Overview

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.

Responsibilities

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

Qualifications

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)

A.C. Coy jobs

Linux Systems Engineer

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