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10 results for Cybersecurity Engineer in Chicago, IL

Infrastructure & Security Engineer

Naperville, IL
onsite
Permanent / Full Time
120000 - 148000 USD / Yearly
Our client is seeking an experienced Infrastructure Security Engineer to support and secure a hybrid Microsoft environment spanning both on-premises and cloud platforms. This role is ideal for a hands-on professional with deep experience across traditional server and network infrastructure, along with responsibility for enterprise security tooling, threat monitoring, and ongoing security operations. The organization is currently in a hybrid state and actively transforming to a more cloud-centric environment, so this individual will play a key role in both day-to-day operational security and longer-term modernization efforts. Based on general knowledge. Key Responsibilities<ul><li>Manage and secure core infrastructure, including servers, networks, firewalls, switches, VPNs, and related systems in a hybrid on-premises and cloud environment. Based on general knowledge.</li><li>Administer, maintain, and optimize security tools such as endpoint protection, vulnerability management, SIEM, email security, identity and access management, and monitoring platforms. Based on general knowledge.</li><li>Monitor infrastructure and security events, investigate alerts, respond to incidents, and support remediation efforts. Based on general knowledge.</li><li>Partner with infrastructure and leadership teams to strengthen security controls across Microsoft technologies, including Active Directory, Azure, Microsoft 365, and related platforms. Based on general knowledge.</li><li>Support the company’s transition from traditional on-premises infrastructure to cloud-based solutions by helping design and implement secure architectures and best practices. Based on general knowledge.</li><li>Perform vulnerability assessments, patch management coordination, system hardening, and access reviews across servers, endpoints, and network devices. Based on general knowledge.</li><li>Develop and maintain security documentation, standards, procedures, and incident response processes. Based on general knowledge.</li><li>Assist with compliance, audit readiness, and security improvement initiatives. Based on general knowledge.</li><li>Collaborate with internal teams and third-party vendors to ensure reliable infrastructure performance and effective security coverage. Based on general knowledge.</li></ul>
2026-06-04T00:00:00Z

IT Security Engineer – Zscaler Specialist

Chicago, IL
onsite
Temporary / Contract
63.65 - 73.7 USD / Hourly
We are looking for an experienced IT Security Engineer – Zscaler Specialist to support and strengthen enterprise cloud security operations in Chicago, IL. This Long-term Contract position focuses on administering and enhancing Zscaler-based security services while helping maintain a reliable, scalable, and well-governed security environment. The role will partner with cross-functional teams to evaluate requirements, resolve technical issues, and improve secure access, web protection, and data safeguarding capabilities. Responsibilities:• Administer and optimize Zscaler security platforms to support secure, high-performing access across cloud and enterprise environments.• Investigate configuration issues, analyze service behavior, and implement corrective actions to maintain stable security operations.• Collaborate with infrastructure, network, and application teams to align security controls with business needs and technical requirements.• Support secure web access, zero trust connectivity, firewall policy coordination, and data protection initiatives across the environment.• Conduct reviews of existing processes and technical documentation to identify gaps, recommend improvements, and strengthen operational consistency.• Translate business and security needs into clear technical requirements, user stories, and actionable implementation plans in Agile delivery settings.• Participate in troubleshooting efforts, root cause analysis, and service improvement activities to reduce risk and enhance platform performance.• Assist with documentation updates, control validation, and ongoing analysis related to security changes, policies, and operational procedures.
2026-06-08T00:00:00Z

Firmware Engineer

Chicago, IL
onsite
Temporary to Hire
43.5385 - 50.08 USD / Hourly
We are looking for a skilled Firmware Engineer to join our team in Chicago, Illinois, on a contract with the potential for a long-term position. In this role, you will contribute to the development, testing, and maintenance of embedded firmware for advanced control systems. This opportunity is ideal for a proactive engineer who thrives in an agile and collaborative environment, with the possibility to transition into a long-term role. Responsibilities: • Design and develop embedded firmware using C++ for control systems in industrial environments. • Test, debug, and maintain firmware to ensure optimal performance and reliability. • Collaborate with engineering teams to implement new features and enhance existing functionality. • Work independently to navigate and improve large, established codebases. • Utilize version control systems, such as Git, to manage code changes effectively. • Contribute to platform modernization and extend firmware capabilities for next-generation systems. • Troubleshoot complex issues and provide innovative solutions to improve system efficiency. • Interact with internal stakeholders, including product owners, to align development efforts with business goals. • Support both legacy and newer firmware platforms, depending on team assignment.
2026-05-15T00:00:00Z

