דרושים » מחשבים ורשתות » Senior system Administrator

We're looking for a talented IT Infrastructure & Cloud Engineer who will be responsible for our IT and Cloud corporate infrastructure.
You will be suggesting, implementing and deploying new solutions together with maintaining the existing infrastructure, assuring that all our systems are in optimal condition, providing the best service to our clients.
Responsibilities:
Be responsible for requests from the field, related to our global corporate on-premise and cloud infrastructure. This includes servers, storage appliances, active network equipment, firewalls, cloud services, cloud automations, CI/CD and other initiatives.
Design and oversee the integration of core services and platforms such as AWS, Google Cloud and Workspace, Okta, Cloud Backups, Zero Trust Network Access (ZTNA), Secure Web Gateway, Cloud-based EDR and other cutting-edge technologies.
Spearhead the strategy, implementation, and governance of GenAI tools and platforms across the company, focusing on process improvement, building internal AI agents, and driving organizational AI transformation.
Lead the architectural design and deployment of scalable, reliable, and secure corporate infrastructure, emphasizing Infrastructure as Code (IaC) principles to manage on-premise and cloud environments.
Define network policies and procedures, including design, planning network new communication systems and monitoring to allow high quality service for our global offices.
Collaborating with our security team to implement technology and security policies, safeguarding our systems and data from potential threats.

About the Rolewe are seeking an experienced Linux system Administrator to join our dynamic IT team. In this role, you will install, monitor, and maintain production Linux systems tailored for high-performance Electronic Design Automation (EDA) workloads. You will work in a fast-paced, heterogeneous computing environment, providing critical support to our CAD and Engineering teams. Key Responsibilities system Maintenance: Install, configure, monitor, and maintain production Linux servers. Workload Optimization: Support high-performance computing (HPC) systems optimized for EDA workloads. Cross-Team Collaboration: Provide Technical Support and infrastructure solutions to CAD and Engineering teams. Environment Management: Maintain and troubleshoot a complex, heterogeneous IT computing environment. Performance Monitoring: Ensure maximum system uptime, reliability, and security across all platforms. AI Integration: Assisting developers in integrating cutting edge AI tools in design methodologies

The role focuses on maintaining highly available, secure, and scalable IT services while driving automation, monitoring, infrastructure modernization, and operational excellence. The position works closely with IT, DevOps, Engineering and business teams to ensure reliable infrastructure supporting critical production systems. This role reports to the IT Infrastructure Manager. The position is full-time and based offices in Tel Aviv.

Key Responsibilities
Infrastructure Administration
Administer and maintain enterprise Linux and Windows Server environments.
Manage Nutanix AHV infrastructure, including Prism Central/Element, virtual machine lifecycle, storage containers, networking, snapshots, high availability, capacity planning, and performance optimization.
Administer VMware vSphere/vCenter environments and support hybrid virtualization infrastructure.
Install, configure, upgrade, patch, migrate, and troubleshoot enterprise servers and infrastructure services.
Ensure infrastructure availability, resilience, and business continuity.
Enterprise Infrastructure Services
Administer Active Directory, DNS, DHCP, Group Policy, PKI/Certificate Services, IIS, Apache, and Nginx.
Manage SSL/TLS certificates and Certificate Authority infrastructure.
Monitoring & Reliability
Design, implement, and maintain enterprise monitoring using Zabbix.
Develop custom monitoring templates, triggers, dashboards, discovery rules, and alerting.
Perform root cause analysis and proactively improve infrastructure reliability.
Security & Compliance
Maintain secure infrastructure following industry best practices.
Support vulnerability remediation and infrastructure hardening.
Manage PKI, SSL certificates, and secure communications.
Assist with disaster recovery and security initiatives.
Technical Support & Operations
Provide Tier 2/3 infrastructure support.
Troubleshoot complex Linux, Windows, virtualization, networking, and application issues.
Support production systems, engineering teams, DevOps, and international stakeholders.
Participate in planned maintenance and after-hours support when required.

We're looking for an experienced Senior IT Systems Engineer to join our Global IT team and help shape the future of our modern, cloud-first infrastructure.
This is a high-impact role for someone who enjoys combining enterprise IT, cloud infrastructure, automation, and security. You'll take ownership of mission-critical systems, drive operational excellence, and help build scalable, secure, and automated IT services that support a global hybrid workforce.
If you're passionate about cloud technologies, automation, and solving complex infrastructure challenges, we'd love to meet you.
What You Will Own:
Design, implement, and manage enterprise infrastructure across Azure, AWS, Microsoft 365, and Docker-based environments
Own endpoint management and compliance using Microsoft Intune across Windows, macOS, and mobile devices
Build and automate onboarding, offboarding, and IT operational workflows using PowerShell, Python, Azure CLI, AWS CLI, and automation platforms such as Workato
Manage Microsoft Entra ID (Azure AD), including Conditional Access, MFA, RBAC, and identity lifecycle management
Strengthen endpoint and cloud security using technologies such as CrowdStrike, Cato Networks, firewalls, and modern security controls
Troubleshoot complex networking environments, including VPNs, DNS, routing, and cloud networking
Lead infrastructure improvements that increase scalability, reliability, and operational efficiency
Provide technical leadership and mentorship to the IT team while maintaining high-quality documentation and best practices
Collaborate with Security, Engineering, HR, and Operations to deliver secure and seamless IT services

