System Administrator/Senior System Administrator

Job Summary

At American Airlines, we are committed to connecting people and improving lives through the power of air travel. We are seeking a skilled and motivated System Administrator or Senior System Administrator to join our dynamic IT Infrastructure team. In this role, you will play a critical part in maintaining and enhancing the performance, security, and reliability of our IT systems across the enterprise. The ideal candidate will have a strong technical background, a proactive mindset, and a passion for solving complex system challenges in a mission-critical environment.

Key Responsibilities

• Administer, maintain, and support the organizations enterprise IT systems including servers, storage, and virtualization platforms.

• Monitor system performance and proactively resolve issues to minimize downtime.

• Manage user accounts, permissions, and access rights in accordance with security policies.

• Implement system upgrades, patches, and configuration changes as needed.

• Maintain detailed documentation for system configurations, procedures, and incidents.

• Provide Tier 2 and Tier 3 support for escalated IT issues.

• Collaborate with cross-functional teams on infrastructure projects and new system implementations.

• Conduct routine system audits and disaster recovery tests.

• Ensure systems are compliant with internal security protocols and external regulatory standards.

• For the Senior System Administrator, additional responsibilities include:

  • Leading project planning and execution for major system upgrades or integrations.

  • Mentoring junior system administrators and serving as a subject matter expert.

  • Assessing system capacity and forecasting infrastructure needs.

Required Skills and Qualifications

• Bachelors degree in Computer Science, Information Technology, or a related field (or equivalent work experience).

• Professional certifications such as Microsoft Certified: Azure Administrator Associate, CompTIA Server+, Red Hat Certified System Administrator (RHCSA), or VMware Certified Professional (VCP) are highly preferred.

• Proficiency in managing Windows and/or Linux server environments.

• Strong understanding of virtualization technologies (VMware, Hyper-V).

• Knowledge of networking fundamentals and protocols (TCP/IP, DNS, DHCP).

• Familiarity with cloud platforms (Azure, AWS, or Google Cloud) is a plus.

• Strong analytical and problem-solving skills.

• Excellent written and verbal communication skills.

Experience

• System Administrator: Minimum of 3+ years of experience in a system administration or IT infrastructure role.

• Senior System Administrator: 6+ years of progressive experience, including leadership on technical projects and mentoring team members.

Working Hours

• Standard full-time schedule: Monday to Friday, 8:00 AM – 5:00 PM.

• On-call rotation and occasional after-hours work may be required for system maintenance or emergency response.

Knowledge, Skills, and Abilities

• Deep understanding of system security and best practices.

• Proven experience in scripting and automation using tools like PowerShell, Bash, or Python.

• Ability to manage multiple tasks and projects in a fast-paced, deadline-driven environment.

• Strong organizational and time management skills.

• Commitment to continuous learning and professional development.

Benefits

• Competitive salary based on experience and qualifications.

• Generous travel privileges for you and your eligible family members.

• Comprehensive health, dental, and vision insurance.

• 401(k) with company match.

• Paid time off, holidays, and sick leave.

• Tuition reimbursement and professional development programs.

• Wellness initiatives and employee assistance programs.

Why Join American Airlines

At American Airlines, you are not just part of a team—you are part of a global family. We believe in investing in our people through development, support, and a culture that fosters innovation and collaboration. You will have the opportunity to work on critical systems that keep one of the worlds largest airlines moving, while enjoying outstanding benefits and the satisfaction of making a difference every day.

How to Apply

Ready to elevate your career?
Submit your application via our careers page at www.aa.com/careers and search for the position title: System Administrator / Senior System Administrator.

Be sure to include your resume, a tailored cover letter, and any relevant certifications. Qualified candidates will be contacted for the next steps in the hiring process.