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10 results for Security Architect in Hoffman Estates, IL

Infrastructure & Security Engineer

Naperville, Illinois
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>
2026-09-22T00:00:00Z

Network Architect

Chicago, Illinois
onsite
Permanent / Full Time
130000 - 150000 USD / Yearly
Senior Healthcare IT Infrastructure Engineer responsible for secure, HIPAA-compliant infrastructure across network, Microsoft 365/Azure/Entra, endpoints, cybersecurity, and clinical systems. Serves as the senior technical escalation point while supporting healthcare compliance, PHI protection, and infrastructure reliability.
2026-09-22T00:00:00Z

Systems Engineer

Deer Park, Illinois
onsite
Temporary / Contract
45 - 55 USD / Hourly
We are looking for an experienced Systems Engineer to support enterprise infrastructure initiatives in Deer Park, Illinois. This Long-term Contract opportunity is ideal for a detail-oriented candidate who can manage large Windows-based environments, maintain reliable system performance, and contribute to data center operations in a complex setting. The role requires strong technical depth across server administration, identity services, virtualization, and core infrastructure platforms. Responsibilities: • Lead large-scale Windows server migration efforts, including transitions from VMware environments to Hyper-V across extensive server estates. • Administer and maintain Windows Server platforms, Active Directory services, Azure Active Directory, Group Policy, and related enterprise system configurations. • Support deployment, installation, and expansion activities within the data center while helping ensure stable operations and limited service interruption. • Manage and troubleshoot enterprise server hardware, Cisco-based infrastructure components, and Pure Storage solutions within production environments. • Coordinate system cutovers, infrastructure changes, and implementation tasks in partnership with technical teams and project stakeholders. • Investigate and resolve complex system issues by applying structured troubleshooting methods across server, virtualization, and infrastructure layers. • Create and maintain clear technical documentation covering environment configurations, procedures, and project-related updates. • Provide operational support for core Microsoft technologies, including Exchange and Citrix-related environments, as needed within the broader infrastructure landscape.
2026-09-01T00:00:00Z

SOC Engineer

Chicago, Illinois
onsite
Permanent / Full Time
95000 - 125000 USD / Yearly
We are seeking a Senior SOC Engineer to help monitor, detect, investigate, and respond to cybersecurity threats across enterprise environments. This role is responsible for strengthening security operations, improving detection capabilities, and supporting incident response efforts to protect systems, networks, and data. The ideal candidate brings deep experience in security operations, threat detection, incident investigation, and security tooling. This person is analytical, collaborative, and able to operate effectively in fast-paced environments where timely response and strong judgment are critical. Key Responsibilities<ul><li>Monitor security events, alerts, and incidents across networks, endpoints, cloud environments, and applications.</li><li>Investigate suspicious activity, triage alerts, and determine severity, impact, and appropriate response actions.</li><li>Lead or support incident response activities, including containment, eradication, recovery, and post-incident analysis.</li><li>Develop, tune, and maintain SIEM use cases, correlation rules, dashboards, and alerting logic.</li><li>Analyze logs and telemetry from multiple security tools to identify threats, anomalies, and indicators of compromise.</li><li>Collaborate with infrastructure, engineering, and IT teams to remediate vulnerabilities and strengthen security controls.</li><li>Conduct threat hunting activities to proactively identify malicious behavior or hidden risks.</li><li>Support the development and maintenance of SOC processes, playbooks, runbooks, and escalation procedures.</li><li>Mentor junior analysts and contribute to the maturity of security operations practices.</li><li>Recommend improvements to detection engineering, incident handling, and operational workflows.</li><li>Prepare incident reports, metrics, and executive-ready summaries for technical and non-technical stakeholders.</li><li>Stay current on emerging threats, attacker techniques, and cybersecurity best practices.</li></ul>
2026-09-22T00:00:00Z

