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Python Developer Jobs in Montclair, VA, US
4,000+ python developer jobs from 820+ companies hiring in Montclair, VA, US.
10h
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Sales Engineer
Washington or Atlanta or Raleigh
$200k-$250k/yr HybridFull Time
3+ YOE3–10 years total experience with 2+ years in a customer-facing technical role; Python, Docker; cloud-native data architectures; familiarity with Airflow, Snowflake, Databricks, BigQuery; strong communication; startup mindset.
Python, Docker, Airflow, Snowflake, Databricks, BigQuery, dbt, CLI
3w
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ICAM Engineer
Lorton, Virginia, United States
OnsiteFull Time
6+ YOEIAM developer with experience in provisioning, RBAC, federation; strong security practices; hands-on with IAM platforms; cloud and on-premise integration; leadership and communication.
Okta, SailPoint, Azure Active Directory, AWS IAM, Java, Python, PowerShell
3w
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DCO Engineer
Adelphi, Maryland, United States
OnsiteFull Time
5+ YOE5+ years network/systems admin; RHEL and Windows Admin; cloud (AWS/Azure/GCP); RMF/eMASS familiarity; ACAS/Tenable; STIG; Python/Bash/PowerShell; RMF/ATO processes; TS/SCI clearance.
RHEL, Windows Server, AWS, Azure, GCP, VMware, RMF, eMASS, ACAS/Tenable, STIG, Python, Bash, PowerShell, Elasticsearch, Networking, TCP/IP, Firewalls
1w
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Software Engineers
Annapolis Junction or Fort Meade
OnsiteFull Time
Develop, maintain, and optimize software systems; analyze performance; design databases; work with Java/C/C++, Python; exposure to web stacks; TS/SCI clearance.
Java, JavaScript, C, C++, Python, Angular, Docker, Kubernetes, Unix/Linux, MongoDB, Express, React, Node, Go, Vue.js, REST, SOAP, Spring, Hibernate
2mo
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Senior Staff Software Engineer
Boston or Brooklyn or San Francisco or Washington
$225k-$265k/yr HybridFull Time
12+ YOE12+ years backend or data-driven software; cloud deployments; lead engineers; strong communication; ownership of architecture and delivery.
Python, TypeScript, SQL, Docker, Git, Kubernetes, FastAPI, AWS, Azure, MLFlow, Temporal, Postgres, Databricks, OpenSearch
2w
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Software Engineer/Data Manager
Alexandria or Quantico
OnsiteFull Time
8+ YOESenior Software Engineer with data management expertise; 8+ years experience; TS/SCI with poly is required.
Python, Java, C++, SharePoint, PowerPoint, Visual Studio
1w
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Senior Associate, Enterprise Application Developer
Washington or Baltimore
$62k-$99k/yr HybridFull Time
3+ YOEBachelor's degree in Computer Science or Information Systems; 3+ years in software development and automation; experience with Microsoft 365, SharePoint Online, CI/CD; scripting/programming in PowerShell, JavaScript/TypeScript, Python; Azure AD and APIs; strong problem-solving and communication.
Power Apps, Power Automate, Office Scripts, SharePoint Online, GitHub Actions, Azure, Azure AD, Graph API, Salesforce, SQL, JavaScript, TypeScript, Python, PowerShell
3mo
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DevOps Engineer
Fort Meade, Maryland, United States
OnsiteFull Time
Delivers automation, integration, and software engineering support for enterprise IT monitoring, logging, and security platforms; bridges development and operations to improve reliability, scalability, and compliance.
Linux, Python, Bash, Splunk, Nagios, NetFlow, CI/CD, Docker, Kubernetes, Cribl, Syslog, HP NNMi, HPNA
3w
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GNC Engineer
Arlington, Virginia, United States
OnsiteFull Time
Masters in Aerospace, Mechanical, Computer Science, or related field; strong flight dynamics; proficient in C/C++, Python; experience with PX4/ROS/ROS2; Kalman filtering; US citizenship with eligibility for Secret clearance; travel to customer sites.
C, C++, Python, Linux, PX4, ROS/ROS2, Kalman filtering
5d
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Aerospace Engineer - Midlevel
Dahlgren, Virginia, United States
$110k-$180k/yr OnsiteFull Time
5+ YOEBS in aerospace or related field, 5+ years' experience, active DoD Secret clearance or ability to obtain, MATLAB/Python proficiency, strong communication, onsite in Dahlgren.
