דרושים » מחשבים ורשתות » Application Infrastructure Administrator

we are looking for a technological operations specialist with a systemic view, initiative, and the ability to perform well in a dynamic environment. The role includes:
* Responsibility for operating, monitoring (including building monitoring dashboards), and maintaining production operational systems
* Troubleshooting critical services, including systems with IIS interfaces and integration with databases
* Working with cloud services and supporting version deployments
* Participation in and leadership of initiatives to improve system availability, stability, performance, and resilience
* Analyzing recurring issues, initiating systemic solutions, and ensuring their consistent implementation
* Responsibility for coordinating and managing operational processes with multiple stakeholders across the organization You will be exposed to advanced technologies, work with many interfaces, and play a significant role in central processes that impact the entire organization. The role requires high availability, Real-Time incident response, and responsibility for systems with a direct impact on users and customers.

abra professional services is seeking for an experienced Linux System Administrator to join a classified defense-related project. The role involves designing, deploying, and maintaining computing solutions for complex command-and-control systems in a dynamic and heterogeneous environment. Responsibilities include:
* Deployment and maintenance of computing solutions for complex command-and-control systems
* Troubleshooting customer issues both on-site and in project laboratories across multiple locations
* Providing fast and flexible solutions for users working in complex, multi-environment development systems
* Writing technical specifications, procedures, and operational documentation
* Integrating with interfacing systems and platforms
* Working in a dynamic and heterogeneous production environment
* Full on-site position at the company’s offices in Holon (not a hybrid role)

We are looking for a DevOps Engineer to join our dynamic and growing team. This is an opportunity to work alongside top engineers, gain hands-on experience in production environments, and help scale secure, high-performance services used by customers around the globe. You will be part of a fast-paced, startup-like environment, with the backing and stability of a global cybersecurity leader.
Key Responsibilities
Support the deployment and maintenance of scalable, multi-tenant environments across cloud platforms
Assist in automating infrastructure using Infrastructure-as-Code tools and CI/CD pipelines
Monitor and improve the reliability, performance, and security of platform services
Collaborate with development, product, and operations teams to deliver new features and improvements
Troubleshoot infrastructure and application issues in development and production environments
Implement custom user interfaces using the latest programming techniques and technologies
Design, develop, and maintain DevOps-related microservices that support platform automation and reliability
Design and integrate agentic AI capabilities into DevOps workflows to automate decision-making, incident response, and platform operations.

we are hiring an experienced system Administrator to join its data & AI division The role includes managing, maintaining, and optimizing VMware and Citrix-based infrastructures in a multi-user enterprise environment, working closely with internal IT teams and external vendors. Responsibilities
* Manage and maintain VMware vSphere environments, including ESXi and vCenter
* Deploy and maintain VMware clusters and manage resources (CPU, Memory, Storage, HA / DRS)
* Provision, maintain, and troubleshoot virtual machines
* Manage Active Directory environments including Users, Computers, and OU structures
* Create, maintain, and optimize Group Policies (GPO)
* Work with Citrix Virtual Apps and Desktops and manage Citrix Policies
* Manage user profiles in Citrix environments (UPM / FSLogix - advantage)
* Troubleshoot issues at the OS, virtualization, and application levels
* Work with backup and monitoring systems
* Collaborate with internal IT teams and external vendors

We're seeking a technically curious and proactive IT Support & System Administrator to play a key role in supporting and enhancing Fiverr's IT ecosystem. This is an excellent opportunity for an early-career IT professional who wants to grow their skills in a dynamic, global tech company. You'll work hands-on with modern IT systems, contribute to automation initiatives, and be part of a team that values innovation and continuous improvement. As our IT Support & System Administrator, you’ll play a key role in maintaining system reliability and supporting our global workforce, and helping to build solutions that make everyone's work easier. This role offers significant growth potential and the chance to make a real impact on how we operate.

What am I going to do?:
System Administration & Support
* Administer and operate SaaS platforms in an enterprise environment.
* Manage user lifecycle, permissions, and access controls across systems.
* Support endpoint management (MDM), including device setup, configuration, and troubleshooting
* Ensure operational stability of IT systems and provide structured support to a global workforce.
* Maintain asset inventory and track hardware/software lifecycle management IT Infrastructure & Operations
* Support office and remote IT infrastructure, including network connectivity, Wi-Fi, and secure access solutions.
*  Assist with SSO/MFA enforcement according to defined security standards
* Conduct routine system checks, updates, and preventive maintenance
* Document IT processes, create SOPs, and maintain knowledge base articles
* Participate in IT security audits and access reviews Automation & Improvement
* Assist in building and maintaining internal IT tools, scripts, and workflow automations
* Take ownership of existing automation projects, ensuring they remain functional and up-to-date
* Identify opportunities to streamline repetitive tasks through automation
* Collaborate with the Cloud Engineering team on technical projects and system improvements User Support & Training
* Provide technical guidance and support to employees on IT systems, tools, and best practices
* Troubleshoot issues with a service-oriented and professional approach.
* Create and deliver training materials for new tools and system updates
* Collaborate with teams to understand operational needs and improve IT support experience.

Equal opportunities:
At Fiverr, we prioritize diversity. We celebrate difference and embed it into every aspect of our workplace and product, as well as our community. Fiverr is proud and committed to providing equal opportunity employment to all individuals regardless of race, color, religion, sex, sexual orientation, citizenship, national origin, disability, Veteran status, or any other characteristic protected by law. In addition, Fiverr will provide accommodation to individuals with disabilities or special needs.

As we continue to grow, we seek an experienced DevOps Engineer to join our DevOps team.