Software Engineer

Chicago, Illinois
remote
Permanent / Full Time
135000 - 155000 USD / Yearly
We are seeking a Senior Software Engineer with deep experience in backend Java development and Android application engineering. This role will focus on designing, building, and maintaining scalable backend services while also contributing to Android mobile applications. The ideal candidate brings strong technical expertise, a collaborative mindset, and a passion for delivering reliable, high-quality software. Key Responsibilities<ul><li>Design, develop, test, and maintain backend services using Java and Spring Boot.</li><li>Build and enhance Android applications with a focus on performance, usability, and maintainability.</li><li>Collaborate with product, business, and engineering stakeholders to define technical requirements and deliver solutions.</li><li>Develop RESTful APIs and integrations that support mobile and web-based applications.</li><li>Write clean, efficient, and well-documented code following established coding standards.</li><li>Participate in architecture discussions, technical design reviews, and sprint planning sessions.</li><li>Perform code reviews and contribute to best practices for software quality, scalability, and security.</li><li>Troubleshoot and resolve application, database, and system performance issues.</li><li>Support deployment activities, testing efforts, and ongoing production maintenance.</li><li>Contribute to continuous improvement initiatives across development workflows, tooling, and engineering processes.</li></ul>
2026-09-22T00:00:00Z

Network Engineer

Deer Park, Illinois
onsite
Permanent / Full Time
80000 - 100000 USD / Yearly
We are looking for a Network Engineer to support and enhance a secure, high-performing enterprise network environment in Deer Park, Illinois. This role focuses on maintaining core routing and firewall infrastructure, improving connectivity across the organization, and helping ensure reliable network operations. The ideal candidate brings strong hands-on experience with Cisco networking technologies and Palo Alto security platforms, along with a solid understanding of dynamic routing protocols. Responsibilities: • Manage, configure, and optimize Cisco routing infrastructure to maintain dependable and efficient network performance. • Administer Palo Alto and Cisco ASA firewall environments, including rule updates, security policy enforcement, and ongoing performance review. • Monitor network health, identify connectivity or performance issues, and resolve incidents to reduce downtime and service disruption. • Support Border Gateway Protocol (BGP) configuration and troubleshooting to sustain stable external and internal routing paths. • Implement network changes, upgrades, and improvements while following operational standards and security requirements. • Collaborate with technical teams to evaluate network needs, recommend solutions, and support infrastructure-related projects. • Maintain accurate documentation for network architecture, device configurations, and support procedures. • Participate in troubleshooting complex networking problems across routers, firewalls, and related infrastructure components.
2026-09-23T00:00:00Z

Network Engineer

Deer Park, Illinois
onsite
Temporary / Contract
45 - 55 USD / Hourly
We are looking for a skilled Network Engineer to support enterprise network operations and infrastructure projects in Deer Park, Illinois. This Long-term Contract position is ideal for someone who is comfortable working across production and data center environments, combining technical troubleshooting with hands-on deployment work. The role will focus on maintaining reliable connectivity, improving network performance, and contributing to site-based infrastructure initiatives in a fast-moving setting. Responsibilities: • Maintain and support enterprise network environments that include Cisco-based routing, switching, firewall, and data center technologies. • Perform physical network deployment tasks such as installing equipment, racking hardware, connecting cabling, and completing patching activities within data center spaces. • Diagnose and resolve network performance and connectivity problems across routers, switches, and security platforms to minimize operational disruption. • Assist with infrastructure projects involving hardware upgrades, network expansion efforts, and data center relocation or migration activities. • Coordinate implementation windows and cutover activities to ensure changes are executed accurately and with limited downtime. • Configure and support core networking functions including VLANs, routing protocols, switching operations, and secure traffic handling practices. • Work closely with project teams and technical stakeholders to deliver network changes within demanding timelines and project schedules.
2026-09-01T00:00:00Z

Network Engineer

Chicago, Illinois
onsite
Permanent / Full Time
110000 - 135000 USD / Yearly
We are looking for an experienced Network Engineer to support and enhance enterprise networking operations in Chicago, Illinois. This role focuses on building reliable, secure connectivity across on-premises and cloud-based environments while improving visibility, automation, and operational performance. The ideal candidate will be comfortable working in a fast-paced support setting and will bring strong technical depth across routing, firewalls, wireless infrastructure, and network monitoring. MUST HAVE SOLAR WINDS EXPERIENCE. Responsibilities:• Design and deploy scalable network solutions across campus, wireless, SD-WAN, and cloud environments to meet business and operational needs.• Maintain and troubleshoot complex multi-vendor infrastructure, resolving incidents and service requests within a high-volume, ticket-driven support model.• Strengthen network security by addressing vulnerabilities, coordinating remediation activities, and applying secure configuration standards across network platforms.• Administer and optimize routing, switching, and perimeter security technologies, including Cisco routers, Cisco ASA, and Palo Alto firewalls.• Configure and support dynamic routing protocols such as BGP to ensure resilient and efficient connectivity between internal and external networks.• Develop scripts and automation tools that streamline repetitive operational tasks, improve consistency, and reduce manual intervention.• Implement monitoring and observability capabilities that provide actionable insight into network health, performance, and service availability.• Partner with cross-functional teams to support infrastructure improvements, document technical designs, and advance network operational maturity.
2026-09-09T00:00:00Z

