2w
Save
Mark Applied
Hide
Software Engineer: Full Stack - Python, Java or JavaScript/TypeScript (TS/SCI Clearance Required)
Alexandria or Chantilly or Englewood or Gaithersburg or Saint Louis or Tucson
OnsiteFull Time
Active TS/SCI clearance with polygraph ability, Bachelor's in CS or related, proficiency in Python/Java/JavaScript/TypeScript, cloud (AWS/Azure), containers, CI/CD, databases, and secure coding practices.
Python, Java, JavaScript, TypeScript, HTML, CSS, JSON, AJAX, REST APIs, React, Angular, Vue.js, Node.js, Spring Boot, Django, Flask, AWS, Azure, MySQL, PostgreSQL, SQL Server, Linux, Windows, Git, GitLab CI, Jenkins, JIRA, Confluence, Docker, Kubernetes, RMF, STIGs, Go, OpenSearch, Elasticsearch, S3, EC2, SQS, SNS, RDS, CloudFormation, Terraform, Ansible, GeoServer, PostGIS, OGC APIs, ESRI ArcGIS
3mo
Save
Mark Applied
Hide
Postdoctoral Research Associate, Systems and Industrial Engineering
Tucson, Arizona, United States
OnsiteFull Time
PhD in systems/engineering or related field; publish in journals; develop prototypes; MBSE knowledge; Python proficiency.
Python, MBSE, Ontology engineering
2mo
Save
Mark Applied
Hide
Sr. Software Engineer
Tucson or Centennial or Chantilly
$190k-$260k/yr OnsiteFull Time
15+ YOEProficient in modern software engineering, C++ and Python, 15+ years experience, TS/SCI clearance, US citizenship.
C++, Python, Linux, Gitlab, CI/CD, Docker, Kubernetes, PIP
3mo
Save
Mark Applied
Hide
Principal, Cust-Centric Rsrch
Tucson, Arizona, United States
OnsiteFull Time
4+ YOEData-driven customer and employee research; SQL, Python, R; Oracle; Qualtrics, JD Power, Escalent, Medallia; CX governance and leadership.
SQL, Python, R, Oracle, Qualtrics, JD Power, Escalent, Medallia
2mo
Save
Mark Applied
Hide
Digital Signal Processing (DSP) Engineer - Tucson, AZ
Tucson, Arizona, United States
$79k-$237k/yr OnsiteFull Time
3+ YOERequires TS clearance with SCI; BS in Electrical Engineering; DSP, linear algebra; C/C++, Python; Linux; strong problem-solving and communication.
C/C++, Python, Linux, Git, Jenkins
3mo
Save
Mark Applied
Hide
Senior Cyber Security Engineer
Guadalupe, /, Mexico
HybridFull Time
3+ YOESenior security engineer with 3-5 years in security operations, strong Python/Java, SOAR/SIEM expertise, cloud security (Azure/AWS/GCP).
Python, Java, SOAR, SIEM, EDR, IDS/IPS, Azure, AWS, GCP
1w
Save
Mark Applied
Hide
Senior Software Engineer II - Confluent Traffic Team
Poughkeepsie or Lowell or Rochester or Tucson or Research Triangle Park or Armonk or Boston or Bellevue or Atlanta or San Jose or Dallas or Austin or San Francisco or Seattle
$158k-$293k/yr HybridFull Time
5+ YOE5+ years cloud infrastructure/networking experience, distributed systems design, proficiency in C++, Go or Python, public cloud experience, strong networking fundamentals.
C++, Go, Python, Kubernetes, Envoy, eBPF, AWS, Azure, GCP
2mo
Save
Mark Applied
Hide
Science Intern
Tucson, Arizona, United States
$17/hr OnsiteInternship
Enrolled in a bachelor’s program or recent degree in astronomy, physics, computer science, data science, or related field; basic Python/bash; strong English communication; self-motivated.
Python, Astropy, NumPy, Pandas
1w
Save
Mark Applied
Hide
Systems Engineer II – Guidance, Navigation, and Control Engineer
Tucson, Arizona, United States
$69k-$131k/yr OnsiteFull Time
2+ YOEU.S. citizen with active/transferable DoD Secret clearance, Bachelor’s in STEM and ≥2 years experience, GNC/signal processing/simulation experience, MATLAB/Python/C/C++ familiarity.
MATLAB, Python, C, C++
1w
Save
Mark Applied
Hide
Manufacturing Test Sustaining Engineer
Tucson, Arizona, United States
OnsiteFull Time
5+ YOEEngineering degree or technical diploma,5+ years technical experience,C++/C# and Python,ability to design and troubleshoot test hardware,willingness to travel internationally and lift up to 15kg.
