27 Linux Administrator jobs in the Philippines

Manage Linux environment
- Develop bash scripting necessary
- Monitoring servers and their health (disk usage, memory usage, etc) Research appropriate system monitoring tool and install on ETFG servers
- Preventive actions (patching, log auditing, etc)
- Reactive actions (usual server disruptions like crashes and hacking attempts) Develop safeguards from hacking attempt.
- Maintaining free space on drives (backing up files, adding new partitions, etc) Cogent and Digital ocean
- Managing serves access
- Installing and configuring new servers from scratch
- Develop AWS skills (managing buckets, roles using CLI etc)
- Setting up Docker containers and network between them
- Setting up CI: CD pipelines

Schedule:

- Shift system

Supplemental pay types:

- 13th month salary

Ability to commute/relocate:

- Pasig City: Reliably commute or planning to relocate before starting work (required)

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health optimization on a global scale. Join us to start **Caring. Connecting. Growing together.**
**Primary Responsibilities:**
+ Design, Implementation & Operational Support of Windows 2012/2016/2019/2022 Servers
+ Monitoring and troubleshooting server performance. Troubleshooting system and server errors. Reviewing system error logs and user-reported errors. Analyzes, logs, tracks, and resolves software/hardware matters of significance pertaining to networking connectivity issues, servers, and applications to meet business needs
+ Patch management, installations of security patches, functional patches, and version upgrades to server and vSphere / ESXi environment
+ Perform regular patching and updates to ensure server security and stability
+ Automate system administration tasks using PowerShell and other scripting tools
+ Handle server hardware installation, upgrades, and maintenance
+ Implement and enforce system security, patch management, and compliance standards
+ Provide timely support for escalated technical issues and participate in on-call rotations
+ Comply with the terms and conditions of the employment contract, company policies and procedures, and any and all directives (such as, but not limited to, transfer and/or re-assignment to different work locations, change in teams and/or work shifts, policies in regards to flexibility of work benefits and/or work environment, alternative work arrangements, and other decisions that may arise due to the changing business environment). The Company may adopt, vary or rescind these policies and directives in its absolute discretion and without any limitation (implied or otherwise) on its ability to do so
**Required Qualifications:**
+ 5+ years of relevant experience with the following:
+ Solid experience in Windows/Linux Servers Administration
+ Solid experience in Windows Servers patching and troubleshooting
+ Experience in virtualization technologies such as VMware, Nutanix, and Citrix
+ Experience in server hardware maintenance and troubleshooting
+ Knowledge of networking concepts, system security practices, and ITIL frameworks
+ Proven track record in system migrations and upgrades
+ Proven excellent problem-solving, communication, and teamwork skills
+ Proficiency in English (Written & Verbal) Language
+ Hands-on experience on performance tuning of VMware ESXi hosts
+ Experience in managing and troubleshooting AD / DNS / DHCP / DFS issues
+ Experience in configuration of VMWare HA and DRS features
+ Experience on P2V and V2V migrations
+ Work experience in high availability and clustered environment configuration
+ Working knowledge of VMWare vSphereand CentOS / RHEL OS platforms
+ Basic knowledge of Citrix environment
+ Skilled in Windows, Virtualization, L1.5,Patching, Vulerability remediation, Server Administration, DNS,DHCP, Active Directory, VMWare vSphere, Incident Mgmt, Troubleshooting
_At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone-of every race, gender, sexuality, age, location and income-deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalized groups and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission._
_Optum is a drug-free workplace. © 2025 Optum Global Solutions (Philippines) Inc. All rights reserved._

