documentation skills
Collaborative and dependable team player who thrives in a hands-on, on-site environment

Preferred

Cloud certifications for Azure (Optional)

Benefits

Bonus eligible.

Company

Alexander Group

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Alexander Group is a management consulting services produce maximum revenue growth for clients.

Funding

Current Stage
Growth Stage

Leadership Team

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Kevan Savage
Partner, Global Marketing Practice
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Sean Ryan
Partner
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Company data provided by crunchbase