IT Systems Administrator

Haffner's•Lawrence, MA

About The Position

We are seeking an end-user focused, and proactive IT System Administrator with deep expertise in Microsoft technologies to manage, maintain, and optimize our IT infrastructure across a multi-site organization with 1,000+ endpoints. This role is critical to ensuring the reliability, security, and performance of our systems, with a strong focus on Microsoft 365, Windows Server/Azure/HyperV, Entra/Active Directory, Meraki Networks, Kaysea RMM and daily operations including monitoring, networking, security operations, and automation. Collaborate closely with the IT team to deliver reliable end-user support and infrastructure outcomes, mentor desktop/support technicians through troubleshooting and best practices, and partner with Senior Engineers and Architects on design reviews, escalations, and the implementation of new Microsoft-based solutions and standards. At Haffner's, we're more than a company – we're a family. As a prominent wholesale fuel distributor in New England, we've established a strong presence, managing 72 gas stations, convenience stores, car washes, and food service locations. Our renowned Haffner's brand operates across Massachusetts, New Hampshire, and Maine. We go beyond fuel distribution, offering heating oil, propane, and HVAC services to 45,000 customers across the region. Our commitment to integrity and safety is unwavering; it's in everything we do. We prioritize building relationships and consistently doing the right thing. Our culture thrives on growth, innovation, and excellence. As a part of our team, you'll contribute to our ongoing success, embracing the core values of "Fueled by Family," "Always do the right thing," and "Safety...In everything we do."

Requirements

Proven experience as a System Administrator or similar role in a Microsoft-centric, multi-site environment.
Strong knowledge of Microsoft 365, Windows Server, Active Directory, and Azure/Entra ID in a hybrid configuration.
Hands-on experience with hybrid identity administration including AD Connect, conditional access, and GPO management.
Demonstrated experience managing endpoints at scale using Intune, SmartDeploy, Autopilot, and patch management tooling.
Proficiency in PowerShell scripting for automation and administration.
Strong familiarity with networking fundamentals (TCP/IP, DNS, firewalls, VPNs, SSL/TLS certificates).
Experience with Cisco Meraki network administration including dashboard management, VLAN configuration, and wireless deployment.
Experience with security operations including endpoint protection, alert investigation, and phishing response.
Excellent problem-solving and communication skills.
BS/BA in Computer Science, Information Technology, System Administration, or a related field, or equivalent experience.
Relevant industry certifications such as Microsoft Certified Systems Administrator (MCSA), CompTIA Network+, Cisco Certified Network Associate (CCNA), etc.
3+ years of experience in system/network administration.
Proven experience in managing and troubleshooting server and network environments.
Strong background in IT security practices and data management.
Experience with monitoring platforms such as PRTG.
Familiarity with RMM tools such as Kaseya VSA X.
Experience with FortiGate firewall administration.
Knowledge of cloud security best practices.
Familiarity with ITIL or other service management framework.
Strong team fit is essential.

Nice To Haves

Python experience
Relevant certifications (e.g., AZ-104, MS-102, SC-200, CCNA)

Responsibilities

Administer and support Microsoft 365 services including Exchange Online, SharePoint, Teams, and Intune.
Manage hybrid identity infrastructure across on-premises Active Directory and Entra ID, including AD Connect synchronization, conditional access policies, and Group Policy.
Maintain and troubleshoot DNS/DHCP configurations across internal and external providers including Cloudflare.
Manage endpoint lifecycle at scale using Microsoft Intune, SmartDeploy, Autopilot, compliance policies, and configuration profiles.
Administer and maintain Cisco Meraki networking infrastructure including switches, wireless access points, and security appliances across multiple sites.
Implement and maintain endpoint security using Microsoft Defender for Endpoint, and coordinate incident responses for security alerts.
Conduct security awareness initiatives including phishing simulations via Microsoft Attack Simulator.
Support SIEM operations including Microsoft Sentinel log ingestion, alerting, and tuning.
Manage and maintain monitoring infrastructure (PRTG), RMM tooling (Kaseya VSA X), and firewall administration (FortiGate).
Develop and maintain PowerShell and Python scripts for automation, reporting, bulk administration, and compliance workflows.
Support virtualization platforms (Hyper-V or VMware) and storage systems including Azure Stack HCI.
Collaborate with IT leadership on infrastructure upgrades, cloud migrations, and disaster recovery planning.
Provide Tier 2/3 support for escalating technical issues across a multi-site environment.
Document system configurations, procedures, and troubleshooting steps.