Data Security Analyst

Chicago, IL
onsite
Temporary / Contract
79.1635 - 91.663 USD / Hourly
We are looking for a Data Security Analyst to support and strengthen email and messaging security operations for a Contract position based in Chicago, Illinois. This role focuses on protecting the organization from phishing, malware, impersonation, and other email-borne threats while improving the reliability and security of mail delivery. The ideal candidate brings deep experience with Proofpoint, hybrid messaging environments, and user-focused security practices, along with the ability to communicate clearly across technical and non-technical teams. Responsibilities: • Investigate and resolve complex email security and delivery issues, including routing failures, encryption challenges, quarantine events, and user-reported security concerns. • Review dashboards, system logs, and alert activity to identify and respond to phishing attempts, malware incidents, spoofing, and impersonation threats. • Administer and optimize Proofpoint Essentials and related integrations to maintain strong protection across the messaging environment. • Configure and maintain email security controls, including encryption settings, policy rules, and quarantine management processes. • Lead initiatives involving Proofpoint enhancements, platform updates, and rollout of new security capabilities. • Develop clear guidance and training materials for IT teams and end users on secure email practices and available protection tools. • Support security awareness efforts by helping manage phishing simulation activities and user education programs. • Collaborate with broader security operations by connecting email security insights with SIEM platforms and other enterprise security tools where applicable.
2026-06-08T00:00:00Z

Network Engineer

Schaumburg, IL
onsite
Temporary / Contract
71.25 - 82.5 USD / Hourly
We are looking for an experienced Network Engineer to support enterprise networking and security initiatives in Schaumburg, Illinois. This Long-term Contract position focuses on designing, administering, and optimizing secure network environments across firewall, wireless, and cloud-managed platforms. The role requires a hands-on, detail-oriented individual who can strengthen connectivity, improve visibility, and help deliver infrastructure changes with minimal disruption. Responsibilities: • Administer and enhance network security platforms using Fortinet solutions, including firewall, endpoint access, and analytics tools. • Manage Aruba-based switching, wireless, and centralized management environments to maintain reliable campus and branch connectivity. • Plan and execute secure connectivity updates, including IPsec-related changes, pilot deployments, and production implementations. • Integrate network and security systems with identity services such as Active Directory and Entra ID to support controlled access. • Oversee certificate usage and lifecycle processes to help maintain trusted authentication across network services. • Monitor logs, generate operational reporting, and troubleshoot issues spanning firewalls, routing, wireless, and security infrastructure. • Create and maintain technical documentation, including standard procedures, operational runbooks, and knowledge transfer materials. • Collaborate with technical teams to support cloud-managed networking and security platforms while improving performance and resilience.
2026-05-27T00:00:00Z

Software Engineering Manager

Chicago, IL
onsite
Permanent / Full Time
150000 - 200000 USD / Yearly
We are looking for a Software Engineering Manager to lead the planning, delivery, and ongoing support of business-critical applications for a legal organization in Chicago, Illinois. This role combines technical leadership with hands-on involvement, guiding application strategy, improving system quality, and partnering with stakeholders to identify practical technology solutions. The ideal candidate brings strong experience in software development, vendor collaboration, and application lifecycle management, along with the ability to translate operational needs into scalable systems. Responsibilities: • Lead the evaluation of business needs and technical requirements to determine the best approach for new or enhanced applications. • Oversee the design, development, testing, deployment, and support of web, intranet, and enterprise applications across all stages of the software lifecycle. • Partner with attorneys, managers, directors, and other stakeholders to recommend technology solutions that improve workflows and align with organizational goals. • Coordinate work delivered by internal teams, external vendors, and software providers to ensure projects meet quality, timing, and performance expectations. • Direct application implementation efforts, including quality assurance processes, issue resolution, and production readiness activities. • Establish and maintain sound data structures and integration approaches that support efficient information flow across enterprise systems. • Provide senior-level technical guidance to the development team, helping resolve complex design, coding, and integration challenges. • Maintain oversight of the technical direction and long-term roadmap for software products supporting practice and administrative functions. • Contribute directly to development and support work when needed to keep initiatives moving and address priority issues.
2026-05-28T00:00:00Z

Sr. Software Engineer

Chicago, IL
onsite
Temporary to Hire
55.4135 - 64.163 USD / Hourly
We are looking for a skilled Sr. Software Engineer to join a dynamic team within the real estate and property industry. In this contract-to-permanent position, you will play a key role in building and maintaining custom web applications that drive operational efficiency across the organization. This role is based in Chicago, Illinois, and offers a hybrid work environment with three days onsite per week. Responsibilities: • Design, develop, test, and deploy full stack web applications using React and .NET technologies. • Own the architecture, scalability, and maintainability of internal applications to ensure long-term performance. • Build and integrate APIs, connecting front-end, back-end, and database layers seamlessly. • Troubleshoot and enhance existing applications to improve functionality and user experience. • Partner with data engineering and analytics teams to align applications with the organization's data platform. • Write clean, secure, and well-documented code that adheres to industry best practices. • Conduct code reviews and participate in deployment processes to maintain high-quality standards. • Provide production support and resolve technical issues in a timely manner. • Contribute to data-related tasks such as SQL queries, basic data modeling, and collaborating on analytics projects.
2026-05-15T00:00:00Z

