480 junior engineer jobs at 221 companies in O'Fallon, IL
3w
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Junior Systems Engineer
Denver or St. Louis or Sterling or Springfield
$58k-$116k/yr OnsiteFull Time
0+ YOETS/SCI clearance required, Bachelor\u0002s in engineering/computer science or equivalent, 0\u00023 years engineering experience, foundational systems engineering knowledge, strong written communication and attention to detail.
3w
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Junior Systems Engineer
Denver or Springfield or Sterling or St. Louis
$58k-$116k/yr OnsiteFull Time
0+ YOETS/SCI clearance with polygraph ability, bachelor's in engineering/computer science or equivalent, 0–3 years engineering experience, foundational systems-engineering or SDLC knowledge, strong written communication and attention to detail.
4w
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Junior DevOps Engineer
Springfield or St. Louis
$104k-$119k/yr OnsiteFull Time
2+ YOEActive TS (SCI eligibility) clearance and CI poly eligibility, 2+ years experience, Kubernetes/Docker/OpenShift, GitLab/CI/CD, Python/Bash/Shell, infrastructure automation, monitoring, and security practices.
Kubernetes, Docker, OpenShift, GitLab, Python, Bash, Shell, Helm, Jira, Confluence
4w
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Junior DevOps Engineer
St. Louis or Springfield
$100k-$110k/yr OnsiteFull Time
2+ YOEActive TS/SCI clearance, 2+ years relevant DevOps experience, container and cloud operations experience, GitLab/CI familiarity, Python/Bash scripting, networking knowledge, strong troubleshooting and communication skills.
Kubernetes, Docker, OpenShift, GitLab, Python, Bash, Shell, Helm, Jira, Confluence, IAM, S3, SSH, VPN
1w
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Junior Software Developer
St. Louis, Missouri, United States
$50k-$60k/yr OnsiteFull Time
Bachelor's in CS or related, proficiency in JavaScript, React.js, HTML, CSS, RESTful APIs, PostgreSQL, Git and Figma; experience building web/ERP applications; strong communication and problem-solving.
JavaScript, React.js, HTML, CSS, RESTful APIs, PostgreSQL, FastAPI, Git, Figma, CI/CD
1mo
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Geospatial Engineer – Multiple Positions at Junior/Mid/Senior Levels
Springfield or Vienna or St. Louis or Sun Prairie
FieldFull Time
2+ YOEUS citizen with active or recent Top Secret/SCI clearance, bachelor\u0002s degree in GIS-related field, 2+ years GIS experience, proficiency with Esri/ArcGIS, Python, SQL, and relational databases.
ArcGIS, Esri, Python, SQL, Windows, Linux, UNIX, Oracle, SQL Server, PostgreSQL
2w
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Test Lab Engineer Co-op
St. Louis, Missouri, United States
OnsitePart Time
Pursuing a B.S. in Electrical Engineering (junior), able to work ≥25 hrs/week, familiarity with multimeters and oscilloscopes, soldering and assembly skills, teamwork, multitasking, communication, and problem solving.
multimeter, oscilloscope
1w
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Engineer II
Belleville, Illinois, United States
OnsiteFull Time
2+ YOEBachelor's in Mechanical or Electrical Engineering (or equivalent),2+ years engineering experience, CAD and MS Office proficiency, design for manufacture experience, strong communication and problem-solving skills.
Microsoft Excel, Microsoft Word, Microsoft Outlook, Dynamics AX, AutoCAD, Inventor, Nastran In-CAD, 3DS Max, AutoCAD Electrical
2mo
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Field Engineer
Saint Louis, Missouri, United States
$62k-$87k/yr OnsiteFull Time
Bachelor’s degree in Engineering; valid driver’s license; Engineer-in-Training (EIT) or Engineering Intern (EI) preferred.
2mo
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Junior Software Developer, Applications
O Fallon, Illinois, United States
OnsiteFull Time
3+ YOE0-3 years of development experience; CompTIA Security+ or ability to obtain in 6 months; Bachelor's degree or equivalent experience; Java, HTML5, Spring, RHEL, SQL, JavaScript, XML, Agile; WebLogic, Docker, Kubernetes; Git, Jenkins, Gradle/Maven/Ant; Python; ServiceNow familiarity; IaC/CaC; test-driven development.
