Top Systems Engineer Jobs in Chicago, IL

Maintains, designs, troubleshoots, and upgrades enterprise Citrix and platform engineering environments, including XenApp, VDI, and NetScaler. Leads complex infrastructure initiatives, system integrations, patching, performance optimization, security remediation, incident resolution, and configuration management. Provides hardware and software support, participates in on-call rotations, investigates security events, collaborates with architects and vendors, and coaches team members. The role requires strong systems engineering experience, cloud and virtualization knowledge, and familiarity with healthcare technology, compliance, and EMR platforms.

Leads enterprise systems engineering across on-premises, cloud, and hybrid environments. Designs and operates servers, virtualization, storage, identity services, Azure, Microsoft 365, backup, disaster recovery, monitoring, and security controls. Automates infrastructure, manages patching and access governance, leads modernization and infrastructure projects, coordinates vendors, supports incident response, and mentors technical staff. Oversees an offshore Systems Engineering team and serves as a senior escalation point for complex infrastructure and IAM issues.

Designs, develops, tests, debugs, documents, and maintains platform-independent GUI applications for audio products and networking technologies. Collaborates with business, marketing, testing, and systems engineering stakeholders to define requirements and use cases. Develops applications using TypeScript and Angular, researches development technologies, supports software architecture, estimates and documents tasks, and contributes to agile development, continuous integration, and continuous testing processes.

Develop, test, and deploy infrastructure-management software across Linux and Windows environments. Design infrastructure services architecture, automation modules, deployment orchestration, containerized application deployments, and CI/CD test frameworks. Configure application servers, load balancers, proxies, networks, and VPCs. Troubleshoot production and container issues, support operations teams, coach engineers, establish configuration-management standards, and participate in code and design reviews.

Designs, builds, maintains, and improves Windows, virtualization, cloud, data center, identity, and access infrastructure. Responsibilities include automation, infrastructure as code, security hardening, patch remediation, monitoring, performance tuning, technical documentation, mentoring junior staff, and on-call support.

Leads systems engineering and mission modeling activities for advanced defense systems. Develops, integrates, tests, and analyzes system and environment models, simulation code, automation, reports, and mission-level operational analyses. Applies MBSE, SysML, UAF, and systems engineering methods to complex electronic warfare, EOIR, RF, detection, and tracking systems. The role includes technical leadership, stakeholder presentations, model development planning, verification and validation, and integration testing in virtual and laboratory environments.

Leads systems engineering for large-scale FAA radio network deployments, including site surveys, network configurations, rack and cable routing, installation packages, system decomposition, requirements definition, MBSE modeling, trade studies, and technical evaluations. Provides engineering leadership, facilitates design reviews, coordinates with FAA stakeholders and deployment teams, and ensures designs meet technical and program standards.

Leads systems engineering and design for large-scale FAA radio communication network deployments. Responsibilities include site surveys, network configurations, rack and cable routing, installation engineering packages, requirements definition, system decomposition, MBSE modeling, trade studies, technical leadership, design reviews, and collaboration with deployment and installation teams.

Develop and maintain internal business applications, ERP integrations, REST APIs, and data solutions using C#/.NET, JavaScript, and SQL. Troubleshoot application and integration issues, test and document code, manage releases, and collaborate with technical and nontechnical teams to address operational needs across production, warehouse, and office functions.

Design, build, and maintain Android tablet platform across firmware, bootloader/BSP, kernel, and device-tree layers. Support MediaTek platforms, integrate hardware components, ensure secure boot and OTA safety, maintain ROM build/release processes, develop device-side apps/tools in Kotlin/Java, run validation and QA, support factory flashing and field deployments, and provide on-call diagnostics and fixes.

The Systems Engineer provides on-site and centralized support for imaging and file-transfer environments. Responsibilities include managing hardware and software infrastructure, maintaining system availability and SLA adherence, handling escalations and on-call support, onboarding customers, processing changes, improving operational controls, and collaborating with Implementation and DevOps teams on platform enhancements. The role also requires troubleshooting Kofax imaging systems, supporting Windows and SQL environments, installing hardware and software, and assisting with network and scripting tasks.

