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Sr. Associate, System Administration (Linux)

Greenville, Texas

Job ID 19091
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L3Harris is dedicated to recruiting and developing diverse, high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris Technologies is the Trusted Disruptor in the defense industry. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Senior Associate, System Administration (Linux)

Job ID: 19091

Job Location: Greenville, Texas

Job Schedule: (ie 9/80, 4/10, etc…)

Job Description:

We are seeking a dedicated and experienced Level 2 Linux Administrator with Windows Server experience to join our IT team. The successful candidate will be responsible for maintaining, upgrading, and managing our Linux and Windows based infrastructure. The role requires a resourceful individual comfortable working in a fast-paced environment, ensuring our technology infrastructure runs smoothly and efficiently.

Essential Functions:

  • 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.
  • Familiarity / 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.

Qualifications:

  • Active CompTIA Security +
  • Active RHCSA
  • Bachelor’s Degree and a minimum of 2 years of prior related experience. Graduate Degree or equivalent with 0 to 2 years of prior related experience. In lieu of a degree, 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. Certifications such as LPIC, RHCSA, or CompTIA Linux+ are highly desirable.
  • 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.

Preferred Additional Skills:

  • 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.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your résumé for this position, you understand and agree that L3Harris Technologies may share your résumé, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3Harris Technologies is proud to be an Affirmative Action/Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

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