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Python Developer Jobs in McLean, VA, US
4,300+ python developer jobs from 860+ companies hiring in McLean, VA, US.
1mo
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Mid-Level Network Engineer
Silver Spring, Maryland, United States
HybridFull Time
Concept Plus: Delivers enterprise IT services for federal government agencies.
5+ YOE5+ years network engineering experience; Cisco ISE/Firepower; routing and switching; cloud experience (GCP/OCI); US citizenship; bachelor’s in IT; ability to obtain Public Trust.
Cisco ISE, DNAC, VPN, IP Routing, OSPF, BGP, GCP, OCI, Linux, Python
2w
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Data Engineer (VA, Quantico)
Quantico, Virginia, United States
OnsiteFull Time
10+ YOETen years IT experience with at least six years in data engineering; strong SQL and coding skills; cloud experience; DoD/DoN or law enforcement familiarity preferred.
SQL, Python, Java, R, Scala, AWS, Azure, GCP
6d
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Mechanical Engineer - Senior-Level
Elkridge, Maryland, United States
$82k-$126k/yr HybridFull Time
5+ YOESenior-level mechanical engineer with PE preferred; 5+ years in design for heavy industrial plants; ABET-accredited degree; leadership and mentoring abilities.
Python, MATLAB, Excel
1mo
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Lead Cybersecurity Engineer / Information Systems Security Engineer (ISSE), TS/SCI
Reston, Virginia, United States
OnsiteFull Time
14+ YOELead DevSecOps security engineer with DoD RMF, TS/SCI, 14+ yrs exp, CI/CD security, IaC, SAST/SCA, cloud, DoD environment.
GitLab CI, Jenkins, SAST, SCA, Terraform, Ansible, Docker, Kubernetes, Python, Bash, Powershell
4h
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Application Security Engineer (Veracode) — Federal DevSecOps
Fairfax or United States
RemoteFull Time
6+ YOE6+ years IT experience; 3+ years SAST/DAST; 2+ years coding in Python/Java/.NET/C#; 3+ years designing enterprise security controls; US citizenship and Public Trust suitability.
Veracode, Burp Suite Enterprise, GitHub Actions, Dependabot, Contrast (IAST), Selenium, EntraID, OWASP ZAP
1w
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Cloud Services Engineer
Washington or Denver
OnsiteFull Time
5+ YOE5+ years cloud architecture with hands-on Azure, AWS, or Google Cloud; DevSecOps, IaC, Kubernetes; security focus; customer-facing; TS clearance; BS in CS/IT.
Azure, AWS, Google Cloud, Kubernetes, Docker, Ansible, Terraform, ARM, Bicep, PowerShell, Python, JSON, YAML, OAuth, Azure AD
2w
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Field Service Engineer
Washington, District of Columbia, United States
OnsiteFull Time
7+ YOEDesign, implement data pipelines and platforms; collaborate with stakeholders; 7+ years in software/data engineering; secret clearance.
Python, PySpark, Pandas, SQL, R, Spark
1mo
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Software Engineer - Infrastructure
Washington or San Francisco
HybridFull Time
7+ YOE7+ years building production infrastructure; led cross-functional projects; strong ownership and communication; experience with Kubernetes, Terraform/Pulumi, and major cloud platforms.
Kubernetes, Helm, OpenTelemetry, Terraform, Pulumi, AWS, GCP, Azure, Python, Go, Rust
1mo
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Principal DevOps Engineer
Arlington, Virginia, United States
OnsiteFull Time
12+ YOE12–16 years in DevOps, Infrastructure Automation, or related domains; expert in Ansible, Linux, scripting; CI/CD experience; leadership in automation architecture.
Ansible, Linux (RHEL/Ubuntu), Bash, Python, GitLab CI, Jenkins, GitHub Actions
2mo
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Enterprise Network Engineer
College Park or Washington
OnsiteFull Time
8+ YOE8+ years enterprise network engineering; Cisco routing/switching; DoD/DoW Secret clearance; data center, VPN, firewall; strong communication.
Cisco IOS, Cisco IOS XE, Catalyst, Nexus, Firewall, VPN, Ansible, Python
1w
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System Integration Engineer
Columbia, Maryland, United States
OnsiteFull Time
8+ YOEEight+ years in IT/system engineering; security clearance (Secret); Linux/Windows, virtualization, networking, and scripting experience.
