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Python Developer Iii Jobs in Mount Airy, MD, US
54 python developer iii jobs from 35 companies hiring in Mount Airy, MD, US.
3w
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Software Engineer III (Python)
Washington, District of Columbia, United States
$165k-$180k/yr OnsiteFull Time
Proficient in Python with hands-on AWS, GitLab CI/CD, containerized apps, Terraform/CloudFormation; IaC with security; cloud infrastructure automation; English fluency; onsite in Washington DC; visa sponsorship not provided.
Python, GitLab, AWS, Terraform, CloudFormation, Wiz, ECS, EKS, EC2, S3, CloudTrail, CloudWatch, CloudFront, VPC
2mo
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Software Engineer III
Annapolis Junction, Maryland, United States
OnsiteContract
9+ YOESoftware engineer with Linux, Python, Rust basics, NoSQL (MongoDB), containers (Docker/Kubernetes), CI/CD, IaC (Ansible), Git, and TS/SCI clearance.
Linux, Bash, Python, Rust, MongoDB, Docker, Kubernetes, Helm, RabbitMQ, GitLab CI, Ansible, Git, Jira, Confluence, Java, Eclipse, J2EE
1mo
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Database Engineer III
Hanover, Maryland, United States
HybridFull Time
Required: TS/SCI clearance with polygraph; Python; MongoDB or MariaDB; Django or Flask; REST endpoints; Microservices. Desired: Swagger; AWS/C2S; Docker; VS Code; JSON/XML; Jira; Confluence; Git; Agile.
Python, MongoDB, MariaDB, Django, Flask, REST, Microservices, Swagger, AWS, Docker, Visual Studio Code, JSON, XML, Jira, Confluence, Git, Agile
3w
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Cleared Software Developer III
Reston, Virginia, United States
$121k-$189k/yr HybridFull Time
7+ YOETop Secret/SCI with Polygraph clearance; Bachelor's in CS or equivalent; 7+ years of software development experience; strong Python skills; Linux experience; AWS; React/Angular; REST/FastAPI; Docker/Kubernetes; CI/CD tooling; U.S. citizenship.
Python, Linux, AWS, React, Angular, REST, FastAPI, Node.js, Docker, Kubernetes, GitLab CI/CD, Conda, Terraform, MongoDB, Elasticsearch/OpenSearch, TypeScript, CDK, Streamlit, Vue, Jenkins, GitHub, NoSQL
1mo
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Data Engineer III
Columbia, Maryland, United States
$113k-$128k/yr RemoteFull Time
8+ YOEPublic trust clearance required; 8+ years data engineering/software development; 4+ years in Python/Java/cloud data pipelines; BS in CS/IS/Engineering or 10 years IT alternative; strong data architecture and governance skills; English proficiency.
Spark, Hadoop, MySQL, PostgreSQL, Apache Airflow, AWS Redshift, RDS, EMR, EC2, Spark-Streaming, Storm, Scala, Java, Python, GitHub, Jira, Confluence
2w
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Senior Software Engineer III (Government)
Columbia, Maryland, United States
$89k-$208k/yr OnsiteFull Time
8+ YOEBachelor's degree; 8 years experience; .NET, Java, Python, C# skills; TS/SCI clearance.
.NET, ASP.NET, C#, Java, Python, Oracle
2w
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Engineer III - Flight Dynamics Systems Development
Reston, Virginia, United States
HybridFull Time
5+ YOEBachelor’s degree in Aerospace Engineering, Computer Science, or related field; 5+ years in aerospace or satellite ground systems; active Secret security clearance or ability to obtain; strong communication and analytical skills.
Java, JavaScript, Python, Shell scripting
2mo
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Data Engineer III
Washington, District of Columbia, United States
$120k-$130k/yr RemoteFull Time
5+ YOEBachelor’s degree and 5+ years experience; proficient with data ingestion systems, cloud databases, and visualization; strong Python/Spark; data modeling, ETL, and distributed computing; mentor junior engineers.
Python, Apache Spark, ETL, Data Modeling, AWS, Databricks, SAS
2mo
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Data Engineer III
Washington, District of Columbia, United States
$120k-$130k/yr RemoteFull Time
5+ YOEBachelor's degree and 5+ years experience; proficient with data ingestion systems, cloud databases, visualization; data modeling, ETL, distributed computing; strong Python/Spark; experience with data warehouses.
