Find & Apply For Network / Systems Administrator Jobs in Windsor, California

Reports to:

President FLSA Status:

Full time/

Regular/Exempt Location:

Open to Windsor, CA or Larchmont, NY office, with support responsibilities across all sites and remote workers

POSITION SUMMARY

ATPGroup is seeking a hands-on Senior IT Systems Administrator to serve as the organization's on-site IT lead. This role combines Tier 1 and Tier 2 end-user support with day-to-day administration of our Microsoft 365/Azure/AD environment, Windows servers, Meraki network, physical security systems, and user access to our business applications across a multi-site organization with many remote workers. The Senior IT Systems Administrator is the first point of contact for all IT needs and coordinates ATPGroup's IT partners and vendors. This individual must be self-motivated, organized, a strong troubleshooter, and able to own every issue through to resolution, whether resolving it directly or managing it with a vendor.

ESSENTIAL FUNCTIONS

The following reflects management's definition of essential functions for this job but does not restrict the tasks that may be assigned. Management may assign or reassign duties and responsibilities to this job at any time. Systems & Infrastructure Administration

• Administers Microsoft 365 and the Azure/AD hybrid environment, including user accounts, mailboxes, groups, licensing, MFA/SSO, Exchange Online, SharePoint, OneDrive, Teams, Teams Rooms, mail flow, and data retention.
• Manages devices through Microsoft Intune (MDM), and handles the purchase, setup, and maintenance of PCs, laptops, printers, and mobile devices, along with the IT asset inventory and licensing records.
• Administers Windows servers, both cloud-hosted (Azure) and physical, across multiple sites, including Active Directory, DNS, DHCP, Group Policy, patching, and monitoring.
• Maintains and tests the organization's disaster recovery (DR) and business continuity plans.
• Maintains Meraki networking equipment and site-to-site connectivity, troubleshoots LAN/WAN/VPN/wireless issues, and escalates advanced configuration or outages to the network vendor.
• Manages the security toolset, including Bitdefender endpoint protection and Barracuda Email Security, along with the VoIP/softphone system, camera/video security at three (3) locations, and the key fob entry system at one (1) location. Business Applications & Vendor Management
• Provides user setup, permissions, and first-line support for Business Central (and legacy Navision) and Dynamics 365 Sales (CRM), escalating to the Business Central partner and CRM support provider as needed.
• Manages Power BI and Power Platform user access and licensing, and maintains Dataverse reporting data, performing first-level troubleshooting of data, refresh, or flow issues before escalating to the BI/automation contractor.
• Serves as the primary contact for all IT vendors and contractors, deciding when to escalate, tracking vendor tickets to resolution against agreed service levels, and reviewing quotes, invoices, and renewals.
• Recommends upgrades and process improvements to leadership and provides input on IT budget and purchasing. Help Desk & End-User Support
• Uses Zoho ServiceDesk Plus for ticketing and workload management, and provides Tier 1 and Tier 2 support for Windows 10/11 devices, mobile phones and tablets, Microsoft 365, printers, and peripherals, in person, by phone, and via remote tools.
• Executes IT onboarding and offboarding, including accounts, hardware, licenses and application access (including Business Central, CRM, and Power BI), and equipment recovery.
• Trains users on standardized setups and processes, and maintains How-To guides, SOPs, and the SharePoint sites that host them.
• Performs other duties as assigned.

REQUIRED COMPETENCIES

(Knowledge, Skills, Abilities)

• Hands-on administration of Microsoft 365, Azure/AD hybrid identity, Intune, and Windows Server (physical and Azure-hosted), including DNS, DHCP, and Group Policy.
• Experience with endpoint and email security (Bitdefender, Barracuda, or similar) and DR and business continuity planning.
• Working knowledge of multi-site networking (Meraki or similar), including VLANs, VPN, firewalls, and wireless.
• Experience using a help desk/ITSM platform (Zoho ServiceDesk Plus or similar) to manage tickets, priorities, and workload.
• Proven ability to manage vendors and managed service providers: escalating effectively, holding them to service levels, and keeping stakeholders informed.
• Experience supporting ERP and CRM users. Business Central/Navision, Dynamics 365 Sales, Power BI/Power Platform administration, VoIP, physical security systems, SSO, Concur, and Adobe experience a plus.
• Strong customer service, communication, and documentation skills, with the ability to explain technical concepts to non-technical staff.
• Ability to work independently as the organization's sole on-site IT resource and manage competing priorities.

MINIMUM QUALIFICATIONS

• Bachelor's degree in Computer Science, Information Technology, or related field, or equivalent work experience.
• 5+ years of progressive IT experience, including at least 2 years of systems administration in a multi-location environment.
• Hands-on experience with Microsoft 365, Azure/AD, Windows Server, and networking, and with coordinating IT vendors or managed service providers.
• Microsoft 365, Azure, and/or CompTIA (Network+, Security+) certifications desired.

SUPERVISORY RESPONSIBILITIES

This position has no direct reports. It coordinates and oversees the work of contracted IT resources and vendors.

ESSENTIAL PHYSICAL REQUIREMENTS

While performing the duties of this job, the employee must have the ability to work in a constant state of alertness and in a safe manner at all times, and is frequently required to talk and hear; frequent operation of computer and other office equipment, the ability to sit at a workstation for long periods of time, stand, walk, climb stairs, bend, lift, twist, pull, push, carry, grasp, reach and stoop as needed, and to occasionally lift and carry items up to 50 pounds. The ability to see details at close range (within a few feet of the observer).

• Ability to read and understand information and ideas presented in writing.
• Ability to apply general rules to specific problems to produce answers that make sense.
• Ability to tell when something is wrong or is likely to go wrong.
• Ability to listen to and understand information and ideas presented through spoken words and sentences.
• Ability to combine pieces of information to form general rules or conclusions.

WORKING CONDITIONS

The noise level in the office environment is usually quiet to moderate. Work may occasionally require walking to the adjacent warehouse, where there can be more noise and exposure to forklifts and chemicals. Work may on occasion require weekend and/or evening work. Some travel may be required.

Pay:

$100,000.00 per year

Benefits:

401(k) 401(k) matching Dental insurance Health insurance Paid time off Vision insurance Ability to

Commute:

Windsor, CA 95492 (Required)

Work Location:

In person