19 software engineer 5 jobs at 14 companies in Harrington, DE
2mo
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Software Engineer
Aberdeen Proving Ground, Maryland, United States
$130k-$170k/yr OnsiteFull Time
5+ YOEMinimum 5 years software/systems engineering experience, proficiency in C++, Python or Java, Secret clearance, familiarity with systems engineering, IPTs, and test events; Bachelor’s in CS/Software Engineering preferred (experience may substitute).
C++, Python, Java, Kubernetes, NGTS, SIMDIS, TAK, AIDP, AFATDS, MEPED, JSDR, EWC2, EWPMT-X
1mo
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Software Engineer
Annapolis or Maryland
$132k-$180k/yr OnsiteFull Time
5+ YOEBachelor's in engineering and 5+ years software integration and Linux (RHEL8) experience, US citizenship, eligibility for DoD Top Secret clearance, proficiency with MATLAB and modern languages (Python,C++,Java).
MATLAB, Python, C++, Java, RHEL8
3mo
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Software Engineer
Baltimore or Annapolis
HybridFull Time
5+ YOE5+ years enterprise software development; BS in Computer Science or related field; backend languages Java/C/C++/Rust/Python; experience with scalable systems; strong documentation; cryptography or cloud knowledge preferred.
Java, C/C++, Rust, Python, Cryptol, Haskell, Docker, Kubernetes, AWS, Azure
4w
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Software Engineer (Engineer Software 3) - 29586
Aberdeen Proving Ground or United States
$97k-$104k/yr HybridFull Time
5+ YOE5+ years experience (Bachelors) developing C++ simulation software; ability to obtain TS/SCI clearance; experience with agent-based modeling, space domain concepts, and code review practices.
Confluence, Discourse, GitLab, Jira, C++, Python
3mo
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Software Applications Engineer
Aberdeen Proving Ground, Maryland, United States
$115k-$130k/yr HybridFull Time
5+ YOEDoD Secret clearance; BS in computer science or related field; 5+ years in software applications engineering; strong .NET/C#, MudBlazor, HTML/CSS/JavaScript; API development; Azure/DevOps; security+; hybrid role near Aberdeen Proving Ground, MD.
C#, .NET, MudBlazor, HTML, CSS, JavaScript, OpenXml, ASP.NET Core, Entity Framework Core, SQL, Azure, DevOps, OpenID Connect, OAuth 2.0, Microsoft Entra ID
4w
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Senior Software Developer (Metric/Telemetry
Aberdeen, Maryland, United States
$104k-$181k/yr OnsiteFull Time
5+ YOEUS citizen with active Secret clearance, bachelor's in CS or engineering with 5+ years software experience (or 8 years experience), proficiency in multiple programming languages, observability/telemetry, and troubleshooting mission-critical systems.
Python, C++, Java, C#, Go, Prometheus, Grafana, ELK, Opensearch, OpenTelemetry, Docker, Kubernetes
3w
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Software Engineer
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
5+ YOE5+ years professional software development experience; design, develop, test, and maintain software; collaborate on hardware-software interfaces; active Secret clearance and ability to obtain TS-SCI.
2mo
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Principal Software Engineer, Field Engineering
Aberdeen Proving Ground, Maryland, United States
$160k-$220k/yr OnsiteFull Time
5+ YOE5+ years hands-on software engineering; active Secret clearance; backend Go/Java/Rust; DevSecOps; Kubernetes; Bash/Python; Army-domain knowledge; customer-facing; Security+ readiness; willing to relocate to APG.
Go, Java, Rust, Kubernetes, Helm, CI/CD, Infrastructure as Code, Bash, Python, RMF
1mo
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Principal Software Engineer - ARINCDirect Core Platform (Onsite)
Annapolis, Maryland, United States
$118k-$225k/yr OnsiteFull Time
8+ YOE8+ years software engineering experience (or advanced degree with 5+ years), authorized to work in the U.S. without sponsorship, strong backend and full-stack skills in Python, JavaScript, Angular, PostgreSQL, API and distributed systems design, CI/CD and observability experience.
Python, JavaScript, Angular, PostgreSQL, AWS, Cloudflare, Vercel, Netlify, Grafana, ELK, Docker, Kubernetes, Helm, Istio, OpenTelemetry, OpenAPI
4w
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Senior Software Developer (Data Fabric/ Data Fusion)
Aberdeen, Maryland, United States
$104k-$181k/yr OnsiteFull Time
5+ YOEUS citizen with active Secret clearance; Bachelor's in CS/Engineering with 5 years' software experience (or 8 years' experience); expertise designing data fabric/fusion, multi-language development, and mission-critical troubleshooting.
