We are looking for a dedicated Systems Administrator to join our team in Pleasant Prairie, Wisconsin. In this Contract-to-Permanent position, you will oversee and maintain a multi-location network and telecommunications infrastructure, ensuring seamless connectivity, security, and optimal performance. This role offers an opportunity to collaborate with a dynamic team while supporting end-users and managing critical IT systems.<br><br>Responsibilities:<br>• Monitor, maintain, and optimize network performance to ensure uninterrupted access across multiple locations.<br>• Diagnose hardware issues and coordinate with vendors for timely repairs or replacements.<br>• Develop and implement solutions to enhance network security, efficiency, and cost-effectiveness.<br>• Provide Tier 3 technical support for IT and telephony networks, ensuring timely resolution of issues in compliance with service level agreements.<br>• Manage user access rights and network server backups to maintain data security and disaster recovery readiness.<br>• Install, configure, and upgrade computer hardware and software as required.<br>• Troubleshoot network-related issues and assist end-users with hardware and software challenges.<br>• Ensure compliance with software licensing requirements for all organizational applications.<br>• Document and adhere to established network management procedures, contributing to process improvements.<br>• Collaborate on the evaluation and integration of new technologies to enhance system operations.
<p>We are looking for an experienced Senior Systems Administrator to oversee and manage enterprise-level Windows servers and Azure cloud environments. This long-term contract position is based in Chicago, IL, and offers an excellent opportunity to contribute to a hybrid IT infrastructure by ensuring high availability, security, and optimal performance. The ideal candidate will have a strong background in system maintenance, cloud services, and network configurations.</p><p><br></p><p>Responsibilities:</p><p>• Oversee the administration and maintenance of Windows Server environments, including tasks such as Active Directory management, Group Policy configuration, and system updates.</p><p>• Manage and optimize Azure infrastructure components, including virtual machines, storage accounts, and networking configurations.</p><p>• Configure, troubleshoot, and maintain Domain Name System (DNS) services across hybrid environments.</p><p>• Monitor system health and performance, taking proactive measures to resolve issues and minimize downtime.</p><p>• Implement robust security practices, including identity management, access control, and patching protocols.</p><p>• Develop and execute automation scripts using PowerShell and Azure tools to streamline operations.</p><p>• Collaborate with cross-functional teams, such as network and security groups, to ensure seamless system integration and compliance.</p><p>• Maintain and test backup systems, disaster recovery protocols, and business continuity plans for both on-premises and cloud environments.</p><p>• Participate in the planning and execution of system upgrades, migrations, and cloud adoption initiatives.</p><p>• Provide advanced technical support for escalated issues and maintain detailed documentation of system configurations and procedures.</p>
We are looking for an experienced Network Engineer to join our team in Chicago, Illinois. In this role, you will design, implement, and maintain complex network systems to ensure seamless connectivity and security for our organization. This position requires expertise in networking protocols, hardware, and cloud technologies, as well as a strong commitment to regulatory compliance and risk management.<br><br>Responsibilities:<br>• Design, implement, and support network systems, including routing, switching, and firewall technologies.<br>• Manage and troubleshoot network devices such as Cisco routers, Palo Alto firewalls, and Juniper hardware.<br>• Collaborate with cross-functional teams to ensure network infrastructure aligns with organizational goals and regulatory requirements.<br>• Monitor network performance and resolve connectivity issues using advanced troubleshooting techniques.<br>• Develop and enforce security protocols, including Layer 7 firewalling, Network Access Control, and Radius integration.<br>• Configure and manage cloud networking solutions, including AWS Transit Gateways and Azure ExpressRoute.<br>• Perform risk assessments and ensure compliance with industry standards and regulations.<br>• Lead projects from initiation to delivery, ensuring timely completion and adherence to scope.<br>• Optimize wireless network performance using technologies like Aruba ClearPass and WiFi solutions.<br>• Maintain documentation of network configurations, processes, and procedures for audit and operational reference.