MATLAB, Python, C++
3w
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RPA Developer (Robotic Process Automation, Associate)
Arlington, Virginia, United States
$122k-$131k/yr HybridFull Time
7+ YOE7+ years relevant experience; federal financial/business processes knowledge; 1-3 years in systems development; 1 year RPA bot development; strong analytical and communication skills.
UiPath, Automation Anywhere, Blue Prism, Kofax, SQL, NoSQL, C#, Visual Basic, Python, JavaScript, Java, .NET, REST APIs
1w
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Cloud Engineer
Washington, District of Columbia, United States
HybridFull Time
3+ YOEBachelor’s degree or equivalent; 3–7 years cloud engineering experience; AWS/Azure/GCP; IaC (Terraform/CloudFormation); Docker/Kubernetes; CI/CD tooling; scripting (Python/Go/Bash); cloud security basics; monitoring/observability.
Terraform, CloudFormation, Docker, Kubernetes, GitHub Actions, GitLab CI, Jenkins, Python, Go, Bash, Prometheus, Grafana, ELK/EFK
1w
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Applications Engineer
Dallas or Charlotte or Knoxville or Palo Alto or Washington or United States or Canada or North America
$98k-$114k/yr HybridFull Time
4+ YOEBachelor’s in a technical field with 4-6 years (Master’s 2-5, PhD 0-3) of relevant experience; programming in Python, R, MATLAB; power systems or emerging energy tech background; strong client-facing and communication skills.
Python, R, MATLAB
1mo
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Cloud Engineer
Arlington, Virginia, United States
OnsiteFull Time
6+ YOE6+ years in cloud engineering or Linux systems; BS in CS/CE/CIS/CSEng or HS diploma with extensive experience; cloud platforms AWS/Azure/GCP; scripting (Bash, Python); CI/CD tools; Linux admin; OpenShift/Kubernetes.
Ansible, Terraform, Red Hat Satellite, AWS, Azure, Google Cloud Platform, OpenShift, Kubernetes, Docker, Jenkins, GitLab CI/CD, ArgoCD, Python, Bash
1w
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Network Engineer- 4068949
Washington, District of Columbia, United States
$125k-$145k/yr HybridFull Time
5+ YOE5+ years as a Network Engineer; strong diagnostics; scripting (Bash/Python/PowerShell); PKI experience; knowledge of TCP/IP, routing, and security; able to work with government standards.
Nessus, Splunk, Burp Suite, SonarQube, Trivy, Zabbix, Matomo, Prometheus, Grafana, Fortinet, iptables, Cisco, VPN, ipv4, ipv6, OSPF, BGP, BASH, Python, PowerShell, curl, regex, Puppet, Docker, Podman, Kubernetes, Ansible, Harbor, Satellite, libvirt, KVM, Storage Management, PKI
1w
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Data & Microsoft Platform Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Bachelor’s degree in Engineering/Computer Science/IT; strong SQL Server and relational design; MS environment experience (SharePoint, Power BI, Azure); problem-solving; self-starter; effective communicator; development experience (Python, C#, APIs); onsite in Chantilly, VA.
Microsoft SQL Server, SharePoint, Azure, Power BI, Python, C#, APIs
1mo
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Databricks Data Engineer
Manassas or Chesterfield
OnsiteFull Time
3+ YOE3+ years in Databricks/PySpark with cloud data pipelines; SQL/Python skills; ML/MLOps experience a plus.
Azure Databricks, Delta Lake, PySpark, Python, MLflow, Databricks Workflows, Delta Live Tables (DLT), Unity Catalog, SSIS, AZURE, GitHub Actions, Azure DevOps, Pandas, SQL
1mo
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Staff Full Stack Engineer, GTM Systems
Austin or Chicago or Washington or New York
$214k-$245k/yr HybridFull Time
8+ YOE8+ years of full-stack software engineering; React/TypeScript; backend/DB; AI tooling and LLMs; internal platforms; deployment platforms.
React, TypeScript, Next.js, Python, FastAPI, PostgreSQL, Supabase, Vercel, OpenAI API, GitHub Copilot
1mo
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Azure DevOps Engineer III (Principle) (75661)
Sterling, Virginia, United States
OnsiteFull Time
6+ YOESenior DevOps engineer with deep CI/CD, IaC, and cloud expertise; leadership in pipeline design, governance, and secure delivery.
GitHub Enterprise Actions, Terraform, Ansible, Azure, Kubernetes, AKS, PowerShell, Bash, Python, Git
4w
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Machine Learning Engineer - Secure AI Lab
Pittsburgh or Arlington
OnsiteFull Time
8+ YOEExperience in machine learning, AI, software engineering; on-site work in Pittsburgh or Arlington; ability to work with government sponsors and ensure secure AI.
