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363 stem jobs at 80 companies in Longmont, CO

1mo
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STEM After School Instructor
Thornton or Broomfield
$60/hr OnsitePart Time, Temporary
Nexplore
Nexplore: Provides diverse educational enrichment programs for K-12 students.
Teaching K–5 STEM programs (Lego Robotics, RoboCoding, 3D printing); available Mon & Wed 3:30–4:30 PM for classes Sep 09–Dec 16; compensation $60 per hour of class/assignment.
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2w
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After School STEM Instructor
Boulder, Colorado, United States
$21-$26/hr OnsitePart Time
Play-Well TEKnologies
Play-Well TEKnologies: Provides LEGO-inspired engineering and STEM classes for children.
Experience working with children preferred; reliable transportation, ability to lift 40 lbs, pass background checks, complete required training, and manage classroom safety and parent communication.
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3w
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Principal Account Executive, STEM Sales
Charlotte or Fairfax or Chicago or Boston or Detriot or Atlanta or Denver or Pembroke Pines or San Diego
$75k-$125k/yr HybridFull Time
HeadFirst Group
HeadFirst Group: HR service provider and talent management platform.
Proven new business development and sales track record in staffing or talent solutions, strong communication and negotiation, ability to work independently, willingness to travel nationally; high school diploma required, bachelor’s preferred.
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2mo
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TEACHER, ELEMENTARY - STEM - KINDERGARTEN - 5TH GRADE
Denver, Colorado, United States
OnsiteFull Time
Denver Public Schools
Denver Public Schools: Operates public schools and educational programs in Denver, Colorado.
Bachelor's in Education; Colorado teaching license with Elementary Education endorsement; PLACE or Praxis II; HOUSSE qualified or alternative license; MS for Concurrent Enrollment; strong communication and classroom management.
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2w
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5th Grade Teacher, McAuliffe STEM Academy
Greeley, Colorado, United States
OnsiteFull Time
Greeley-Evans School District 6
Greeley-Evans School District 6: Operates public schools and educational programs for K-12 students.
Bachelor's degree and Colorado teaching license required; experience preferred. Responsible for lesson planning, classroom management, student assessment, IEP implementation, and communication with parents.
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1mo
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Postdoc in Generative AI and Pedagogy (STEM)
Boulder, Colorado, United States
$70k/yr OnsiteFull Time
University of Colorado Boulder
University of Colorado Boulder: Public research university offering undergraduate and graduate education programs.
1+ YOEPh.D. or terminal degree required plus 1 year of post-secondary teaching as instructor of record; experience designing SoTL/DBER projects, synthesizing AI research, piloting AI tools, grant contribution, and faculty-facing resource development.
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2mo
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STEM Seasonal Professional Development Specialist (Per Diem Regular and Temporary) - CO, IL, KS, LA, MA, MI, MN, OH, PA, WI
United States or Colorado or Illinois or Kansas or Louisiana or Pennsylvania or Massachusetts or Michigan or Wisconsin or Ohio or Minnesota or Milwaukee or Denver or Boston or Pittsburgh or Cincinnati or Tempe or Austin or Petaluma or Rock Rapids or Bloomington or Kansas City
$25-$550/hr HybridMultiple Commitments Available
Imagine Learning
Imagine Learning: Providing digital-first K-12 curriculum and adaptive learning software solutions.
3+ YOEBachelor's degree required (graduate preferred); 2+ years delivering professional development and at least 3 years STEM education experience; teaching certification preferred; must be able to work remotely, travel locally, and provide fingerprint clearance.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Zoom, Microsoft Teams
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1mo
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STEM (Math/Science) Campus Director of Curriculum & Instruction (DCI) (2026-2027 School Year)
Denver, Colorado, United States
$78k-$93k/yr OnsiteFull Time
DSST Public Schools
DSST Public Schools: Public charter school network providing K-12 STEM education.
3+ YOEBachelor's degree, 3+ years teaching (6th-12th), demonstrated ability to coach and manage adults, experience with curriculum, assessment, and data-driven instruction.
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4w
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Elementary Teacher (Please apply directly STEM School Highlands Ranch - DO NOT apply online with DCSD)
Highlands Ranch, Colorado, United States
$52k-$109k/yr OnsiteFull Time
Douglas County School District
Douglas County School District: K-12 public school district serving Douglas County, Colorado.
Bachelor's degree, valid state teaching license, Colorado READ Act certification (or timeframe to obtain), strong literacy and math knowledge, classroom management and PBL instructional experience.
Learning Management System (LMS), Google Suite
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2mo
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Staff Multidisciplined Electronic Systems Engineer
Aurora, Colorado, United States
$177k-$266k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
12+ YOE12 years with a Bachelors in STEM; 10 years with a Masters in STEM; 8 years with a PhD in STEM; active TS/SCI clearance; willing to travel up to 25%; polygraph willingness; expertise in software-defined radios, modems, IP networking, RF systems, antenna design, and related troubleshooting.