Python, Apache Spark, ETL, SQL, AWS, Databricks
2w
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Sr. Software Engineer III (6519)
Tysons Corner, Virginia, United States
$165k-$211k/yr OnsiteFull Time
10+ YOEActive Secret clearance; bachelor’s degree in CS/IT/Engineering or equivalent; 10+ years IT experience; 8+ years full-stack in AWS; AWS IL6+ experience; multiple languages: Go, Python, Java, JavaScript; strong security and AI/ML skills.
AWS, Go, Python, Java, JavaScript, React, AngularJS, TypeScript, NextJS
4d
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Web Application Developer III
Chantilly, Virginia, United States
$91k-$142k/yr HybridFull Time
8+ YOEActive TS clearance with SCI eligibility; degree with years experience; SAFe; web app security; REST APIs; Angular/React; JS/TS; US Citizenship; onsite weekly Reston.
Angular, React, JavaScript, TypeScript, HTML5, CSS3, .NET (C#), Python, Node.js, MySQL, PostgreSQL, Microsoft SQL Server, Bootstrap, REST APIs, SAFe, AWS GovCloud, Docker, Kubernetes, RabbitMQ, Redis, CI/CD, Web accessibility, Security best practices
2mo
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DevOps Software Engineer III
Annapolis Junction, Maryland, United States
OnsiteFull Time
5+ YOEDevOps-focused engineering, Linux, scripting, CI/CD, containerization, automation, and infrastructure sustainment with TS/SCI security clearance.
Linux, GitLab CI, Docker, Kubernetes, Ansible, Prometheus, Grafana, Shell, Bash, Python, Git
3w
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Software Engineer III/IV
Hunt Valley, Maryland, United States
$111k-$210k/yr OnsiteFull Time
5+ YOEBachelor’s degree in Computer Science or Computer Engineering, 5+ years (Level III) or 10+ years (Level IV) of experience; U.S. Secret clearance eligibility; strong software engineering practices; leadership and communication skills.
C#, C++, Java, Python, Embedded systems, GPUs, FPGA, Spectrum analyzers, Oscilloscopes
1w
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Full Stack Engineer III
Washington, District of Columbia, United States
$125k-$135k/yr HybridFull Time
5+ YOE5+ years web app development; mentorship; backend in PHP/Python/Node; MySQL; JavaScript with Vue/React/Angular; production web app experience; US work authorization.
PHP, Python, Node.js, MySQL, Vue, React, Angular, JavaScript
2mo
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AI Engineer III - Blue Ring
Kent or Renton or Reston
$165k-$231k/yr OnsiteFull Time
5+ YOE5+ years software development in AI/ML; Python; PyTorch or TensorFlow; multi-agent systems; RAG pipelines; time-series ML; AWS; Docker/Kubernetes; CI/CD.
Python, PyTorch, TensorFlow, AWS, Docker, Kubernetes, CI/CD, Vector databases, LLMs, RAG pipelines
2w
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Software Engineer - Level III
Aberdeen Proving Grounds, Maryland, United States
$108k-$162k/yr OnsiteFull Time
5+ YOESecurity clearance required; US citizenship; multiple education paths with experience; strong web development skills.
HTML, CSS, JavaScript, Python, PHP, SQL, Photoshop, Dreamweaver
2w
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Systems Engineer III, Datacenter Operations
Ashburn, Virginia, United States
OnsiteFull Time
7+ YOEOversee data center hardware deployments, firmware management, monitoring, and lifecycle; 7+ years in enterprise data centers; strong server/network hardware knowledge; on-site in Ashburn, VA; able to lift up to 50 lbs.
Linux, Prometheus, Grafana, DCIM, SSH, Python, Go, Dell hardware, HP hardware, Cisco, Arista
2w
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ZenPoint Solutions LLC - Cloud Engineer III (Senior) - U.S. Citizenship Required
Washington, District of Columbia, United States
OnsiteFull Time
7+ YOE7+ years cloud engineering experience; active Top Secret clearance; U.S. citizenship; hands-on IaC (Terraform/CloudFormation); Azure Government; Kubernetes; Docker; Python/Bash/PowerShell; 5 days onsite in Washington, DC.
Terraform, CloudFormation, Azure Government, AWS, Kubernetes, Docker, Python, Bash, PowerShell
4d
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Mechanical Engineer III
Chantilly, Virginia, United States
$102k-$131k/yr OnsiteFull Time
3+ YOEBachelor's degree in mechanical engineering; minimum 3 years' relevant experience; SolidWorks; prototyping; PDM; security clearance required; US citizenship required.