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health optimization on a global scale. Join us to start **Caring. Connecting. Growing together.**
**Primary Responsibility:**
+ Comply with the terms and conditions of the employment contract, company policies and procedures, and any and all directives (such as, but not limited to, transfer and/or re-assignment to different work locations, change in teams and/or work shifts, policies in regards to flexibility of work benefits and/or work environment, alternative work arrangements, and other decisions that may arise due to the changing business environment). The Company may adopt, vary or rescind these policies and directives in its absolute discretion and without any limitation (implied or otherwise) on its ability to do so
**Required Qualifications:**
+ 3+ years of relevant experience with the following:
+ Experience in Windows/Linux Servers Administration
+ Experience in virtualization technologies such as VMware, Nutanix, and Citrix
+ Experience in Windows/Linux Servers Patching
+ Solid experience in Windows Servers patching and troubleshooting
+ Experience in managing and troubleshooting AD / DNS / DHCP / DFS issues
+ Experience on Server builds and decommission, Commission
+ Knowledge of networking concepts, system security practices, and ITIL frameworks
+ Working knowledge of VMWare vSphere and CentOS / RHEL OS platforms
+ Proficiency in English (Written & Verbal) Language is mandatory
+ Proven excellent problem-solving, communication, and teamwork skills
+ Proven ability in implementation & Operational Support of Windows 2012/2016/2019/2022 Servers
+ Proven ability in monitoring and troubleshooting server performance
+ Proven ability in troubleshooting system and server errors. Reviewing system error logs and user-reported errors
+ Proven ability to automate system administration tasks using PowerShell and other scripting tools
+ Proven ability to handle server hardware installation, upgrades, and maintenance
+ Proven ability to collaborate with cross-functional teams to design and implement IT solutions that meet organizational needs
+ Proven ability to implement and enforce system security, patch management, and compliance standards
+ Proven ability to provide timely support for escalated technical issues and participate in on-call rotations
_At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone-of every race, gender, sexuality, age, location and income-deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalized groups and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission._
_Optum is a drug-free workplace. © 2025 Optum Global Solutions (Philippines) Inc. All rights reserved._

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health optimization on a global scale. Join us to start **Caring. Connecting. Growing together.**
**Primary Responsibilities:**
+ Design, Implementation & Operational Support of Windows 2012/2016/2019/2022 Servers
+ Monitoring and troubleshooting server performance. Troubleshooting system and server errors. Reviewing system error logs and user-reported errors. Analyzes, logs, tracks, and resolves software/hardware matters of significance pertaining to networking connectivity issues, servers, and applications to meet business needs
+ Performs troubleshooting to isolate and diagnose common system problems; documents system events to ensure continuous functioning. Recommends course of action and implements as approved
+ Patch management, installations of security patches, functional patches, and version upgrades to server and vSphere / ESXi environment
+ Oversee Citrix environments, including setup, configuration, and maintenance of Citrix servers and applications
+ Automate system administration tasks using PowerShell and other scripting tools
+ Plan and execute system migrations, ensuring minimal downtime and robust data integrity
+ Maintain and troubleshoot hyper-converged infrastructure (HCI) to support business operations
+ Handle server hardware installation, upgrades, and maintenance
+ Collaborate with cross-functional teams to design and implement IT solutions that meet organizational needs
+ Implement and enforce system security, patch management, and compliance standards
+ Provide timely support for escalated technical issues and participate in on-call rotations
+ Comply with the terms and conditions of the employment contract, company policies and procedures, and any and all directives (such as, but not limited to, transfer and/or re-assignment to different work locations, change in teams and/or work shifts, policies in regards to flexibility of work benefits and/or work environment, alternative work arrangements, and other decisions that may arise due to the changing business environment). The Company may adopt, vary or rescind these policies and directives in its absolute discretion and without any limitation (implied or otherwise) on its ability to do so
**Required Qualifications:**
+ 7+ years of relevant experience with the following:
+ Experience in server hardware maintenance and troubleshooting
+ Solid experience in Windows/Linux Servers Administration
+ Knowledge of networking concepts, system security practices, and ITIL frameworks
+ Familiarity with hyper-converged infrastructure management
+ Proficiency in virtualization technologies such as VMware, Nutanix, and Citrix
+ Proven track record in system migrations and upgrades
+ Proven excellent problem-solving, communication, and teamwork skills
+ Proficiency in English (Written & Verbal) Language
+ Hands-on experience in performance tuning of ESXi host. Implement Hardening on ESXi host. Experience in P2V, vMotion, and VMware virtual center
+ Experience in managing and troubleshooting AD / DNS / DHCP / DFS issues
+ Experience in Server builds and decommission, Commission / Decommission of Domain Controllers. VMware Distributed Resources Scheduler (DRS) cluster, Resource Management, Resource Monitoring
+ Experience in Commission / Decommission of ESXi Host hosted on various hardware like Dell, HP, Cisco UCS Blade Centers
+ Experience in configuration of HA and DRS features in a cluster and troubleshooting
+ Experience in configuring VMware vSphere iSCSI & Fiber Channel storage and troubleshooting
+ Experience in P2V and V2V migrations
+ Solid experience in Windows Servers patching and troubleshooting
+ Work experience in high availability and clustered environment configuration
+ Working knowledge of VMWare vSphere andCentOS / RHEL OS platforms
+ Technical knowledge in vCenter and ESXi, Site recovery Manager 8.x, vROPS 8.X, vSAN, vRealize Log insight 8.x, VMware vSphere 7.x
+ Proficient in controlling administrator rights on VM Infrastructure, Use of VMware Converter Enterprise, and overview
_At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone-of every race, gender, sexuality, age, location and income-deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalized groups and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission._
_Optum is a drug-free workplace. © 2025 Optum Global Solutions (Philippines) Inc. All rights reserved._

