Network Administrator

Citizens Trust Bank•Atlanta, GA

About The Position

Citizens Trust Bank is seeking a Network Administrator to support and maintain enterprise infrastructure, including Windows Server, Active Directory, Microsoft Entra ID (Azure AD), endpoint devices, and network systems. The role is responsible for the daily administration, security, and operational support of servers, desktops, mobile devices, and network infrastructure. The administrator will also serve as a technical liaison with managed service providers (MSPs), internet service providers (ISPs), and technology vendors during infrastructure outages and connectivity incidents. The position calls for strong troubleshooting and communication skills and the ability to manage multiple priorities in a fast-paced environment. The role covers Windows Server infrastructure administration; Active Directory, Entra ID, and Microsoft 365 identity management; server hardening and security; network administration; MSP and vendor coordination; Tier I and Tier II desktop and end-user support; and Microsoft Intune and mobile device management. The position is based in Atlanta, Georgia. Citizens Trust Bank describes itself as committed to personalized financial services and to values including integrity, collaboration, innovation, service excellence, respect, accountability, and leadership.

Requirements

Associate's degree in Information Technology, Computer Science, or a related field, or equivalent experience.
At least 3 years of experience supporting Windows Server environments and enterprise networks.
Strong experience administering Active Directory and Microsoft Entra ID (Azure AD).
Hands-on experience creating and troubleshooting Group Policy Objects (GPOs).
Experience designing and maintaining Organizational Unit (OU) structures.
Experience managing Windows workstation environments and providing desktop support.
Experience with mobile device management platforms, preferably Microsoft Intune.
Experience managing or supporting switches, routers, firewalls, VLANs, and wireless networks.
Working knowledge of DNS, DHCP, TCP/IP, VPN, routing, and switching concepts.
Strong troubleshooting, analytical, and problem-solving skills.
Excellent customer service and communication abilities.

Nice To Haves

Microsoft Certified: Azure Administrator Associate.
Microsoft Certified: Windows Server Hybrid Administrator Associate.
CompTIA Network+ certification.
CompTIA Security+ certification.
Cisco CCNA certification.
Experience with VMware and/or Hyper-V.
Experience with PowerShell scripting and automation.
Experience supporting cybersecurity initiatives and vulnerability remediation.
Experience working with Managed Service Providers (MSPs).

Responsibilities

Administer, maintain, and support Windows Server 2016, 2019, and 2022 environments; install, configure, monitor, troubleshoot, patch, upgrade, and tune server infrastructure.
Manage file servers, print services, application servers, shared resources, server health, capacity, event logs, and system performance.
Participate in disaster recovery and business continuity planning, and maintain infrastructure documentation, inventories, and standard operating procedures.
Administer Active Directory users, groups, computers, permissions, Organizational Unit structures, Group Policy Objects, authentication, access controls, password policies, and security groups.
Administer Microsoft Entra ID, Microsoft 365, and hybrid identity environments; support MFA, Conditional Access, identity security controls, onboarding, offboarding, and access management.
Implement Windows Server security best practices and Microsoft security baselines; conduct hardening reviews, remediate vulnerabilities, manage GPO security settings, and support cybersecurity, audit, endpoint security, access management, and compliance activities.
Configure, manage, and troubleshoot Layer 2 and Layer 3 network devices, including switches, routers, wireless access points, and firewalls.
Create, modify, and troubleshoot VLANs; support routing, switching, VPN connectivity, network segmentation, DNS, DHCP, TCP/IP, and network performance.
Monitor network availability, maintain network documentation and diagrams, and coordinate network equipment upgrades, firmware updates, and maintenance.
Maintain relationships with network vendors, telecommunications providers, and MSP partners.
Act as the primary technical contact during system outages and connectivity incidents; coordinate troubleshooting with MSPs, ISPs, telecom providers, and technology vendors, and track escalated infrastructure issues through resolution.
Hold service providers accountable for contractual obligations and SLA commitments; review MSP recommendations and validate technical solutions before implementation.
Assist with infrastructure planning, project execution, and vendor management.
Provide Tier I and Tier II support for desktops, laptops, printers, peripherals, and business applications; troubleshoot hardware, software, operating system, and connectivity issues.
Support Microsoft Office 365 applications, including Outlook, Teams, OneDrive, and SharePoint; deploy and configure workstations and user equipment.
Create and maintain support documentation and knowledge base articles.
Administer Microsoft Intune and MDM platforms; manage mobile device enrollment, provisioning, and lifecycle activities.
Configure device compliance, security policies, and application deployment; support corporate-owned and BYOD devices.
Troubleshoot mobile device enrollment, synchronization, and policy enforcement, and implement mobile security controls including encryption, remote wipe, and access management.