Senior IT Systems Administrator - US EST Hours

Netsurit's mission is to "Support the dreams of the doers." For Netsurit, this means helping employees achieve their personal dreams and ambitions while they free up our customers to meet their broader business goals by taking the burden of day-to-day IT operations off their shoulders. What's your dream? Join the Netsurit Team and enjoy a culture where each employee is encouraged to dream and work on their dreams!

About Netsurit: We are #305 on Inc 5000 America's Fastest-Growing Private Companies! We were also awarded the 2024 Winner for Global MSP501 in the Top 500 Managed Service Providers!

With headquarters in New York, Netsurit is a global leader in IT solutions, providing comprehensive managed services, cybersecurity, AI capabilities, and strategic insights for organizations of all sizes.

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

For 27 years, Netsurit has helped more than 600 businesses navigate the complexities of the modern workplace by ensuring critical applications and infrastructure are always on, secure, and resilient.

A Note to Third Parties: Principals only. Recruiters, please don't contact this job poster. Please do NOT contact us with unsolicited services or offer