267 Linux Systems jobs in Mumbai

Dolat Capital, a quantitative trading firm, seeks a skilled Senior Linux Support Engineer to join our systems team. The Linux Support Engineer will help oversee the maintenance of hundreds of our production servers while supporting more than 100 users. Dolat has many high-capacity, low-latency, direct private lines between our sites, and we use the latest high-performance hardware.

Dolat’s Trading Support Engineers are the gatekeepers of the production trading environment. We firmly believe in balancing a safe, orderly production environment that works optimally by deploying, maintaining, monitoring and operating a fleet of Linux servers to its optimal performance. We are looking for engineers who share this vision, and who shun complexity in favor of simplicity. You will help enable our technology evolution while maintaining control. You will be expected to help build the various tools to keep our systems running to their highest optimal performance.

Responsibilities

Qualifications

It’s never been a more exciting time to join Vistra.

At Vistra our purpose is to progress. We believe that our clients have the power to change the world and to do great things for global progress, and we exist to remove the friction that comes from the complexity of global business – to help our clients achieve progress without friction.

But progress only happens when people come together and take action. And we’re absolutely committed to building a culture where our people can do just that.

We have an exciting opportunity for you to join our team as Systems Engineer, Infrastructure . Reporting to the Regional Infrastructure Lead , this full-time and permanent position is based in India and offers regional coverage, allowing you to make a significant impact to our IT Operations Department and its’ growth.

Key responsibilities:

Build and maintain effective relationships with Infrastructure Leads, peers, IT Regional Managers and OPS team.

• Act as a point of escalation for daily operational issues for IT Infrastructure
• Oversee operational tasks and ensure proper documentation is maintained
• Work closely with the business for any changes or requests for new services
• Provide support in solving incidents, service requests and problems
• Execute resolution of all incidents and problem enquiries
• Involved in changes and ensuring adherent communication is released
• Ensure continuity in service provision and restore required service in case of disruption
• Manage third party vendors for incident management through to resolution
• Check technical conditions of IT equipment and landscape
• Build/provision IT hardware (Servers, Storage etc.)
• Maintain & Update systems periodically as required by vendors, compliance or lifecycle management
• Monitor and report on the system’s performance and take corrective action when necessary
• Provide reporting on ad-hoc basis
• Support with internal offices move, if required
• Keep up to date documentation and tasks for audit purposes
• Play an active role in IT Infrastructure related projects, when needed
• Act and take actions as a 1st line support on the Infra team and establish good relationships with members of 2nd and 3rd line support groups.
• Actively participate in information and knowledge sharing within the team
• Work towards acquiring understanding of Vistra procedures and of our technical landscape that would allow driving customer issues to resolution in a timely and efficient manner
• Understand and comply with Vistra Information security & Compliancy Framework and guidelines
• Continue to expand customer service repertoire and continue to explore customer facing best practices
• Following acquisitions, assist, when necessary, the project team with the integration of new systems.
• Seeking continuous improvement in services delivered

Key requirements

-Attributes & Skills, Relevant experience

As a successful candidate you will be a Systems Engineer with a general good working knowledge of Active Directory, Window Server OS (2012 and higher version). Virtualization – Hyper-V, VMWARE, Server hardware - Dell, HP, Storage Devices - Nimble / Alletra, Office 365 / Exchange server Management, Mimecast, OKTA, ETC.

Experience of working in a Service Desk environment operating within an ITIL framework within a similar position or within the IT sector is beneficial.

We are looking for a passionate, professional, and confident individual with excellent attention to detail and strong written and verbal communication skills. You will have the ability to prioritise, organise, and multitask whilst working in a busy environment.

• 8-10 years of IT experience in similar role of IT Infrastructure management, Wintel Admin
• Service Delivery / Client Orientation / Customer Service
• Advanced technical troubleshooting skills
• Full coverage to support the business hours,
• Communication / responsiveness, Analytical Skills / Troubleshooting Skills
• Working knowledge of ITIL compliance standards and successful methods to integrate those into corporate compliance processes is beneficial/ ITIL certified.
• Excellent communication skills and fluent English
• Experience of working in a global team and in/for different jurisdictions (excellent English communication skills)

Education/Professional Qualifications

Full time Graduation Post Graduation in any Stream

Microsoft Certifications – Windows Servers / O365 / Azure / AWS

Company Benefits:

At our Mumbai office, we believe in putting our employees’ well-being first! We offer a flexible hybrid working arrangement and birthday leave.

If you are excited about working with us, we encourage you to apply or have a confidential chat with one of our Talent Acquisition team members. Our goal is to make this a great place to work where all our people can thrive. We hope you join us on this exciting journey!

It’s never been a more exciting time to join Vistra.