We are a leading technology company specializing in the development of advanced digital solutions for the B2B retail industry, data analytics, business intelligence, and supply chain management. We are looking for an experienced, professional, and service-oriented system Administrator to join our IT team. In this role, you will be responsible for the day-to-day operation and maintenance of the company's IT infrastructure, troubleshooting and resolving complex infrastructure issues, maintaining enterprise IT environments, and providing Technical Support to end users.
Key Responsibilities
* Manage, maintain, and upgrade Windows Servers, Active Directory, and Group Policy (GPO) environments.
* Operate and maintain networking infrastructure, including routers, switches, and firewalls (Fortinet/FortiGate or Check Point experience is preferred).
* Monitor infrastructure and troubleshoot network and system -related issues.
* Manage backup and disaster recovery systems.
* Provide Tier 2-3 Technical Support for end users.
* Install software and endpoint devices and manage workstations.
* Maintain accurate system documentation and operational procedures.
* Participate in enterprise IT infrastructure projects.
* Analyze and resolve complex end-to-end infrastructure issues.
* Participate in the team's on-call rotation as required.

We're looking for an experienced IT Engineer to serve as the IT Manager's right hand, taking ownership of day-to-day IT infrastructure, security operations, and R&D tooling support. This role focuses on hands-on technical expertise with operational responsibility, ensuring the reliability, security, and efficiency of our IT environment.
Responsibilities:
Act as the IT Manager's right hand across infrastructure, security, and vendor management
Support R&D tooling (Jira, Confluence, Polarion, FlexLM) and serve as the primary contact for external vendors
Implement and maintain cybersecurity policies, tools, and controls
Support the annual ERP upgrade project and ongoing ERP operations
Contribute to IT ISO/automotive compliance and SOX controls
Design, deploy, and maintain IT infrastructure and systems, including identity (AD/Entra ID), endpoint management, and cloud services
Develop PowerShell/bash automation for recurring administrative and security tasks
Troubleshoot OS, hardware, and software issues across the organization
Analyze system data and produce reports/recommendations
Collaborate with logistics and other group stakeholders on IT needs
Deliver excellent, responsive support to internal users.

We are seeking an experienced Linux Systems Administrator to join the team responsible for managing and maintaining our high-performance, multi-user Linux server environment and CI/CD pipelines. This hands-on role is critical to the daily operations of our research and engineering groups. The ideal candidate will possess a strong background in Linux system administration, proficiency in Python for updating and maintaining custom tooling, and the technical capability to provide high-tier support to our engineering users. As a proactive, self-learner individual, you take initiative, work independently, and actively identify opportunities for operational improvement and bring new ideas to the table.
Responsibilities:
Core Infrastructure: Manage and scale our large-scale AWS-hosted Linux server environment, ensuring high availability and performance.
Tooling & Automation: Architect and maintain custom Python-based solutions for automation, internal dashboards, and self-hosted services.
Engineering Enablement: Provide high-level support for our internal users, resolving complex environment and connectivity challenges to keep the team unblocked.
Pipeline Reliability: Own the health and optimization of our CI/CD pipelines (Jenkins/GitHub Actions).
Security & Governance: Proactively manage system hardening, backups, and routine security audits.

We are looking for a System Integrator to join the company integration division, the position is primarily hands-on involving delivering and supporting large scale projects. Every project is unique and will require learning new technologies and designing new solutions to meet the R&D requirements & deliver a complete solution with Infrastructure & software to the end customer.
The integration team is involved throughout the lifecycle of the R&D process from the development stage lab environments to the full-scale deployment in the customer premise and ongoing support & upgrades once the delivery is complete. Support customers (outside the office) Willingness to travel overseas to customers. On call responsibilities.

We are looking for a hands-on IT administrator to take end-to-end ownership of corporate IT environment. You will be the single owner of our identity, endpoint,, working closely with the CISO to ensure our IT environment is secure, well-governed, and cost-efficient.
As a regulated fintech company, we hold ourselves to a high bar: every account, every application, and every license must have an owner, a purpose, and a secure configuration. You will be the person who makes that true - and keeps it true.
Responsibilities:
Own the administration of JumpCloud as our identity and device management platform, including SSO, MFA policies, device policies, directory hygiene, and integrations.
Administer and secure Google Workspace, Microsoft 365 and Claude Enterprise environments, including tenant configuration, security baselines, data sharing controls, and admin role governance.
Own the full user lifecycle: structured onboarding, role changes, and offboarding across all systems, ensuring timely deprovisioning and zero orphaned accounts.
Manage and support workstations, printers and office equipment. Administer Windows and Mac workstations and mobile devices, including MDM enrollment, patching, encryption, and endpoint hardening. Manage employee onboarding and offboarding logistics, equipment, and provide day-to-day technical support to end-users.