C++, C#, Python, Lua, Linux
2d
Save
Mark Applied
Hide
Data Scientist
Tucson or Oakland or Washington or New Orleans or Frisco or Houston
$75k-$173k/yr OnsiteFull Time
1+ YOEApply statistical and machine learning techniques using R or Python, build logical data models, create visualizations and dashboards, and communicate analytical findings to technical and non-technical stakeholders.
R, Python, Power BI, Tableau
6d
Save
Mark Applied
Hide
Data Engineer
Tucson or United States
RemoteFull Time
2+ YOE2–4 years experience as a data engineer; hands-on with Azure, Databricks, Python, SQL, Airflow; familiarity with healthcare data standards; strong communication and CI/CD/Git experience.
Azure, Databricks, Databricks Spark Notebooks, Delta Lake, Unity Catalog, PySpark, Python, SQL, Databricks SQL, T-SQL, Airflow, Astronomer, Astro CLI, ADLS Gen2, Key Vaults, Logic Apps, Azure DevOps, Git, Azure Data Factory
2mo
Save
Mark Applied
Hide
Senior AI Engineer - Agentic Systems
Atlanta or Raleigh-Durham or Phoenix or Tucson or Orlando or Nashville or Jacksonville or Houston or Greenville or Dallas or Tampa or Fort Lauderdale or Charlotte or Austin
OnsiteFull Time
6+ YOE6+ years production software engineering; 2+ years building LLM-powered systems; strong Python; LangChain/LangGraph experience; retrieval architectures; cloud data platforms; strong communication.
Python, LangChain, LangGraph, Snowflake Cortex, vector search
1d
Save
Mark Applied
Hide
Staff Applied Scientist, AdTech
Denver or Las Vegas or Phoenix or Salt Lake City or Tucson
$175k-$200k/yr RemoteFull Time
5+ YOE5+ years applied data science experience in digital/performance marketing, strong modeling fundamentals, hands-on ML production in AWS, expert Python and SQL, adtech or leadgen experience preferred.
Python, SQL, AWS, Looker, LLMs, deep learning
3w
Save
Mark Applied
Hide
Principal Optical Engineer
Tucson, Arizona, United States
OnsiteFull Time
12+ YOEU.S. citizen or lawful permanent resident eligible for clearance, Bachelor's in Optical Engineering/Physics, 12+ years optical systems experience, hands-on alignment and characterization, MATLAB, Python, Zemax, FRED experience.
MATLAB, python, Zemax, FRED
1w
Save
Mark Applied
Hide
Artificial Intelligence (AI) Systems Engineer
Tucson, Arizona, United States
$35-$53/hr OnsiteFull Time
3+ YOEBachelor's degree (or equivalent), minimum 3 years relevant experience, proficiency with Python and AI/ML libraries, cloud platform experience, AI governance and product skills, strong communication and stakeholder management.
Python, scikit-learn, PyTorch, TensorFlow, Azure, AWS, GCP, Microsoft Teams, ERP, GIS, CRM, ITSM
1w
Save
Mark Applied
Hide
Environmental Scientist/Hydrologist (GeoSystems Analysis)
Tucson or United States
$68k-$85k/yr FieldFull Time
3+ YOEBachelor's in water-related natural resources required; 3–5 years consulting experience; preferred GIS, Python, numerical modeling, field data collection, report writing; willing to travel to project sites.
GIS, Python
2w
Save
Mark Applied
Hide
Principal Marketing Data Ops Engineer II
Bethesda or Getzville or New York City or Beachwood or Indianapolis or Tucson or Tampa or Chicago or Fredericksburg or Melville
HybridFull Time
7+ YOE7+ years building data pipelines in Python/Scala, 7+ years SQL with enterprise warehouses, 5+ years ETL/ELT and cloud infrastructure experience (Azure/AWS/GCP); BA/BS preferred.
Python, Scala, SQL, Snowflake, Databricks, Azure, AWS, GCP, Azure Data Factory, Microsoft Dynamics, Statsig, REST API
1w
Save
Mark Applied
Hide
Software Engineering Student Assistant - Fall 2026 - ELSYS
Tucson, Arizona, United States
OnsitePart Time
Enrolled bachelor’s student (CS/Engineering/Math/Physics), ≥6 credit hours, 3.0+ GPA, US citizen, able to obtain security clearance; coding with Python/C++/Java and familiarity with containers and networking preferred.
Python, C++, Java, Docker, Kubernetes, Linux, TCP/IP, VLAN, 5G, LTE, MQTT, Modbus
1mo
Save
Mark Applied
Hide
Scientist
Tucson, Arizona, United States
$80k-$130k/yr OnsiteFull Time
2+ YOEBS/MS/PhD in STEM, strong math/physics, programming in Python/C/C++/MATLAB, object-oriented design, signal/image processing experience, ability to obtain Secret clearance, U.S. citizenship required.
Python, C, C++, MATLAB, Linux, MPI, CUDA