At Vistra our purpose is to progress. We believe that our clients have the power to change the world and to do great things for global progress, and we exist to remove the friction that comes from the complexity of global business – to help our clients achieve progress without friction.

But progress only happens when people come together and take action. And we’re absolutely committed to building a culture where our people can do just that.

We have an exciting opportunity for you to join our team as Systems Engineer, Infrastructure. Reporting to the Regional Infrastructure Lead, this full-time and permanent position is based in India and offers regional coverage, allowing you to make a significant impact to our IT Operations Department and its’ growth.

Key responsibilities:

Build and maintain effective relationships with Infrastructure Leads, peers, IT Regional Managers and OPS team.

• Act as a point of escalation for daily operational issues for IT Infrastructure
• Oversee operational tasks and ensure proper documentation is maintained
• Work closely with the business for any changes or requests for new services
• Provide support in solving incidents, service requests and problems
• Execute resolution of all incidents and problem enquiries
• Involved in changes and ensuring adherent communication is released
• Ensure continuity in service provision and restore required service in case of disruption
• Manage third party vendors for incident management through to resolution
• Check technical conditions of IT equipment and landscape
• Build/provision IT hardware (Servers, Storage etc.)
• Maintain & Update systems periodically as required by vendors, compliance or lifecycle management
• Monitor and report on the system’s performance and take corrective action when necessary
• Provide reporting on ad-hoc basis
• Support with internal offices move, if required
• Keep up to date documentation and tasks for audit purposes
• Play an active role in IT Infrastructure related projects, when needed
• Act and take actions as a 1st line support on the Infra team and establish good relationships with members of 2nd and 3rd line support groups.
• Actively participate in information and knowledge sharing within the team
• Work towards acquiring understanding of Vistra procedures and of our technical landscape that would allow driving customer issues to resolution in a timely and efficient manner
• Understand and comply with Vistra Information security & Compliancy Framework and guidelines
• Continue to expand customer service repertoire and continue to explore customer facing best practices
• Following acquisitions, assist, when necessary, the project team with the integration of new systems.
• Seeking continuous improvement in services delivered

Key requirements

-Attributes & Skills, Relevant experience

As a successful candidate you will be a Systems Engineer with a general good working knowledge of Active Directory, Window Server OS (2012 and higher version). Virtualization – Hyper-V, VMWARE, Server hardware - Dell, HP, Storage Devices - Nimble / Alletra, Office 365 / Exchange server Management, Mimecast, OKTA, ETC.

Experience of working in a Service Desk environment operating within an ITIL framework within a similar position or within the IT sector is beneficial.

We are looking for a passionate, professional, and confident individual with excellent attention to detail and strong written and verbal communication skills. You will have the ability to prioritise, organise, and multitask whilst working in a busy environment.

• 8-10 years of IT experience in similar role of IT Infrastructure management, Wintel Admin
• Service Delivery / Client Orientation / Customer Service
• Advanced technical troubleshooting skills
• Full coverage to support the business hours,
• Communication / responsiveness, Analytical Skills / Troubleshooting Skills
• Working knowledge of ITIL compliance standards and successful methods to integrate those into corporate compliance processes is beneficial/ ITIL certified.
• Excellent communication skills and fluent English
• Experience of working in a global team and in/for different jurisdictions (excellent English communication skills)

Education/Professional Qualifications

Full time Graduation Post Graduation in any Stream

Microsoft Certifications – Windows Servers / O365 / Azure / AWS

Company Benefits:

At our Mumbai office, we believe in putting our employees’ well-being first! We offer a flexible hybrid working arrangement and birthday leave.

If you are excited about working with us, we encourage you to apply or have a confidential chat with one of our Talent Acquisition team members. Our goal is to make this a great place to work where all our people can thrive. We hope you join us on this exciting journey!

Join Fortinet, a cybersecurity pioneer with over two decades of excellence, as we continue to shape the future of cybersecurity and redefine the intersection of networking and security. At Fortinet, our mission is to safeguard people, devices, and data everywhere. We are currently seeking a dynamic Pre-Sales System Engineer to contribute to the success of our rapidly growing business.

You would act as the key Systems Engineer to work closely with a sales representative in Enterprise customers. The Systems Engineer's main mission will be to support the sales organization in all technical matters regarding pre-sales, sales calls, and post-sales.

As a Pre-Sales System Engineer you will:

Play an integral role in new business solution pitches, foster long-term relationships, to achieve enterprise-wide deployments of Fortinet solutions and deliver meaningful results for all parties involved.

We Are Looking For:

An insightful and influential collaborator to join our team. We encourage you to apply for this position if you have the following qualities:

Why Join Us:

We encourage candidates from all backgrounds and identities to apply. We offer a supportive work environment and a competitive Total Rewards package to support you with your overall health and financial well-being.

