<p><strong>Job Title: Field Systems Engineer – IT Infrastructure & Client Services</strong></p><p><br></p><p><strong>Overview:</strong></p><p>Robert Half is seeking a tech-savvy, solutions-oriented Field Systems Engineer who thrives in client-facing environments and enjoys building strong, long-term relationships through technical excellence. This role offers a unique mix of on-site support, systems engineering, and strategic consulting in a managed services environment. You'll be guiding clients through infrastructure modernization, cybersecurity enhancement, and cloud transformation.</p><p><br></p><p><strong>This is a Direct/Permanent Hire position, that will require a hybrid in-office schedule.</strong></p><p><strong>Travel to local clients is required. Must have a valid driver's license and active insurance policy.</strong></p><p><br></p><p><strong>What You'll Do:</strong></p><ul><li>Act as the primary technical contact for a portfolio of business clients, managing all aspects of their IT systems.</li><li>Architect, configure, and support a range of systems including servers, network gear, firewalls, and data protection tools.</li><li>Plan and execute server transitions, network refreshes, and virtualization rollouts using Hyper-V or VMware.</li><li>Deploy and manage cloud platforms like Microsoft 365, Azure, and SharePoint.</li><li>Offer advanced troubleshooting for escalated service tickets beyond the helpdesk or remote operations center.</li><li>Conduct regular system audits, performance assessments, and preventive maintenance tasks.</li><li>Recommend and implement security solutions, including MFA, EDR, and compliance support across HIPAA, PCI, and other frameworks.</li><li>Participate in technical planning sessions with client stakeholders to align IT strategy with business goals.</li><li>Contribute to internal process improvements and stay on top of evolving tech stacks and industry best practices.</li></ul><p><br></p>
<p>Are you passionate about securing applications and systems while working to counter emerging cybersecurity threats? We are seeking an Application Security Engineer to join our dynamic team. In this role, you'll focus on protecting applications, implementing secure development practices, and working closely with developers and other teams to identify vulnerabilities and design effective security solutions.</p><p><br></p><p><strong>Key Responsibilities:</strong></p><ul><li>Conduct security assessments, code reviews, and penetration testing to identify vulnerabilities.</li><li>Design, implement, and maintain security solutions for web and mobile applications.</li><li>Partner with development teams to ensure security best practices are integrated into the software development lifecycle.</li><li>Perform regular application security audits and compliance reviews.</li><li>Develop and enforce security policies and protocols.</li><li>Investigate and respond to application security incidents and implement countermeasures.</li><li>Stay up-to-date on emerging security technologies and threat trends.</li></ul>
<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>
<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>We are looking for a skilled Azure Network Engineer to join our team in Milwaukee, Wisconsin. In this role, you will play a critical part in supporting and optimizing our enterprise network infrastructure, both on-premises and in the cloud. This position requires a balanced focus on networking and systems, with an emphasis on ensuring secure and efficient connectivity across various platforms.</p><p><br></p><p>Responsibilities:</p><p>• Provide operational support for network infrastructure, including both on-premises systems and Azure-based environments.</p><p>• Manage and optimize Azure networking components such as VNets, NSGs, Application Gateways, Azure Firewall, and ExpressRoute.</p><p>• Monitor and analyze network performance, identifying and resolving issues to ensure seamless operations.</p><p>• Configure and deploy network hardware, as well as cloud networking tools, to meet organizational needs.</p><p>• Ensure secure connectivity between on-premises and cloud platforms, adhering to best practices and security standards.</p><p>• Document network architecture and processes, while identifying opportunities for improvement and optimization.</p><p>• Collaborate with infrastructure and security teams to maintain and enhance network performance and security.</p><p>• Plan and execute network upgrades, patches, and changes to ensure systems are up-to-date and secure.</p><p>• Participate in knowledge sharing and training sessions to support team development and operational excellence.</p>
We are looking for a skilled and proactive Senior 365 Systems Administrator to lead IT operations in our Milwaukee, Wisconsin office. This role combines hands-on technical expertise with leadership responsibilities, providing an exciting opportunity to manage IT infrastructure while guiding less experienced team members. The ideal candidate will thrive in a dynamic environment, driving strategic initiatives in cybersecurity, infrastructure modernization, and enterprise-level system management.<br><br>Responsibilities:<br>• Provide comprehensive technical support for systems, networks, and devices to ensure seamless IT operations.<br>• Lead IT planning and execution strategies to optimize infrastructure across multiple locations.<br>• Manage and oversee a hybrid server environment, including PowerEdge servers and domain controllers.<br>• Guide the transition from local Active Directory to Microsoft Intune, including creating and deploying Intune policies for device and patch management.<br>• Develop and implement cybersecurity training programs to enhance user awareness and system compliance.<br>• Mentor and manage less experienced IT team members, fostering their growth and delegating tasks effectively.<br>• Collaborate with HR and leadership teams to align IT strategies with organizational goals and support onboarding processes.<br>• Provide support to over 300 users across various locations, ensuring their IT needs are met efficiently.<br>• Reduce dependency on external IT vendors by optimizing internal systems and processes.<br>• Ensure all systems remain secure, compliant, and up-to-date with the latest technologies.
We are looking for a knowledgeable and proactive IT Security Specialist to oversee and enhance network and data security within a hybrid infrastructure environment. This role involves collaborating with global teams to design, implement, and maintain secure systems while ensuring compliance with industry standards. As this is a long-term contract position, we seek someone who is committed to driving security initiatives and delivering sustainable solutions.<br><br>Responsibilities:<br>• Conduct assessments to identify vulnerabilities and risks across hybrid environments, including on-premises and cloud systems.<br>• Develop and implement secure connectivity frameworks to integrate on-premises, cloud, and third-party systems.<br>• Apply data protection measures such as encryption, secure transfer protocols, and access control mechanisms.<br>• Collaborate with offshore teams to guide and review security configurations for adherence to standards.<br>• Perform risk evaluations and assist in remediating findings from penetration tests and vulnerability scans.<br>• Create and maintain documentation for security architectures, policies, and operational procedures.<br>• Participate in change management processes to ensure secure deployment of applications and infrastructure.<br>• Monitor security alerts and coordinate responses to incidents in collaboration with relevant teams.<br>• Facilitate audits and compliance reviews by providing necessary documentation and evidence.<br>• Engage with infrastructure and application teams to align on secure design principles.
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.
We are looking for a skilled Systems Administrator to join our team in Glendale, Wisconsin, on a contract basis. In this role, you will be responsible for managing and maintaining IT systems, ensuring their optimal performance and security. You will collaborate with various teams to support infrastructure needs and resolve technical challenges efficiently.<br><br>Responsibilities:<br>• Administer and maintain Active Directory environments, ensuring proper functionality and security.<br>• Manage Windows Server systems, including updates, configurations, and troubleshooting.<br>• Provide support for Windows 10, addressing user issues and ensuring smooth operations.<br>• Oversee Dell Technologies hardware, ensuring proper deployment, maintenance, and performance.<br>• Implement and support Citrix technologies to optimize virtual environments and user experiences.<br>• Monitor system performance and resolve technical issues promptly to minimize downtime.<br>• Collaborate with IT team members to plan and execute system upgrades and improvements.<br>• Ensure compliance with organizational policies and industry standards for IT systems.<br>• Conduct regular system audits and prepare detailed reports on findings.<br>• Provide technical guidance and training to team members as needed.
<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>