דרושים » מחשבים ורשתות » System and Security Specialist- 2585

Job Overview: We are seeking an experienced and security-oriented system Administrator with 3-5 years of hands-on experience to join our IT team. Responsible for maintaining, configuring, and securing our organizations infrastructure, with a strong focus on networking, virtualization, and firewall administration. Strong communication and customer service skills are essential, as this role involves frequent interaction with internal users and cross-functional teams.
Key Responsibilities: Manage and monitor internal infrastructure, including servers, networks, virtualization platforms, and firewalls. Administer and maintain systems such as VMware /Hyper-V and backup solutions. Configure and maintain network devices (switches, routers, firewalls) with a focus on security best practices. Apply security patches, hardening procedures, and proactively monitor for threats and vulnerabilities. Respond to technical system support tickets and incidents in a timely and customer-focused manner. Document system configurations, processes, and procedures clearly and accurately. Collaborate with other IT staff to plan and execute infrastructure upgrades and improvements. Ensure compliance with security policies and industry standards.

seeking a qualified IT Specialist to join our HQ IT department. This role requires a professional with 2-3 years of experience to manage local and cloud infrastructure and provide high-level support to our international teams. The successful candidate will play a key role in maintaining operational efficiency and supporting organizational growth.

Responsibilities
Infrastructure Maintenance: Execute routine maintenance and monitoring of servers, systems, and critical IT infrastructure to ensure operational continuity.
Global Technical Support: Deliver technical assistance to local staff and international remote users, ensuring timely resolution of issues.
Problem Resolution: Conduct thorough investigations into technical malfunctions, identify root causes, and implement effective, long-term solutions.
Procedure Management: Create, update, and maintain technical documentation, including work procedures and knowledge base protocols.

We are looking for a technically driven and naturally curious professional who communicates clearly and works well with others, builds strong relationships, simplifies complex issues, documents work effectively, and takes a proactive and adaptable approach to problem-solving.
The position includes:
Build, maintain, and support mission-critical, highly available VMware-based environments running Windows systems
Manage Active Directory across all customer environments, including user accounts, security groups, group policies, permissions, and access control
Monitor the health and availability of customer production environments, identify issues, respond to alerts, and ensure system uptime
Handle the full lifecycle of SSL certificates, including renewals, installation, and ongoing monitoring across environments
Implement, document, and audit firewall rules to ensure proper access control and security compliance
Configure and maintain load balancer settings and DNS records across customer environments
Perform ongoing server maintenance, including Windows Server updates, patching, reboots, and health checks
Contribute to standardizing IT processes and improving operational consistency across regions
Document recurring tasks and create runbooks to ensure processes are repeatable and auditable
Configure and maintain physical IT infrastructure, including servers, storage systems, firewalls, and networking components.

We are looking for a hands-on System Administrator to join our IT team and take ownership of our day-to-day systems operations. This role is ideal for someone who enjoys working across Microsoft 365 and Azure environments, thrives in hybrid infrastructures, and wants to grow deeper into cloud and automation technologies.
You will be responsible for maintaining reliable, secure, and scalable systems while supporting users in a global environment.
Your mission:
Administer and maintain Microsoft 365 and Entra ID (Azure AD) environments
Manage identity, access, and security configurations across cloud and hybrid systems
Support and maintain Azure environments, including virtual machines and networking
Troubleshoot and resolve complex system, identity, and access-related issues
Automate repetitive administrative tasks using PowerShell where applicable
Collaborate with IT, Security, and other teams to ensure system stability and compliance
Take ownership of daily IT operations and continuously improve reliability and efficiency

we are seeking an experienced it/lab manager to lead the planning, deployment, and operations of our physical lab environment and it systems. this role will focus on building and maintaining scalable, reliable, and secure environments to support engineering teams involved in research, Quality Assurance, validation, and related activities. it will also support internal collaborators. you will have an outstanding opportunity to drive innovation in a multidimensional, technology-focused company that is crafting the future of data -center and lab technologies. if you bring perfection and creative thinking while solving issues as they arise, and enjoy working with distributed teams - your place is with us!
 
what youll be doing:
own day-to-day operations, planning, and roadmap for the engineering lab and it infrastructure (servers, Storage, networking, and related services).
lead and mentor an it/lab team, driving guidelines, standards, and a culture of ownership, partnership, and continuous improvement.
collaborate closely with r&d, qe, verification, and other engineering teams to design, provision, and maintain environments that meet their performance, reliability, and security needs.
lead all aspects of running data center and lab operations, including rack layout, cabling, power and cooling, hardware lifecycle, and resource availability.
lead procurement and vendor management for hardware, software, and services, including evaluation, negotiation, and ongoing relationship management.
implement and maintain automation for system provisioning, configuration, and operations using tools such as shell/ PERL /ansible.
design and maintain monitoring, logging, and alerting for servers, network, and Storage systems to ensure high availability and rapid incident response.
investigate and resolve sophisticated infrastructure issues across os, networking, Storage, virtualization, and application layers.

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)

Required System Administrator
We are looking for a technically driven and naturally curious professional who communicates clearly and works well with others, builds strong relationships, simplifies complex issues, documents work effectively, and takes a proactive and adaptable approach to problem-solving.
The position includes:
Build, maintain, and support mission-critical, highly available VMware-based environments running Windows systems
Manage Active Directory across all customer environments, including user accounts, security groups, group policies, permissions, and access control
Monitor the health and availability of customer production environments, identify issues, respond to alerts, and ensure system uptime
Handle the full lifecycle of SSL certificates, including renewals, installation, and ongoing monitoring across environments
Implement, document, and audit firewall rules to ensure proper access control and security compliance
Configure and maintain load balancer settings and DNS records across customer environments
Perform ongoing server maintenance, including Windows Server updates, patching, reboots, and health checks
Contribute to standardizing IT processes and improving operational consistency across regions
Document recurring tasks and create runbooks to ensure processes are repeatable and auditable
Configure and maintain physical IT infrastructure, including servers, storage systems, firewalls, and networking components.

We are seeking IT System Administrator to join the IT group, reporting to the Head of IT. We are looking for a team player, independent and responsible person, quick learner, adapting to changes.
You will:
Be part of our Global IT team for all companys worldwide employees.
Lead technical projects within the IT team, working with DevOps, Security & R&D.
Provide technical assistance and support for incoming queries and issues related to computer systems, software, and hardware.
Deliver innovative solutions (cloud platforms) Azure AD, Office 365, Intune, and related technologies
Monitor network performance and troubleshoot problem areas as needed
Support on / off-boarding process