Lead systems engineering for Hivemind-based autonomy products: define and manage requirements, develop system architectures and trade studies, coordinate hardware/software interfaces, support integration/verification/validation and testing, and identify and mitigate technical risks across the system lifecycle.

Designs, integrates, tests, maintains, and upgrades complex IT systems across hardware, software, and security domains. The role validates system compliance, diagnoses issues, recommends improvements, and supports secure, reliable mission-critical environments. Responsibilities also include working with unstructured data using open-source tools, cloud computing, machine learning, and data visualization technologies, while collaborating with cybersecurity teams.

Deploy, operate, and troubleshoot large-scale OpenWRT wireless infrastructure and FreeRADIUS authentication systems. Manage PPSK/DPSK authentication, VLAN assignment, hostapd, MikroTik networking, roaming, DHCP, and client connectivity. Develop integrations, firmware automation, monitoring, and telemetry tools using Python, Bash, Go, and Lua. Analyze packet captures and wireless performance, support AP provisioning, and contribute to wireless architecture and scaling.

Build fault-tolerant, self-healing infrastructure and tooling; improve observability, telemetry, logging, and alerting; scale a HashiCorp Nomad service fabric; perform capacity planning and load testing; establish SLOs and error budgets; support production systems and mentor engineers in site reliability practices.

Administer AWS, Azure, Microsoft 365, and Entra ID environments end to end. Manage cloud infrastructure, networking, virtual machines, identity, endpoints, automation, Terraform-based infrastructure, monitoring, security hardening, vulnerability remediation, compliance evidence, and AI platform administration. Build resilient and governed environments, automate operational workflows, maintain documentation, support incident response, and partner with engineering, security, and operations. The role requires US citizenship and work within the United States.

Owns end-to-end administration of AWS, Azure, Microsoft 365, and Entra ID environments. Responsibilities include cloud infrastructure, networking, identity, endpoint management, Terraform-based infrastructure as code, automation, monitoring, security hardening, vulnerability remediation, compliance, AI platform administration, and audit-ready documentation. The role partners with engineering, security, and operations to deliver stable, secure, scalable, and well-documented services in a defense-sector compliance environment.

The Systems Engineer on Database Administration will support database installations, optimization, maintenance, and work with teams to enhance query performance.

Design, deploy, and maintain large-scale HPC compute and storage systems. Troubleshoot performance and faults, build automation and packaging tooling, implement monitoring, collaborate with researchers, participate in maintenance windows, and manage vendor relationships including travel.

The Controls Systems Engineer designs and maintains control systems for plant production, ensuring quality and safety through effective automation and continuous improvement initiatives.

Lead onsite delivery of building automation projects, guide teams of 2–5 engineers, conduct system startups, install and configure software, perform loop checks, calibration, functional testing, troubleshooting, and field programming. Lead customer meetings, maintain customer relationships, train representatives, and support HVAC controls testing. The role requires 100% travel to customer project locations.

Own and engineer the GTM stack: Salesforce as system of record and HubSpot as marketing system, build and maintain integrations and data flows, deploy agentic AI workflows, implement observability and change management, and partner with Sales, Marketing, Analytics, and Billing to ensure reliable revenue operations.

Own and engineer the GTM stack: Salesforce as source of truth and HubSpot as marketing system; build and maintain integrations, data flows to the data platform, observability, change management, and agentic AI workflows that act on GTM signals to automate revenue operations.

Architect, deploy, and improve hybrid infrastructure across bare-metal, virtualized, private-cloud, public-cloud, and containerized environments. Build automation with Terraform, Ansible, and Consul; establish infrastructure standards; optimize cost, performance, reliability, and scalability; improve observability; and lead capacity planning, disaster recovery testing, and modernization initiatives while collaborating with CloudOps, Technical Operations, and Platform teams.

Design and architect professional wireless audio systems spanning hardware, firmware, Angular/Node applications, AWS, and Electron. Define requirements, shape product roadmaps, develop proofs of concept and reference implementations, and establish technical standards and best practices. Collaborate with cross-functional stakeholders to improve performance, reliability, scalability, processes, tools, and service levels.