Senior Systems Administrator

4 days ago


Manila, National Capital Region, Philippines Lennor Metier Full time $90,000 - $120,000 per year

Lennor Metier Consulting, a DOLE-licensed headhunting and recruitment agency in the Philippines, is proud to partner with a global shipping and logistics company that is strengthening their Philippine branch. To support this growth, we are hiring Senior Systems Administrator in Pasay City.

The Role

The ideal candidate will be crucial in managing system platforms across both on-premise and cloud provided solutions ensuring they are robust, secure and scalable. The candidate should be an energetic, passionate individual who brings new ideas to system administration and infrastructure to help keep the company moving forward.

Key Responsibilities

  • Cloud & On-Premise Infrastructure Leadership

  • Strategic Design & Implementation: Lead AWS/Azure infrastructure design and deployment with internal teams and vendors, aligned with business and technical goals

  • Active Directory (AD) Management: Optimise AD across locations—manage users, policies, permissions, and implement MFA and conditional access
  • Cloud Optimisation: Use cloud-native tools and automation to improve performance and reduce costs without compromising security
  • Server Administration: Maintain Windows/Linux servers—patching, updates, tuning, HA/DR readiness for critical systems
  • Network Oversight: Configure and monitor Cisco Meraki networks; collaborate with cybersecurity on network hardening
  • Proactive System Administration

  • Security Leadership: Partner with Cybersecurity to enforce ISO 27001, NIST, CIS standards; conduct audits and vulnerability assessments in line with overall business goals

  • Performance Monitoring: Use Prometheus/Grafana to identify bottlenecks; build dashboards for real-time metrics visibility
  • Backup & Disaster Recovery: Manage backup and disaster recovery strategies for cloud/on-premise; test and validate procedures regularly
  • Automation & Scripting: Build Python/PowerShell scripts to automate tasks; mentor juniors in automation best practices
  • Driving Improvements and Changes

  • Problem Management: Lead root cause analysis, implement fixes, and share insights to prevent recurring issues

  • Project Leadership: Own infrastructure and user-facing projects; collaborate across teams for successful delivery
  • Vendor Management: Participate in service reviews, negotiate contracts, and lead procurement for cost-effective solutions
  • Team Leadership and Mentorship

  • Mentorship: Guide junior staff, promote learning, and support professional growth within the team

  • Collaboration & Communication: Serve as a technical expert, resolve complex issues cross-functionally, and communicate clearly with stakeholders

What we're looking for

ESSENTIAL Skills:

  • Ideally 5-8 years of experience in IT systems administration, with at least 3 years in a senior roe managing enterprise-level Windows and Linux environments at scale (500+ end points)

  • Direct experience of managing Microsoft Active Directory and Microsoft Entra – including PowerShell scripting

  • Cloud administration in an AWS environment (as well as Google Cloud or Azure)
  • Building / Managing of Linux instances (preferably CentOS or RedHat)
  • Strong analysis skills – Proven ability to identify root causes, implement fixes, and lead improvements to boost system reliability and security
  • Vendor Management – Track record of working with vendors to meet SLAs, negotiate contracts, and align solutions with business needs.
  • Hands-on use of tools like Endpoint Central to manage assets and automate tasks efficiently.
  • Skilled in designing Disaster Recovery and High Availability strategies for cloud and on-premise systems.
  • Skilled in automation using scripting languages (PowerShell, Bash, Python) and tools like Ansible and/or Terraform
  • Excellent communication skills in both written and spoken English

DESIRABLE Skills:

  • Experience of handling updates on Meraki/Cisco or other next-gen firewalls and Linux instances
  • Industry certifications in:

  • Microsoft MCSE, Microsoft 365,

  • AWS (Amazon Web Services)
  • ITIL v3 or v4
  • Cisco Certified Network Associate (CCNA)
  • Familiar with security standards such as ISO27001/NIST/CIS
  • Database Administration – familiar with regular DBA tasks on Oracle, MySQL/MariaDB, etc
  • Use of tools like Prometheus and Grafana to track metrics and optimize performance.
  • Ability to guide junior staff and promote learning and best practices.

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