System and Network Administrator — Atlanta, GA

yAe6EeZVP nEt723 TtW. is a leading provider of home services, building brands that support the success of our franchisees, as well as bettering the lives of the homeowners we serve and the people we employ.

The Systems & Network Administrator is responsible for the day-to-day administration, monitoring, maintenance, troubleshooting, and operational support of enterprise systems and network services across corporate, distributed-site, on-premises, and cloud-hosted environments. The role combines hands-on systems administration with network operations to help ensure reliable, secure, and efficient technology services for internal and external users.

The position works within established architectures, standards, security requirements, and configuration patterns. The role gathers requirements and operational evidence, implements approved solutions, maintains documentation, and collaborates with engineering and security teams on new designs, material architecture changes, major topology or segmentation changes, and solutions outside established patterns.

Core Responsibilities

Systems Administration and Server Operations

• Administer and support Windows Server workloads and core infrastructure services across approved physical, virtual, on-premises, Azure, and AWS environments.

• Install, configure, maintain, upgrade, and troubleshoot server software, hardware, operating systems, hosted desktops, and related technology tools.

• Support Active Directory and related directory services, including domain controllers, trusts, DNS, DHCP, Group Policy, authentication dependencies, user accounts, and workstations.

• Support Microsoft 365, Microsoft Entra ID, Intune, Office 365 services, and assigned identity-management activities.

• Execute approved server patching, driver and firmware maintenance, reboots, lifecycle activities, and remediation of failed updates.

• Monitor server health, storage, service availability, scheduled tasks, application services, certificates, and system alerts; resolve routine infrastructure issues.

• Monitor backup and replication jobs, investigate failures or degraded jobs, coordinate remediation, and support recovery workflows.

• Support Hyper-V, IIS, SaaS, and IaaS platforms within assigned operational responsibilities.

• Set up and maintain accounts, workstations, and hosted end-user environments as assigned.

Network Operations and Administration

• Administer and monitor firewalls, switches, wireless access points, WAN circuits, VPNs, SD-WAN, and related network services using approved platforms and standards.

• Perform routine approved configuration changes, software and firmware maintenance, configuration backups, hardware lifecycle tasks, and post-change validation.

• Monitor network health, site connectivity, and performance; respond to outages, degradation, alerts, and user-reported connectivity issues.

• Administer DNS records and other assigned network services within established approval boundaries.

• Maintain network inventories, circuit records, vendor information, support entitlements, licensing, and configuration documentation.

• Provide day-to-day administration and troubleshooting for Fortinet environments, including FortiGate, FortiSwitch, FortiAP, and related management and support workflows.

• Coordinate carrier circuit turn-ups, equipment replacements, site migrations, new-office readiness, structured cabling activities, and approved network refreshes.

• Partner with engineering teams on new network designs, major topology or segmentation changes, and solutions outside established patterns.

Incident Response, Support, and Troubleshooting

• Own troubleshooting and restoration activities for assigned production-system and network incidents from initial diagnosis through documented resolution or escalation.

• Troubleshoot Windows services, wired and wireless connectivity, firewalls, VPNs, DNS, DHCP, routing, switching, authentication, ISP circuits, and hosted infrastructure using logs, monitoring data, packet-level evidence, and vendor diagnostics.

• Respond to and resolve Tier 2 help desk requests and support internal and external users with a strong customer-service orientation.

• Coordinate office and site outage response, implement approved workarounds, maintain stakeholder communications, and drive issues through resolution.

• Open and manage support cases with carriers, managed service providers, cloud providers, software vendors, and hardware manufacturers; coordinate remote hands and on-site technicians when required.

• Participate in root-cause analysis and document impact, findings, recovery actions, and follow-up tasks.

• Participate in the infrastructure on-call rotation and scheduled after-hours maintenance windows.

Security, Reliability, and Operational Governance

• Safeguard systems, networks, and data by following security standards, maintaining current patch levels, and identifying potential threats, vulnerabilities, or unsupported configurations.

• Track SSL/TLS and SSO certificate renewals, expirations, and operational dependencies.