<p>We are seeking a Penetration Tester to join our Chicago cybersecurity team. This role will support penetration testing operations across applications, networks, and enterprise environments. The ideal candidate will bring deep technical expertise, proven experience in vulnerability research and exploitation, and the ability to work as part of a collaborative offensive security team.</p><p><strong>Primary Responsibilities</strong>:</p><p>· Conduct penetration testing operations in accordance with DHS and industry best practices.</p><p>· Perform web application, network, and infrastructure testing using both commercial and open-source tools.</p><p>· Safely execute testing activities under defined operational guidance.</p><p>· Document findings in detailed reports with actionable remediation recommendations.</p><p>· Collaborate with SOC, engineering, and defensive security teams to validate and remediate vulnerabilities.</p><p>· Contribute to tool development, methodology refinement, and knowledge-sharing across the team.</p><p><br></p><p>Schedule: 5 days onsite form 8pm to 4AM (Overnight)</p>
<p><strong>Location: </strong><em>EITHER </em>O'Hare or Midway -- 100% onsite</p><p><strong>Shift: </strong>8pm - 4am</p><p><strong>Job Description</strong>: We are seeking a Senior Penetration Tester to join our Chicago cybersecurity team. This role will support penetration testing operations across applications, networks, and enterprise environments. The ideal candidate will bring deep technical expertise, proven experience in vulnerability research and exploitation, and the ability to work as part of a collaborative offensive security team.</p><p><strong>Primary Responsibilities</strong>:</p><p>· Conduct penetration testing operations in accordance with DHS and industry best practices.</p><p>· Perform web application, network, and infrastructure testing using both commercial and open-source tools.</p><p>· Safely execute testing activities under defined operational guidance.</p><p>· Document findings in detailed reports with actionable remediation recommendations.</p><p>· Collaborate with SOC, engineering, and defensive security teams to validate and remediate vulnerabilities.</p><p>· Contribute to tool development, methodology refinement, and knowledge-sharing across the team.</p><p><br></p>
<p>Robert Half is seeking a Senior IT Systems Engineer to lead the implementation, management, and support of its vital information technology infrastructure. This role requires expert-level knowledge of server, network, and application technologies, along with a proven ability to manage complex projects and mentor junior team members. Candidates should have experience with Microsoft Windows or Linux server environments, storage area networks, VMware virtualization, and healthcare-specific systems like Epic EMR. Certifications like MCSE or Red Hat, as well as expertise in scripting, programming, and networking, are highly desired. Strong problem-solving abilities, leadership skills, and a customer-centric approach are essential to excel in this senior position.</p><p><br></p>
<p>We are looking for an experienced Azure Administrator to join our team on a long-term contract basis in Rolling Meadows, IL. The ideal candidate will bring a strong background in system analysis and expertise in managing cloud-based environments, ensuring optimal performance and security. This role offers an opportunity to work on cutting-edge technologies and contribute to critical infrastructure projects.</p><p><br></p><p>Responsibilities:</p><p>• Maintain and optimize Azure cloud infrastructure to ensure reliability and scalability.</p><p>• Manage Active Directory configurations and resolve any related issues.</p><p>• Analyze business requirements and translate them into technical solutions.</p><p>• Administer Microsoft SQL Server databases, ensuring data integrity and performance.</p><p>• Conduct system analysis to identify areas for improvement and implement solutions.</p><p>• Collaborate with cross-functional teams to support organizational IT needs.</p><p>• Develop and maintain documentation, including Business Requirement Documents.</p><p>• Implement and manage integration with IBM systems.</p><p>• Monitor system performance and troubleshoot issues to maintain operational efficiency.</p><p>• Stay updated on emerging technologies and recommend enhancements to current systems.</p>
<p>We are looking for a skilled and empathetic POS Network Engineer to join our team in Chicago, Illinois. In this long-term contract role, you will play a critical part in managing and optimizing network systems while ensuring seamless operations across various platforms. This position requires strong networking expertise, excellent interpersonal skills, and a proactive approach to technical problem-solving.</p><p><br></p><p>Responsibilities:</p><p>• Administer and maintain user accounts, roles, workflows, and security settings in alignment with organizational policies.</p><p>• Conduct routine system upkeep, including updates, backups, patching, and preventative maintenance to enhance system reliability and security.</p><p>• Monitor and evaluate system performance metrics and data trends to identify opportunities for optimization and automation.</p><p>• Deliver technical support and training to end users, including restaurant managers and corporate staff, both remotely and on-site.</p><p>• Collaborate with vendors, service providers, and internal teams to troubleshoot issues, manage licenses, and implement new technologies.</p><p>• Assist in planning, testing, deploying, and documenting system updates and enhancements.</p><p>• Support technology rollouts for new restaurant openings, relocations, and remodels.</p><p>• Maintain accurate records of IT assets, licenses, and equipment inventory.</p><p>• Participate in after-hours support rotations to address critical system issues.</p><p>• Develop and update documentation such as user guides, troubleshooting manuals, and system configurations.</p>
<p>We are looking for a skilled Server Admin Migration Engineer to join our team on a long-term contract basis. This role requires expertise in managing and optimizing server environments, ensuring seamless integration and operation of systems. Ideal candidates will possess strong technical knowledge in Active Directory, Microsoft Windows Server, Azure Active Directory, and Citrix technologies.</p><p><br></p><p>Responsibilities:</p><p>• Oversee the administration and maintenance of Active Directory systems to ensure optimal performance.</p><p>• Configure, manage, and troubleshoot Microsoft Windows Server environments.</p><p>• Implement and support Azure Active Directory solutions for enhanced cloud-based functionality.</p><p>• Manage Citrix technologies, ensuring smooth operation and user accessibility.</p><p>• Provide technical support and guidance for Microsoft Exchange systems.</p><p>• Collaborate with cross-functional teams to assess system requirements and recommend improvements.</p><p>• Monitor server performance and implement updates to maintain security and efficiency.</p><p>• Develop documentation and procedures for server migrations and upgrades.</p><p>• Ensure compliance with organizational policies and industry standards in system operations.</p><p>• Participate in planning and executing server migration projects with minimal disruption.</p>
