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Python Developer Jobs in McLean, VA, US
4,300+ python developer jobs from 860+ companies hiring in McLean, VA, US.
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Senior DevSecOps and Infrastructure Engineer
Washington, District of Columbia, United States
$135k-$160k/yr HybridFull Time
4+ YOEBachelor's in CS/IT; 4-6 yrs DevSecOps/Infrastructure; Azure, Kubernetes, Terraform/Bicep; Git-based workflows; CI/CD pipelines; Entra ID/RBAC; onsite/hybrid in DC area.
Azure, Azure Kubernetes Service (AKS), Terraform, Azure Bicep, GitHub Actions, Azure DevOps, Jenkins, Entra ID, PowerShell, Python, Bash
1w
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Software Development Specialist Advisor (Arlington (REMOTE), VA, US)
Arlington, Virginia, United States
$106k-$245k/yr RemoteFull Time
10+ YOE10+ years in application development; ArcGIS expertise; Python scripting; experience with geospatial data; AWS GovCloud; RBAC; ability to obtain Public Trust clearance.
ArcGIS, Python, AWS GovCloud, ArcGIS Server, Portal for ArcGIS, ArcGIS Data Store, RBAC
1w
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Professional Services - Sr. Solutions Engineer (SE) for Embedded Systems
Washington, District of Columbia, United States
OnsiteFull Time
5+ YOESenior technical consultant with 5+ years in systems engineering, cloud/infrastructure, embedded/real-time, strong troubleshooting, security-focused, able to travel; U.S. citizenship with clearance preferred.
C++, Python, Go, Java, Git, JIRA, CI/CD, Linux, Virtualization, Containerization, Infrastructure as Code, Automation
2mo
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System Engineer - Machine Learning (ML) Integration and Optimization (AE2689523)
Annapolis Junction, Maryland, United States
$156k-$167k/yr OnsiteFull Time
14+ YOEU.S. Citizenship; TS/SCI with polygraph; 14+ years SE experience; strong communication; basic Linux; on-site in Annapolis Junction, MD.
Python, Linux, Kubernetes, Wireshark, YOLO
2mo
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Senior Network Engineer (Active Secret Clearance Required)
Alexandria or Washington
OnsiteFull Time
5+ YOEBachelor's degree preferred; 5+ years network engineering/architecture; 3+ years Cisco SD-WAN; Active Secret Clearance; IAT II/III certs.
Cisco SD-WAN, Cisco 4331, Cisco C8300, UCS servers, Firepower Management Center, Python, Ansible, AWS, Azure
4w
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Platform Engineer (Cyber System Assessments) MD (Ft Meade, MD, US)
Fort Meade, Maryland, United States
$113k-$152k/yr OnsiteFull Time
6+ YOEBS in CS/CE/Cyber Security with 6+ years or MS with 3+ years; experience designing or maintaining complex software platforms.
Kubernetes, Docker, containerd, podman, GitLab, Git, Terraform, Pulumi, Crossplane, Cluster API, Argo CD, Flux CD, Istio, Linkerd, Traefik, CKA, CKS, sigstore, trivy, GitLab CI, Tekton, Argo Workflows, CI/CD, 12-factor apps, Python, Go, C/C++
4d
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Network Day 2 Operations Engineer
Maryland City, Maryland, United States
HybridFull Time
5+ YOE5-10 years in enterprise network operations; routing/switching, firewall management on Cisco/Palo Alto; SSL/TLS inspection; ITSM tools; scripting; network automation; on-call flexibility.
Cisco Routers, Cisco Switches, Cisco ASA, Palo Alto PAN-OS, Cisco VPN AnyConnect, Zscaler ZIA/ZPA, HPE Aruba, Imperva WAF, F5 BIG-IP, Infoblox DDI, Git, Python, Ansible, Terraform, NETCONF/YANG, NAPALM, Netmiko
1mo
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AI Research Computing Infrastructure Engineer
Frederick, Maryland, United States
$124k-$207k/yr OnsiteFull Time
8+ YOEBachelor’s degree or 4 years experience; 8+ years related experience; Linux systems engineering; container orchestration; scripting; IaC tooling; performance tuning; security clearance ability.
Kubernetes, Nomad, Run:AI, Python, Bash, Go, Terraform, Ansible, Packer, Pytorch, Ray, Airflow, Dagster, Kubeflow, Prefect, Dagster, Kubeflow, MLFlow
2mo
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Sr. Solutions Engineer (Field) – US Remote, Washington DC
Washington, District of Columbia, United States
$150k-$250k/yr RemoteFull Time
5+ YOE5+ years in Solutions Engineering or Technical Pre-Sales; strong cloud and cybersecurity knowledge; proven executive engagement; Bachelor’s degree or equivalent experience.
