Senior Linux Administrator

Infosys McCamish Systems; Atlanta (GA); On-site; USD 120,000 - 180,000; Full time

Job summary

Infosys BPM Limited is seeking an experienced infrastructure professional to administer enterprise Unix/Linux environments, storage and virtualization. You will upgrade OS, harden systems, provision storage, and automate tasks using Ansible and Python.

The role supports hybrid and high-availability workloads and requires strong networking and security knowledge. Collaborate with DevOps and application teams to align infrastructure with business needs, maintain comprehensive documentation, and

Qualifications

• Bachelor’s degree in computer science, IT, or related field.
• 8+ years of Unix/Linux administration, storage and virtualization experience.
• Storage technologies (EMC, NetApp, Hitachi) advantageous.
• Strong knowledge of networking protocols and security practices.
• Proficiency in Unix/Linux administration and virtualization platforms.
• Experience with backup and replication tools.

Responsibilities

• Administrate Unix/Linux server environments (RHEL, Solaris, etc.).
• Perform OS upgrades, patching, and system hardening.
• Configure shares and manage storage provisioning.
• Automate system tasks using shell scripting (Ansible, Python, etc.).
• Plan and execute virtual infrastructure upgrades, migrations and capacity expansions.
• Optimize VM performance, resource allocation and high availability.
• Implement and manage virtual networking, storage integration, and VM backups.
• Ensure compliance with licensing, security, and operational standards in virtual environments.
• Collaborate with application and DevOps teams to support containerization and hybrid workloads.
• Maintain documentation for architecture, configurations and procedures.
• Ensure compliance with data security and regulatory standards.

Skills

Unix/Linux administration

Storage administration

Virtualization

Networking knowledge

Security practices

Backup and replication tools

Project leadership

Education

Bachelor’s degree in computer science or information technology

Tools

Ansible

Terraform

Job description

This role is responsible for administrating and managing enterprise-grade infrastructure across Unix/Linux systems, storage, and virtualization platforms. The admin ensures high availability, performance, scalability, and security across all layers of the IT infrastructure.

Key Responsibilities:

• Build and maintain Unix/Linux server environments (RHEL,SOLARIS, etc.).
• Perform OS upgrades, patching, and system hardening.
• Configure shares and manage storage provisioning.
• Automate system tasks using shell scripting (Ansible, Python, etc.).
• Plan and execute virtual infrastructure upgrades, migrations, and capacity expansions.
• Optimize virtual machine performance, resource allocation, and high availability.
• Implement and manage virtual networking, storage integration, and VM backups.
• Ensure compliance with licensing, security, and operational standards in virtual environments.
• Collaborate with application and DevOps teams to support containerization and hybrid workloads.
• Work with cross-functional teams to align infrastructure with business needs.
• Maintain documentation for architecture, configurations, and procedures.
• Ensure compliance with data security and regulatory standards.

Required Qualifications:

• Bachelor’s degree in computer science, Information Technology, or related field.
• 8+ years of experience in Unix/Linux administration, storage and virtualization.
• Added advantages in storage technologies (EMC, NetApp, Hitachi).
• Strong knowledge of networking protocols and security practices.
• Proficiency in Unix/Linux administration and virtualization platforms.
• Experience with backup and replication tools.

  Preferred Skills:

  • Experience with automation tools (Ansible, Terraform).
  • Strong analytical, troubleshooting, and communication skills.
  • Ability to lead projects and work with junior engineers.

  Who We Are:

  Infosys BPM Limited, a wholly owned subsidiary of Infosys Limited (NYSE: INFY), provides end-to-end transformative business process management (BPM) services for its clients across the globe. The company’s integrated IT and BPM solutions approach enables it to unlock business value across industries and service lines, and address business challenges for its clients. Utilizing innovative business excellence frameworks, ongoing productivity improvements, process reengineering, automation, and cutting‑edge technology platforms, Infosys BPM enables its clients to achieve their cost reduction objectives, improve process efficiencies, enhance effectiveness, and deliver superior customer experience.

  Infosys BPM has 38 delivery centers in 13 countries spread across 5 continents, with 60,966 employees from 104 nationalities, as of September, 2025.

  The company has been consistently ranked among the leading BPM companies globally and has received over 60 awards and recognitions in the last 5 years, from key industry bodies and associations like the Outsourcing Center, SSON, and GSA, among others. Infosys BPM also has very robust people practices, as substantiated by the various HR-specific awards it has won over the years. The company has consistently been ranked among the top employers of choice, on the basis of its industry leading HR best practices. The company’s senior leaders contribute widely to industry forums as BPM strategists.

  EOE/Minority/Female/Veteran/Disabled/Sexual Orientation/Gender Identity/National Origin

  Infosys is an equal opportunity employer, and all qualified applicants will receive consideration without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, spouse of protected veteran, or disability.