SolidWorks, ANSYS, Python, MATLAB, PDM
1mo
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Research Scientist III
Columbia or United States
$90k-$123k/yr HybridFull Time
8+ YOEPhD or Masters with relevant experience; strong data science, GIS, Python/R; experience with large spatial/temporal data; risk analysis and model development; proficient communicator and collaborator.
Python, R, GitHub, Pandas, ArcGIS, QGIS, ArcGIS Pro, ArcGIS Online, AWS
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
1mo
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Systems Engineer III
Alexandria, Virginia, United States
OnsiteFull Time
6+ YOESix years in systems engineering with cloud, IaC, CI/CD; TS/SCI with CI poly; DoD 8570 IAT II and Microsoft certification.
AWS, Azure, Google Cloud, Terraform, Ansible, Kubernetes, Docker Swarm, GitLab CI, Bash, PowerShell, Python
2w
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Systems Engineer III, Datacenter Operations
Ashburn, Virginia, United States
OnsiteFull Time
7+ YOEExperience in data center operations, hardware deployment, troubleshooting, monitoring, and firmware updates; familiarity with Dell/HP/Cisco/Arista hardware; Linux; scripting (Python/Go); DCIM; observability (Prometheus, Grafana).
Prometheus, Grafana, DCIM, SSH, Linux, Python, Go, Dell hardware, HP hardware, Cisco networking, Arista networking
3w
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Computational Materials Engineer II-III
Rockville, Maryland, United States
$96k-$160k/yr OnsiteFull Time
5+ YOEFive years in engineering; BS in materials or related field; MS/PhD may substitute; experience with nonmetallic materials; Python programming; materials modeling/FEA experience.
Python, Ansys, Abaqus, Finite Element Analysis
4d
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Embedded Firmware Engineer
Carson City or Webster or Harbor City or Platform or Jessup or Clinton or Newark or Longmont
$79k-$150k/yr OnsiteFull Time
2+ YOEBS or MS in Electrical Engineering or related robotics field; 2+ years Level I, 5+ Level II, 8+ Level III firmware/embedded software; C++, Python; RTOS; hardware bring-up; ITAR compliance.
C++, Python, C, VHDL, Verilog, Linux, RTOS, ROS, Git, EtherCAT, SPI, CAN, I2C, UART, RS-232
2mo
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CSES III - Tools Engineer
Springfield, Virginia, United States
$87k-$182k/yr OnsiteFull Time
5+ YOEBachelor’s degree and 5+ years in network security; DoD IAT II and infrastructure certifications; TS/SCI clearance with polygraph; experience with firewalls, IDS, routers/switches, and scripting.
Firewalls, Routers and Switches, Intrusion Detection Systems, Unix, Windows, VMware, Python, F5 Load Balancer, Palo Alto, Juniper, Cisco, IDS
1w
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Cloud Engineer
Arlington, Virginia, United States
$87k-$198k/yr OnsiteFull Time
4+ YOE4+ years of experience developing and deploying modern cloud native architecture; experience with containerized apps; IaC (Terraform/CloudFormation); CI/CD tools; automation with Python/Bash/PowerShell; secret clearance; bachelor’s degree; ability to obtain DoD 8570 IAT Level II/III within 30 days of hire
Terraform, CloudFormation, Jenkins, GitLab, GitHub, Python, Bash, PowerShell
3w
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Space M&S Engineer (Level II, III, IV)
Chantilly, Virginia, United States
OnsiteFull Time
3+ YOE3+ years in aerospace modeling/simulation; TS/SCI w/ Poly; BS or MS in relevant field; Python (NumPy, SciPy, pandas, matplotlib); sensor phenomenology knowledge; strong communication.
Python, MATLAB, NumPy, SciPy, pandas, matplotlib, MS Office
1mo
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Senior SOAR Engineer
Oakton, Virginia, United States
OnsiteFull Time
8+ YOEBachelor’s degree in IT or Cyber Security; 8+ years cybersecurity with 5+ years in SOAR; TS/SCI poly; IAT III; platform-specific SOAR certs; strong Python and REST skills.
Python, REST APIs, JSON, YAML, Git, CI/CD, AWS, Azure, GCP, XSOAR, Splunk SOAR, IBM SOAR, Microsoft Sentinel, PowerShell, Bash, Windows, Linux, MacOS
1w
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Cloud Engineer
Arlington, Virginia, United States
$87k-$198k/yr HybridFull Time
4+ YOE4+ years in cloud native architecture; containerized apps; IaC (Terraform/CloudFormation); CI/CD tools (Jenkins/GitLab/GitHub); scripting (Python/Bash/PowerShell); DoD Secret clearance; Bachelor's degree; ability to obtain DoD 8570 IAT Level II/III within 30 days of hire.