Linux, Windows, Wireshark, VMware, CentOS, RedHat, PowerShell, PowerCLI, Python, REST APIs, Salt, Puppet, CHEF, Ansible, iSCSI, Flash SANs, SolarWinds, Firewalls, Load Balancers, NIDS, NAT, PAT, VPC, ACLs, PKI, HSMs, NTP, ArcSight
2mo
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Senior Network Engineer
Springfield, Virginia, United States
OnsiteFull Time
4+ YOESenior Network Engineer with 4+ years (mid) to 6+ years (senior) hands-on Cisco routing/switching, firewall, and VPN experience; cloud, proxy, load balancer skills; US citizenship and security clearance requirements; BA/BS preferred; strong documentation and on-call capabilities.
Cisco technologies, VPN, Palo Alto Firewalls, F5 Load Balancers, BlueCoat/Proxies, SDN/SD-WAN, Cloud (AWS, Azure, O365), Unix/Linux, Python, Perl, NetScout, Network security
1mo
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Systems Engineer Intern
Hollywood, Maryland, United States
$17/hr OnsiteInternship
Currently enrolled in an undergraduate or graduate engineering program; strong analytical and communication skills; proficient in Microsoft Office; ability to work independently and in a team.
MATLAB, AutoCAD, SolidWorks, Python, Microsoft Office
2mo
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Customer Success Engineer
Rockville, Maryland, United States
$100k-$120k/yr OnsiteFull Time
3+ YOEBachelor's in CS/IT or related field; 3+ years in technical support/SRE/DevOps; Kubernetes and cloud experience; strong troubleshooting and communications skills.
Kubernetes, AWS, Linux, Go, Python
1mo
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DevOps/MLOps Engineer
Ashburn, Virginia, United States
HybridFull Time
4+ YOEUS citizenship; 4+ years in DevOps/SRE/MLOps; Bachelor's or higher in CS/Engineering/IT; CI/CD (Jenkins, GitLab CI/CD, GitHub Actions); IaC (Terraform, CloudFormation, Ansible); cloud (AWS/Azure/GCP); Docker/Kubernetes; monitoring/logging; security in regulated/federal environments; local to Ashburn, VA.
Jenkins, GitLab CI/CD, GitHub Actions, Terraform, CloudFormation, Ansible, AWS, Azure, GCP, Docker, Kubernetes, Prometheus, Grafana, ELK, MLflow, SageMaker, Python, Go
1mo
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Multi-Discipline Engineer
Centennial or Palm Bay or Colorado Springs or Tucson or Chantilly
$102k-$120k/yr HybridFull Time
BS or MS in Engineering or related field; experience with C/C++, VHDL/Verilog; DSP, embedded systems; TS/SCI clearance; US citizenship required.
C, C++, VHDL, Verilog, Embedded Linux, Python, Shell scripting, Git, PCB design, 3D printing, Machining
3w
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GIS Geodatabase Engineer
Quantico, Virginia, United States
OnsiteFull Time
12+ YOEBachelor’s degree and 12 years of relevant experience; ESRI software familiarity; DoD Cyber Workforce Framework qualification; DBA certification; ESRI Enterprise Geodata Management Professional; senior-level GIS/database expertise.
ESRI ArcGIS, PostgreSQL, SQL Server, Python
3w
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Traffic Engineer I
Arlington, Virginia, United States
OnsiteFull Time
0+ YOEBachelor's degree in Engineering; up to 1 year of industry experience; EIT preferred.
MicroStation, AutoCAD, Python, Synchro, MUTCD, AASHTO, Data Analytics
2mo
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Lead Data Engineer
Windsor Mill, Maryland, United States
$140k-$170k/yr RemoteFull Time
8+ YOE8+ years data engineering experience; leadership in data platforms; Databricks, Delta Lake, PySpark; medallion architecture; CI/CD for data pipelines; Git governance; Agile/Scrum across multiple teams; translate architecture to execution.
Databricks, Delta Lake, PySpark, GitHub, Python, SQL
4w
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Cloud Infrastructure Engineer
Arlington, Virginia, United States
OnsiteFull Time
5+ YOE5+ years in DevOps/SRE/infrastructure; strong AWS experience; Kubernetes; Terraform; CI/CD; scripting; reliability and observability.