TensorFlow, PyTorch, Torch, Caffe, Python, C++, Java, ETL, data pipelines
1mo
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Data Engineer (Azure)
Bethesda, Maryland, United States
OnsiteFull Time
3+ YOEMid-level data engineer with Azure, 3+ years, Python, Azure data pipelines, U.S. citizenship with ability to obtain federal clearance, Bachelor's in CS/Engineering/Data Science or equivalent.
Azure Data Factory, ADLS Gen2, Synapse Analytics, Azure SQL, Python, SQL, Pandas
1w
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CRM and Integration Developer
Washington, District of Columbia, United States
$55k-$100k/yr HybridFull Time
2+ YOEBachelor’s degree in Computer Science or related field; 2-4 years enterprise systems design, CRM development, and integration; Salesforce CRM, MuleSoft; front-end development; scripting; databases; IAM; certifications preferred.
Salesforce CRM, MuleSoft, Anypoint Platform, Workday, Oracle, SQL Server, HTML, CSS, Python, Java, JavaScript, Shell Scripting, LDAP, Shibboleth, Kerberos, REST APIs, SOAP APIs, Git, CVS, SVN
5d
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Senior Data Engineer
McLean, Virginia, United States
$125k-$165k/yr RemoteFull Time
8+ YOE10+ years in data engineering, lead data pipelines, Databricks, Python, SQL; public trust clearance; regulated cloud experience.
Databricks, Python, SQL, Apache Spark, Delta Lake, MLFlow
1mo
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Senior Full Stack AI Engineer
Jacksonville or Iselin or Washington or Richardson
$110k-$190k/yr OnsiteFull Time
7+ YOE7+ years software engineering; enterprise apps; React front-end; server-side frameworks; AI tooling; security and cloud knowledge.
React, NestJS, Express, Python, FastAPI, Django, NET Core, Claude Code, GitHub Copilot, Cursor, Replit
2w
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Data Engineer (Junior)
Arlington, Virginia, United States
$72k-$75k/yr OnsiteFull Time
3+ YOEBachelor's degree with at least 3 years relevant experience; Python experience (Pandas/Polars/Scikit-Learn); knowledge of data structures/algorithms; willing to travel domestically and internationally; able to work with diverse stakeholders.
Python, Pandas, Polars, Scikit-Learn, Power BI
1mo
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SIMULATION & DIAGNOSTICS DEVELOPER
Greenbelt, Maryland, United States
$170k-$190k/yr HybridFull Time
12+ YOEUS citizenship; extensive software development lifecycle experience; embedded software; TCP/UDP networking; DTN protocols; Linux/VxWorks RTOS; C/C++/Java; testing and documentation; familiarity with Git/JIRA/GitHub.
C, C++, Java, XML, JSON, Linux, RTOS (VxWorks), Git, JIRA, GitHub, Python, TCP, UDP, DTN, NASA standards
2mo
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Founding Security Engineer
Washington, District of Columbia, United States
$170k-$230k/yr OnsiteFull Time
5+ YOE5–8 years security experience; cloud security (GCP); Python; security tooling; GitHub, Terraform, CI/CD; collaborative mindset.
Python, GCP, Kubernetes, Terraform, CI/CD
1mo
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Cyber Systems Engineer (Project Engineer)
Chantilly, Virginia, United States
OnsiteFull Time
8+ YOE8-10 years with BS/BA or 6-8 years with MS/MA or 3-5 years with Ph.D.; TS/SCI with Poly; DoD 8570 IAT/IAM; strong statistics, AI/ML, Python; data visualization and analysis.
Python, SageMaker, Tableau, MS Office, MS Project, Visio, Infogram, Chartblocks, ServiceNow, Splunk, AWS
1mo
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Senior Test Engineer
Fort Meade, Maryland, United States
$115k-$140k/yr OnsiteFull Time
5+ YOEPlan, execute, and evaluate system tests across hardware, software, networking, virtualization, and cloud environments; DoD testing experience; Python and Linux skills.
Python, Linux, Suricata, Snort, Selenium, JUnit, TestNG, Java, JavaScript
1mo
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Staff Industrial Engineer
Georgetown, Texas, United States
OnsiteFull Time
5+ YOE5+ years engineering in manufacturing; Bachelors in industrial/mechanical engineering; Python/SQL/Tableau/Power BI proficiency; strong analytical and leadership skills.
Python, SQL, Tableau, Power BI
1mo
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Senior Data Engineer
Rockville, Maryland, United States
OnsiteFull Time
7+ YOE7+ years data engineering in AWS, Python/SQL, PySpark, ETL pipelines, Terraform, CI/CD, Unix scripting, Power BI integration.
