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168 junior python jobs at 57 companies in Green Mountain Falls, CO

1mo
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Junior Software Engineer
Warrenton or State College or Fort Eisenhower or Centennial
$95k-$140k/yr OnsiteFull Time
Altamira Technologies
Altamira TechnologiesNYSE: PSN: Provides data analytics and engineering for national security missions.
Bachelor's in CS/CE/EE required. Strong Java and JavaScript/TypeScript skills required. Experience with full-stack technologies (Python, Angular, React, Elasticsearch, containers, Kubernetes) preferred. Top Secret clearance required.
Java, Python, JavaScript, TypeScript, Angular, React, Elasticsearch, ELK Stack, Redis, REST, Docker, LXC, Kubernetes, Helm, Machine Learning, Data Analytics, Android, NoSQL, SQL, Xmidas
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1w
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Junior Software Engineer
Colorado Springs or Beavercreek
$77k-$115k/yr OnsiteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
0+ YOEActive Top Secret/SCI clearance, bachelor’s degree in a technical field, 0–2 years relevant experience, knowledge of OOP, Java or Python experience, familiarity with version control, strong communication and problem-solving skills.
Java, Python, XML, JSON, Protocol Buffers
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1w
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Junior Systems Engineer
Colorado Springs, Colorado, United States
$58k-$116k/yr HybridFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
0+ YOEUS citizen able to obtain Secret clearance; bachelor’s in engineering/science/math or equivalent; 0–3 years related experience; requirements management, MS Excel; Python and obsolescence experience preferred.
Microsoft Excel, Python, Integrated maintenance Data System (IMDS), Integrated Logistics System-Supply (ILS-S)
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1w
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Junior Systems Engineer
Colorado Springs, Colorado, United States
$58k-$116k/yr HybridFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
0+ YOEBachelor's in engineering/science/math, 0–3 years experience, ability to obtain Secret clearance, requirements management, MS Excel, teamwork and analysis skills.
Microsoft Excel, Python, Integrated maintenance Data System (IMDS), Integrated Logistics System-Supply (ILS-S)
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1mo
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MODEL BASED SYSTEMS ENGINEER- JUNIOR (MBSE)
Beavercreek or Huntsville or Colorado Springs or Crestview or Tupelo
OnsiteFull Time
Sentry Construction
Sentry Construction: Provides general contracting and comprehensive property maintenance services.
Top-Secret clearance (SCI eligibility), BS in systems engineering/aerospace or related field, MBSE tool experience (Cameo, MagicDraw, Rhapsody, Enterprise Architect), SysML, and familiarity with Java/C++/Python preferred.
Cameo Systems Modeler, MagicDraw, IBM Rhapsody, Enterprise Architect, SysML, Java, C++, Python, DoD Architecture Framework (DoDAF), Unified Architecture Framework (UAF)
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2mo
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Junior Cybersecurity Analyst – Cloud, Network, Infrastructure Security & IAM
Englewood, Colorado, United States
$65k/yr OnsiteFull Time
Cognizant
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
0+ YOE0–2 years in cloud, network, infrastructure security and IAM; full-time; Englewood, CO.
Azure, AWS, GCP, Firewall, VPN, IAM tools, PowerShell, Python, Bash, SailPoint, Okta, CyberArk
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2mo
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Kinematics Jr System Engineer: HSV-2679
Colorado Springs, Colorado, United States
$75k-$130k/yr OnsiteFull Time
deciBel Research
deciBel Research: Developing advanced radar and sensor technologies for defense missions.
2+ YOEJunior system engineer with a STEM degree; 2+ years with Bachelor's or 0+ with Master's; MATLAB/Python; knowledge of ballistic missile flight; DoD Secret clearance or ability to obtain.
MATLAB, Python, LaTeX, CAD
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2d
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Systems Modeling Simulation Engineer - Level 4
Colorado Springs, Colorado, United States
$129k-$194k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
8+ YOEActive Top Secret clearance required. Bachelor's+8 yrs (Master's+6 or PhD+4 acceptable). Experience with MS&A, AFSIM, Python/MATLAB/SQL, mentoring junior engineers, and communicating technical results.
Python, MATLAB, SQL, Advanced Framework for Simulation, Integration, and Modeling (AFSIM), Ansys ModelCenter, SIMDIS, SysML, Cameo
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1d
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Sr Principal Software Engineer (26-355)
Colorado Springs, Colorado, United States
$129k-$194k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
8+ YOEActive DoD Secret clearance, 8+ years experience (or Master’s+6 or 12 years alternative), proficiency in Python and object-oriented languages, Java/J2EE and enterprise Linux development, Maven, Git/GitHub, Nexus, Eclipse, Agile, mentor junior engineers.
Python, Java, C#, C++, Java/J2EE, Java Foundation Classes, Linux, Windows, Maven, Git, GitHub, Nexus, Eclipse, Jira, Confluence, SysML
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2mo
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Senior Mechanical Engineer 1 - Energy & Industrial
Englewood, Colorado, United States
$85k-$129k/yr HybridFull Time
Sargent & Lundy
Sargent & Lundy: Engineering and consulting services for the power industry.
