> Markdown version of [/jobs/ext/1249990-senior-systems-administrator](https://www.wearedevelopers.com/jobs/ext/1249990-senior-systems-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Systems Administrator - **Company:** PAVA APPLICATIONS INTERNATIONAL CORP - **Location:** San Diego, CA, United States - **Experience:** Expert - **Salary:** $110,000.0 - $130,000.0 - **Contract:** Permanent contract - **Skills:** Active Directory, Microsoft Azure, Ubuntu (Operating System), CentOS, Software as a Service, Cloud Computing, Information Systems, System Configuration, Linux, Disaster Recovery, Hyper-V, Windows Servers, NetApp Applications, Paessler Router Traffic Grapher, Public Key Infrastructure, Windows PowerShell, Red Hat Enterprise Linux, Azure Active Directory, Ansible, Runbook, Virtual Machines, VMware VSphere, Software Vulnerability Management, Datadog, Scripting, Cloud Platform System, Cloud Monitoring, Pure Storage, Infrastructure Automation Frameworks, Information Technology, Data Management, Hardware Infrastructure, Terraform - **Published:** July 12, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=761f867d6f4c7242 ## About the Role * 5-10 years of progressive systems administration experience, with at least 3 to 4 years in a role with genuine technical ownership * Track record of leading or substantially contributing to infrastructure projects and not just executing tasks * Experience with disaster recovery planning, testing, and documentation * Bachelor's degree in Computer Science, Information Systems, or equivalent experience accepted Core Technical Skills * Azure (primary cloud platform): Virtual Machines, Azure Backup, Azure Monitor, Entra ID / Azure AD Connect, conditional access - hands-on administration, not just console familiarity * On-premises infrastructure: Windows Server 2016-2022 administration; Linux (RHEL/CentOS or Ubuntu) a plus * Virtualization: VMware vSphere/vCenter or Hyper-V in a production environment * Identity: Active Directory forest management, Group Policy, PKI fundamentals * Automation: PowerShell scripting at a production level; Terraform or Ansible experience a strong plus * Monitoring: experience configuring and tuning at least one platform (Azure Monitor, Datadog, PRTG, or similar) Technical Preferences * Microsoft certifications: AZ-104 (Azure Administrator) or AZ-305 (Azure Solutions Architect) - valued but not a gate * Enterprise storage experience (NetApp, Dell EMC, Pure Storage, or similar) * Exposure to security frameworks or compliance programs (SOC 2, HIPAA, NIST) * Experience in a SaaS or software product environment, This position primarily involves computer work in an office environment and may rarely require lifting/moving items up to 50 pounds. ## Description We are looking for a Senior Systems Administrators who will own the design, implementation, and reliability of an organization's core server and cloud infrastructure. The role will handle the most complex technical work in the operations team, mentor junior administrators, lead infrastructure projects, and serve as the senior escalation contact for critical system outages. It bridges individual technical contribution and team leadership., * Architect, implement, and maintain our hybrid infrastructure (on-premises servers and Azure cloud) supporting business-critical SaaS applications * Lead infrastructure projects end-to-end: requirements gathering, design documentation, implementation, testing, and transition to operations * Serve as the primary escalation contact for complex incidents involving servers, storage, identity, and cloud components * Build and maintain automation using PowerShell and infrastructure-as-code tools (Terraform, Ansible) to reduce manual overhead * Manage our identity environment: Active Directory, Azure AD / Entra ID, Group Policy, and conditional access policies * Maintain infrastructure documentation: architecture diagrams, runbooks, change history, and disaster recovery procedures * Lead DR planning and testing: validate RTO/RPO targets, test backup systems, and run periodic tabletop exercises * Participate in security reviews, vulnerability management, and risk assessments * Pitch in across IT as needed as this is a small team and everyone contributes * Other duties as assigned. ## Related Videos - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Debugging in the Dark](https://www.wearedevelopers.com/videos/1658-debugging-in-the-dark) - [Azure-Well Architected Framework - designing mission critical workloads in practice](https://www.wearedevelopers.com/videos/1529-azure-well-architected-framework-designing-mission-critical-workloads-in-practice) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Hacking MSSQL on Cloud. All of them. 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