Java, HTML5, Spring, RHEL, SQL, JavaScript, XML, WebLogic, Gradle, Maven, Ant, Python, ServiceNow, Git, Jenkins, Docker, Kubernetes, Ansible, Puppet, Chef, Terraform, Bash, Perl, PowerShell, IaC, CaC
4d
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Senior Site Civil Engineer
Kansas City or St Louis or Springfield
OnsiteFull Time
10+ YOEBachelor's degree, PE license, minimum 10 years site/civil design experience, project engineering and management experience, permitting and technical leadership, mentor junior staff.
Hydraflow, PCSWMM, PondPack, HydroCAD, Bentley StormCAD, AutoCAD Civil 3D, Microsoft Office, Bluebeam Revu
2w
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Electrical Engineer (Engineer-In-Training)
Fairview Heights or St. Louis
$66k-$82k/yr HybridFull Time
Bachelor's in Electrical Engineering (ABET), ability to perform engineering computations, field investigations, CAD and Microsoft Office proficiency, strong communication and analytical skills.
Microsoft Office, CAD
1d
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Computer Engineer
Saint Louis or Fort Worth
$93k-$150k/yr OnsiteFull Time
1+ YOEBachelor's in engineering (ABET) or equivalent plus one year specialized engineering experience at NH-02/GS-11 level; transcripts required; must obtain DoD acquisition engineering certification within timeframe.
2w
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Civil Engineer
Scott AFB, Illinois, United States
$109k-$142k/yr OnsiteFull Time
1+ YOEBachelor's in engineering (ABET or equivalent) or equivalent qualifications; 1 year specialized engineering experience analyzing transportation infrastructure, using modeling/simulation tools, and conducting engineering studies; U.S. citizenship required; submit licensure/certification; Secret clearance.
4d
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Product Engineer
Maryland Heights, Missouri, United States
OnsiteFull Time
1+ YOEBS in Engineering, 1+ years automotive brake engineering or manufacturing experience. Proficient in Microsoft Office/Excel and AutoCAD. Strong analytical, written and verbal skills.
Microsoft Office, Microsoft Excel, AutoCAD
1w
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Associate Engineer
Maryville or Hillsboro or Alton
$71k-$137k/yr OnsiteFull Time
BS in Engineering required (electrical preferred), E.I.T. or P.E. preferred, strong analytical and computer skills, ability to support field staff and respond to emergencies.
DOJM, MV90, EADMS, CSS, SYNERGI, Load Analysis, OAS, Byers
2mo
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Preconstruction Engineer
Granite City, Illinois, United States
OnsiteFull Time
2+ YOEBachelor's in mechanical engineering, minimum 2 years mechanical/HVAC engineering experience (2–5+ preferred), knowledge of HVAC/plumbing/piping, ability to interpret plans, strong communication, PE a plus.
VDC, BIM
1w
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Manufacturing Engineer
Waterloo, Illinois, United States
$68k-$102k/yr OnsiteFull Time
1+ YOEManufacturing engineering experience, shop-floor exposure, continuous improvement and troubleshooting skills, ability to support off-shift hours, and ability to communicate with salary and wage workforce; bachelor's degree in engineering preferred.
Windchill, AutoCAD, MPP
2mo
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Associate Engineer
Saint Louis, Missouri, United States
$64k-$98k/yr OnsiteFull Time
Bachelor's degree in engineering (or final year); valid state driver’s license; safety-sensitive role requiring Non-D.O.T. drug test. Knowledge of civil engineering, sewer construction, plan interpretation, data analysis, report writing, and strong communication skills.
CCTV
1mo
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Geotechnical Engineer
Chesterfield, Missouri, United States
OnsiteFull Time
Bachelor's in Geological/Civil Engineering required; EIT/EI preferred. Experience in geotechnical fieldwork, lab testing, engineering analysis, report preparation, project management, and strong communication and problem-solving skills.
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