Embark on a challenging, enjoyable, and rewarding career journey with Fortinet. Join us in bringing solutions that make a meaningful and lasting impact to our 660,000+ customers around the globe.

As a Senior Systems Engineer, you are the architect and guardian of the foundational infrastructure upon which the entire AryaXAI platform is built. While our Software Engineers build the applications, you build the world-class, multi-cloud environment where those applications run. You will be responsible for the design, implementation, and operational excellence of our Kubernetes clusters, core networking, and operating systems. Your role involves deep, hands-on work with the internals of Linux, Kubernetes, and cloud provider primitives to ensure our platform is secure, performant, and scales seamlessly. You will be the final escalation point for the most complex infrastructure issues and will be instrumental in building a resilient, automated, and cost-effective foundation for our AI workloads.

Key Responsibilities

• Architect Multi-Cloud Kubernetes Infrastructure:  Design, build, and maintain highly available, scalable, and secure Kubernetes clusters across multiple cloud providers (AWS, GCP).
• Automate Everything with IaC:  Lead the development of our Infrastructure as Code (IaC) strategy using Terraform. Write clean, modular, and maintainable code to automate the provisioning of all infrastructure resources.
• Deep System & Network Optimization:  Dive deep into the stack to optimize performance. This includes Linux kernel tuning, network stack optimization, and configuring our Kubernetes networking (CNI) for high-throughput, low-latency communication required by ML workloads.
• Infrastructure Security and Hardening:  Define and implement security best practices for our infrastructure. This includes hardening base OS images, configuring network security policies, managing IAM roles, and ensuring the security of our Kubernetes control plane.
• Build Core Observability and Reliability:  Engineer and manage the foundational observability stack (e.g., Prometheus, Grafana, Loki) that provides deep insight into the health and performance of our systems.
• Develop CI/CD Infrastructure:  Build and maintain the underlying infrastructure that powers our CI/CD pipelines, enabling our software engineers to ship code rapidly and reliably.
• Troubleshoot Complex System Issues:  Act as the subject matter expert for diagnosing and resolving complex, system-level issues that span across networking, operating systems, and the Kubernetes platform.

Required Qualifications

• Extensive Systems Experience:  5+ years of professional experience in a Systems Engineering, Site Reliability Engineering (SRE), or a similar infrastructure-focused role.
• Expert-Level Linux/Unix Administration:  A deep, fundamental understanding of Linux internals, including the kernel, system calls, filesystems, memory management, and the networking stack.
• Kubernetes Mastery:  Proven, hands-on experience building and managing production-grade Kubernetes clusters from the ground up. You must have a deep understanding of the Kubernetes control plane (etcd, kube-apiserver, scheduler), worker node components (kubelet, kube-proxy), and key extension points like CNI and CSI.
• Proficiency in Infrastructure as Code (IaC):  Expert-level skills in Terraform, with experience building complex, modular, and reusable infrastructure definitions.
• Advanced Networking Knowledge:  A strong command of TCP/IP networking fundamentals (L3/L4), DNS, HTTP/S, and advanced cloud networking concepts including VPCs, subnets, routing, and load balancing across multiple cloud providers.
• Automation and Scripting:  Strong scripting skills in a language like Python or Go, used for automating infrastructure management tasks.
• Strong hands-on experience with Infrastructure as Code (Terraform, CloudFormation, Pulumi) and automation scripting.
• Proficiency in building, managing, and optimizing CI/CD pipelines using tools such as Jenkins, GitLab CI, or GitHub Actions.
• Familiarity with monitoring and observability tools (Prometheus, Grafana, ELK stack) for troubleshooting and system insights.
• Solid understanding of cloud security, networking concepts, and security best practices in cloud environments.

Preferred Qualifications

• Multi-Cloud Operations:  Demonstrable experience managing production infrastructure that spans both AWS and GCP.
• Advanced Kubernetes and Cloud Native Tooling:  Experience with service meshes (e.g., Istio, Linkerd), policy engines (e.g., OPA/Gatekeeper), and cluster lifecycle management tools.
• High-Performance Networking:  Experience with advanced networking solutions like Cilium with eBPF to optimize performance and security for demanding workloads.
• GPU and Specialized Hardware Management:  Experience managing infrastructure with specialized hardware like GPUs, including setting up drivers and device plugins in a Kubernetes environment.
• Building Bare Metal or Hybrid Clouds:  Experience managing physical servers and integrating them into a hybrid cloud environment.

• Opportunity to work on and shape cutting-edge cloud and serverless technologies
• A collaborative and innovative work environment that encourages creativity and pushes technological boundaries
• Competitive salary and benefits package
• Professional development and learning opportunities
• Remote work options
• Chance to contribute to the broader tech community through open-source contributions and conference presentations