Senior IT Support Engineer (3rd Line) - Hybrid Office & Cloud

Jobless; Missouri; On-site; USD 75,000 - 110,000; Full time

Job summary

Brand Addition in St. Louis seeks an IT Support Engineer III to deliver 3rd line IT support for local and global infrastructure. You will support servers, networking, endpoints, and office technology, while collaborating with the wider team to maintain secure, reliable systems.

The role requires excellent communication, proactive problem solving, and the ability to work independently or in a team. Candidates should have hands-on experience with Windows Server, virtualization, O365, security

Qualifications

• Windows Server 2016 and above.
• Virtualization with VMware, Hyper-V & Azure
• DHCP, DNS, NPS, Active Directory, Group Policy
• Microsoft O365 (Exchange, Teams, One drive, SharePoint, Defender, In-Tune etc)
• Systems and Server backup Technologies
• IIS Server
• PowerShell
• Microsoft SQL Server Installation and Maintenance
• Experience working with SAN Technologies
• Experience working with backup technologies
• Good experience of managing firewalls, switches, AP’s and other network devices
• In-depth knowledge of networking and security including, TCP/IP, OSI model, protocols and VLAN’s
• Knowledge of server performance and optimising configurations
• Experience of implementing industry standard security principles across the server and network environment
• Works well in a team and by themselves
• Excellent communication and organisational skills

Responsibilities

• Ensure the efficient and smooth running of the IT Infrastructure
• Establish and maintain processes for monitoring and maintaining server and network performance
• Establish and maintain processes for monitoring and maintaining server and network security
• Support our virtual environment (VMWare/Hyper-V/Azure)
• Maintain server and network infrastructure, including installing, updating, patching, and producing supporting documentation
• Maintain Active Directory (Azure Hybrid), Group Policy, DNS, DHCP, and Exchange Online
• Work with SQL Administrator to ensure optimal performance of database servers
• Ensure all processes for backups and disaster recovery are functioning
• Undertaking IT projects as directed by leadership
• Act as the local senior technical point of contact for the STL office, supporting office connectivity, meeting room technology, printers, scanners, endpoint issues, and local infrastructure needs
• Work with 1st and 2nd line teams to improve escalation quality, documentation, root cause analysis, and repeat issue reduction
• Support our global patching, endpoint management, security tooling, and Microsoft 365 administration for all users and devices.
• Provide 3rd line IT support for all office locations both local and remote locations, including escalation support for complex user, endpoint, infrastructure, network, and security issues.

Skills

Windows Server

Virtualization

AD DS

O365

PowerShell

SQL Server

Backup Technologies

Networking

Security

Firewalls

Tools

VMware

Hyper-V

Azure

IIS Server

Veeam Backup

FortiGate

WatchGuard

Job description

Brand Addition in St. Louis seeks an IT Support Engineer III to deliver 3rd line IT support for local and global infrastructure. You will support servers, networking, endpoints, and office technology, while collaborating with the wider team to maintain secure, reliable systems.

The role requires excellent communication, proactive problem solving, and the ability to work independently or in a team. Candidates should have hands-on experience with Windows Server, virtualization, O365, security