5+ YOELead mechanical design efforts for power, oil & gas, and chemical projects; manage junior engineers; coordinate with clients and suppliers.
Python, MATLAB, Excel, P&ID Design
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3mo
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Jr. Kinematics Systems Engineer
Colorado Springs, Colorado, United States
$90k-$120k/yr OnsiteFull Time
Davidson Technologies
Davidson Technologies: Delivers engineering and technology solutions for national security missions.
2+ YOEBachelor’s or Master’s in STEM; MATLAB/Python/LaTeX; ballistic missile flight knowledge; DoD Secret clearance or higher.
MATLAB, Python, LaTeX
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2mo
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RF Engineer
Greenwood Village, Colorado, United States
$85k-$115k/yr OnsiteFull Time
York Space Systems
York Space SystemsNYSE: YSS: Designs and manufactures modular spacecraft platforms and mission solutions.
0+ YOEBS in Electrical Engineering or related field; 0-4 years RF/wireless experience; Python scripting; willingness to obtain DoD security clearance.
Python, Git, VNA, Spectrum Analyzer, 3D EM Software
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1d
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Capital Markets Associate
Englewood, Colorado, United States
$100k-$115k/yr OnsiteFull Time
Redwood Trust
Redwood TrustNYSE: RWT: Provides residential and commercial mortgage financing and investment services.
2+ YOEBachelor's in finance-related field, 2+ years mortgage capital markets experience, advanced Excel, familiarity with SQL/Python, strong analytical and communication skills.
Microsoft Excel, SQL, Python
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2w
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Software Engineer II
Lone Tree or Sparks or Longmont or Hagerstown or Herndon or Englewood
$94k-$130k/yr HybridFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
2+ YOEBachelor's in CS or related,2+ years software development experience,proficiency in C++,Java,Python,knowledge of engineering principles,ability to work in multidisciplinary teams.
C++, Java, Python, C, C#, HTML, Bash, RTOS, AI/ML
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1mo
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Integrated Test Environment (ITE) 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's in STEM, minimum 2 years related experience, proficiency in C/C++/Python, Linux, object-oriented design, Microsoft Office, and strong communication skills.
C, C++, Python, Linux, Git, Gitlab, Jira, Microsoft Excel, Microsoft Word, Microsoft PowerPoint
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2mo
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Mission Operation Intern Fall 2026
Littleton or Long Beach
$25/hr OnsiteInternship
Rocket Lab
Rocket LabNasdaq: RKLB: Operates launch vehicles and manufactures satellites for space missions.
0.25+ YOEEnrolled in bachelor’s, master’s, or doctoral program in aerospace/aeronautical/mechanical/software engineering; 3+ months engineering experience; GPA 3.0+; proficient in Python, Linux, Git.
Python, Linux, Git
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2w
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R&D Engineer Intern
Littleton, Colorado, United States
$25/hr OnsiteIntern
Canopy Aerospace & Defense
Canopy Aerospace & Defense: Manufacturer of advanced thermal and signature-reducing aerospace materials.
Currently enrolled engineering student; hands-on lab or project experience; familiarity with CAD (SolidWorks,NX,Fusion) and basic programming (Python,MATLAB); strong communication and technical writing.
SolidWorks, NX, Fusion, CAD, Python, MATLAB
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3w
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Flight Dynamics Engineer
El Segundo or Huntsville or Chantilly or Colorado Springs or Albuquerque
$95k-$166k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
2+ YOEBachelor's in engineering/science/math, 2+ years relevant experience, proficiency in C/C++/Python/Fortran/MATLAB, ability to obtain security clearance, domestic travel ~10%.
ASSET, GPOPS-II, SNOPT, POST, OTIS, Copernicus, GMAT, EMTG, C, C++, Python, Fortran, MATLAB
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1d
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Internship: Signal Design
Littleton, Colorado, United States
$25/hr OnsiteInternship
Stacy Witbeck
Stacy Witbeck: Full-service contractor specializing in heavy civil and transit infrastructure.
Pursuing a BS in Electrical/Electronic Engineering, Matlab/Python and Microsoft Office proficiency, Circuits coursework, strong analytical and communication skills, able to lift up to 25 lbs.
Matlab, Python, Microsoft Excel, Microsoft PowerPoint, Microsoft Visio, Box, Smartsheet, PLC
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1d
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AI/ML Engineer
Irving or Chicago or Centennial
$77k-$135k/yr OnsiteFull Time
Vizient
Vizient: Healthcare performance improvement and group purchasing organization.
2+ YOE2+ years relevant experience; production ML/AI deployment experience; strong Python and software engineering practices; experience with LLMs, RAG, vector search, and MLOps preferred.
Python, LLM, Retrieval-Augmented Generation (RAG), LangChain, LlamaIndex, vector databases, embeddings, rerankers, FastAPI, MLflow, Docker, CI/CD, MLOps
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