AWS, Azure, GCP, Python, Bash, PowerShell, SIEM, XDR, CNAPP, Cloud Security
3d
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SAP NS2 Senior DevSecOps Engineer (Herndon, VA, US, 20171)
Herndon, Virginia, United States
$131k-$272k/yr OnsiteFull Time
7+ YOE7+ years in security engineering, DevSecOps, or cloud security; strong CI/CD, Kubernetes, and IaC experience; AWS security expertise; hands-on with cloud security tooling; proven ability to lead threat modeling and implement security controls.
AWS, Azure, GCP, Terraform, CloudFormation, Helm, Pulumi, Kubernetes, EKS, GKE, AKS, Python, Go, Shell, HCL, Tenable, Nessus, Tenable.io, Tenable.sc, CrowdStrike, EDR, XDR, Dynatrace, APM, observability, SIEM, SOAR, CI/CD, IaC, CI/CD pipelines, Cloud security tooling, CNAPP, Policy as Code, Cloud native security
1mo
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Powder River Industries, LLC - Data Virtualization Engineer - Tier 2
Washington, District of Columbia, United States
OnsiteFull Time
5+ YOE5+ years in VDI engineering; experience with VMware Horizon, Citrix, or RDS; design, deployment, troubleshooting; strong networking; certifications preferred.
VMware Horizon, Citrix Virtual Apps and Desktops, Microsoft Remote Desktop Services, VMware ESXi, Hyper-V, AWS, Microsoft Azure, Oracle, PowerShell, Python
1w
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(USA) Principal, Software Engineer, Information Security
Bentonville or Sunnyvale or Bellevue or Herndon
$110k-$264k/yr HybridFull Time
10+ YOE10+ years of enterprise Active Directory engineering and infrastructure architecture; expertise in virtualization, automation, and security; strong leadership and communication skills.
PowerShell, Python, Go, VMware, Hyper-V, Active Directory, LDAP, Kerberos, OAuth, IaC tooling, Automated monitoring, Zero Trust
1w
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Senior DevOps Engineer - Build / Environment Manager
Arlington, Virginia, United States
HybridFull Time
10+ YOESenior DevOps and Cloud Engineering with 10+ years of experience; strong AWS expertise; lead DevOps function; CI/CD, infrastructure as code, security, observability; collaboration across teams.
GitHub Actions, Terraform, AWS CDK, Serverless Stack (SST), Ansible, CloudFormation, Docker, Kubernetes, Cloudflare, Prometheus, Grafana, Nagios, ELK Stack, Python, PowerShell, JavaScript, Java, Git
1mo
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Senior Customer Care Engineer - Federal TS SCI w/ FSP
Washington, District of Columbia, United States
$180k-$200k/yr RemoteFull Time
7+ YOE7+ years technical customer support; TS SCI with FSP poly; networking and systems expertise; willing to travel; on-call availability.
Python, Kubernetes, Linux, APIs, AWS, Azure, GCP
1w
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Information Systems Security Engineer - Mid to Expert Level (Maryland)
Fort Meade, Maryland, United States
$105k-$197k/yr OnsiteFull Time
3+ YOESecurity engineer with CS/related degree; experience in information/cyber/security, RMF, risk assessment, vulnerability management; proficient in programming and cloud security.
Python, Java, RMF, NIST, Cloud computing, Vulnerability assessment
2mo
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Associate Principal/Forensic AI Engineer (Forensic Services practice)
Boston or Chicago or New York or Washington
$140k-$170k/yr HybridAll Commitments Available
8+ YOE8–10+ years in ML/AI, digital forensics, or related field; expertise in LLMs, synthetic media, and AI governance; strong communication for legal settings.
Python, PyTorch, TensorFlow, pandas, NumPy, scikit-learn, SQL, OpenCV, Docker, Kubernetes, AWS SageMaker, GCP Vertex AI, Azure Machine Learning, LangChain, LlamaIndex, Transformers, PEFT, DALL·E, Ffmpeg, Pinecone, Weaviate, ChromaDB, pgvector, Spark, Airflow, Snowflake, BigQuery, Redshift
3w
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CWMD Computer Programming SME
Arlington, Virginia, United States
$91k-$165k/yr OnsiteFull Time
5+ YOEBachelor's degree with 5+ years or Associate's with 8+ years or High School with 11+ years of experience; strong Python, C++, Visual Basic; knowledge of CWMD, nuclear effects modeling, and software development.
Python, C++, Visual Basic
1mo
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SME - Software Engineering (DC)
Los Angeles or Washington
$200k-$310k/yr HybridFull Time
12+ YOE12+ years in software development; 10+ years in leadership; BS CS/SE or MS degree; proficient in Python/Java/C++; Agile/DevSecOps/SRE/CI/CD; TS/SCI clearance with CI polygraph.