Software-defined radios, Modems, IP networking, RF simulation tools, Networking software
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2w
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Jr. Systems Engineer - Boulder, Colorado
Boulder, Colorado, United States
$90k-$100k/yr OnsiteFull Time
Davidson Technologies
Davidson Technologies: Delivers engineering and technology solutions for national security missions.
0+ YOEBS in STEM +2yrs or MS in STEM (0yrs); active DoD Secret clearance; 1+ year software experience with Python and/or C++; Linux and utilities experience; SysML/MBSE experience; requirements and systems engineering skills.
Python, C++, Linux, grep, awk, cat, head, Cameo Enterprise Architecture, Rhapsody, MagicDraw, DOORS, Jira, Confluence, AFSIM, SysML, MBSE
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2mo
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R&D Software Engineer (Boulder, CO, US, 80301)
Boulder, Colorado, United States
$110k-$150k/yr OnsiteFull Time
Excelitas Technologies
Excelitas Technologies: Manufacturer of photonic solutions for sensing, detection, and imaging.
5+ YOEBachelor's in STEM; 5+ years professional C# programming; ability to translate requirements into software for production.
C#, WPF, ADO.NET, Entity Framework, WCF, MS SQL, TSQL, MVVM, Windows Services, MVC, JavaScript, Git, Visual Studio, VS Code, Python, C++
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2mo
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Senior Systems Engineer
Littleton, Colorado, United States
$78k-$145k/yr OnsiteFull Time
Trident Systems
Trident Systems: Develops high-performance electronics for space and defense.
6+ YOEBachelor in STEM; 6+ yrs with BA or 4+ with MS; technical lead experience; secures systems approach; U.S. person.
Xilinx Zynq, Xilinx Versal, PCB design, CAD tools, MATLAB, Simulink, MBSE, STK, Power analysis tools, Altium, SOLIDWORKS
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1mo
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Emulation Integration Software Engineer 2
Centennial, Colorado, United States
$93k-$155k/yr OnsiteFull Time
United Launch Alliance
United Launch Alliance: Aerospace providing space launch services for satellites.
2+ YOEBachelor in STEM, 2+ years related experience, hardware emulation and agile experience, software lifecycle and test expertise, strong written and verbal communication.
Jira, Confluence, Atlassian, SAFe
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3w
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Software Engineer II, Model and Simulation
Broomfield, Colorado, United States
$120k-$165k/yr OnsiteFull Time
Katalyst Space Technologies
Katalyst Space Technologies: Develops robotic spacecraft for in-orbit satellite servicing and maneuvering.
3+ YOE3+ years modeling and simulation experience for aerospace missions, expert C++ and Python, BS in STEM, experience with distributed compute and stakeholder-driven development.
C++, Python, Basalisk, STK, GMAT
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5d
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Technical Graduate (Engineering/CX/Solutions)
Denver, Colorado, United States
$45k-$55k/yr HybridInternship
Bitmovin
Bitmovin: Provides cloud-based video infrastructure for digital media companies.
Early-career role for candidates with STEM or computer science background, strong problem-solving and communication skills, willingness to travel internationally, and interest in video technology.
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2mo
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Service Representative - Dispatchable - Water Technologies
Lakewood, Colorado, United States
$30-$36/hr OnsiteFull Time
Veolia
VeoliaEuronext Paris: VIE: Provides water, waste, and energy management services globally.
2+ YOEHigh School diploma or equivalent; 2+ years service/maintenance experience; valid driver’s license; willingness to travel region; preferred STEM/Instrumentation background.
Electrical systems, Instrumentation, Process control, P&ID interpretation
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1w
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Software Engineer
Denver, Colorado, United States
$75k-$131k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
Active Top Secret/SCI clearance, STEM bachelor’s degree, Java/Angular experience, ability to develop/debug distributed systems, and strong communication skills.
Java, Angular, Typescript, Docker, Kubernetes, Helm, AWS, Gitlab, Git, Jira, Bitbucket, Confluence, IntelliJ, VSCode, Linux
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3w
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Entry Level Intelligence Analyst – TS/SCI CI Poly
Aurora, Colorado, United States
$75k-$90k/yr OnsiteFull Time
Altamira Technologies
Altamira TechnologiesNYSE: PSN: Provides data analytics and engineering for national security missions.
4+ YOETS/SCI with CI Poly required, US citizenship, STEM bachelor's or 4+ years relevant experience, proficiency in analysis and briefing, shift work for 24x7 operations.
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2mo
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Ground Software Systems Engineer
El Segundo or Aurora or Colorado Springs
$87k-$198k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
7+ YOE7+ years in ground system components and software development; 2+ years in design docs and test procedures; Secret clearance; BS in STEM; Top Secret preferred
C++, Python, Java, C#, C, NET, JavaScript, React, NodeJS, PHP, Drupal, DO-178C
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