8 results for Network Engineer in Darien, IL

Network Security Engineer We are recruiting a passionate and detail-oriented Network Security Engineer to safeguard the integrity of our client's computer networks and data. As a Network Security Engineer, you will play a critical role in identifying potential threats, designing, and implementing security measures, and ensuring our systems are resistant to both known and emerging cyber threats. Your responsibilities will include conducting routine and irregular security audits, drafting and enforcing security standards and policies, and ensuring the security and resilience of our networks and data. Working collaboratively with cross-functional teams, you will build and maintain systems that protect against cyber risks while ensuring smooth performance. Key Responsibilities Analyze, secure, and monitor the integrity of company computer systems and networks. Develop, implement, and update security measures, protocols, and policies to counteract cyber threats. Conduct periodic and ad hoc security audits and assessments. Respond to security breaches and mitigate the impact of potential incidents. Oversee the deployment, integration, and configuration of security tools. Design strategies to address known vulnerabilities and anticipate unknown risks. Provide guidance and training to staff on compliance measures and security policies. Work with external vendors and internal stakeholders to manage and oversee security solutions. Stay updated with the latest vulnerabilities, attack vectors, and security trends. Passionate about security and love solving complex problems, we encourage you to apply!

Security Engineer We are in search of a Security Engineer with a strong background in application development to join our FinTech team in Illinois. As a Security Engineer, you will work closely with our systems, network, and application development technology teams to manage vulnerabilities and enhance the efficiency of our information security system. Responsibilities:• Enhance the productivity and efficiency of the Information Security Program through the implementation of appropriate products and procedures• Act as an advisor, providing technical insights on controls, processes, and procedures• Review and take remedial action on internal and external network, application vulnerability, and configuration scans• Collaborate with the team to monitor and respond to SIEM, IAM, and other related Information Security Systems• Collaborate with various technical environments and business segments, and work with auditors and regulators• Improve resource and time management through advanced preparation• Continuously seek ways to improve system security• Evaluate system configurations with great judgment

IBMi Administrator Robert Half is seeking a highly skilled and experienced IBMi Systems Engineer to join our client's team. This role involves designing, implementing, and maintaining IBMi (formerly AS/400) systems and applications. The successful candidate will collaborate with cross-functional teams to ensure the seamless operation of IBMi infrastructure, troubleshoot issues, and provide technical support. This position requires a strong understanding of IBMi architecture, security, hardware, and Fortra toolsets, as well as the ability to work in a fast-paced environment. This is a contract to hire opportunity and sits onsite at the office outside of Chicago. Responsibilities:<ul><li>Deploy and implement best practices on the IBMi/Power systems platform.</li><li>Maintain optimal performance of IBMi/Power environments, related equipment, and core applications.</li><li>Perform IBMi/Power hardware and software upgrades, including operating system updates.</li><li>Monitor and optimize IBMi/Power system performance.</li><li>Manage PowerVM and virtualization of Power Systems.</li><li>Apply PTFs, CUMs, system saves, and IPL management.</li><li>Maintain system high availability and disaster recovery readiness using PowerHA.</li><li>Configure physical and virtual partitions and systems using the Hardware Management Console (HMC).</li><li>Ensure successful project completion and implementation.</li><li>Assist in regulatory audit remediation (PCI, SOX, etc.).</li><li>Monitor and enforce system security guidelines for all applications.</li><li>Develop internal documentation and procedures related to specific customer environments.</li><li>Manage backup, restore, and disaster recovery processes.</li><li>Administer FORTRA tools for IBMi.</li><li>Contribute to the development of a comprehensive monitoring and alerting strategy encompassing IBMi, storage, and all associated systems.</li><li>Participate in after-hours (24×7) support on-call rotation.</li></ul>