Python, Java, C++, Agile, DevSecOps, Site Reliability Engineering, CI/CD
2w
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Postdoctoral Position in Transient and Multi-messenger Astronomy Data Science
Greenbelt, Maryland, United States
$78k-$84k/yr HybridFull Time
PhD in astronomy, physics, or related field; strong data science, software development, data visualization, React/TypeScript, Python; experience with Apache Kafka and cloud computing preferred.
React, TypeScript, Python, Apache Kafka, Cloud computing
2w
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Flight Operations Engineer_Junior
Greenbelt, Maryland, United States
HybridFull Time
3+ YOEEntry-level flight dynamics/operational support role requiring aerospace/physics/math background; 0-3 years experience; DoD Secret clearance eligible.
Python, MATLAB, STK, Windows, Linux, UNIX
14h
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JCATS Ground Campaign Modeler
Alexandria, Virginia, United States
$67k-$277k/yr OnsiteFull Time
2+ YOE2+ years with JCATS; Bachelor's in OR/Math/Systems Eng/CS; programming in R, Python, SQL, C++; research accomplishments; ability to develop analytic methodologies; security clearance eligible.
JCATS, STORM, AFSIM, R, Python, SQL, C++
2mo
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Partner, Head of Offer & Commercial Development
Seattle or San Francisco or Chicago or Cincinnati or Troy or Washington or Norwalk or New York
HybridFull Time
10+ YOE10+ years in data analytics or consulting; strong commercial acumen; leadership experience; expertise in data integration and analytics; proficiency in Python, R, SQL, Tableau; cloud platform familiarity
Python, R, SQL, Tableau, AWS, Azure, GCP
14h
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JCATS Ground Campaign Modeler
Alexandria, Virginia, United States
$67k-$277k/yr OnsiteFull Time
2+ YOEJCATS experience; STORM/AFSIM exposure; degree in OR/math/Systems; programming in R, Python, SQL, C++; strong research record; develop analytic methods; communicate results; ability to obtain TS clearance.
JCATS, STORM, AFSIM, R, Python, SQL, C++
4w
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Director of Web Development
Streetsboro or Cleveland or Hyattsville
$80k-$110k/yr OnsiteFull Time
8+ YOE3+ Mgmt8+ years progressive web dev; 3+ years leadership; front-end (HTML5, CSS3, JavaScript, React/Vue), back-end (Node.js, PHP, Python); CMS (WordPress/Webflow); SEO/GA4/CRO; Agile; leadership & distributed teams.
HTML5, CSS3, JavaScript, React, Vue.js, Node.js, PHP, Python, WordPress, Webflow, GA4, Google Tag Manager
12h
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AI Programmer
Washington or Washington
OnsiteFull Time
4+ YOEMid–Senior AI programmer with 4–7+ years in AI agents, MCP servers, Python engineering.
Python, Git, Docker, LangChain, LangGraph, MCP
1w
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Cyber Software Engineering Intern
Herndon, Virginia, United States
OnsiteInternship
Enrolled in Computer Science/Engineering; experience in C/C++/Python; Linux; US citizenship; ability to obtain government clearance.
C, C++, Python, Linux
1w
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Summer Intern, Site Engineering
Washington, District of Columbia, United States
OnsiteInternship, Full Time
0+ YOEPursuing a degree; experience with React, CSS, JavaScript, Python; frontend and backend interest; collaborative; on-site summer internship in DC.
React, CSS, JavaScript, Python, NodeJS
2mo
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Research Associate - Natural Language Processing (AI)
Alexandria, Virginia, United States
$69k-$194k/yr OnsiteFull Time
6+ YOEBachelor’s or Master’s in CS/AI/ Computational Linguistics/ Data Science; 6+ years NLP/software development; US citizenship; strong NLP and Python/SQL/Linux skills; web UI experience; ability to obtain/maintain security clearance.
BERT, sentence embeddings, transformers, TF-IDF, NMF, Python, SQL, Linux, JavaScript, Node.js, TypeScript
3w
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AI/ML Intern
Reston, Virginia, United States
OnsiteInternship
0+ YOEPursuing a degree in CS/Data Science/Engineering; strong Python/ML basics; ML pipelines; platform integration; good communication.
Python, PyTorch, Pandas, Hugging Face, REST, SDK, ServiceNow, Azure OpenAI
1mo
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General Maintenance and Repair Worker- PA-08-7010
Williamsburg or Washington
OnsiteFull Time
8+ YOEBachelor's degree in CS, Systems Engineering, IT, Business Administration, or Data Science; minimum 8 years systems engineering experience; experience with government entities (DoD/VA); ERP systems (SAP, Oracle, MS Dynamics); data analysis tools (SQL, Python, R) and reporting (Power BI, Tableau); knowledge of data governance; US citizenship with ab...
