Sr. Associate, System Administration (Linux)

L3Harris Technologies - Greenville, TX

Full-time - Mid Level

Greenville, TX

Computer and Electronic Product Manufacturing

About the position

The Senior Associate, System Administration (Linux) is a critical role within the IT team, responsible for maintaining and managing both Linux and Windows server infrastructures. This position requires a dedicated individual who can ensure the smooth operation of technology systems in a fast-paced environment, focusing on performance, security, and compliance.

Responsibilities

• Install, configure, and maintain Linux servers and associated software in a multi-platform environment.
• Manage Windows Server infrastructure, ensuring seamless integration and operation with Linux systems.
• Monitor system performance and troubleshoot issues, ensuring high availability and optimal performance of all systems.
• Implement and oversee security protocols, conduct system backups, and ensure data recovery processes are in place.
• Collaborate with network staff to ensure smooth and reliable operation of software and systems for fulfilling business objectives and processes.
• Create and maintain documentation on system configuration, mapping, processes, and service records.
• Review system and application logs and verify completion of scheduled jobs such as backups.
• Apply OS updates, patches, and configuration changes.
• Automate routine tasks using scripting languages such as Bash, Python, or Perl.
• Participate in disaster recovery exercises and actual events.
• Provide technical support and guidance to users and other team members.
• Ensure compliance with internal policies and regulatory standards.

Requirements

• Active CompTIA Security + certification.
• Active RHCSA certification.
• Bachelor's Degree and a minimum of 2 years of prior related experience, or a Graduate Degree with 0 to 2 years of prior related experience, or in lieu of a degree, a minimum of 6 years of prior related experience.
• Bachelor's degree in Computer Science, Information Technology, or related field, or equivalent experience.
• 2-5 years of experience as a Linux Administrator, with hands-on experience managing Windows servers.
• A professional certification in Linux administration is preferred, such as LPIC, RHCSA, or CompTIA Linux+.
• Strong knowledge of networking protocols and services (DNS, DHCP, HTTP/S, SSH, FTP).
• Experience with virtualization technologies and container orchestration tools.
• Proficiency in automation and configuration management using tools like Ansible, Puppet, or Chef.
• Excellent problem-solving and communication skills.
• Ability to work independently and as part of a team.

Nice-to-haves

• Familiarity with virtualization technologies (VMware, Hyper-V, etc.).
• Experience with cloud services such as AWS, Azure, or Google Cloud Platform.
• Familiarity with security compliance and best practices.
• Knowledge of cybersecurity best practices.