Senior System Administrator (tier 3 sys admin)
On-siteInformation TechnologyFull-time
Responsibilities
- Manage and maintain essential customer IT operations—servers, security tools, operating systems, backups, applications, and devices.
- Design, deploy, and troubleshoot Windows Server 2012/2016/2019/2022 environments.
- Administer and support Microsoft 365, Google Workspace, and other cloud email solutions.
- Configure and manage VMware and Hyper-V virtual environments, including VMs, storage, compute, and memory.
- Design, configure, and troubleshoot Active Directory forests, domains, and advanced Group Policies.
- Provide expert-level troubleshooting for DNS, DHCP, File, Print, Web, and Domain Controller services.
- Configure and optimize Azure AD, cloud resources, and virtual environments.
- Diagnose advanced issues with TCP/IP, DNS, DHCP, and coach junior engineers.
- Design and configure RAID, server hardware, and storage solutions (SAN/NAS).
- Serve as Tier 3 escalation, leading root‑cause analysis and resolution for complex incidents.
- Manage large, high-impact IT projects independently.
- Participate in an on-call rotation and respond to service requests across phone, chat, email, and ticketing systems.
- Maintain strong communication and exceptional customer satisfaction.
Requirements
- 8+ years in Information Technology with strong System Administration experience.
- Excellent communication skills and a collaborative, team-first mindset.
- Strong customer-facing experience.
- CompTIA Security+, Server+ (or equivalents)
- VMware VCXD
- Microsoft 365 Expert Administrator (MS‑102)
- Cloud certification: AWS, Azure, or Google Cloud Architect
- Expert knowledge of Windows Server and Active Directory (OUs, Users, Groups, GPOs, FSMO roles).
- Extensive hands-on experience with VMware or Hyper-V.
- Strong hardware/software RAID skills.
- Advanced troubleshooting aligned to the OSI model.
- Expert knowledge of:
- Microsoft 365
- Google Workspace
- Azure AD
- Azure or AWS virtual environments
- LAN/WAN, VLAN, VPN
- Backup systems (Datto, Veeam, StorageCraft)
- SAN/NAS storage
- Endpoint security solutions
- Advanced PowerShell skills
- Advanced knowledge of Linux or Apple iOS
- Valid driver’s license & reliable transportation
Qualifications
- Bachelor's degree in Computer Science, Information Technology, or related field.
- Proven track record of success in IT management and administration.
- Experience with network infrastructure, including LAN/WAN, VLAN, and VPN.
- Familiarity with backup systems such as Datto, Veeam, and StorageCraft.
- Experience with SAN/NAS storage solutions.
- Knowledge of endpoint security solutions.
- Strong problem-solving and analytical skills.
Skills
- Proficient in Windows Server 2012/2016/2019/2022.
- Skilled in VMware and Hyper-V virtualization technologies.
- Experienced with Microsoft 365 and Google Workspace.
- Expertise in Active Directory and Group Policy Management.
- Advanced troubleshooting skills aligned to the OSI model.
- Strong knowledge of Linux or Apple iOS.
- Advanced PowerShell scripting.
- Strong understanding of LAN/WAN, VLAN, and VPN configurations.
- Extensive experience with backup systems and SAN/NAS storage.
- Expert knowledge of endpoint security solutions.
Benefits
- Paid Time Off
- Sick Days
- Paid Holidays
- 401k match + Pension
- Full Medical, Dental & Vision + HSA
- Mental health care coverage
- Life Insurance
- Local Volunteer Opportunities
Pay
- Competitive salary based on experience and qualifications.
Schedule
- Hybrid work schedule with some travel required.