AWS, Python, SQL, PySpark, Terraform, GitOps, Power BI, Unix/Linux, S3, Athena, Redshift, Glue, Lambda, Step Functions, CloudFormation, CDK
1mo
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Senior Software Engineer (TS/SCI w/poly)
Fort Meade, Maryland, United States
$250k-$295k/yr OnsiteFull Time
14+ YOESenior Software Engineer with TS/SCI w/poly clearance; 14+ years software engineering or 18+ years without degree; BS in CS preferred.
Java, JavaScript, Git, SQL, Python, SDLC, UI/UX, Angular, React, Vue.js, AWS, C#, API Development
1d
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Data & Automation Engineer
Reedsville, Pennsylvania, United States
OnsiteFull Time
1+ YOE1–3 years in Python data pipelines, REST APIs, SQL; degree in Computer Science or related field; strong problem solving and eagerness to learn.
Python, REST APIs, Snowflake, Power BI, Power Automate, UiPath
3mo
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Product Security Engineer
New York City or Washington, D.C. or Boston
$175k-$210k/yr OnsiteFull Time
6+ YOE6+ years in application security or related, strong cloud and software security skills, proficient with security tools, coding in Java/Python/C++, and cloud architectures.
Burp Suite, OWASP ZAP, Python, TypeScript, Java, C++, CloudFormation, Terraform, AWS, GCP, Azure
5d
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Sr. Cybersecurity Engineer
Washington, DC or Silver Spring or Atlanta
$121k-$225k/yr HybridFull Time
5+ YOE5+ years in enterprise security platforms (EDR, SIEM), strong experience with SentinelOne and Splunk, AI/ML exposure, scripting (Python) and cloud security integrations.
SentinelOne, Splunk, Python, AI/ML, Generative AI, APIs
1w
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Full Stack Platform Engineer - Angular / Spring / Kubernetes (Top Secret Clearance Required)
Herndon, Virginia, United States
HybridFull Time
Front-end with Angular/TypeScript; back-end with Java Spring and Python; Kubernetes, Docker; Linux/RHEL; CI/CD; Git; JIRA/Confluence; active Top Secret clearance.
Angular, Spring, Kubernetes, Docker, Linux, RHEL, Git, JIRA, Confluence
2w
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Senior Instrumentation Engineer
Manassas, Virginia, United States
OnsiteFull Time
8+ YOE8+ years in aerospace instrumentation and data acquisition; bachelor's in aerospace/related engineering; hands-on with DAS hardware; MATLAB/Python proficiency; familiarity with FAA/EASA certification processes; strong avionics/propulsion/structures exposure; U.S. citizenship or permanent residency.
MATLAB, Python, Data Acquisition Systems, Sensor Hardware, Signal Conditioning, Test Software
1w
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Systems Engineer Senior Level
Laurel, Maryland, United States
$160k-$215k/yr OnsiteFull Time
Senior Systems Engineer with TS/SCI clearance and polygraph; experience with DNS/DHCP/IPAM (DDI), Infoblox, network automation; scripting (Python/Perl); RMF; strong problem-solving.
Infoblox, DNS, DHCP, IPAM, Load Balancing, F5, Python, Perl, RMF
2mo
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Data Engineer
Washington, District of Columbia, United States
$122k-$134k/yr RemoteFull Time
6+ YOE6-8 years in data management/engineering; 3+ years cross-functional collaboration; BS/MS in engineering or computer science; AWS Developer certification desirable; familiarity with medical education data beneficial; US work authorization; remote with occasional travel.
Python, SQL, PL/SQL, ETL/ELT, Airflow, AWS Glue, AWS S3, AWS Lambda, AWS IAM
1d
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Mid Cloud Engineer
Washington, District of Columbia, United States
$115k/yr OnsiteFull Time
5+ YOECloud engineer with DevSecOps focus, multi-cloud architecture, IaC, automation; 5+ years software/cloud development; 3+ years in senior/lead cloud role.
Terraform, Ansible, Jenkins, GitLab, CloudFormation, Docker, Kubernetes, Python, Java, CI/CD, IaC
HiringCafe market data
Python Developer Jobs market signals in Montclair, 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
4,000+
Hiring companies
820+
Fresh sample
58% new in 30d
Salary visibility
41% show pay
Companies appearing in this market
AnalyticaArtera TechnologiesElectraRDRUpsideAstrionSIXGENBana Solutions
Work location mix in visible results
Onsite: 43Hybrid: 21Remote: 2