ERP systems (SAP, Oracle, Microsoft Dynamics), SQL, Python, R, Power BI, Tableau
1mo
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Red Drum Holdings - Cryptologic Computer Scientist (Level 1-4)
Annapolis Junction, Maryland, United States
$119k-$220k/yr OnsiteFull Time
5+ YOEStrong CS background; Python and Spark/PySpark; network and protocol analysis; TS/SCI with Polygraph; Bachelor’s or Associate degree with relevant experience.
Python, Spark/PySpark
2mo
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Senior Data Scientist
Lehi or Herndon
HybridFull Time
6+ YOE6+ years in analytics/ML/AI; Python proficiency; PyTorch and ML frameworks experience; scalable data pipelines; cross-functional collaboration.
Python, PyTorch, ML SDKs, GPU-accelerated compute
1mo
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Senior Director, Software Engineering
Philadelphia or Alexandria or Ann Arbor
HybridFull Time
10+ YOE5+ Mgmt10+ years in technology leadership with cross-functional teams; 10+ years software engineering; Bachelor's in CS or related field; Proficient in Java and Python.
Java, Python, XML, HTML, XSLT, XML Schema, XQuery, XPath, PDF, TIFF, Angular, Talend, Pentaho, Databricks, Spark, EMR, Hive, Microservices, SOAP, REST, JavaScript, Node.js, AWS, AMQ, JMS, Spring Boot, PostgreSQL, MySQL, SQL Server, Oracle, ETL, SaaS, NL P, ML, AI
1mo
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Development Chief / Technical Architect
Arlington, Virginia, United States
HybridFull Time
10+ YOEBA/BS or 5 years experience; moderate security clearance; 10+ years leading technical software and system solutions; software architecture expertise; Agile experience; strong leadership and communication; web and API development experience.
Java, JavaScript, Git, SQL, Python, Angular, React, Vue, AWS, Microsoft C#, Angular 2
2mo
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CWMD Computer Programming SME
Arlington, Virginia, United States
OnsiteFull Time
25+ YOEUS citizenship, TS/SCI clearance, Bachelor's; 25 years in technical DoD roles; Python/C++, C++, Visual Basic; modeling complex systems.
Python, C++, Visual Basic
2mo
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University 2026 Talent Acquisition AI Product Engineering Intern
Mountain View or McLean or New York City or Tampa
OnsiteFull Time, Internship
Pursuing a Bachelor's or Master's in CS/Engineering/AI; strong Python and API skills; experience with automation/AI apps; familiarity with LLM prompting or orchestration; strong systems thinking.
Python, APIs, LLMs, AI frameworks, Workflow automation tools, Webhooks
1mo
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AI Enablement Analyst
Reston, Virginia, United States
HybridFull Time
1+ YOE1–4 years in a technical role; hands-on with LLMs/GenAI; Azure/Foundry/C Copilot/Power Platform; API/webhooks; JavaScript/Python; automation workflows; strong collaboration.
Azure, Power Platform, Copilot, Foundry, Teams, API, webhooks, JavaScript, Python, n8n
2w
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CWMD Computer Programming SME
Arlington, Virginia, United States
$91k-$165k/yr OnsiteContract
5+ YOEBachelor's degree + 5+ years or Associate's + 8+ years or High School + 11+ years; experience in Python/C++/Visual Basic; knowledge of DoD modeling environments; TS with SCI eligibility.
Python, C++, Visual Basic
2mo
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Delivery Engineering Lead
Washington, District of Columbia, United States
$235k-$255k/yr OnsiteFull Time
10+ YOE3+ Mgmt10+ years software engineering; 3+ years engineering leadership; deployment automation expertise; strong Go/Python/Java skills; AI tooling experience; DevOps and IaC (Terraform, Ansible); stakeholder management.
Go, Python, Java, Terraform, Ansible, GitHub Copilot, Claude Code
1mo
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AI Integration Lead
Washington, District of Columbia, United States
OnsiteFull Time
5+ YOEBachelor in CS or Data Science; 5+ years professional experience; 3+ years AI-focused experience; Python/SQL; RESTful APIs; AWS cloud; computer vision; civil engineering/geospatial exposure; strong communication.
Python, SQL, RESTful APIs, AWS, S3, Lambda, Computer Vision, Geospatial Data
HiringCafe market data
Python Developer Jobs market signals in McLean, VA, US
These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.
Open jobs
4,300+
Hiring companies
860+
Fresh sample
55% new in 30d
Salary visibility
65% show pay
Companies appearing in this market
Institute for Defense AnalysesNTT DATASoutheastern Universities Research AssociationAdvantage Engineering & IT SolutionsSAPMIT Lincoln LaboratoryThe Washington PostAccellor
Work location mix in visible results
Onsite: 41Hybrid: 14Remote: 5