Senior Systems Administrator

DUTIES AND RESPONSIBILITIES:

• Responsible for provisioning, maintenance, configuration, and optimization of Linux servers, computer systems, network servers, and virtualization
• Design, implement, and maintain AWS cloud infrastructure including, but not limited to, EC2, RDS, S3, VPC, IAM, Backup, CloudWatch
• Design and implement high availability, disaster recovery, and auto-scaling solutions with continuous focus on cost-efficiency and performance
• Perform system upgrades, patches, and performance tuning
• Install, configure, manage, and optimize web servers such as NGINX and Apache
• Implement monitoring and alerting solution to track system health, resource usage, and enabling early detection, prevention, and mitigation for potential issues.
• Enforce security best practices across on-prem and cloud systems by conducting vulnerability assessments, managing identity and access controls, key management, and ensuring comprehensive logging and auditing.
• Troubleshoot and resolve hardware, software and security risks and issues, documenting problems and resolutions, prioritizing problems, and assessing the impact of issues
• Automate routine tasks such as backup scheduling, log rotation, process monitoring using BASH scripts
• Provide documentation and technical specifications to IT staff for planning and implementing new or upgrades of IT infrastructure
• Ensure regular system backup operations and implement appropriate processes for data protection, disaster recovery, and failover procedures
• Provide mentorship to mid-level administrators and collaborate closely with them, as well as with developers, DevOps engineers, DBAs and other IT teams.
• Setup and manage external connectivity including site-to-site VPN connections.

JOB COMPETENCIES:

• Must possess at least a bachelor's degree preferably in Computer Engineering (Computer/Telecommunication), Science/Information Technology, or its equivalent
• 7+ years of experience in system administration, with at least 2 years in AWS cloud environments.
• Strong knowledge and hands-on experience of Linux server environments
• Proficiency with AWS services (EC2, RDS, S3, Backup, CloudWatch, etc)
• Working knowledge of Network Monitoring (Zabbix, Nagios, Grafana, Prometheus)
• Solid understanding of network concepts, VPNs, firewalls, and DNS
• Knowledge of system security (e.g., intrusion detection systems)
• Experience with scripting and automation tools
• Knowledge of NAS, SAN, and RAID Configuration
• Knowledge of Backup and Replication of on-prem servers (Veeam)
• A proven track record of developing and implementing IT strategy and plans
• Strong analytical and problem-solving skills, with ability to make critical decisions without constant oversight
• Proactive, resourceful, reliable, with ability to manage multiple priorities in a dynamic environment
• Excellent communication skills and documentation abilities
• He/she should be able to identify the system issues and solve them in an effective manner.
• He/she must be able to work well even under pressure and must also have the ability to respond to and prioritize the incoming work according to stringent deadlines.
• System administration and IT certifications in Linux, AWS, or other related fields are a plus

Job Type: Full-time

Pay: Php90, Php120,000.00 per month

Benefits:

• Flexible schedule

Experience:

• Servers: Linux, Veeam (on-prem): 2 years (Required)
• Cloud: AWS (EC2, RDS, S3, Backup, CloudWatch, etc): 2 years (Required)
• system administration: 7 years (Required)
• Network Monitoring (Zabbix, Nagios, Grafana, Prometheus): 1 year (Required)
• managing applications and/or systems integrationmanagement: 3 years (Required)

License/Certification:

• IT certifications in Linux, AWS (Preferred)

Work Location: In person