67 development systems engineer jobs at 30 companies in Belvidere, IL
2mo
Save
Mark Applied
Hide
Space Staff Engineer Systems
Rolling Meadows, Illinois, United States
$169k-$254k/yr OnsiteFull Time
12+ YOEBS+12 yrs (MS+10 / PhD+7) in EE/Aerospace/Physics or related; U.S. citizenship able to obtain Top Secret clearance; experience in signal processing, algorithm development, MATLAB or Python, DOORS, integration & test, and model‑based systems engineering.
MATLAB, Python, Robot Framework, DOORS, ClearCase, ClearQuest, DXL
3w
Save
Mark Applied
Hide
Embedded Systems Engineer
South Beloit, Illinois, United States
OnsiteFull Time
3+ YOEBachelor's degree in electrical or computer engineering and 3–5 years of hardware and firmware development experience. Requires C/C++, circuit design, schematics, microcontrollers, communication interfaces, and laboratory testing.
C, C++, Altium, PADS, SolidWorks, Fusion, SPI, I²C, UART, CAN, Ethernet, oscilloscopes, frequency analyzers, current probes, logic analyzers, power supplies, BOMs, PCBA, PCB
2mo
Save
Mark Applied
Hide
Space Sr. Principal Engineer Systems
Rolling Meadows, Illinois, United States
$136k-$204k/yr OnsiteFull Time
8+ YOEBS/MS/PhD in EE, Aerospace, Physics or related with 8/6/3+ years experience respectively; U.S. citizenship and ability to obtain Top Secret clearance; experience in signal processing, algorithm development, integration & test, MATLAB/Python, DOORS, ClearCase/ClearQuest.
MATLAB, Python, Robot Framework, DOORS, DXL, ClearCase, ClearQuest
1w
Save
Mark Applied
Hide
AI Systems & Process Engineer
Beloit, Wisconsin, United States
OnsiteFull Time
6+ YOEBachelor’s degree in a technical field and 6+ years of experience building full-stack applications, APIs, and AI-enabled enterprise solutions; proficiency in Python, JavaScript/TypeScript, and modern development frameworks.
Microsoft Office, Microsoft Outlook, Microsoft Word, Microsoft Excel, Python, JavaScript, TypeScript, Claude, Codex, GitHub Copilot, REST APIs, OAuth, SQL, NoSQL, Git, CI/CD, Azure, AWS, GCP
1w
Save
Mark Applied
Hide
SW Engineer / AI Enterprise Systems Analyst
Lincolnshire or Holtsville
$97k-$145k/yr HybridFull Time
5+ YOEBachelor's degree or equivalent experience; 5+ years software engineering in Agile environments; 1–2 years AI/LLM development; expertise in React, TypeScript, Java, Spring Boot, REST, and enterprise application architecture.
Large Language Models (LLMs), Cursor, Claude, GitHub Copilot, OpenAI, Gemini, LangChain, LlamaIndex, React JS, TypeScript, CSS, HTML, Java, Spring Boot, RESTful Services, MVC, ChatGPT, Retrieval-Augmented Generation (RAG), JSP, Servlets, Hibernate, JPA, Amazon Web Services, GitHub, Maven, SonarQube, Tenable, SQL, NoSQL, Robotic Process Automation (RPA)
3mo
Save
Mark Applied
Hide
Software Engineer, AI & Product Systems
Naperville, Illinois, United States
$80k-$150k/yr OnsiteFull Time
3+ YOE3+ years software engineering; Node.js/Next.js/TypeScript; PostgreSQL or Supabase; REST/OAuth2/JWT; AI/LLM integration; CI/CD; security and reliability.
Node.js, Next.js, TypeScript, PostgreSQL, Supabase, REST, OAuth2, JWT, WebSockets, GitHub Actions, Vercel, n8n, SOQL
3mo
Save
Mark Applied
Hide
(USA) Automation Control Systems Manager
Belvidere, Illinois, United States
$66k-$98k/yr OnsiteFull Time
2+ YOEManage and support distribution center control systems (PLC, Industrial PCs, HMI, Ignition), execute outages and troubleshooting, lead projects, develop training, supervise associates; bachelor’s in engineering or 2 years automation/maintenance experience.
Programmable Logic Controller, Industrial PCs, Human to Machine Interfaces, Ignition, Industrial Control Systems
1mo
Save
Mark Applied
Hide
Power Electronics Engineer
Batavia, Illinois, United States
$95k-$125k/yr OnsiteFull Time
4+ YOEDesign and develop power electronics systems, perform engineering analyses, lead medium-to-large projects, and supervise technicians; ABET engineering degree with 4–6+ years experience.
FPGA, CPLD, Altium, LTSpice, AutoCAD, oscilloscopes, function generators
1d
Save
Mark Applied
Hide
Staff Engineer - Global Payments Network
New York City or McLean or Plano or Riverwoods
$245k-$335k/yr OnsiteFull Time
7+ YOEBachelor's degree and 7+ years in software engineering and solution architecture required. Preferred: 10+ years coding, cloud technology experience, and full-lifecycle systems development experience.