AWS, Kubernetes, Terraform, CircleCI, Bash, Python, Go
2mo
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Systems Support Engineer
Washington, District of Columbia, United States
$90k-$140k/yr OnsiteFull Time
5+ YOE5+ years in technical support/engineering; BS in CS/Engineering; strong communications; SQL/MS SQL Server; hardware, software, networking; travel required.
JIRA, Confluence, Splunk, SQL Server Management Studio, Microsoft Server, TCP/IP, PowerShell, Java, Tomcat, MSSQL, C#, C++, Python, HTML, JSON, XML
3w
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Network Security Engineer
Austin or Dulles or Santa Clara
$133k-$197k/yr OnsiteFull Time
6+ YOEBachelor’s degree or equivalent; 6+ years in network security; strong experience with enterprise security technologies.
Palo Alto firewalls, F5 WAF, McAfee CASB, Python, IPSec VPN, DLP, NAC, SIEM, CASB
2mo
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Cloud Migration Engineer
McLean or United States
HybridFull Time
5+ YOEBachelor's in IT/CS; 5+ years cloud migration; OS/virtualization experience; scripting and IaC proficiency; independent and collaborative.
PowerShell, Bash, Python, Terraform, Bicep, ARM Templates, CloudFormation
1w
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Cloud Engineer, Senior
Washington, District of Columbia, United States
$100k-$185k/yr OnsiteFull Time
8+ YOESenior Cloud Engineer with 8+ years in cloud, AWS, DevSecOps, and security governance; Top Secret clearance required.
AWS, Terraform, Docker, Kubernetes, PowerShell, Python, Bash
1w
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Associate Automation Engineer
Hunt Valley, Maryland, United States
$62k-$99k/yr OnsiteFull Time
0+ YOE0-1 years experience; degree in Electrical/Mechanical/Automation/Mechatronics; onsite Hunt Valley, MD; full-time.
Arduino, Raspberry Pi, Arducam, Python, Java, C++, FANUC LR series robots
3d
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GCP Cloud Engineer
Washington or Arlington
OnsiteFull Time
4+ YOE4+ years cloud engineering experience, 2+ years on GCP; IaC with Terraform/Deployment Manager/Ansible; CI/CD tools; Linux, networking, containers; Agile/Scrum; willing to obtain security clearance.
Terraform, Deployment Manager, Ansible, GitLab CI, Jenkins, Cloud Build, Compute Engine, Cloud Functions, VPC, IAM, GKE, BigQuery, Docker, Kubernetes, Linux, Python, Bash, Go
1w
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Senior Security Engineer
Columbia, Maryland, United States
$138k-$184k/yr HybridFull Time
5+ YOE5+ years in a customer-facing technical sales/engineering role with PoV engagements; strong cloud and network security knowledge; vulnerability management; excellent communication.
Nessus, Python, REST/GraphQL, Terraform, AWS, Azure, Google Cloud, Docker, Kubernetes, IAM, AI security concepts
2mo
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Lead Data Engineer
Windsor Mill, Maryland, United States
$140k-$170k/yr RemoteFull Time
8+ YOE2+ Mgmt8+ years data engineering with leadership; Databricks/Delta Lake/PySpark; medallion architecture; CI/CD for data pipelines; Git governance; Agile/Scrum; translate architecture into execution.
Databricks, Delta Lake, PySpark, Python, SQL, GitHub, AWS, CI/CD, Data quality, Data observability
2mo
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Principal Propulsion Engineer, UAS Systems
Arlington or Mountain View or San Diego
$165k-$245k/yr HybridFull Time
10+ YOE10+ years propulsion experience; propulsion integration; turboprop/small turbofan experience; engine performance, installation effects, and mission sizing.
MATLAB, Python, MBSE, Cameo
2mo
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Endictus Corp - Systems Engineer – Junior
Fort Meade, Maryland, United States
$65k-$68k/yr OnsiteFull Time
0+ YOEBachelor’s degree in Computer Science or Engineering (or equivalent); up to 3 years systems engineering/IT support; U.S. citizen and ability to obtain Secret clearance; willing to obtain US passport.
Linux, Python, Bash, Networking, TCP/IP, Docker, VMware, Git
2mo
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Cloud Engineer- Data/AI Focused
Rochester or Charlotte or Nashville or New York City or Washington or Philadelphia or Atlanta
HybridFull Time
1+ YOE1-3 years cloud experience, AWS cert or ability to obtain, SQL and at least one programming language, basic data engineering, familiarity with AWS data services, Git, and IaC concepts.