Network Engineer

Chicago, Illinois
onsite
Temporary / Contract
50 - 60 USD / Hourly
We are looking for a Network Engineer to support and maintain critical enterprise networking operations for a real estate property and facilities management environment. This long-term contract opportunity is ideal for a hands-on, detail-oriented individual who can monitor network health, troubleshoot production issues, and deliver dependable support across a complex infrastructure. The role requires strong technical judgment, clear communication, and the ability to manage incidents efficiently while partnering with broader engineering teams when advanced support is needed. Responsibilities: • Monitor network availability and performance using SolarWinds, responding to alerts and identifying issues before they disrupt business operations. • Administer and troubleshoot Cisco switching environments to maintain reliable connectivity across enterprise locations. • Support, configure, and investigate security and traffic issues involving Palo Alto firewalls in a live production setting. • Diagnose network incidents independently, take corrective action, and restore service within established support expectations. • Document work, track progress, and manage issue resolution through the ServiceNow ticketing platform. • Escalate high-impact or technically complex problems to network engineering resources with clear findings and supporting details. • Provide operational support for enterprise network infrastructure, including routing, firewall, and switching components. • Communicate effectively with internal stakeholders to provide status updates, explain technical issues, and deliver a high level of customer service.
2026-09-04T00:00:00Z

AI Network Architect

Chicago, Illinois
onsite
Permanent / Full Time
175000 - 200000 USD / Yearly
We are seeking an experienced Network Architect to design, optimize, and future-proof our enterprise network environment with a strong focus on scalability, security, performance, and readiness for emerging AI-driven technologies. This role requires deep expertise in Cisco architecture, advanced routing and switching, and modern network design principles to support a growing and evolving business. Based on general knowledge. Key Responsibilities<ul><li>Design and lead enterprise network architecture across LAN, WAN, wireless, data center, and cloud-connected environments. Based on general knowledge.</li><li>Develop network strategies that support AI futureproofing, including scalable bandwidth, low-latency design, resilient connectivity, and infrastructure readiness for automation and data-intensive workloads. Based on general knowledge.</li><li>Lead architecture standards, roadmaps, and modernization initiatives across core networking platforms. Based on general knowledge.</li><li>Serve as the subject matter expert for Cisco-based environments, including routing, switching, security, SD-WAN, and wireless technologies. Based on general knowledge.</li><li>Evaluate current network performance, identify gaps, and recommend improvements for capacity, resilience, and operational efficiency. Based on general knowledge.</li><li>Partner with infrastructure, security, cloud, and application teams to ensure integrated and secure network solutions. Based on general knowledge.</li><li>Design high-availability and disaster recovery network solutions to support business continuity. Based on general knowledge.</li><li>Guide implementation teams on best practices, configuration standards, and troubleshooting for complex network initiatives. Based on general knowledge.</li><li>Maintain architecture documentation, diagrams, standards, and technical recommendations for leadership and engineering teams. Based on general knowledge.</li><li>Assess new technologies and vendor solutions that align with long-term network and business strategy. Based on general knowledge.</li></ul>Required Qualifications<ul><li>7+ years of progressive network engineering and architecture experience, including enterprise-level design responsibility. Based on general knowledge.</li><li>Deep hands-on experience with Cisco networking technologies in complex enterprise environments. Based on general knowledge.</li><li>Strong expertise in routing, switching, BGP, OSPF, VLANs, QoS, VPNs, firewalls, wireless, and network segmentation. Based on general knowledge.</li><li>Experience designing highly available, secure, and scalable networks across on-premises and cloud-connected environments. Based on general knowledge.</li><li>Knowledge of network architecture considerations for AI, automation, and future-state digital transformation initiatives. Based on general knowledge.</li><li>Strong understanding of network security principles, access controls, and performance optimization. Based on general knowledge.</li><li>Proven ability to create architectural standards, lead network modernization, and support enterprise growth. Based on general knowledge.</li><li>Excellent communication skills with the ability to present technical strategy to both technical and non-technical stakeholders. Based on general knowledge.</li></ul>
2026-08-24T00:00:00Z