40 systems test engineer jobs at 19 companies in Gillespie, IL
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Test Engineer
St. Louis, Missouri, United States
OnsiteFull Time
4+ YOEActive security clearance required; 4+ years test engineering experience; knowledge of DevSecOps, Agile/SAFe, AI model use, geospatial systems, vendor coordination, and delivering complex technology assignments.
Linux, Java, JavaScript, Python, Docker, OpenShift, Kubernetes, AWS Services, GitLab, Apache Spark, Glue, Parquet, JSON, XML, Argo Workflows, Boundless Spatial, Remote View, PostGRES/PostGIS, Oracle Spatial, ArcGIS Desktop, ArcGIS Server, Image Server, File Geodatabases, KML, KMZ, NITF, TIFF, JPEG, GeoPDF, PHP, C, C++, C#, Perl
2mo
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Systems Engineer
King of Prussia or Springfield or St Louis
$112k-$179k/yr OnsiteFull Time
6+ YOEMust hold Top Secret clearance and be willing to upgrade to TS/SCI with poly; BS in engineering or related science; 8 yrs systems engineering experience with BS (or 6 yrs with MS); experience with sensor imaging, test design, requirements, and strong written/oral communication.
National System for Geospatial-Intelligence (NSG), RADAR, LIDAR, OPIR, EO/IR, SAR, multispectral, hyperspectral
2mo
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Systems Integration Testing Engineer
St Louis, Missouri, United States
$112k-$179k/yr OnsiteFull Time
6+ YOEMust hold Top Secret clearance and be willing to upgrade to TS/SCI with polygraph. BS in systems/electrical/physics/software engineering (or related) with 8 years' systems engineering experience (6 years with Master's). Experience in sensor imaging systems, test design, data verification, and strong written/oral communication required.
1mo
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Test & Evaluation Engineer (Experienced or Senior)
Berkeley, Missouri, United States
$104k-$171k/yr OnsiteFull Time
10+ YOEBachelor's in engineering (or equivalent), 10+ years structural/mechanical/flight test experience, 5+ years leading test design, 5+ years with 3D design tools, hydraulic systems experience, active U.S. Secret security clearance required.
Siemens NX, SolidWorks, CATIA
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Test & Evaluation Engineer (Experienced or Senior)
Berkeley, Missouri, United States
$104k-$171k/yr OnsiteFull Time
10+ YOEBachelor's degree in engineering or related field, 10+ years structural/mechanical/flight testing, 5+ years 3D design (Siemens NX/SolidWorks/CATIA), 5+ years leading test design, 5+ years hydraulic/control systems, active U.S. Secret security clearance and U.S. Person required.
Siemens NX, SolidWorks, CATIA, accelerometers, strain gages, thermocouples, load cells, LVDT/Temposonic devices
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Systems/Controls Engineer II
Kirkwood, Missouri, United States
OnsiteFull Time
3+ YOEBachelor's degree in engineering or computer science (or equivalent experience), 3+ years engineering experience with software emphasis, software V&V and regression testing experience, ability to author and review SRS/SDS/SAD/test protocols, strong communication and organizational skills.
Microsoft Office, Aras PLM, D2, C/C++, C#, Python
1w
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Systems Engineer II (Remote) - WashU IT, Shared Infrastructure Data Center
St. Louis or Clayton
$66k-$113k/yr RemoteFull Time
4+ YOEAssociate degree or equivalent, 4 years IT experience, expertise with DNS/DHCP/IPAM, capacity planning, systems analysis, testing, and technical leadership.
Infoblox DNS, IP Address Management (IPAM), DHCP, DNS, IPv4, IPv6
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Lead, Senior or Experienced Electronic Systems Design, Integration, Analysis, and Test Engineers **Sign on Bonus Potential**
Berkeley or Saint Charles or Hazelwood or Mascoutah
$112k-$185k/yr OnsiteFull Time
5+ YOEBachelor's in engineering or related field, ability to obtain U.S. security clearance (Secret/Top-Secret) and U.S. citizenship, 5+ years experience for senior roles, aerospace experience preferred, ability to relocate to St. Louis region.
2mo
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System Engineer (MBSE)
St. Louis, Missouri, United States
HybridFull Time
5+ YOE5+ years systems engineering experience, Secret clearance required to start, MBSE (Cameo), TFS/Azure DevOps, OFP SIL testing experience, ability to define requirements, perform trade studies, risk assessments, and V&V.
Model-Based Systems Engineering (MBSE), Cameo, Team Foundation Server, Azure DevOps, Operational Flight Program (OFP), System Integration Lab (SIL)
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Senior SIT Engineer (Firmware & Hardware) (St. Louis, MO, US, 63146)
St. Louis, Missouri, United States
OnsiteFull Time
5+ YOEBachelor's in CS/Engineering, 5+ years system integration testing experience with firmware and hardware, strong embedded systems and SDLC knowledge, Agile/DevOps experience, and strong analytical and communication skills.
