Systems Administrator

Zeiders Enterprises, Inc.•Woodbridge, VA

3d•$60,000 - $70,000

About The Position

As a member of the Information System Division (ISD) team, the Systems Administrator provides Tier 2 support for enterprise infrastructure, including servers, cloud platforms, endpoint management systems, and security tools. The role administers Active Directory, Intune, on-premises and Azure server environments, and enterprise services, with responsibility for system availability, performance, and security. It supports escalated incidents, maintains infrastructure, and implements best practices. The position also provides end-user and service desk support; manages accounts, endpoints, servers, network and security services, storage, backups, databases, and virtual environments; performs patching and system maintenance; and works with vendors. It maintains operational documentation and communicates infrastructure health and risks to stakeholders. This role has no supervisory responsibilities.

Requirements

U.S. citizenship.
Bachelor’s degree in information technology or equivalent experience.
4–5+ years of experience in systems administration or infrastructure support.
Experience with Microsoft 365, Azure, Intune, Active Directory, and servers.
Experience with virtualization, endpoint management, and security tools.
Strong written and verbal communication skills.
Ability to manage multiple high-priority tasks in a fast-paced environment.
Strong troubleshooting skills across infrastructure and systems.
Ability to work independently and collaboratively.
Strong documentation and process improvement mindset.
Effective communication with technical and non-technical audiences.
Must be self-directed and able to work independently.

Nice To Haves

Experience in enterprise or government environments.
Certifications such as CompTIA Security+, Network+, or Microsoft/Azure certifications.
Experience with virtualization and cloud platforms.

Responsibilities

Acknowledge, triage, route, and resolve incidents and requests through the ticketing system, and provide Level 2 support for escalated incidents.
Diagnose and resolve hardware, software, operating system, and application issues; provide remote support and vendor access for maintenance and updates.
Support Microsoft Office, email systems, OneDrive, and SharePoint access, including providing terminated employees access to email or OneDrive upon manager request.
Perform system setups, device wipes, equipment deployment and recovery, software distribution and updates, and data and file recovery.
Deliver clear communication and high-quality customer service.
Manage Active Directory users, groups, organizational units, Group Policy Objects, and account provisioning, modification, and deactivation in accordance with policies.
Manage SharePoint permissions and access rights and support DUO multifactor authentication issues.
Administer Microsoft Intune policies, templates, and configurations; package, image, and deploy devices; manage endpoint compliance and security policies; and support mobile device lifecycle management.
Maintain and issue property agreements and user accountability documentation.
Build, configure, harden, and deploy physical and virtual servers; maintain Windows and Linux file, print, application, and RDS servers; and manage Azure virtual machines and on-premises infrastructure.
Monitor CPU, memory, disk, and hardware performance; configure system and application monitoring thresholds; perform server decommissioning; and maintain server room infrastructure and cabling.
Perform operating system patching through WSUS and Intune using test rings, apply patches during maintenance windows or as needed, and manage third-party application patching.
Respond to server and service alerts; investigate and remediate EDR/AV detections; respond to Darktrace security alerts; and support system hardening and security compliance initiatives.
Support Aerohive/Extreme Networks wireless infrastructure and Level 2 printing services; manage SFTP and file-sharing services; and support NAC, posture checks, segmentation, and rogue-device detection.
Provide secure remote access for users and vendors; maintain site-to-site and remote access VPNs and monitor uptime.
Manage storage systems, backups, and replication; perform backup validation and recovery operations; and support database management activities.
Administer vSphere and Azure virtual environments and support deployment, maintenance, and optimization of virtual systems.
Work with vendors on support, renewals, and maintenance; communicate infrastructure health and risks to stakeholders; develop and maintain runbooks, SOPs, and documentation; and maintain accurate system and incident records.