Sr. Security Engineer We are seeking a highly experienced and dedicated Senior Information Security Engineer to join our team. This individual will play a critical role in safeguarding our organization’s infrastructure, applications, and data by leveraging expertise in network and application security, SIEM platforms, Identity and Access Management (IAM), and regulatory compliance frameworks such as PCI DSS, SOC 2, and other standards. Key Responsibilities:<ul><li>Design, implement, and maintain robust network and application security solutions to ensure the protection of sensitive assets and infrastructure.</li><li>Manage and operate SIEM platforms to detect, monitor, and respond to security incidents effectively.</li><li>Develop, configure, and support Identity and Access Management (IAM) solutions, ensuring role-based access control and compliance with organizational policies.</li><li>Lead efforts to comply with regulatory standards (e.g., PCI DSS, SOC 2, ISO 27001) and ensure ongoing audit readiness.</li><li>Collaborate with development and operations teams to implement secure application practices and review security vulnerabilities.</li><li>Perform risk assessments, vulnerability assessments, and penetration testing to identify and remediate security gaps.</li><li>Develop and enforce security policies, procedures, and governance frameworks.</li><li>Stay up to date with the latest security trends, threats, and best practices, and recommend proactive measures to address emerging risks.</li><li>Provide mentorship to junior engineers and serve as a subject matter expert for security technologies across the organization.</li></ul>

Systems Administrator We are in search of a Systems Administrator to join our team in the manufacturing industry. As a Systems Administrator, you will be entrusted with the task of managing and troubleshooting our systems, including cloud and phone systems. This role offers a long term contract employment opportunity. Responsibilities: • Efficiently address and resolve cloud-based technology issues. • Oversee and manage phone migrations as part of system administration. • Conduct password resets and permission management in Microsoft Administration. • Handle queries and issues related to email accounts in Exchange. • Exhibit problem solving and troubleshooting skills in network and system-related issues. • Work independently and exhibit the ability to find solutions to complex queries. • Maintain a comprehensive understanding of network terminology. • Manage and monitor customer accounts and take necessary actions as needed. • Utilize skills in Cisco Technologies, Active Directory, and Cluster Analysis. • Demonstrate proficiency in handling computer hardware issues.

Systems Administrator Install, configure, and maintain operating systems, servers, and network components.Manage Active Directory, Group Policies, and user permissions.Monitor system performance, security, and network activity to prevent potential issues.Ensure data backup, disaster recovery planning, and business continuity measures are in place.Troubleshoot and resolve hardware, software, and network issues efficiently.Implement system updates, patches, and security enhancements.Maintain documentation for system configurations, procedures, and troubleshooting steps.Collaborate with other IT professionals to implement new technologies and improve efficiency.Provide technical support to employees and train users on best IT practices.Manage cloud services, virtualization technologies, and on-premises infrastructure.Assist in IT audits, compliance checks, and security risk assessments.

Systems Administrator Install, configure, and maintain servers, networks, and cloud-based systems (AWS, Azure, etc.).Monitor system performance, troubleshoot issues, and ensure high availability.Implement and manage security measures, including firewalls, antivirus, and access controls.Support virtualization technologies such as VMware, Hyper-V, or Docker.Administer Active Directory, Group Policy, and Identity Management solutions.Manage backup and disaster recovery plans to ensure business continuity.Automate repetitive tasks using scripting languages (PowerShell, Bash, Python).Maintain system documentation, including configurations and procedures.Collaborate with cross-functional teams to optimize IT operations.Provide Tier 2/3 technical support and assist in resolving escalated issues.

IT Security Administrator We are offering a contract employment opportunity for an IT Security Administrator in Pleasant Prairie, Wisconsin, United States. The primary function of this role lies within the IT industry, where you will be responsible for handling various security technologies and tools, and ensuring their optimal function. Responsibilities: • Provide expertise in Identity and Access Management (IAM), Privileged Access Management (PAM), and BeyondInsight / BeyondTrust. • Demonstrate firsthand experience with Azure and Active Directory, ensuring all technologies listed in your resume are well explained and have practical experience. • Manage security matters related to endpoint, email, and web security tools and technologies. • Manage access control and Active Directory effectively. • Provide support in Azure Active Directory and other areas of Azure support, QRadar, BeyondTrust, Active Directory, SentinelOne, Proofpoint, Zscaler, and more. • Ensure the security of Microsoft Entra ID and Microsoft Defender. • Validate and support the platforms we work in – BeyondTrust, IBM QRadar, Proofpoint, SentinelOne, Microsoft Entra ID, Microsoft Defender. • Leverage Checkpoint, Authentication, Check Point, and Checkpoint Firewall skills to enhance security measures. • Exhibit a minimum of 3-5 years of practical Cybersecurity experience.