Security Manager

Chicago, IL
onsite
Temporary / Contract
55.4135 - 64.163 USD / Hourly
We are looking for a Security Manager to lead security compliance and risk oversight for a long-term contract opportunity based in Chicago, Illinois. This role is ideal for a leader who can guide control assessments, strengthen governance practices, and support audit readiness across a complex enterprise environment. The successful candidate will combine hands-on knowledge of cybersecurity frameworks with the ability to manage teams, advise stakeholders, and improve security program maturity. Responsibilities: • Lead security governance and compliance activities, including oversight of IT general controls and alignment with established regulatory and organizational standards. • Direct and develop a team of security professionals, setting priorities, reviewing performance, and ensuring consistent execution across core security initiatives. • Partner with internal stakeholders and external auditors to coordinate assessments, address findings, and maintain readiness for recurring audit activity. • Evaluate enterprise and third-party risk exposures, recommend mitigation strategies, and help strengthen risk management practices across the organization. • Support the advancement of security programs by assessing control maturity, identifying gaps, and driving practical improvements in policy, process, and oversight. • Provide guidance on industry frameworks such as ISO 27001, SOC 2, and FedRAMP to help align security operations with broader compliance objectives. • Collaborate with technical teams across cybersecurity, application security, network security, and SIEM functions to ensure controls are appropriately designed and monitored. • Contribute to emerging governance initiatives, including areas related to AI risk and oversight, where applicable.
2026-06-05T00:00:00Z

Telecom Unified Communications Engineer

Chicago, IL
onsite
Permanent / Full Time
105000 - 115000 USD / Yearly
We are looking for a Telecom Unified Communications Engineer to support and enhance enterprise communication systems in Chicago, Illinois. This role focuses on maintaining reliable voice and collaboration services, improving platform performance, and partnering with internal teams and external providers to resolve complex telecom issues. The ideal candidate will bring hands-on experience with unified communications technologies and a proactive approach to modernization, service stability, and end-user support. Responsibilities: • Partner with carriers and service vendors to investigate outages, troubleshoot service disruptions, and drive issues through to resolution. • Execute software updates, firmware changes, and platform enhancements while following established change control standards. • Lead the planning and delivery of communication system upgrades, replacement efforts, and migration projects that strengthen long-term platform reliability. • Monitor system health, conduct validation testing, and tune performance to maintain a high-quality user experience across voice and collaboration services. • Manage and resolve user-submitted support tickets related to telecom tools, voice services, and unified communications platforms. • Develop and maintain backup and recovery procedures to protect critical communication components and support business continuity. • Evaluate new telecom products and services through technical review, testing, implementation support, and detailed documentation. • Install, configure, maintain, and monitor telecom hardware and software, including solutions that connect voice and data services with business applications. • Administer collaboration and communication platforms such as Webex, Calabrio, Cisco Unity, Cisco Emergency Responder, RedSky, and 2Ring. • Participate in an after-hours on-call rotation to provide escalated support for critical incidents and assist with additional infrastructure-related tasks as needed.
2026-06-08T00:00:00Z

Software Developer

Franklin Park, IL
remote
Temporary / Contract
63.02 - 72.72 USD / Hourly
We are looking for a skilled Software Developer to join our team on a contract basis. This role requires a proactive individual who can work independently while collaborating effectively with team members when needed. If you have expertise in Ruby on Rails, RESTful APIs, and a strong background in software development, we invite you to apply. Responsibilities:• Develop, edit, and maintain code using Ruby on Rails to create robust and scalable applications.• Access and integrate third-party services server-side through RESTful APIs.• Design and implement new Ruby gems or enhance existing ones to optimize functionality.• Utilize Backstage to manage and interact with databases effectively.• Validate and debug JavaScript code to ensure quality and performance.• Collaborate with team members remotely to troubleshoot and resolve technical challenges.• Apply knowledge in .NET technologies, including C#, ASP.NET, and .NET Framework, in relevant scenarios.• Conduct thorough testing and debugging to deliver high-quality solutions.• Ensure timely completion of project deliverables while adhering to best practices in software development.
2026-06-08T00:00:00Z