Systems Administrator - Linux

Position Overview

We are looking for an experienced and dedicated Linux Administrator to join our IT Infrastructure team. The candidate will be responsible for managing, securing, and optimizing Linux-based systems across a mission-critical environment. This role requires strong technical expertise, problem-solving skills, and the ability to support operations in a 24x7 environment with rotational shifts and on-call responsibilities

Key Responsibilities

• Install, configure, and maintain Linux servers (RHEL, CentOS, Ubuntu, etc.)
• Perform system administration tasks including user management, permissions, and system hardening
• Monitor system performance and ensure high availability, reliability, and security
• Manage patching, updates, and vulnerability remediation
• Implement and maintain backup and disaster recovery procedures
• Manage storage solutions (LVM, RAID, NFS, SAN/NAS)
• Configure and troubleshoot network services (DNS, DHCP, SSH, FTP, NTP, SMTP, etc.)
• Work with virtualization and container platforms (VMware, KVM, Docker, Kubernetes—if applicable)
• Automate tasks using scripting languages (Bash, Python, etc.)
• Maintain logs and monitoring tools (Nagios, PRTG, etc.)
• Collaborate with developers, security teams, and other IT personnel to support infrastructure requirements
• Ensure compliance with organizational policies and security standards

Required Skills & Qualifications

• Bachelor’s degree in computer science, Information Technology, or related field (or equivalent experience)
• 4–6 years of hands-on Linux system administration experience (adjustable based on your requirement)
• Strong knowledge of Linux operating systems and command-line tools
• Experience with system hardening and security best practices
• Proficiency in shell scripting (Bash; Python optional but preferred)
• Experience with package management (yum, apt, rpm)
• Understanding of networking concepts (TCP/IP, firewalls, routing)
• Familiarity with virtualization technologies (VMware/KVM)
• Experience with configuration management tools (Ansible, Puppet, Chef – optional)

Preferred Qualifications (Nice to Have)

• Experience with cloud platforms (AWS, Azure, GCP)
• Exposure to DevOps tools such as Git, Jenkins, CI/CD pipelines
• Knowledge of container orchestration (Docker/Kubernetes)
• Linux certification (RHCSA/RHCE/CompTIA Linux+)

Soft Skills

• Strong analytical and problem-solving abilities
• Good communication and documentation skills
• Ability to work independently and in a team environment
• Willingness to learn and adapt to new technologies

Working Conditions

• Should be available for 24*7 rotational shifts
• Should have strong interpersonal communication skills to collaborate with stakeholders and peer groups across the locations of Coherent.

Culture Commitment

Ensure adherence to company’s values (ICARE) in all aspects of your position at Coherent Corp.:

Integrity – Create an Environment of Trust

Collaboration – Innovate Through the Sharing of Ideas

Accountability – Own the Process and the Outcome

Respect – Recognize the Value in Everyone

Enthusiasm – Find a Sense of Purpose in Work

Coherent Corp. is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

Finisar India (Subsidiary of Coherent Corp) is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to gender identity, sexual orientation, race, color, religion, national origin, disability, or any other characteristic protected by law.