You'll play a pivotal role in shaping our cloud infrastructure and fostering a DevOps-oriented culture. Here's what you'll be doing:

Build and design efficient and high-quality cloud architectures.
Ensure seamless integration of DevOps principles into our organizational culture.
Work closely with our development teams during architecture planning and design phases.
Champion DevOps practices and facilitates continuous learning across various R&D domains.
Mentor and guide developers on best practices for efficient and automated workflows.
Manage, monitor, and scale our distributed highly available SaaS platform.
Troubleshoot issues and optimize performance.
Utilize major technologies to deliver high-scale SaaS and big data environments on Public Clouds.
Build, implement, and manage our IaC methodology using Terraform.
Play a key role in our FinOps activities, monitoring, maintaining, and reducing cloud costs.
The DevOps Engineer will be part of our cross-organization DevOps

This is a unique opportunity to join a startup that has a meaningful impact on the well-being and mental health of thousands.

We are seeking an experienced System Administrator to join our IT team.
The ideal candidate will be a team player with the ability to collaborate effectively with different teams.
Responsible for creating innovative solutions that save time for IT department.
This role involves designing, implementing, managing, and evaluating IT projects across our organization, as well as improving and changing the current infrastructure.

Responsibilities:
Active Directory and Azure Management: Manage and maintain Active Directory infrastructure, including Group Policy Objects (GPO) and Azure Active Directory integration.
VMware Infrastructure: Administer VMware vSphere across multiple environments and sites, including cluster/host operations, ESXi lifecycle, performance monitoring, and capacity planning.
Horizon: Manage Horizon VDI infrastructure: connection servers, pools, golden images, Blast/PCoIP troubleshooting, and VDI lifecycle tasks.
Microsoft 365 Administration: Administer the Microsoft 365 suite including Exchange Online, SharePoint, Teams, and OneDrive for Business. Ensure system health, permissions, mail flow, and collaboration stability.
Citrix Administration: Administer Citrix XenApp/XenDesktop environments, including delivery groups, catalogs, virtual desktop performance, and application/desktop publishing.
Storage Administration: Manage and optimize storage platforms (NetApp or Pure Storage). Oversee volumes, performance, snapshots, availability, and data integrity.
Project Management: Lead and coordinate IT projects related to system upgrades, migrations, and implementations ensuring timely completion and adherence to budget and requirements.
Scripting: Develop and maintain scripts (e.g., PowerShell, Bash) to automate routine tasks, streamline processes, and improve efficiency across the IT environment.
Okta Administration(Advantage): Oversee Okta identity and access management system, including user provisioning, authentication policies, and application integrations.
Firewalls and Switches Configuration (Advantage): Configure and maintain Palo Alto or Forti firewall rules, VPNs, and network switches to ensure security and optimize network performance.

We are looking for a DevOps Engineer to join our team. The candidate will help drive the next generation of our innovation using the cutting edge of modern technologies. This role is an excellent opportunity to learn and develop cutting-edge technologies and DevOps methodologies.

How Youll Spend Your Day:
Work within a team of professionals and be an integral part of our success.
Collaborate closely with R&D, Security, and IT teams to enhance our infrastructure.
Deploy and operate a large-scale platform.
Research, develop, and implement tools to support our monitoring infrastructure and automation.
Oversee our production environment & system health (including on-call rotation).
Contribute to the development of CI/CD processes.
Troubleshoot complex problems, from diving into the console during an issue to writing new monitors and automation.

We're seeking a technically curious and proactive IT Support & System Administrator to play a key role in supporting and enhancing our company's IT ecosystem. This is an excellent opportunity for an early-career IT professional who wants to grow their skills in a dynamic, global tech company. You'll work hands-on with modern IT systems, contribute to automation initiatives, and be part of a team that values innovation and continuous improvement.
As our IT Support & System Administrator, youll play a key role in maintaining system reliability and supporting our global workforce, and helping to build solutions that make everyone's work easier. This role offers significant growth potential and the chance to make a real impact on how we operate.
What am I going to do?
System Administration & Support
Administer and operate SaaS platforms in an enterprise environment.
Manage user lifecycle, permissions, and access controls across systems.
Support endpoint management (MDM), including device setup, configuration, and troubleshooting
Ensure operational stability of IT systems and provide structured support to a global workforce.
Maintain asset inventory and track hardware/software lifecycle management
IT Infrastructure & Operations
Support office and remote IT infrastructure, including network connectivity, Wi-Fi, and secure access solutions.
Assist with SSO/MFA enforcement according to defined security standards
Conduct routine system checks, updates, and preventive maintenance
Document IT processes, create SOPs, and maintain knowledge base articles
Participate in IT security audits and access reviews
Automation & Improvement
Assist in building and maintaining internal IT tools, scripts, and workflow automations
Take ownership of existing automation projects, ensuring they remain functional and up-to-date
Identify opportunities to streamline repetitive tasks through automation
Collaborate with the Cloud Engineering team on technical projects and system improvements
User Support & Training
Provide technical guidance and support to employees on IT systems, tools, and best practices
Troubleshoot issues with a service-oriented and professional approach.
Create and deliver training materials for new tools and system updates
Collaborate with teams to understand operational needs and improve IT support experience.

As a DevOps Infra Engineer, you will:
Own and manage the companys internal AI infrastructure, including GPU-based environments
Manage and maintain Kubernetes-based infrastructure, owning the platform end to end
Design, develop and maintain in-house infrastructure, automation tools and systems
Manage the DevOps tools including Bitbucket, Jenkins, Artifactory, Monitoring tools and databases
Implement and maintain infrastructure as code using Terraform and Ansible
Take part in solving DevOps challenges in order to support and improve R&D Services and Delivery time
Own end-to-end responsibility for DEV environments
Maintaining R&D systems and issue, build self-services tooling and improve developer experience
Test and integrate new technologies and tools (POC)
Be in charge of integration with the CI team and workflows.