Sr. IT Systems Engineer

Leslie's Pool Supplies is the world's largest retailer of swimming pool supplies, operating over 1,000 retail stores in 39 states plus PRO, Service, E-Commerce, Production, and Distribution divisions. With more than 60 years of experience, we value the development and growth of our team, aiming to create a positive, fun atmosphere where members feel valued and contribute to success.

Note: This position is based at our corporate office in Phoenix, AZ, follows a hybrid work schedule, and is not open to agency submissions. Remote work is not available. Candidates must reside within commuting distance and be authorized to work in the United States without need for visa support. Relocation assistance is not provided.

The Sr. IT Systems Engineer leads the IT Systems team, administering, maintaining, and optimizing enterprise-level systems—including SQL databases, Linux servers, Windows/VMware environments, and cloud infrastructure. The role collaborates with IT Leadership to design system architectures, plan and lead IT infrastructure projects, and mentors junior team members.

• Manage, monitor, and optimize SQL Server databases for availability, performance, and data integrity.
• Design and implement backup, recovery, and disaster recovery strategies for server and SQL environments.
• Perform database upgrades, migrations, and security patching.
• Manage Linux servers, ensuring performance, uptime, and security.
• Perform software installations, upgrades, patch management, and system configuration.
• Automate tasks using shell scripting and automation tools.
• Monitor system health, troubleshoot issues, and optimize performance.
• Maintain and administer Windows server environments, including Active Directory and associated services.
• Oversee VMware virtualization infrastructure to ensure efficient resource utilization and availability.
• Perform system upgrades, patching, and troubleshooting across Windows and VMware platforms.
• Manage cloud-based environments (Azure, OCI, GCP, AWS), ensuring scalability, performance, and security.
• Design and advise on cloud architecture in Azure, GCP, AWS, and OCI.
• Deploy and manage cloud services, including VMs, storage, and networking.
• Collaborate on cloud migration strategies and implementations.
• Monitor and optimize cloud infrastructure costs and performance.
• Serve as subject‑matter expert across system administration disciplines.
• Mentor and provide guidance to junior administrators.
• Collaborate with cross‑functional teams to design and implement IT solutions aligned with business goals.
• Participate in incident management and root cause analysis for outages.
• Develop and maintain system documentation, including configuration details, operational procedures, and troubleshooting guides.
• Provide after‑hours support for critical issues and scheduled maintenance.

• Bachelor’s degree in Computer Science, Information Technology, or related field, or equivalent experience.
• 7–10 years of systems administration experience across Windows/VMware, SQL, Linux, and cloud environments.
• Proven expertise with Windows Server and VMware virtualization platforms.
• Strong expertise in SQL Server administration, including performance tuning, backups, and migrations.
• Experience managing Linux operating systems (Red Hat, Ubuntu) and scripting automation.
• Hands‑on experience with cloud platforms Microsoft Azure, OCI, GCP, or AWS.
• Experience managing hybrid environments and migrations from on‑prem to cloud.
• Familiarity with infrastructure automation tools (Power Shell, Ansible, Terraform) is a plus.
• Strong problem‑solving, analytical, and troubleshooting skills.
• Excellent communication skills and ability to mentor and collaborate across teams.

• Comprehensive medical, pharmacy, dental, and vision plan options.
• Health savings account with enrollment in a high‑deductible health plan option.
• Health and dependent care flexible spending accounts.
• Company‑paid basic life and AD&D insurance.
• Voluntary supplemental life insurance.
• Company‑paid short‑term disability and voluntary long‑term disability insurance.
• Pre‑tax and Roth 401(k) with company match.
• Paid vacation, sick, and bereavement leave.
• Paid holidays, including a floating personal day.
• Employee assistance and wellness programs.
• Earned wage access for early wage access before payday.
• Product discounts at Leslie’s Retail stores.

Leslie’s recognizes the importance of a strong people culture and is committed to diversity and inclusion, valuing ideas from diverse backgrounds to build an outstanding team.