Unix Administrator

Job Overview: Unix Administrator will administer and manage RHEL Infrastructure.

This position will work closely with APAC Infrastructure, Application, Network and Security teams to manage RHEL platform for the APAC region.

Job Responsibilities:

• Install, configure, and manage RHEL servers ensuring security, performance, and high availability.
• Monitor, troubleshoot and optimize Linux infrastructure, including storage, networking and security.
• Design, implement and maintain anti-virus solutions to protect Linux system from malware and viruses.
• Analyse and respond to virus and malware incidents, including containment, eradication, and recovery.
• Based on the operational experience gathered, design and implement infrastructure improvements for better security, stability, performance, and efficiency.
• Developing, maintaining, and updating configuration management solutions, utilizing tools like Ansible to automate and streamline system administration tasks.
• Design, implement and maintain automation scripts using Ansible to streamline repetitive tasks, deployments, and configuration management.
• Work closely with application teams to ensure seamless integration of Linux systems with applications and services.
• Ensure linux systems comply with security policies, industry standards and regulatory requirements.
• Proactively monitoring system performance and conducting capacity planning to anticipate resource needs and ensure optimal performance.
• Troubleshooting incidents, system problems and handle escalations to vendor.
• Plan and perform scheduled preventive maintenance, OS patching/upgrades/hardening.
• Provide system performance tuning, optimization, and capacity planning.
• Manage clustering (Pacemaker cluster) hosted on premises.
• Fulfil service request and change requests.
• Manage VMware environment.
• Work with other teams and vendors where applicable.
• Provide day-to-day systems administration and operations, including 24x7 standby.
• Provide technical support and advice for projects.
• Maintain the documentation and the configuration.

Qualifications:

• 8+ years of relevant working experience as a Unix administrator in on premise setup.
• Strong technical knowledge and experience in administration and maintenance of Linux.
• Excellent communication and stakeholder management skills.
• Strong background in Unix technologies including High Availability and virtualization.
• Experience with anti-virus implementation in RHEL. Strong knowledge on anti-virus solutions like SEP, McAfee etc.
• Storage admin/SAN technology from system perspective.
• Familiarity with ITSM, ITIL, or other relevant frameworks is a plus.
• Proven ability to identify and improve performance measurement and reporting processes in a large organization.
• Experience of working collaboratively with multi-disciplinary teams with a delivery focus in both project and operational environments
• Excellent spoken and written Business English skills and the ability to write clear and concise text for different audiences.
• Ability to handle confidential information with tact and sensitivity.
• A flexible approach to adapt to changing deadlines.

“This is in partnership with the Employment and Employability Institute Pte Ltd (“e2i”).

e2i is the empowering network for workers and employers seeking employment and employability solutions. e2i serves as a bridge between workers and employers, connecting with workers to offer job security through job-matching, career guidance and skills upgrading services, and partnering employers to address their manpower needs through recruitment, training, and job redesign solutions. e2i is a tripartite initiative of the National Trades Union Congress set up to support nation-wide manpower and skills upgrading initiatives. By applying for this role, you consent to A-IT Software Services Pte Ltd’s PDPA and e2i PDPA.