Systems and Network Administrator

*This role is on-site at our Norwell, MA Office*

Position Summary

The Systems and Network Administrator is responsible for the reliable operation, security, and performance of the organization’s IT infrastructure. This role manages servers, networks, and related systems, ensuring availability, integrity, and scalability while supporting business operations and

users across the organization.

Key Responsibilities

Systems Administration

• Install, configure, maintain, and support Windows and/or Linux servers (on-premises and cloud-based)
• Manage Active Directory, Group Policy, DNS, DHCP, and file/print services
• Monitor system performance, capacity, and uptime; proactively identify and resolve issues
• Manage system backups, disaster recovery processes, and business continuity plans
• Apply patches, updates, and security fixes across server and endpoint environments

Network Administration

• Administer and support LAN, VPN, SD-WAN (Meraki) and wireless networks
• Configure and maintain routers, switches, firewalls, and network security appliances
• Monitor network performance, availability, and security (PRTG, Remote Manager, ConnectWise)
• Troubleshoot connectivity issues and coordinate with ISPs and vendors as needed
• Maintain network documentation, diagrams, and configurations

Security & Compliance

• Implement and enforce security best practices, including user access controls and least-privilege principles
• Monitor systems for security threats and respond to incidents
• Support compliance efforts related to cybersecurity, data protection, and internal controls
• Participate in regular security assessments and audits

User & Application Support

• Support enterprise applications, including collaboration, email, and productivity platforms
• Assist with escalated technical issues from the help desk
• Partner with business teams to support technology needs and improvements

Project & Vendor Support

1. Participate in infrastructure upgrades, system migrations, and technology projects
2. Evaluate and recommend hardware, software, and service solutions
3. Work with third-party vendors for implementation and ongoing support

Required Qualifications

• Bachelor’s degree in Information Technology, Computer Science or equivalent experience
• 5-7+ years of hand-on experience multi-site or distributed systems and network administration

Strong knowledge of:

•  Windows Server environments and Active Directory
• Networking fundamentals (TCP/IP, VLANs, routing, firewalls)
• Backup, disaster recovery, and system monitoring tools
• Experience supporting virtualized environments (VMware, Hyper-V at branch scale, Azure VM)
• Strong troubleshooting, documentation, and communication skills

Preferred Qualifications

• Experience with cloud platforms (Microsoft Azure, AWS, or similar)
• Familiarity with Microsoft 365 administration
• Security certifications or experience (e.g., firewall management, MFA, endpoint security)
• Experience with Veeam, Azure backup
• Relevant certifications such as:
• Microsoft, Cisco (CCNA), CompTIA Network+, Security+, or similar

Core Competencies

• Strong attention to detail and operational discipline
• Ability to prioritize and manage multiple tasks
• Clear communication with both technical and non-technical stakeholders
• Proactive, problem-solving mindset
• High level of professionalism and discretion

Working Conditions

• Regular on-call rotation. Occasional travel to stores for hands-on work or new store build out  

Benefits:

• Health Insurance- including Medical, Vision, and Dental
• Life and Disability Insurance
• Paid Holidays, Personal Time, and Vacation Time
• Discounted Services
• Employee Owned! ESOP - Employee Stock Ownership Plan
• Flexible Spending
• 401(k) with Company Match

EEO STATEMENT

Sullivan Tire and Auto Service is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law.

Our company motto is “Treat everyone, customers, and fellow employees, as you would a member of your family." Come and join our family!