**Who We Are**
At Kyndryl, we design, build, manage and modernize the mission-critical technology systems that the world depends on every day. So why work at Kyndryl? We are always moving forward - always pushing ourselves to go further in our efforts to build a more equitable, inclusive world for our employees, our customers and our communities.
**The Role**
As a System Administrator at Kyndryl, you'll solve complex problems and identify potential future issues across the spectrum of platforms and services. You'll be at the forefront of new technology and modernization, working with some of our biggest clients - which means some of the biggest in the world.
There's never a typical day as a System Administrator at Kyndryl, because no two projects are alike. You'll be managing systems data for clients and providing day-to-day solutions and security compliance. You'll oversee a queue of assignments and work directly with technicians, prioritizing tickets to deliver the best solutions to our clients.
One of the benefits of Kyndryl is that we work with clients in a variety of industries, from banking to retail. Whether you want to broaden your knowledge base or narrow your scope and specialize in a specific sector, you can find your opportunity here. You'll also get the chance to share your expertise by recommending modernization options, identifying new business opportunities, and cultivating relationships with other teams and stakeholders. Does the work get challenging at times? Yes! But you'll collaborate with a diverse group of talented people and gain invaluable management and organizational skills, which will come in handy as you move forward in your career.
Your future at Kyndryl
Every position at Kyndryl offers a way forward to grow your career, from Junior System Administrator to Architect. We have opportunities for Cloud Hyperscalers that you won't find anywhere else, including hands-on experience, learning opportunities, and the chance to certify in all four major platforms. One of the benefits of Kyndryl is that we work with clients in a variety of industries, from banking to retail. Whether you want to broaden your knowledge base or narrow your scope and specialize in a specific sector, you can find your opportunity here.
**Who You Are**
You're good at what you do and possess the required experience to prove it. However, equally as important - you have a growth mindset; keen to drive your own personal and professional development. You are customer-focused - someone who prioritizes customer success in their work. And finally, you're open and borderless - naturally inclusive in how you work with others.
Required Technical and Professional Expertise
- 3 to 5 years of relevant experience
- Microsoft Windows Server 2016/2019 implementation and management
- VMware ESX experience
- Public/private cloud management. Especially migration from onprem to cloud solution
Preferred Technical and Professional Experience
- Automation experience, especially IaaS (infrastructure as a code)
- Vulnerability management
- Microsoft Active Directory and federation services
**Being You**
Diversity is a whole lot more than what we look like or where we come from, it's how we think and who we are. We welcome people of all cultures, backgrounds, and experiences. But we're not doing it single-handily: Our Kyndryl Inclusion Networks are only one of many ways we create a workplace where all Kyndryls can find and provide support and advice. This dedication to welcoming everyone into our company means that Kyndryl gives you - and everyone next to you - the ability to bring your whole self to work, individually and collectively, and support the activation of our equitable culture. That's the Kyndryl Way.
**What You Can Expect**
With state-of-the-art resources and Fortune 100 clients, every day is an opportunity to innovate, build new capabilities, new relationships, new processes, and new value. Kyndryl cares about your well-being and prides itself on offering benefits that give you choice, reflect the diversity of our employees and support you and your family through the moments that matter - wherever you are in your life journey. Our employee learning programs give you access to the best learning in the industry to receive certifications, including Microsoft, Google, Amazon, Skillsoft, and many more. Through our company-wide volunteering and giving platform, you can donate, start fundraisers, volunteer, and search over 2 million non-profit organizations. At Kyndryl, we invest heavily in you, we want you to succeed so that together, we will all succeed.
**Get Referred!**
If you know someone that works at Kyndryl, when asked 'How Did You Hear About Us' during the application process, select 'Employee Referral' and enter your contact's Kyndryl email address.
Kyndryl is committed to creating a diverse environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, pregnancy, disability, age, veteran status, or other characteristics. Kyndryl is also committed to compliance with all fair employment practices regarding citizenship and immigration status.