Terraform, CloudFormation, Jenkins, GitLab, GitHub, Python, Bash, PowerShell, AWS
2mo
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Linux Engineer, Senior
Bethesda, Maryland, United States
$140k-$190k/yr OnsiteFull Time
8+ YOEActive DoD Top Secret clearance; 8+ years Linux system administration; 3+ years Ansible Platform experience; Python/Bash scripting; STIG/NIST 800-53; Associate degree or higher; IAT III, Security+ CE; RHCE or RHSA preferred; OpenShift/Kubernetes/Docker experience; Git/GitLab; cloud familiarity.
Red Hat Ansible Automation Platform, Ansible, OpenShift, Kubernetes, Docker, Python, Bash, RHEL, STIGs, NIST 800-53, ACAS, Git, GitLab, ServiceNow, Automation Controller, RBAC
1w
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Database Engineer IV
Quantico or Washington
$112k-$179k/yr OnsiteFull Time
8+ YOEBachelor’s in a relevant field with 8+ years (or Master’s with 6+ years); active TS/SCI or SCI eligibility with poly; Security+ or DoD 8570 IAT II/III; strong SQL, cloud, and data analytics; Apache/Hadoop; visualization tools Tableau/PowerBI/Kibana; programming in Python/R/C++/SQL.
SQL, Cloud platforms, Apache, Hadoop, SAS, Tableau, PowerBI, Kibana, Grafana, Python, R, C++
1mo
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Graphic Processing Unit (GPU) Engineer - TS/SCI
Bethesda, Maryland, United States
OnsiteFull Time
10+ YOE10+ years in systems engineering with GPU architecture and Linux integration; TS/SCI clearance; DoD 8570.11 IAT Level II/III certifications or equivalent; strong Python/BASH scripting; CUDA/OpenCL; experience with Linux GPUs.
CUDA, OpenCL, Linux, Python, BASH, Ansible, Puppet, Salt, Terraform
2w
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GPU Systems Engineer 4
Bethesda, Maryland, United States
OnsiteFull Time
10+ YOEActive TS/SCI with CI Polygraph; 10+ years in field; experience with NVIDIA GPU data center platforms; strong Linux and DoD 8570.11 IAT II/III; U.S. citizenship required.
Bash, Python, Ansible, Puppet, Salt, Linux, RHEL, Ubuntu, Oracle Linux, Rocky Linux
2w
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SME III Data Scientist
Arlington, Virginia, United States
$200k-$262k/yr OnsiteFull Time
15+ YOEFifteen years of data science experience with Python/SQL, ML model development/deployment, and LLM familiarity; extensive statistics, data visualization, and full project lifecycle management.
Python, SQL, Machine Learning, Data Visualization, Tableau
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
1mo
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Senior Splunk Cyber Security Engineer
Chantilly, Virginia, United States
OnsiteFull Time
5+ YOESenior level Splunk expertise in cybersecurity, with TS/SCI w/ Poly clearance; 5+ years in cyber security; 3+ years with Splunk Enterprise Security; interoperability across Unix/Linux/Windows; DoD 8570 IAT Level II or III certification.
Splunk, Splunk Enterprise Security, Unix, Linux, Windows, Bash, Python, Java, Cribl, CIM, ITSI, Architect, Consultant, ICD 503, Knowlege Object Management, Deployment Server
5d
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Consumer Product Strategy Analyst II/III – Analytics & Model Development
Charlotte or Hunt Valley or Las Vegas or Utica
$82k-$126k/yr HybridFull Time
1+ YOE1+ years SQL, Tableau; Python; advanced Excel; strong communication; multi-project handling; data analysis and reporting.
SQL, Tableau, Python, Excel, Alteryx, SAS, SSMS, Oracle, Hadoop, Teradata
HiringCafe market data
Python Developer Iii Jobs market signals in Mount Airy, MD, 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
54
Hiring companies
35
Fresh sample
56% new in 30d
Salary visibility
61% show pay
Companies appearing in this market
Blue OriginProSync Technology GroupBooz Allen HamiltonNoblisTextronAd HocAT&TCACI
Work location mix in visible results
Onsite: 38Hybrid: 12Remote: 4