Network Administrator

Citizens Trust Bank•Atlanta, GA

About The Position

Citizens Trust Bank is seeking a highly skilled and motivated Network Administrator to support and maintain its 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 act as a technical liaison with managed service providers, internet service providers, and technology vendors during 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 includes Windows Server administration and maintenance; Active Directory, Entra ID, and Microsoft 365 identity management; server hardening and cybersecurity support; enterprise network administration; MSP and vendor coordination; Tier I and Tier II desktop support; and mobile device management using platforms such as Microsoft Intune. The position is based in Atlanta, Georgia.

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, monitor, and troubleshoot Windows Server 2016, 2019, and 2022 environments, including patching, upgrades, maintenance, performance tuning, and server health and capacity monitoring.
Manage file servers, print services, application servers, and shared resources; participate in disaster recovery and business continuity planning; and maintain infrastructure documentation, inventories, and operating procedures.
Administer Active Directory users, groups, computers, permissions, OU structures, GPOs, 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.
Apply 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, monitor, and troubleshoot enterprise network infrastructure, including Layer 2 and Layer 3 switches, routers, wireless access points, firewalls, VLANs, VPNs, and network segmentation.
Troubleshoot DNS, DHCP, TCP/IP, routing, switching, connectivity, and network performance issues; maintain network availability, documentation, and diagrams; and coordinate equipment upgrades, firmware updates, and maintenance.
Maintain relationships with network vendors, telecommunications providers, and MSP partners; serve as the primary technical contact during system outages and connectivity incidents; coordinate and track issues through resolution; and hold providers accountable for contractual 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; and support Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint.
Deploy and configure workstations and user equipment and create and maintain support documentation and knowledge base articles.
Administer Microsoft Intune and other MDM platforms; manage mobile device enrollment, provisioning, lifecycle, compliance, security policies, and application deployment for corporate-owned and BYOD devices.
Troubleshoot mobile device enrollment, synchronization, and policy enforcement; implement mobile security controls including encryption, remote wipe, and access management.