The GIS Application Programmer will, in collaboration with key specialists, identify technical requirements, design and maintain GIS server architecture, ensure performance and security, support geospatial data library setup, and manage access in line with regulations.
br>1. Operate and manage current GIS Server (SPADE) on a day-to-day basis, including access management, security and performance testing, and regular backups,
2. igrate SPADE from AWS to Azure, set it up on development, staging and production servers following ITD procedures, and timely issue SPADE users with updated database and access credentials for the production version,
3. Shut down SPADE on AWS after successful migration to Azure,
4. Apply security patches and bug fixes on a routine basis,
5. Update the GeoNode instance if major and relevant new versions (LTR) become available,
6. Monitor the GIS Server (production), timely communicate additional resource needs for continued performance (hardware, licenses), and execute regular backups,
7. Support the Map-App developers, for instance CDIH, MATALAS/ISMS, CCDRMS, and CSD Field Security App, in efficiently using and integrating with the ITD GIS Server and its spatial database, including technical advice, issue of access tokens, etc.,
8. Provide inputs to the planning of a long-term Enterprise GIS, in particular the scaling, architecture and administration of the GIS Server elements,
9. Any other task ITD GIS considers necessary.

Deliverables
• T chnical Requirements Document: Detailed identification of technical requirements for deploying and operating the GIS server. < r>• G S Server Setup Report: Documentation of the setup and maintenance of GIS server software on testing, production, and backup servers. < r>• P rformance Monitoring Report: Regular reports on the performance of GIS software and licenses, including resource needs. < r>
• U iversity degree in computer science / IT, Geography, or related field, < r>• A least 5 years’ experience in developing, setting up, and maintaining GIS server instances
• W rking knowledge of the ADB IT environment / technology, and related security regulations and guidelines, < r>• F uent written and spoken English, < r>• S rong verbal and written communication skills.

**Company Description**
Accenture in the Philippines is a pioneer in Accenture’s global delivery network. Over the past 30 years, we have expanded our capabilities to become a powerhouse company providing end-to-end technology and business services. As part of Accenture’s global footprint in over 120 countries, covering 40-plus industries, we have been working with the biggest companies in the country and around the globe.

Innovation, a constant at Accenture, enables us to find new ways to stay ahead of our clients’ challenges. Our inclusive, diverse and strong culture of equality helps us constantly drive innovation in the workplace. By combining our industry expertise and the deep skills of our people with the latest technologies and our uncompromising high-performance standards, we help organizations grow their business and succeed in the digital age.

**Description**:

- Provide IT Support for the client in the area of IT Infrastructure.
- Handles service request; resolve simple to complex incident and problem tickets.

**Responsibilities**:

- Deploy and maintain Windows Server systems (virtual and physical) and user account
- Maintain the HyperV; VDI; ESX and vCenter servers
- Basic troubleshooting on assigned incident tickets in the areas of Windows Server, Virtual Desktop Infrastricture (VDI)HyperV, ESX, and vCenter servers
- Provide resolutions based on agreed OLA and SLA targets
- Implement timely closure of tickets
- Coordinate with concerned teams, vendors, and/or third-part support as part of operation escalation

**Qualifications**:

- Bachelor's degree in Computer Science, Information Technology or any Computer/IT-related courses
- At least 1-2 years' solid experience in Server Administration
- At least 1-2 years' solid experience in any of these technologies:

- HyperV
- Vmware
- Virtual Desktop Infrastructure (VDI)
- Strong analytical skills to troubleshoot existing problems
- Good communication skills

