Senior IT Systems Administrator - US EST Hours at Netsurit

• Job Summary: Are you a tech-savvy problem solver with a passion for IT infrastructure? We're on the hunt for an experienced IT Systems Administrator to join our dynamic team! If you have 5 to 10+ years of hands-on experience and a knack for keeping systems running smoothly, we want to hear from you.

Key Responsibilities:

Active Directory and User Management:

• Dive into our lab environment and take charge.
• Create and manage user accounts in Active Directory like a pro.
• Set up and configure user mailboxes with ease.
• Reset passwords and tweak domain password policies.
• Configure login scripts and manage user email addresses.
• Add aliases to mailboxes and set up email forwarding.
• Keep mailbox sizes in check and configure warnings.

Network and Server Management:

• Master DHCP and DNS configurations.
• Update router settings within the DHCP scope.
• Scavenge stale DNS records and keep the network clean.
• Configure DHCP servers and group policies.
• Create hidden shares and assign permissions.
• Manage security groups and folder permissions.
• Check server IP addresses, subnet masks, and network configurations.
• Differentiate between public and private IPs and manage server names and domain names.
• Configure RAID levels and take ownership of folders.
• Check the health of domain controllers and seize DC roles.
• Add additional domain controllers to existing domains.

Azure and Microsoft 365:

• Unlock the key features of Microsoft 365 and secure user accounts.
• Implement storage redundancy options.
• Join Azure AD with Windows 10 devices and manage shared mailbox licenses.
• Set up conditional access policies and protect against ransomware.
• Gain access to user mailboxes for troubleshooting and perform Azure AD Connect syncs.
• Create VMs on Azure and set up Azure VPNs.
• Manage Azure Virtual Desktops and authenticate PowerShell sessions to O365.
• Open and manage OneDrive permissions.

Exchange and Backup Management:

• Check mailbox sizes and configure mailbox limits.
• Manage Exchange databases and move them as needed.
• Use native Microsoft utilities for Exchange Server database maintenance.
• Configure Exchange to receive mail for additional domains.
• Name and configure backup products and schedule backup jobs.
• Understand the importance of system state backups and standard restore processes.
• Explain cataloging and indexing in backups and develop disaster recovery plans.

End-User Workstations:

• Configure Outlook and manage cached exchange modes.
• Configure email signatures and create PST files.
• Manage access to calendars and backup critical data.
• Configure shared printers and assign local administrative rights.
• Configure proxy servers and map network drives.

LAN/WAN and Firewall Management:

• Check and manage port numbers for various protocols.
• Understand NAT rules and differentiate between VLAN and VNET.
• Access network devices via console ports and manage ARP tables.
• Understand firewall brands and configurations.
• Manage failovers, load balancing, and user authentication on firewalls.
• Configure SSL-VPN connections and perform port forwarding.
• Block external servers/IPs and restrict firewall management access.
• Set up and monitor site-to-site VPN connections.

Mac OS/iPhone Management:

• Add additional admin users on MacOS.
• Use tools to ping IP addresses and map network shares.
• Ensure mapped drives are visible at login and manage IP addresses.
• Transfer data between Mac devices.

Other Responsibilities:

• Assign cluster IPs when setting up failover clusters.
• Troubleshoot cluster node failures and ensure VMs come back online.
• Recommend the best RAID configuration for SANs storing Exchange/SQL databases.
• Manage RAID 6 configurations and understand drive failure tolerances.
• Enable Multi-Factor Authentication (MFA) for enhanced security.
• Set up users in Microsoft 365 within hybrid configurations.

Communication Skills:

• Respond to questions clearly and effectively.
• Demonstrate strong problem-solving skills.
• Maintain clear speech and a clear voice.
• Be open-minded and honest in all interactions.
• Work well as a team player.
• Follow procedures and be open to giving training.
• Capable of providing support for the USA help desk.

Qualifications:

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• Minimum of 5 to 10+ years of proven experience as an IT Systems Administrator or similar role.
• Strong knowledge of Active Directory, DNS, DHCP, and network configurations.
• Experience with Azure, Microsoft 365, and Exchange Server.
• Familiarity with backup and disaster recovery solutions.
• Excellent problem-solving and communication skills.
• Ability to work independently and as part of a team.

Preferred Skills:

• Certifications such as CompTIA Network+, Microsoft Certified: Azure Administrator, or similar.
• Experience with hybrid environments and cloud migrations.
• Knowledge of firewall configurations and security best practices