Job Title: Senior Unix/Linux System Engineer (L3)

Location: Alpharetta, GA (Onsite)
Job Type: Contract

Position Overview

We are seeking an experienced Senior Unix/Linux System Engineer to support enterprise infrastructure operations in Alpharetta, GA. The ideal candidate will have strong hands-on expertise in advanced Unix/Linux administration, system maintenance, network services, performance monitoring, and troubleshooting.

This role requires a technically strong professional who can independently handle support activities, resolve complex infrastructure issues, and contribute to the stability, availability, and security of enterprise systems.

Key Responsibilities

• Provide advanced Level 3 administration and technical support for Unix/Linux environments.

• Manage, maintain, and troubleshoot enterprise Unix/Linux servers and operating systems.

• Configure, support, and troubleshoot network protocols and services, including TCP/IP, NFS, NIS, DNS, and DHCP.

• Monitor system health, resource utilization, and performance; identify and resolve infrastructure issues.

• Administer time synchronization services using NTP, Time Keeper, or related technologies.

• Develop, maintain, and optimize Shell scripts to automate routine administration and operational tasks.

• Use Perl and/or Python to develop scripts and tools for system management and troubleshooting.

• Support and maintain Infoblox DDI infrastructure for DNS, DHCP, and IP address management.

• Administer and troubleshoot high-availability environments using Veritas Cluster Server (VCS) and Veritas InfoScale.

• Work closely with infrastructure and operations teams to improve system stability, availability, and security.

• Perform root-cause analysis and implement corrective actions for recurring technical issues.

Required Qualifications

• Proven hands-on experience performing Level 3 Unix/Linux system administration.

• Strong background supporting Unix/Linux platforms in large-scale enterprise environments.

• Solid understanding of TCP/IP networking, NFS, NIS, DNS, and DHCP.

• Practical experience with system monitoring, performance analysis, incident resolution, and troubleshooting.

• Knowledge of NTP, Time Keeper, or other time synchronization technologies.

• Strong Shell scripting skills for automation and operational support.

Preferred Qualifications

• Experience with Perl and/or Python scripting for infrastructure administration.

• Practical experience with Infoblox DDI solutions.

• Familiarity with Veritas Cluster Server (VCS) and Veritas InfoScale technologies.

• Red Hat Enterprise Linux (RHEL) certification is an advantage.

• Strong analytical thinking, problem-solving abilities, and troubleshooting skills.

• Ability to work independently on complex technical issues and collaborate effectively with cross-functional teams.

Candidate Profile

We are looking for a hands-on Unix Administrator with strong troubleshooting capabilities and practical experience managing enterprise Unix/Linux systems. Candidates should be comfortable handling complex technical issues rather than focusing solely on coordination or supervisory activities.