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Job Information

Job Code: 00270176

Job Family: Information Technology

Job Function: IT Operations

About The Opportunity

Job Summary

We are seeking a skilled and experienced Senior Systems Administrator (Applications Analyst III) to manage, maintain, and optimize our enterprise server environments. You will be responsible for our diverse infrastructure spanning Red Hat Linux, Solaris, HP-UX systems. This role requires deep expertise in Unix/Linux administration, particularly with legacy and enterprise systems. If you excel at performance tuning, system hardening, infrastructure automation, and can troubleshoot complex technical issues independently, we encourage you to apply.

Key Responsibilities

Administer and support Unix and Linux environments including Red Hat Enterprise Linux (RHEL), Solaris (with Branded Zones), and HP-UX systems.
Design, implement, and optimize Solaris zones architecture for resource isolation and management.
Perform server performance monitoring, troubleshooting, tuning, and capacity planning across all Unix/Linux platforms.
Manage system patching, kernel updates, security hardening, and compliance across heterogeneous environments.
Develop and maintain automation scripts using Bash, and Ansible for repetitive tasks and infrastructure-as-code initiatives.
Implement and manage backup and disaster recovery solutions (NetBackup, Veeam, or equivalent).
Provide Level 3 technical support for critical infrastructure issues and escalations from L1/L2 teams.
Collaborate with infrastructure, network, database, and application teams to ensure system stability, security, and uptime.
Document configurations, maintain runbooks, and create standard operating procedures (SOPs).
Mentor junior team members (L1/L2 support) on best practices and technical skills.
Conduct root cause analysis (RCA) on system incidents and implement preventive measures.

About The Requirement

Operating Systems & Platforms

Operating Systems: Advanced administration of Red Hat Enterprise Linux (RHEL 6, 7, 8, 9), HP-UX, and Solaris with expertise in kernel configuration, patching, performance tuning, and Branded Zones management.
Hardware & Storage Infrastructure: Proficiency managing Sun SPARC servers, HP RISC-based hardware, HP and Sun storage solutions (EVA, 3PAR), LVM, volume management, and RAID configuration.
System Services & Networking: Configuration and administration of DNS, NTP, DHCP, LDAP/NIS, and advanced network troubleshooting across heterogeneous environments.
Security & Compliance: Security patching, vulnerability management, system hardening, CIS benchmark compliance, and implementation of security best practices.
Performance Monitoring & Optimization: Performance analysis, system tuning, capacity planning, log analysis, and KPI tracking using monitoring tools.
Scripting & Automation: Advanced proficiency in Bash and Korn Shell scripting, Ansible automation framework, and infrastructure-as-code practices for operational efficiency.
Technical Problem-Solving: Strong analytical skills, independent troubleshooting of complex infrastructure issues, root cause analysis, and implementation of preventive solutions.
Leadership & Communication: Effective technical documentation, mentoring capabilities, clear communication with technical and non-technical stakeholders, and incident response management.
Professional Attributes: On-call availability, attention to detail, reliability, adaptability to emerging technologies, and commitment to continuous learning and professional development.
Strong experience in HP-UX administration and troubleshooting
Hands-on experience with HP-UX server management, patching, and performance tuning
Knowledge of HPUX LVM, filesystem management, SAN storage, and multipathing
Experience in system monitoring, backup, and disaster recovery operations
Familiarity with clustering technologies such as Serviceguard/MC Serviceguard
Strong experience in Oracle Solaris administration and troubleshooting
Hands-on experience with Solaris Zones, LDOMs, filesystem management, and patching
Knowledge of ZFS, SAN storage, multipathing, and volume management
Experience in performance tuning, server monitoring, and capacity planning

Experience

5 to 9 years of hands-on experience in Unix/Linux systems administration with proven L3/Senior-level expertise in managing complex, critical infrastructure environments independently.
Minimum 3+ years of dedicated experience with HP-UX (HPUX) operating system administration, including kernel configuration, patching, and performance optimization.
Minimum 3+ years of dedicated experience with Solaris administration, including Branded Zones (BZ) creation, management, migration, and resource allocation.
Minimum 3+ years of dedicated experience with Red Hat Enterprise Linux (RHEL) administration across versions 6, 7, 8, and 9.
Strong background in troubleshooting critical production incidents, performing root cause analysis, and implementing preventive measures across Unix/Linux platforms.

Experience

5 - 8 Years of Experience

Education

Bachelor degree or equivalent experience

Preferred Certifications

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Applicants must be currently authorized to work in the United States without the need for visa sponsorship now or in the future.

Avaya is an Equal Opportunity employer and a U.S. Federal Contractor. Our commitment to equality is a core value of Avaya. All qualified applicants and employees receive equal treatment without consideration for race, religion, sex, age, sexual orientation, gender identity, national origin, disability, status as a protected veteran or any other protected characteristic. In general, positions at Avaya require the ability to communicate and use office technology effectively. Physical requirements may vary by assigned work location. This job brief/description is subject to change. Nothing in this job description restricts Avaya right to alter the duties and responsibilities of this position at any time for any reason.

IT Operations Analyst III