**Good to have**:

- Skills in SCCM, WSUS, Citrix

**What we offer**
- Health Insurance (HMO) & Life Insurance coverage from day 1 of employment
- Expanded maternity leave up to 120 days*
- Expanded paternity leave up to 30 days*
- Employee Stock Purchase Plan
- Loyalty and Christmas Gift
- Inclusion and Diversity Benefits
- Night Differential
- Allowances
- Car and Housing Plan
- Company-sponsored trainings, upskilling, and certification
- Flexible Working Arrangements
- Healthy and Encouraging Work Environment

**TERMS AND CONDITIONS**

**Additional Information**:
The following documents will be asked as part of the pre-hiring requirements prior onboarding. We recommend to prepare the requirements early to ensure on time onboarding. Detailed discussion will take place during onboarding process as well as changes on the requirements as needed.
- Transcript of Records (TOR)
- Diploma (for graduates only) and/or Certificate of Graduation
- Certificate of Employment (COE) and/or SSS Employment History
- Government Documents:

- SSS ID and/or SSS Verification Form
- SSS Statement of Account (SOA)
- SSS Certificate of Contribution
- Pag-IBIG Member’s Data Record (MDR)
- Philhealth ID and/or Philhealth Member Data Record (MDR)
- TIN ID and/or Processed BIR Form 1905 or any BIR documents reflecting your TIN and with BIR Stamped
- NSO Birth Certificate

**Salary**: Php24,000.00 - Php39,000.00 per month

Schedule:

- 8 hour shift
- Rotational shift

Functions:
Perform Windows and Linux system administration, configuration, and troubleshooting. br>Maintain and optimize Windows Server (2016/2019/2022) and Linux (RHEL, OEL, CentOS) operating systems.
Manage middleware servers (JBOSS, WebLogic, WebSphere) for application hosting.
Implement server virtualization solutions using VMware, Hyper-V, and Oracle VM.
Configure and manage load balancers (Apache, HA Proxy, NGINX) for high availability.
Maintain and deploy containerized environments (OpenShift, Docker, Kubernetes).
Manage Kafka Confluent for platform streaming and event-driven applications.
Develop and maintain automation scripts using Ansible, BASH, PowerShell, and Batch Scripting.
Ensure adherence to OSI model best practices in network and system security.

Qualifications:
Bachelor’s Degree in Information Technology, Computer Science, or a related field. < r>Must have minimum 10 years of experience in System Administration.
Must have minimum 10 years of experience in Windows Server (2016/2019/2022).
Must have experience in Linux Server (RHEL/OEL/CentOS).
Must have experience in Windows and Linux system administration tasks.
Must have experience in Server Virtualization (VMware/Hyper-V/Oracle VM).
Must have experience in automation and scripting (Ansible/BASH/PowerShell/Batch Scripting).
Must have understanding of the OSI model for network and system communication.
Must be knowledgeable in Middleware Server Administration (JBOSS, WebLogic, WebSphere).
Must be knowledgeable in Load Balancing (Apache, HA Proxy, NGINX).
Must be knowledgeable in containerized environments (OpenShift, Docker and Kubernetes).
Must be knowledgeable in Kafka Confluent for Platform Streaming.

- Graduate of any IT related course
- Minimum of 3 years IT related experience br>
Principal Duties and Responsibilities

1. Establish and control systems access and security.
2. oordinate protocols for operation within multi-user IT networks that provide voice, data and text transmissions.
3. Check systems in order to optimize performance and to initiate recovery action after system failures
4. Implement regular housekeeping procedures, including data backup.
5. Manage the distribution and retention of data on various storage devices.
6. Coordinate system updates and replacement of 'old' versions.
7. Provide assistance in testing new equipment and systems.
8. Prepare technical reports on the operation of systems.
9. Prepare systems cost estimates and cost-benefit analyses.
10. Provide training in systems use and access.
11. Oversee the daily performance of computer systems
12. Prepare evaluations of software or hardware, and recommend improvements or upgrades
13. Coordinate workers engaged in problem-solving, monitoring, and installing data communication equipment and software
14. Conducts preventive and corrective maintenance of all server-related hardware.