AWS, Glue, Lambda, Step Functions, EMR, RDS, Aurora, Redshift, DynamoDB, S3, SQL, Python, Java, Git, Terraform, Infrastructure as Code
5d
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Cribl Engineer – Hybrid (Secret Clearance)
Fort Meade, Maryland, United States
$78k-$176k/yr HybridFull Time
3+ YOE3+ years Cribl admin/engineering; data pipelines; Windows/Linux; cybersecurity best practices; active Secret clearance or ability to obtain; HS diploma.
Cribl, Kubernetes, Windows, Linux, PowerShell, Bash, Python, SIEM, STIGs, SCAP
3mo
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SR. SQL DEVELOPER/EDW CONSULTANT
Fairfax, Virginia, United States
$150k-$170k/yr OnsiteFull Time
8+ YOESecret clearance required; U.S. citizenship; 2+ years cloud (AWS/Azure); 8+ years SQL Server (T-SQL); 5+ years SSIS; 5+ years SQL Server 2016; Bachelor's in IT/CS; BI experience preferred.
SSIS, SSRS, PowerBI, Visual Studio, Python, Git, Azure DevOps Server, SQL Server
1w
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Lead Consultant Data Engineer
Arlington or United States
HybridFull Time
6+ YOELead data engineering initiatives; design, build, and optimize scalable data solutions; mentor engineers; collaborate with stakeholders.
Databricks, SQL, Python, PySpark, Azure Data Factory, Azure Synapse, Azure Storage, HDInsight, Parquet, Delta Lake, Terraform, Azure DevOps, Git
6d
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SR REACTOR ENGINEER (OPERATIONS)
Atlanta or Naperville or Rockville or King of Prussia or Arlington
$156k-$197k/yr OnsiteFull Time
1+ YOERequires at least 1 year specialized experience in design, operation, inspection of nuclear plant components; knowledge of NRC regulations; ability to manage complex engineering projects.
Python, MATLAB, Simulations, Machine Learning, Digital Twins
1w
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Principal Integration & Test Engineer
Chantilly, Virginia, United States
OnsiteFull Time
9+ YOEBachelor's in EE/CE/CS or related field; 9+ years in embedded systems integration and test; strong hardware/software debugging; experience with avionics or aerospace hardware.
C/C++, Python, FPGA, Lab instrumentation
1w
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Senior Systems Engineer #339
Washington, District of Columbia, United States
$103k-$174k/yr OnsiteFull Time
5+ YOEFive to eight years of relevant work experience; Secret security clearance; experience with storage, LAN/WAN/SAN, databases, troubleshooting, and Splunk; on-call rotation.
Splunk, Red Hat Enterprise Linux (RHEL), Ansible, Python, JavaScript, REST APIs, LAN/WAN, SAN
1w
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Senior IT Security Engineer
Linthicum or Phoenix or Denver or Tampa or Cicero
$92k-$110k/yr RemoteFull Time
7+ YOESeven years IT security experience with CISSP/CISM, cloud and network expertise, and security tooling.
Firewalls, SIEM, PAM, ZTN, IdP, IAM, CSPM, DLP, CIEM, DevSecOps, SSDLC, AWS, Azure, data lakes, data warehouses, IaC, PowerShell, Python, Go, Shell
1mo
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AI/ML Engineer Internship
Annapolis, Maryland, United States
$28/hr HybridTemporary
US citizenship; ability to obtain security clearance; Maryland resident or Maryland college student; pursuing Bachelor's/Master's in CS/CE/DS/AI; 400+ hours during internship window; proficiency in AI/ML tools and programming; experience with Linux/Windows; Agile/Lean experience.
Python, C#, JavaScript, .NET, Node, AngularJS, scikit-learn, PyTorch, TensorFlow, SciPy, MATLAB
2mo
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Senior Software Systems Engineer
Falls Church, Virginia, United States
$155k-$185k/yr OnsiteFull Time
9+ YOEActive Top Secret clearance; system design, integration, validation; Agile/CI/CD; IC experience; leadership; 9+ BS/7+ MS/4+ PhD.
Jenkins, Git, MBSE, Python, C++
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
51% show pay
Companies appearing in this market
Sargent & LundyBlue Sky InnovatorsBreakthru Beverage GroupJabilNiyam ITRELI GroupRune TechnologiesSeneca Holdings
Work location mix in visible results
Onsite: 30Hybrid: 17Remote: 4