Python, C++, Java, C#, Go, Docker, Kubernetes, Kafka, REST, gRPC, CI/CD
3mo
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Cloud Software Engineer (TS/SCI with Poly required, Hybrid Remote)
Columbia, Maryland, United States
$180k-$250k/yr HybridFull Time
5+ YOE5+ years of software/Cloud engineering; TS/SCI with Poly; experience in AWS/Azure/GCP; IaC (CDK or Terraform); Python, Typescript; containerization (Docker, Kubernetes); network and security skills; strong communication.
AWS, Azure, Google Cloud, Oracle, Terraform, CDK, Python, Typescript, Lambda, EC2, S3, RDS, DynamoDB, IAM, VPC, Networking, OpenSearch, CloudWatch, Docker, Kubernetes, EKS, ECS, CI/CD
1w
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Principal or Senior Principal Embedded Software Engineer
Annapolis, Maryland, United States
$109k-$204k/yr OnsiteFull Time
5+ YOEBachelor's degree in a STEM field and 5+ years of embedded software experience, or equivalent advanced-degree experience. Requires C++, Python, Linux or Windows, technical leadership, microelectronics programming, U.S. citizenship, and TS/SCI eligibility.
C++, Python, Linux, Microsoft Windows, Jira, Confluence, Bitbucket, JavaScript, Qt, CUDA, ArrayFire, Docker, Kubernetes
2mo
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Senior Software Engineer - ARINCDirect Mobile (Onsite)
Annapolis, Maryland, United States
$96k-$182k/yr OnsiteFull Time
5+ YOE5+ years professional iOS/mobile development with Swift and Objective-C; proficiency with Xcode, Core Data, RESTful APIs; strong troubleshooting and collaboration skills; Python experience recommended.
Swift, Objective-C, Python, Xcode, Core Data, Django, Atlassian Suite, Gitlab, RESTful APIs
1w
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Principal or Senior Principal Embedded Software Engineer (TS/SCI)
Annapolis, Maryland, United States
$109k-$204k/yr OnsiteFull Time
5+ YOEBachelor's degree in a STEM discipline and 5+ years of embedded software experience, or equivalent advanced-degree experience. Requires C++, Python, embedded real-time systems, Linux or Windows, technical leadership, and active TS/SCI clearance.
C++, Linux, Python, Microsoft Windows, Atlassian, Jira, Confluence, Bitbucket, JavaScript, Qt, CUDA, ArrayFire, Docker, Kubernetes
1mo
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Hardware & Software Integrator (Marine Engineer) - New Jersey
Oceanport or Camden or Cape May or Colts Neck or Fort Dix or Lakehurst or Morristown or Mount Arlington
$98k-$163k/yr HybridFull Time
5+ YOEActive DoW Secret clearance, U.S. citizenship, Bachelor's in Engineering/Computer Science (or equivalent experience), 5+ years relevant experience, AEGIS/BL10 experience preferred, SIPR access, intermediate Microsoft Excel and advanced Microsoft Access.
Microsoft Excel, Microsoft Access, AEGIS, AMDR, SIPR
5d
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Test and Evaluation Engineer III
Aberdeen Proving Ground, Maryland, United States
$120k-$160k/yr OnsiteFull Time
5+ YOEEngineering bachelor's degree with 7+ years or master's degree with 5+ years of DoD testing experience; requires DoD Secret clearance and experience developing and executing complex hardware and software test programs.
Jira, MAPS, DAPS, DME
6d
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AI/ML Internship - Fall 2026 (Engineering Intern 5) - 29898
Aberdeen Proving Ground or United States
$55k/yr HybridPart Time, Internship
Bachelor's degree and active master's enrollment with over 50% of required credits completed; interest in space operations, technical writing, problem-solving, and learning programming languages. Git, GitLab, JFrog Artifactory, Jira, and Confluence preferred.
Git, GitLab, JFrog Artifactory, Jira, Confluence, Advanced Framework for Simulation, Integration and Modeling (AFSIM), C++, AFscript
6d
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AI/ML Internship - Fall 2026 (Engineering Intern 5) - 29895
Aberdeen Proving Ground or United States
$55k/yr RemotePart Time, Internship
Bachelor's degree and active master's enrollment with over 50% of required credits completed; interest in space operations, technical writing, scripting, and learning new programming languages. Git and simulation knowledge preferred.
Git, GitLab, JFrog Artifactory, Jira, Confluence, Advanced Framework for Simulation, Integration and Modeling (AFSIM), C++, AFscript
1w
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Senior Commissioning Technician - Building Automation Systems
Baltimore or Annapolis or Maryland or United States
$78k-$134k/yr FieldFull Time
5+ YOERequires 5+ years installing or maintaining Building Automation Systems, valid driver's license, U.S. work authorization, physical ability to work around mechanical equipment, and associate or bachelor's degree preferred.
HVAC, building controls, building automation, programming, direct digital control, Apogee, Desigo, Modbus, Tridium, Niagara, Alerton, LonWorks, BACnet, DDC, BAU, BMS, building management, system integration, hand tools, laptop, email, smartphone, tablet