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Developer Jobs in Naperville, IL

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Systems Engineer - Drive Sys. Solutions Nidec Motor Corporation

St. Louis, MO

Our product line features a full line of high efficiency motors for industrial applications in water treatment, mining, oil and gas, and power generation, and for commercial applications such as pool and spa, condensers, cooling towers and large refrigeration units. This role works closely with Product Management, Program Management, Application/Design Engineering, and Sales to ensure that customer requirements are translated into effective and scalable system designs.

30+ days ago

IT Engineer 3 (Network) Enterprise Holdings

St. Louis, MO

Additionally, the applicant must have employment experience with: Utilizing VeloCloud Software Defined WAN to create automation for monitoring, configuring, and alerting for global worksites; Developing high-level and low-level documentation across various technologies including Cisco, Arista, CradlePoint, and Velo Cloud; Aligning the technology strategies with company culture and/or business strategies, ensuring solutions meet the current and future needs for business continuity; Developing business cases for new technologies for communicating with all levels of the organization including senior leaders; Leading large complex network projects leveraging industry best practices; Scripting and creating automation using Python, Ansible, Bash, Powershell, and Postman; Configuring and deploying Cisco Meraki and Aruba access points, and Cradlepoint cellular modems; Configuring and troubleshooting OSPF and BGP routing protocols; Configuring and troubleshooting VLANs, STP, HSRP, VRRP, and Trunking; and. Through this robust global network, we operate a fleet of nearly 2.3 million vehicles and provide a comprehensive portfolio of transportation solutions, including car rental, carsharing, vanpooling, car sales, truck rental, vehicle-subscription and affiliated fleet management services.

30 days ago

C-BRAIN Data Engineer (Remote) - Neurology Washington University in St Louis

Remote

$75,200–$128,800 / year

Integrates and processes multi-modal data including omics (genomics, transcriptomics, proteomics), neuroimaging (PET, MRI), longitudinal clinical records, and digital pathology - reconciling differences in data type, format, spatial resolution, and dimensionality into unified analytical frameworks. Reporting to the C-BRAIN Chief Technology Officer (CTO), this role is responsible for all aspects of data ingestion, pipeline development, data harmonization, and cloud infrastructure management - ensuring that high-quality, analysis-ready data is available to C-BRAIN''s AI tools and research teams.

30+ days ago

Hardware Electronics Engineer I Nidec Motor Corporation

St. Louis, MO

Responsibilities: Design motor control power electronics, write design specifications, capture design schematics, guide the layout of the PCB, and oversee prototype, engineering validation and design verification phases of projects. Electronic Motor Control, Switch Mode Power Supply, Power Electronics, Variable Frequency, Electric Motors, Design Engineer, Hardware Engineer, Hardware Development.

30+ days ago

Software Engineer Reinventing Geospatial, Inc. (RGi)

St. Louis, MO

RGi provides opportunities, resources, training, and mentorship to all our employees to let them take control of their careers and become a leader or a crucial member of our company. A strong working knowledge of: AWS, Azure, or similar cloud platforms, MySQL, PostgreSQL, or SQL Server.

30+ days ago

Mid-Level Software Engineer Leidos Holdings Inc

St. Louis, MO

$87,100–$157,450 / year

If you're passionate about solving complex technical challenges, learning emerging technologies, and developing software that directly supports mission success, this is an exciting opportunity to grow your career while making a meaningful difference. As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure, cloud-native solutions.

30+ days ago

Mid-Level Backend Software Engineer Leidos Holdings Inc

St. Louis, MO

$87,100–$157,450 / year

If you've been building your skills in backend development, object‑oriented programming, and mission‑driven engineering, and you're ready for work that actually moves the needle, this is the kind of opportunity cleared engineers pursue when they want to grow while making real impact. For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

30+ days ago

Network Software Engineer Lead Leidos Holdings Inc

Shiloh, IL

$107,900–$195,050 / year

The Software Engineer Lead will be the primary systems manager for the release and deployment of new software tools using the Cisco Network Services Orchestrator (NSO) platform, Python, and other software languages to sustain and manage a Carrier-class Wide Area Network supporting the Defense Information Systems Agency under the Department of War. Leidos' Digital Sector/Global Solutions Management-Operations II (GSMO-II) contract has an opening for a Network Software Engineer Lead located in the Scott AFB, IL area.

30+ days ago

SDET III/Senior Software Development Engineer in Test III LaunchCode Foundation

St. Louis, MO

This role supports the laboratory process flow and data collection through automation including automatically pulling data from laboratory instruments, building test data pipelines for a machine-learning algorithm, maintaining system infrastructure on AWS, as well as general full-stack development. Position Summary: The Software Test Engineer III designs and implements automated and manual verification tests and aids in designing and implementing manual validation procedures, test plans, and test cases.

5 days ago

Convergeconsumer - Technical Software Engineering Lead (Manager) - Innovation_Delivery_Transformation Deloitte

Saint Louis, MO

$148,200–$292,300 / year

ConvergeCONSUMER is a product-driven business that combines differentiated consumer insights with robust prediction and optimization capabilities to help consumer-focused businesses improve decision-making and deliver personalized experiences to drive growth, consumer loyalty, and profitability. Our approach for addressing this complexity is simple: we combine Deloitte's next-generation technology platforms with decades of experience in the consumer sector and a deep understanding of its unique issues and challenges to drive profitability and future growth for our clients.