• Use formal change control for production changes and maintain implementation, validation, and rollback plans appropriate to the risk.

• Monitor infrastructure trends, outages, availability, and operational metrics; provide reports and actionable findings as requested.

• Maintain accurate inventories, ownership records, patch schedules, operating procedures, as-built documentation, and decommissioning records.

• Bring material security, resiliency, architecture, segmentation, or standards concerns to the appropriate engineering or security team for review.

Automation, Documentation, and Continuous Improvement

• Build and maintain runbooks, diagrams, troubleshooting guides, site records, configuration standards, and technical documentation in approved repositories.

• Use PowerShell, infrastructure-as-code concepts, or other approved scripting and automation methods to reduce repetitive work and improve consistency.

• Research and evaluate new tools and solutions when requested by management, documenting operational fit, support requirements, risks, and recommendations.

• Develop sufficient expertise to train staff on new technologies and operational procedures.

• Identify recurring issues and recommend automation, monitoring, standardization, process improvement, or engineering review.

• Partner with Help Desk, Infrastructure, Security, Cloud Engineering, Facilities, carriers, and external vendors to resolve issues and deliver approved changes.

Site Support and Deployment Execution

• Coordinate operational readiness for new offices, relocations, refreshes, and equipment replacements using approved designs and standards.

• Validate carrier handoffs, demarcation points, equipment locations, cabling status, site access, and installation schedules.

• Coordinate installation and replacement of approved servers, firewalls, switches, wireless access points, circuits, and supporting infrastructure.

• Execute approved deployment and cutover runbooks, validate service after changes, and maintain as-built documentation.

Qualifications

Required

• 3+ years of hands-on systems administration, network administration, infrastructure support, or comparable experience in a multi-site production environment.

• Hands-on experience administering Windows Server and core Microsoft services, including Active Directory, domain controllers, trusts, DNS, DHCP, Group Policy, and server patching.

• Working knowledge of Microsoft 365, Microsoft Entra ID, Intune, Windows 10 or later, and Office 365 administration.

• Experience supporting physical and virtual servers, hosted desktops, and cloud-hosted workloads; working knowledge of Azure and AWS service models.

• Working knowledge of Ethernet switching, VLANs, subnetting, TCP/IP, NAT, routing fundamentals, firewalls, wireless networking, LAN/WAN services, and site-to-site VPNs.

• Hands-on experience administering enterprise firewalls, switches, and wireless access points; Fortinet experience is strongly preferred.

• Experience with infrastructure monitoring, logging, backup and replication monitoring, certificate lifecycle management, configuration backups, and formal change control.

• Experience troubleshooting production outages and coordinating incidents with carriers, managed service providers, cloud providers, vendors, and on-site technicians.

• Ability to troubleshoot systematically, prioritize competing tasks, document evidence, communicate impact clearly, and engage engineering or security partners with useful technical context.

• Clear written and verbal communication and a strong customer-service orientation.

Preferred

• Bachelor's degree in computer science, information technology, or a related field, or equivalent education and relevant work experience.

• Hands-on experience with FortiGate, FortiSwitch, FortiAP, FortiManager, Fortinet support workflows, and distributed SD-WAN environments.

• Experience with Hyper-V, IIS, IPPBX, SaaS, IaaS, Azure, AWS virtual machines, cloud storage, backup, and monitoring.

• Experience with carrier circuit turn-ups, site migrations, office openings, structured cabling coordination, and equipment refreshes.

• Experience with PowerShell, infrastructure as code, or another scripting and automation language or framework.

• Fortinet certification, Cisco CCNA, Microsoft certification, or a comparable infrastructure credential.

We believe our greatest assets are our employees, we offer competitive salaries and a full benefits package to include, PTO, paid holidays, 401(k) and more.

yAe6EeZVP nEt723 TtW. conducts drug screens and background checks on applicants who accept employment offers. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions however we do not sponsor Visa’s at this time.

yAe6EeZVP nEt723 TtW. is an Equal Opportunity Employer