System Administrator (Windows and Linux) - Permanent/Onsite, Pasay
Job Type: Permanent (Full-time)
Work Arrangement: Fully Onsite
Office Location: MOA Complex Pasay City
Work Schedule: Dayshift (Monday to Friday, 9AM to 6PM)
Summary
We are currently helping our client, a key player in the Shipping/Maritime Transportation domain to fill a Senior System Administrator role.
In this role, the Sr. System Administrator is crucial in managing the system platforms across both on-premise and cloud provided solutions ensuring they are robust, secure and scalable. We're not just looking for someone to just look after what our client have. They need an energetic, passionate individual who brings new ideas to system administration and infrastructure.
What you'll do:
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
Competencies:
- Analysis and Problem Solving (Level 3): Uses a systematic approach to root cause analysis on complex problems to identify underlying trends and put forward well-thought-out solutions to address the causes and reduce risk.
- Listening and Communicating (Level 2): Focuses on the individual they are communicating with. Writes and expresses thoughts clearly adjusting as necessary to the audience. Asks questions to clarify.
- Collaboration, inclusion, and teamwork (Level 2): A good team player that is personable, friendly, polite and takes the time to know people. Helps new colleagues and visitors feel welcome. Mentors and encourages junior members.
- Customer focus (Level 2): Understands the needs of the customer clarifying requirements and expectations. Adapts as necessary to changing requirements and is responsive, helpful with all requests. Sets high quality for service delivery.
- Planning and organising (Level 3): Uses technology and tools to drive effective project planning with projects having clear success criteria. Updates people when plans change and keeps them apprised of progress.
- Initiative (Level 2): Challenges existing ways of doing things. Looking for continuous improvement without being asked. Identifies ways to improve efficiency and effectiveness in own work and others in the team
- Accountability (Level 2): Responsible for delivery own work without unnecessary supervision. Always demonstrates integrity and ethical behaviour being a role model for others. Invites constructive feedback adjusting actions accordingly. Thinks through mistakes made and finds ways to prevent recurrence.
- Resilience and managing wellbeing (Level 2): Manages and responds to workload pressure with an open mind adjusting approach and seeking help when needed and seeking feedback to improve.
- Adaptability (Level 2): Seeks to understand the rationale for changes at Fleet looking for different perspectives to facilitate and positively contribute to the initiatives within the team and themselves.
Requirements
What you bring:
- 5-8+ years in IT systems administration, with at least 3 years in a senior role 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 command of written and spoken English