4 days ago

QA Engineer SCOR SE

Netherlands, MO

A key part of the role is expanding and maintaining automated test coverage for business-critical functionality, embedding quality controls into delivery pipelines, and helping teams release software with confidence. As a QA Engineer, you are responsible for helping engineering teams deliver high-quality software by combining hands-on testing, risk-based quality assurance, and test automation.

23 days ago

Senior Data Engineer-Marketing Technologies H&R Block Inc

Missouri, MO

Remote

$101,200–$161,900 / year

Minimum five years of recent experience in developing, debugging, and maintaining code with below skillsets, SQL, Azure Data engineering skills including Azure Data Factory, Databricks and/or Fabric technologies. The responsibilities include: Design, develop and test enterprise MarTech platforms for data engineering using SQL, Azure Data engineering skills including Azure Data Factory, Databricks/Fabric technologies.

30+ days ago

Electrical Engineer V/VI Zone 5 Technologies

San Luis

This position includes driving innovation in circuit design, leading cross-disciplinary projects, and mentoring junior engineers to ensure the delivery of high-quality systems. The Electrical Engineer V/VI is a senior-level role focused on leading the development and optimization of complex electrical systems for UAS platforms.

30+ days ago

Intern - Data Engineer Affinegy Inc. (Inactive)

Our Members have over 18 million end customers (residential and businesses who receive power, internet, television and/or telephone services) that our enterprise software solution enables our Members to compete effectively in the industry, while excelling in customer service. You'll gain hands-on experience working alongside experienced engineers on real-world projects that support our enterprise software and data strategy.

30+ days ago

Electronic System Design & Analysis Engineer Apollo Professional Solutions

Hazelwood, MO

Quick Apply

Utilize Model-Based Systems Engineering (MBSE) tools such as DOORS, Cameo, and mathematical modeling and simulation to develop system definitions/architectures and perform trade studies (includes integration with interfacing engineering disciplines model based design tool sets). 3+ years familiarity with electrical avionics system design including electrical systems and subsystems design, interface cable design between electrical system and platform, electrical hardware/software integration, coordination with vendors for part selection, and general test experience to do hardware/software testing of the system in a lab.

12 days ago

Electrical Engineer III/IV Zone 5 Technologies

San Luis

As an unmanned aerial systems (UAS) company, we are looking for an individual with experience overseeing small projects and wire harness production work, The ideal candidate should have experience producing, diagnosing and troubleshooting wire harnesses circuits in UAS platforms and should be familiar with Altium for documenting wire harness designs. If you're driven by hard problems, energized by rapid innovation, and ready to make an impact on next-generation flight systems, you belong here.

30+ days ago

Database Admin/Engineer Data Librarian Leidos Holdings Inc

St. Louis, MO

$107,900–$195,050 / year

The role also requires a strong public-speaking presence: delivering briefings, advising leadership on database strategy and risk, and acting as the face to the customer for database-related technical discussions and stakeholder engagements. The ideal candidate will have deep expertise in Oracle Database engineering, high availability and disaster recovery, patching and upgrades, database security hardening, and automation.

3 days ago

DevSecOps Engineer - Intelligent Platforms & Agents Leidos Holdings Inc

$107,900–$195,050 / year

The team operates with a strong belief in "everything as code," using version-controlled artifacts and automation to manage not only infrastructure and software, but also deployment pipelines, security controls, compliance artifacts, and operational workflows. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

15 days ago

Senior Electrical Engineer Gpac

Saint Louis, MO

110000–140000
Quick Apply

This position offers the opportunity to serve as a Project Manager or Lead Electrical Engineer on complex building projects while partnering with multidisciplinary teams to deliver high-quality, code-compliant designs for clients throughout the region. This is an excellent opportunity for a licensed Professional Engineer looking to lead challenging projects, mentor engineers, and work with a collaborative team delivering innovative solutions across a wide variety of market sectors.

30+ days ago

Security Engineer Hunter Engineering Company

Bridgeton, MO

Quick Apply

Design, implement, manage, maintain, improve, and troubleshoot Hunter’s various security systems, including but not limited to Data Loss Prevention (DLP), SIEM and UEBA, endpoint protection, and data security/auditing platforms. Analyze and audit systems, software, processes, implementations, and environments for compliance with policies, regulations, and security best practices; and recommend and implement refinements and enhancements, in collaboration with individuals and teams.

30+ days ago

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Developer Jobs in Naperville, IL

Systems Engineer - Drive Sys. Solutions Nidec Motor Corporation

IT Engineer 3 (Network) Enterprise Holdings

C-BRAIN Data Engineer (Remote) - Neurology Washington University in St Louis

Hardware Electronics Engineer I Nidec Motor Corporation

Software Engineer Reinventing Geospatial, Inc. (RGi)

Mid-Level Software Engineer Leidos Holdings Inc

Mid-Level Backend Software Engineer Leidos Holdings Inc

Network Software Engineer Lead Leidos Holdings Inc

SDET III/Senior Software Development Engineer in Test III LaunchCode Foundation

Convergeconsumer - Technical Software Engineering Lead (Manager) - Innovation_Delivery_Transformation Deloitte

QA Engineer SCOR SE

Senior Data Engineer-Marketing Technologies H&R Block Inc

Electrical Engineer V/VI Zone 5 Technologies

Intern - Data Engineer Affinegy Inc. (Inactive)

Electronic System Design & Analysis Engineer Apollo Professional Solutions

Electrical Engineer III/IV Zone 5 Technologies

Database Admin/Engineer Data Librarian Leidos Holdings Inc

DevSecOps Engineer - Intelligent Platforms & Agents Leidos Holdings Inc

Senior Electrical Engineer Gpac

Security Engineer Hunter Engineering Company

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