Claude Code, Windsurf, Java, Python, Go, JavaScript, TypeScript, Swift
2w
Save
Mark Applied
Hide
Manufacturing Engineer III
Buffalo Grove, Illinois, United States
$69k-$98k/yr OnsiteFull Time
5+ YOEBachelor’s degree in engineering and 5–8 years programming industrial robots and automation systems. Requires robot and PLC programming, HMI development, CAM experience, and ability to lead automation projects.
Creo, SolidWorks, CAM, PLC, HMI, CNC, MES
2w
Save
Mark Applied
Hide
Distinguished Engineer (Global Payment Network)
McLean or Plano or Houston or Riverwoods
$245k-$307k/yr OnsiteFull Time
7+ YOEBachelor's degree, 7+ years in general software and software engineering or solution architecture, plus expertise in system development, cloud technologies, networking, and coding.
Claude Code, Windsurf, Java, Python, Go, JavaScript, TypeScript, Swift, BGP, Wi-Fi, SD-WAN
2w
Save
Mark Applied
Hide
Distinguished Engineer - GPN Digital Payments Technology
Chicago or Plano or Riverwoods or McLean
$245k-$307k/yr OnsiteFull Time
7+ YOEBachelor’s degree and 7+ years in software engineering and solution architecture; preferred experience includes coding, cloud technologies, networking, system development, and interactive AI tooling.
Claude Code, Windsurf, Apple Pay, Google Pay, Java, Python, Go, JavaScript, TypeScript, Swift, BGP, Wi-Fi, SD-WAN
1mo
Save
Mark Applied
Hide
Sr Advanced Test Engineer
Freeport, Illinois, United States
OnsiteFull Time
5+ YOEBachelor’s in electrical or mechanical engineering, 5+ years in manufacturing/product development, experience with test chambers, data acquisition systems, digital multimeters, mechanical fixturing, strong communication, and knowledge of test standards/regulations.
test chambers, data acquisition systems, digital multimeters, mechanical fixturing, Six Sigma
2mo
Save
Mark Applied
Hide
Sr. Mechanical Design Engineer
Arlington Heights, Illinois, United States
$95k-$120k/yr OnsiteFull Time
8+ YOEBachelor's in mechanical engineering, 8+ years product development experience, SolidWorks CAD proficiency, GD&T and tolerance analysis, FEA and stress analysis, familiarity with Agile PLM/Infor CSI/ERP, MS Office suite, knowledge of manufacturing processes and quality systems.
SolidWorks, FEA, Agile PLM, Infor CSI, ERP, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Microsoft Project, PolyJet, 5-axis machining
1mo
Save
Mark Applied
Hide
FPGA Engineer
Hoffman Estates, Illinois, United States
$150k-$200k/yr HybridFull Time
5+ YOEBachelor's in EE/CE/CS,5+ years FPGA system development for radar/RF/communications,strong RTL skills (SystemVerilog/Verilog/VHDL/HLS),experience with AMD/Xilinx or Intel platforms,EMBEDDED Linux familiarity,US work authorization and possible clearance.
AMD/Xilinx, Intel, SystemVerilog, Verilog, VHDL, HLS, Embedded Linux, SPI, AXI, DMA, FIFO
2w
Save
Mark Applied
Hide
Applied AI Engineer
Addison, Illinois, United States
$134k-$158k/yr HybridFull Time
Strong Python and software engineering skills; experience deploying production ML/AI systems, building APIs, LLM systems, cloud platforms, and translating technical concepts for business stakeholders.
Python, RAG, LLM, ML, APIs, MLOps
2mo
Save
Mark Applied
Hide
Senior Engineering Manager, Systems Integration
Elgin, Illinois, United States
$130k-$175k/yr OnsiteFull Time
10+ YOE4+ Mgmt10+ years in systems design/product development; 4-5 years in management; bachelor’s in engineering; master’s preferred; leadership, communication, and cross-functional collaboration skills.
Google Sheets, Google Docs, Google Slides, Google Drive, Google AI Tools
2mo
Save
Mark Applied
Hide
Senior Web/App Engineer
Janesville, Wisconsin, United States
$118k-$142k/yr OnsiteFull Time
5+ YOE5+ years software development experience; proficiency in Java, C#, Python, JavaScript; strong system architecture, design patterns, data modeling, cloud and application security knowledge; bachelor's in CS/Engineering preferred; experience with SaaS platforms (Adobe, Oracle) preferred.
Java, C#, Python, JavaScript, Adobe, Oracle
2w
Save
Mark Applied
Hide
Sr Software Engineer
Naperville, Illinois, United States
$96k-$130k/yr OnsiteFull Time
5+ YOERequires 5+ years in software development, expertise in C#, Python, Angular, SQL, and AWS, Azure, or GCP, plus architecture, cloud-native, system design, testing, and debugging experience.
C#, Python, Angular, SQL, AWS, Azure, GCP, APIs, CI/CD, version control systems
2mo
Save
Mark Applied
Hide
Senior AI Engineer
Abbott Park or United States
$99k-$199k/yr RemoteFull Time
8+ YOEBachelor's in CS/Engineering/Mathematics (or related) and 8+ years (Master's +6+), strong applied AI/ML experience, Go backend engineering, cloud-native services, distributed systems, REST APIs, SQL/PostgreSQL, Linux, CI/CD, and strong communication.
Go, RESTful APIs, SQL Server, PostgreSQL, Kubernetes, Docker, Terraform, Linux, CI/CD, MLOps, message queues, vector databases