Linux Systems Engineer

Location: Onsite preferred; Hybrid possible; Office location in Eastern Philadelphia, 19341

Job Type: Full-time

Work Authorization: U.S. Citizen or Green Card

The A.C. Coy Company is currently seeking candidates for a Linux Systems Engineer role. This individual will

be responsible for maintaining and optimizing a Linux-based infrastructure, ensuring high performance and reliability.

Our ideal candidate will have 5+ years of hands-on experience in system deployment, configuration, performance tuning, and hardware management, preferably with CentOS, Oracle Linux, or Red Hat Linux.

Our Client is offering an excellent salary and benefits package, with the opportunity to contribute to the success of an innovative, growing company.

Linux System Administration:

• Expert-level administration of CentOS, Oracle Linux, and other Linux distributions
• Configure, deploy, and manage systems via PXE booting and other network-based methods
• Automate repetitive tasks using shell scripting, or other automation tools

System Performance & Tuning:

• Monitor and analyze system performance, identifying bottlenecks and implementing tuning strategies
• Perform regular system health checks, kernel tuning, and configuration optimizations for performance

Rack and Stack:

• Physically rack, stack, and cable servers, network devices, and related hardware in the datacenter
• Ensure proper cabling and network configuration for efficient system communication

OS & Application Configuration:

• Install, configure, and maintain OS-level applications and services
• Troubleshoot and resolve application and system-related issues
• Provide support for enterprise applications running on Linux environments

Infrastructure Management:

• Work with IT and infrastructure teams to deploy new servers, storage, and networking equipment
• Maintain hardware inventory and ensure optimal usage of physical resources

Security & Compliance:

• Implement and manage security measures such as firewalls, SELinux, and regular patching
• Ensure systems meet security and compliance requirements

Required:

• 5+ years of experience in Linux system administration, preferably with CentOS, Oracle Linux, or Red Hat Linux
• Proficiency in Linux boot processes, including PXE booting
• Hands-on experience with hardware, including server rack and stack operations; Able to interact in a data center
• Strong knowledge of system performance tuning techniques, kernel configurations, and system health monitoring
• Familiarity with networking concepts (TCP/IP, DNS, DHCP) and hardware troubleshooting
• Willingness to work in a data center environment and perform physical tasks (lifting, cabling, etc.)

Preferred:

• Bachelor's degree in Computer Science, Information Technology, or a related field
• Familiarity with Oracle Linux-specific tools and configurations
• Exposure to a variety of Linux distributions
• Experience with virtualization platforms (KVM, VMware) and cloud-based systems
• Knowledge of cloud platforms like AWS, Azure, or Google Cloud
• Experience with VoIP and related platforms (kamailio, freeswitch)