Systems Administrator Job Description Template (Free, 2026)

Job Title: Systems Administrator [Junior / Mid-Level / Senior] Department: IT / Infrastructure Location: [City, State] / Hybrid Reports To: IT Manager / Director of Infrastructure Employment Type: Full-Time About [Company Name] [Company Name] is a [stage/sector] company with a [X]-person organization supported by a [Windows / Linux / mixed] infrastructure environment. Our IT and infrastructure team ensures the reliability, security, and scalability of systems used by every employee and customer-facing service. We value automation, documentation, and proactive maintenance over reactive firefighting. About the Role We're looking for a Systems Administrator to manage and maintain our server, storage, virtualization, identity, and cloud infrastructure. You will be responsible for the reliability and performance of systems that support [X] users and [X] servers/VMs. You will have the opportunity to automate routine tasks, contribute to cloud migration projects, and grow toward a DevOps or cloud engineering role over time. Key Responsibilities • Administer and maintain [Windows Server / Linux] infrastructure: patching, updates, security hardening, and performance tuning • Manage identity and access: Active Directory / Entra ID, group policies, SSO (Okta, Azure AD), MFA enrollment • Administer virtualization platforms: [VMware vSphere / Hyper-V / Nutanix] including VM provisioning and capacity management • Monitor infrastructure health with [Datadog / Nagios / Zabbix / CloudWatch]; respond to alerts and resolve incidents • Manage cloud infrastructure on [AWS / Azure / GCP]: compute, storage, networking, and cost optimization • Implement and maintain backup and disaster recovery systems; test recovery procedures regularly • Automate operational tasks using PowerShell, Bash, Python, or Ansible to reduce manual toil • Support endpoint management: [Microsoft Intune / Jamf / SCCM] for device provisioning, policy enforcement, and patching • Maintain IT asset inventory, licensing records, and infrastructure documentation • Provide L2/L3 escalation support for helpdesk issues; participate in on-call rotation Required Qualifications • [3]+ years of systems administration experience in a corporate environment • Proficiency administering [Windows Server / Linux — specify mix] at the OS, service, and storage level • Hands-on experience with Active Directory / Entra ID user and group management • Working knowledge of virtualization (VMware ESXi, Hyper-V, or cloud-native VMs) • Experience with cloud platforms (AWS EC2/S3/IAM, Azure VMs/Entra/Storage, or GCP) • Scripting ability in PowerShell or Bash for automation tasks • Understanding of backup technologies and disaster recovery best practices Nice to Have • Infrastructure-as-code experience (Terraform, Ansible, Pulumi) • Microsoft 365 / Exchange Online / SharePoint administration • Experience with zero-trust or conditional access policy implementation • CompTIA Server+, MCSA, RHCSA, or cloud certifications (AWS SysOps, Azure Administrator) What We Offer • Competitive salary: $[low]–$[high]/year (see benchmarks below) • Equity: [X]% stock options / RSUs • Health, dental, and vision insurance (100% employer-paid for employee) • Flexible PTO + [X] company-wide holidays • On-call compensation: [cash / TOIL policy] • Learning & development budget: $[X]/year including certification exam fees • [Additional perk — wellness stipend, etc.] Salary Range: $70,000–$120,000/year (US, 2026 benchmark; exact offer commensurate with experience) [Company Name] is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.