JMeter, SOAPUI, Kafka, Grafana, RabbitMQ, C#, Python, JavaScript, XML, Oracle 19c, Oracle 12c, Oracle 11g, MS SQL Server, PL/SQL, T-SQL, Microsoft Azure, Windows Server
1mo
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Distribution Engineer - Greater St. Louis Area
St. Louis or Wentzville or Edwardsville
$71k-$134k/yr RemoteFull Time
ABET BS in Engineering (preferably electrical), knowledge of electric utility distribution systems, EIT/FE or PE preferred, valid driver’s license, ability to travel and pass drug/fit-for-duty tests, proficiency with Microsoft Office, GIS and distribution design software.
Microsoft Office, GIS, Spida Calc, O-Calc, Pole Foreman, Katapult, AutoCAD, SPANS, NJUNS, IkeGPS
1mo
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Solutions Engineer – Investment Management Technology
Arizona or Tempe or Missouri or St. Louis or United States
RemoteFull Time
10+ YOE10+ years software engineering with full-stack expertise; system design for scalable, secure cloud solutions (microservices); experience with relational and non-relational databases, operating production systems (monitoring/observability), and automated testing.
Java, Kubernetes, MongoDB, SQL Server, Oracle, Kafka, Azure Cloud, React, Node, Python, AI, DB2, COBOL, MQ, Dynatrace, Grafana
3w
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Software Engineer I
St. Louis, Missouri, United States
OnsiteFull Time
0+ YOEBS in EE/Software Engineering/Computer Science,0–3 years experience in desktop or embedded development,proficiency with C/C++,C#,Visual Basic,SQL,Java,IDE experience,embedded systems and hardware testing.
C, C++, C#, Visual Basic, SQL, Java, Microsoft Visual Studio
1w
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Engineer - Unlicensed - 2026
Alton or United States
FieldFull Time
Experience with diesel machinery, hydraulics, and electrical shipboard systems; TWIC card; ability to live onboard, work long hours, lift up to 50 lbs, pass pre-employment drug test, and perform emergency duties.
2mo
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Audio Visual Engineer
Scott Air Force Base, Illinois, United States
OnsiteFull Time
7+ YOE7+ years installing, commissioning, and maintaining audiovisual and VTC systems, ability to read schematics, use electronic test equipment, perform physical installation tasks, and meet DoD security requirements.
Crestron, Microsoft Office
1w
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QA Automation Engineer with Network Testing (Python/Linux) experience
Creve Coeur, Missouri, United States
$53k-$93k/yr HybridFull Time
5+ YOEBachelor's in CS or related,5+ years QA experience across manual, automation, performance and system testing; strong Linux administration; Python and Bash proficiency; experience with real-time/low-latency systems and network diagnostics.
Python, Bash, Linux, tcpdump, Wireshark, GitHub Copilot, ChatGPT, Claude, Windows
1w
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QA Automation Engineer with Network Testing (Python/Linux) experience
Saint Louis or Creve Coeur
$53k-$93k/yr HybridFull Time
5+ YOEBachelor's in a technical field,5+ years QA including automation/performance/system testing,strong Linux,Python and Bash skills,experience with network protocols and performance analysis.
Python, Bash, Linux, Windows, tcpdump, Wireshark, GitHub Copilot, ChatGPT, Claude
2mo
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Senior Software Engineer - News Engineering (Elasticsearch)
New York or St. Louis
$114k-$190k/yr HybridFull Time
Strong experience with Java and Python on Linux; real-time systems; IP-based protocols; unit testing; Elasticsearch; cloud infrastructure; container orchestration; strong problem-solving and independent communication.
Java, Python, Linux, Elasticsearch, Kubernetes, Terraform, GitLab CI/CD, GitHub Copilot
1w
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QA Automation Engineer with Network Testing (Python/Linux) experience
Creve Coeur, Missouri, United States
$53k-$93k/yr HybridFull Time
5+ YOEBachelor's degree in CS or related,5+ years QA experience including automation,performance and system testing,strong Linux administration,Python and Bash scripting,network protocol and diagnostic experience.
Python, Bash, GitHub Copilot, ChatGPT, Claude, tcpdump, Wireshark, Linux, Windows
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AI Red Team Lead Engineer
Minneapolis or Atlanta or Cincinnati or New York City or Chicago or Gresham or Charlotte or Irving or Earth City
$133k-$157k/yr HybridFull Time
8+ YOE8+ years experience in information security or red teaming; bachelor’s degree or equivalent; experience testing/securing AI/ML systems preferred; strong communication, leadership, and analytical skills.
Python, PowerShell, Go, C/C++, Shell, EDR/XDR
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