Senior System Administrator

Make a difference with us! At Alliance Defending Freedom, we believe God has brought you here for His purpose—to stand for truth and defend the God-given right to live and speak it. Together, we protect religious freedom, free speech, the sanctity of life, marriage and family, and parental rights. Review our Statement of Faith to ensure we’re a fit for you.

Locations: Scottsdale, AZ

As the Senior System Administrator, you are a vital part of the IT Infrastructure Team. This role will report to the IT Infrastructure Manager and will be responsible for managing our organization’s infrastructure, ensuring its reliability, security, and optimal performance. The ideal candidate will have extensive knowledge and hands‑on experience in Windows domain management, virtualization technologies, Active Directory, cloud platforms (especially Azure), open‑source directory services, servers, and storage technologies, excellent communication skills, and a solid understanding of the IT Infrastructure Library framework.

• Collaborate with cross‑functional teams to design robust, scalable, and secure systems architecture that meets the organization’s requirements, is aligned to industry best practices, and supports its future growth.
• Implement and maintain systems infrastructure, including servers, storage, and virtualization technologies. Ensure smooth deployment, configuration, and integration of hardware and software components.
• Work with the system administration team to proactively monitor system performance, troubleshoot issues, and optimize system resources to ensure high availability and reliability. Develop and test disaster recovery plans to ensure business continuity in the event of system failures or disasters.
• Work closely with the security team to ensure systems meet industry standards and compliance requirements. Implement appropriate security measures and protocols to protect sensitive data and systems from potential threats.
• Create and maintain documentation, including directory services schemas, configuration settings, and standard operating procedures. Prepare reports on system performance, capacity, and system health for management and stakeholders.
• Collaborate with other teams, including developers, system administrators, and network engineers, to ensure seamless integration and efficient system operations. Share expertise and knowledge with team members through training sessions, mentoring, and knowledge‑sharing initiatives.
• Provide technical support and troubleshooting for system‑related issues, working closely with the system administration team, help desk team, as well as end‑users to resolve problems efficiently.
• Manage and maintain the company’s Windows domain infrastructure, ensuring its stability, security, and performance. Administer and optimize Active Directory, including user and group management, security policies, and group policies. Implement and maintain cloud services and platforms, with a particular focus on Microsoft Azure.
• Identify system‑related challenges and proactively propose solutions to enhance efficiency, reliability, and performance. Stay up to date with emerging technologies, industry trends, and best practices to drive continuous improvement and innovation.

• Bachelor’s degree in computer science, information technology, or a related field or equivalent experience. Relevant certifications (e.g., Microsoft Certified Systems Engineer) are a plus.
• 5+ years of System Administrator experience in a mid to enterprise‑size environment.
• Strong knowledge of systems architecture, server networking principles, and virtualization technologies in both a Microsoft and open‑source environment.
• In‑depth knowledge of Windows domain infrastructure, especially Active Directory, Group Policy, and DNS, including installation, configuration, performance tuning, and troubleshooting.
• Cloud platforms, especially Microsoft Azure, including Azure Active Directory, and virtualization technologies such as VMware, Hyper‑V, and KVM.
• Familiarity with open‑source server, directory, and storage systems.
• Experience managing Apache Open Stack, Open Stack,…