10+ YOEU.S. person with Top Secret/SCI polygraph clearance, 10+ years' relevant experience, Bachelor’s or Master’s in a STEM field, Security+ CE (DoDD 8140), 5+ years API gateway experience, proficiency with Java/Python/C#, cloud (AWS/Azure/GCP), Docker/Kubernetes.
Java, Python, C#, AWS, Azure, Google Cloud Platform, Docker, Kubernetes, Istio, Linkerd, MuleSoft, Apigee, Broadcom API, ServiceNow, Windows, Linux
BDR Solutions: Provider of IT, engineering, and consulting for federal agencies.
Deep Kong (Enterprise/Konnect) experience, API migration and CI/CD integration skills, federal delivery and documentation experience, active IRS Minimum Background Investigation and U.S. citizenship required.
Kong Enterprise, Kong Konnect, GitOps, CI/CD, DevSecOps
API Developer/Data Engineer Managing Consultant-Fraud/AI
McLean or New York City or Arlington or United States
$130k-$216k/yrHybridFull Time
Guidehouse: Provides management and technology consulting services to diverse organizations.
5+ YOEUS citizen able to obtain Public Trust,5+ years in data engineering/integration, proficiency in Python, Java/JS, .NET (C#), RESTful APIs, XML, SQL/SQL Server, GCP, data formats (JSON, Parquet), and experience leading technical teams.
SME Systems Engineer- API Gateway & Cloud Architecture
Sterling, Virginia, United States
$180k-$230k/yrOnsiteFull Time
Synergy ECP: Provides cybersecurity and systems engineering for defense agencies.
16+ YOEBachelor's in STEM, 16+ years' experience, DoD 8140/Security+ CE, 5+ years API Gateway experience (Broadcom preferred), expertise with Windows and cloud-hosted COTS, Java/Python/C#, AWS/Azure/GCP, Docker, Kubernetes, Agile, cloud architecture, troubleshooting, and system testing. TS/SCI w/ Poly required; U.S. citizenship required.
API Gateway, Broadcom API Gateway, MuleSoft, Apigee, Istio, Linkerd, ServiceNow, Docker, Kubernetes, Java, Python, C#, Windows, AWS, Microsoft Azure, Google Cloud, Message queues, Streaming platforms, ETL, COTS, MBSE
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
15+ YOE15+ years experience in full stack Java development, experience with ArangoDB, JIRA, Spring Boot, Mongo, AWS, JavaScript/TypeScript, Angular, REST; TS/SCI with polygraph required; BA/BS or equivalent.
Principal Systems Engineer (API Gateway) - TS/SCI w CI Poly
Sterling, Virginia, United States
OnsiteFull Time
Modern Government Solutions: Provider of technical and programmatic services for government agencies.
16+ YOEBachelor's degree and 16+ years designing enterprise systems, cloud architectures, and API solutions, including 5+ years with API gateways. Requires active TS/SCI with CI Polygraph and Security+ CE.
REST, GraphQL, AWS, Microsoft Azure, Java, Python, C#, Broadcom API Gateway, MuleSoft, Apigee, Istio, Linkerd, Google Cloud Platform (GCP), Oracle Cloud Infrastructure (OCI), IBM Cloud, ServiceNow, Windows
SME Systems Engineer - API (TS/SCI w/ CI Poly required)
Sterling, Virginia, United States
OnsiteFull Time
A&M Technologies: Provides technical and management services for federal IT infrastructure.
10+ YOEActive TS/SCI with CI poly, Security+ CE or higher, 10+ years relevant experience, STEM degree, API gateway expertise (5+ years), Java/Python/C# proficiency, cloud and containerization experience.
API gateway, Broadcom API, AWS, Azure, Google Cloud Platform, Docker, Kubernetes, Java, Python, C#, MuleSoft, Apigee, Istio, Linkerd, ServiceNow
Lead Software Engineer, Back End (Python, GO, API, AWS) (Cloud Operations Resilience Engineering)
McLean, Virginia, United States
$197k-$225k/yrOnsiteFull Time
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
4+ YOEBachelor's degree and 4+ years software engineering experience; cloud (AWS/Azure/GCP), Python or Go, API and distributed microservices experience; strong communication and mentoring skills.
Python, Go, API, AWS, Microsoft Azure, Google Cloud, Open Source RDBMS, NoSQL
Range: AI-powered platform for wealth management and financial planning.
