Infrastructure Security Specialist

Job Title: Infrastructure Security Specialist

This role involves ensuring the security and reliability of IT infrastructure across multiple client environments. The ideal candidate will have extensive experience with Microsoft 365, Active Directory, Azure, and a variety of firewall technologies.

The System and Network Administrator is responsible for implementing and maintaining security protocols, including intrusion detection/prevention systems, firewalls, and anti-virus solutions. This includes managing and maintaining server environments, both on-premises and in the cloud, using Windows Server (2008-2022) and virtualization technologies such as VMWare and Hyper-V.

Key Responsibilities:

• Network and System Administration:
  • Administer and maintain client network infrastructures, including routers, switches, firewalls, and wireless technologies.
  • Manage and maintain server environments, both on-premises and in the cloud, using Windows Server (2008-2022) and virtualization technologies such as VMWare and Hyper-V.
  • Support and administer Microsoft 365, Active Directory, and Azure environments, including user management, group policies, and cloud-based services.
  • Implement and maintain firewalls and VPN solutions to ensure secure remote access and data protection.
• Security and Compliance:
  • Monitor, configure, and manage security protocols, including intrusion detection/prevention systems, firewalls, and anti-virus solutions.
  • Perform regular security assessments, vulnerability scans, and patch management to ensure compliance with security best practices.
  • Work with clients to develop and implement disaster recovery and business continuity plans.
• Support and Troubleshooting:
  • Provide Level 1 and Level 2 technical support for system, network, and application issues.
  • Use remote management tools to diagnose and resolve issues in a timely manner, ensuring minimal disruption to client operations.
  • Troubleshoot problems across various client environments, ranging from simple desktop issues to complex network problems.
• Virtualization and Cloud Services:
  • Administer VMWare environments, including the installation, configuration, and maintenance of virtual servers.
  • Provide expertise in cloud services, particularly Azure, to support client needs for scalable and resilient infrastructure.
• Collaboration and Ticket Management:
  • Collaborate with internal and external teams to provide effective IT solutions and support.
  • Utilize ticketing systems to track, manage, and resolve support requests in an organized and timely manner.
  • Ensure proper documentation of all configurations, troubleshooting efforts, and solutions in the ticketing system.
• Monitoring and Reporting:
  • Proactively monitor network and system performance, using monitoring tools to detect and resolve potential issues before they impact client operations.
  • Provide regular reports on system performance, uptime, and security incidents to management and clients.

Required Skills and Experience:

• 3+ years of experience as a System and Network Administrator, with a proven track record of installing, configuring, maintaining, and troubleshooting network and data center technologies.
• 2+ years of experience in a helpdesk or technical support role, providing frontline support and resolving issues via ticketing systems.
• Expertise in Microsoft 365, Active Directory, and Azure cloud platforms, including advanced user and group management, permissions, and cloud services administration.
• In-depth knowledge of firewall technologies and VPN solutions, with hands-on experience configuring and troubleshooting these systems.
• Strong proficiency in VMWare and other virtualization platforms, including virtual machine setup, maintenance, and performance tuning.
• Experience managing Windows desktop and server environments (2008-2022), with a strong understanding of patch management, updates, and system hardening.
• Proficiency with ticketing and remote management tools, including ConnectWise, Kaseya, ServiceNow, and other similar platforms.
• Solid understanding of networking protocols, including TCP/IP, DNS, DHCP, and VPN configurations.
• Strong problem-solving skills, with the ability to work efficiently in a fast-paced environment and manage multiple client systems simultaneously.