Job Description
We are seeking a highly skilled Senior System Administrator to join our elite IT operations team in Long Beach. As a key member of Horizon Systems, you will be responsible for designing, implementing, and maintaining our complex IT infrastructure. We pride ourselves on innovation and stability, offering you the chance to work with cutting-edge technologies in a dynamic environment. If you are a proactive problem solver with a passion for cloud architecture and network security, we want to hear from you.
Why Join Us?
- Competitive salary and comprehensive benefits package.
- Flexible work arrangements and professional development opportunities.
- State-of-the-art office located in the heart of Long Beach.
Your Mission:
Ensure 99.9% uptime for our critical systems, lead technical migrations, and mentor junior staff in best practices for server management and cloud security.
Responsibilities
- Design, deploy, and manage on-premise and hybrid cloud infrastructure (AWS/Azure) to ensure high availability and scalability.
- Configure and maintain Linux and Windows Server environments, including Active Directory, DNS, DHCP, and file sharing services.
- Implement and monitor security protocols, firewalls, and intrusion detection systems to protect corporate data.
- Lead the planning and execution of system upgrades, patches, and disaster recovery drills.
- Troubleshoot complex network issues, hardware failures, and application bottlenecks with minimal downtime.
- Collaborate with development teams to optimize database performance and application deployment pipelines.
Qualifications
- Minimum of 5 years of experience as a System Administrator or in a similar IT role.
- Strong expertise in Linux (RHEL/CentOS) and Windows Server administration.
- Experience with Cloud Platforms (AWS, Azure, or Google Cloud) and containerization (Docker/Kubernetes).
- Proficiency in scripting languages such as Bash, PowerShell, or Python for automation tasks.
- Certifications such as CompTIA Security+, RHCE, or VCP are highly preferred.
- Deep understanding of network protocols (TCP/IP, VLANs) and virtualization technologies (VMware, Hyper-V).
- Excellent verbal and written communication skills with the ability to present technical concepts to non-technical stakeholders.