5+ YOE5–9 years in growth engineering or CRO-focused web development; strong JavaScript and SQL; experience with React; CRO experience and A/B testing; API/webhook integrations in a GTM stack; familiarity with GA4, Segment or RudderStack, server-side GTM.
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
7+ YOEActive TS/SCI with polygraph; 7+ years engineering/development experience; programming and virtual infrastructure experience (Debian, Python, SQL, Linux, ProxMox, Docker, Rancher, Kubernetes); API and cross-domain/CICD experience; A&A support; ability to evaluate emerging technologies including AI.
CACINYSE: CACI: Provides information technology and professional services to government clients.
7+ YOE7+ years in engineering/development, TS/SCI with polygraph, multiple programming languages, API development for cross-domain solutions, CI/CD, and experience with on-prem/cloud deployments.
Winona or Sergeant Bluff or Maricopa or Hagerstown or Burlington or New Knoxville
$85k-$115k/yrRemoteFull Time
Schurz Communications: Broadband, cloud services, and digital media provider.
5+ YOE5+ years with BSS/OSS in telecom, experience with CRM, billing, provisioning, scripting (Python, Bash, SQL), REST APIs, data flows/ETL, IP networking fundamentals, strong troubleshooting and cross-functional communication.
Winona or Sergeant Bluff or Maricopa or Hagerstown or Burlington or New Knoxville
$85k-$115k/yrRemoteFull Time
Schurz Communications: Family-owned provider of broadband, cloud, and IT services.
5+ YOE5+ years with BSS/OSS in telecom/ISP, hands-on CRM, billing and BI platforms, scripting in Python/Bash/SQL, REST API integration, IP networking fundamentals, strong troubleshooting and communication, bachelor’s degree or equivalent.
Principal Systems Engineer - Digital Engineering & Advanced Tools
Reston, Virginia, United States
HybridFull Time
SES Space & DefenseEuronext Paris: SESG: Provides satellite communications and managed network services for governments.
10+ YOE10+ years systems engineering experience designing cloud-native, API-driven, data and automation solutions for commercial, government, or defense environments.
AWS, Microsoft Azure, Google Cloud Platform, RESTful APIs, DevSecOps, CI/CD, containerization, orchestration, Model-Based Systems Engineering (MBSE), RPA
RedwireNYSE: RDW: Manufactures infrastructure and hardware components for diverse space missions.
1+ YOEU.S. citizen eligible for DoD Secret clearance, 1+ years backend/systems engineering experience, proficiency in Python/C++/Rust, experience with agentic systems, graph data modeling, real‑time pipelines, API design, and secure operations.
Arlington or Washington or Pentagon or Springfield or Chantilly or Tysons Corner
$105k-$200k/yrOnsiteFull Time
Technomics: Provides cost analysis and decision support services for government.
8+ YOE8+ years in cloud architecture or AI/ML infrastructure, strong Azure experience, knowledge of RAG, embeddings, vector DBs, model APIs, containerized deployments, security and governance for regulated clouds.
Microsoft Azure, Azure GCC High, RAG, embeddings, vector databases, model APIs, containers, APIs
ManTech: Provides technology solutions for defense and intelligence agencies.
4+ YOEBachelor’s degree, 4+ years in SharePoint engineering, administration, or development, PowerShell, C#, .NET, JavaScript, SQL Server, Microsoft Graph API, Windows infrastructure, DoD certification compliance, and active TS/SCI clearance.
Microsoft SharePoint, PowerShell, C#, .NET, JavaScript, SQL Server, Microsoft Graph API, Microsoft 365, Windows, Agile, DevOps, Sentris Protected SharePoint, Sentris Enterprise Engineer Training
3+ YOEActive TS/SCI clearance; US citizen; 3+ years in sales-engineering; 3+ years technical writing; strong SAR/RADAR knowledge; ability to translate requirements into technical solutions.
ArcPro, Socet GXP, Python, APIs, Cloud-native architectures, Pandas, NumPy, Jupyter Notebooks, Tableau, Power BI
Probity: Provides IT, cybersecurity, and engineering services to government agencies.
7+ YOEActive TS/SCI clearance with polygraph; 7+ years in engineering and development; multiple programming languages; API development for cross-domain solutions; CI/CD; experience with SYSTRAN and mission networks; travel to CONUS.