70 software security engineer jobs at 33 companies in Ephrata, PA
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Software Engineer - Senior (contingent 045)
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
7+ YOESenior software engineer with DoD experience, specializes in biometric systems, secure coding, and Agile/DevSecOps.
Android, CI/CD, DevOps, DevSecOps, Security, Encryption
2mo
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Software Engineer - Senior (contingent 045)
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
Systems Products and Solutions: Provides logistics and technical services to defense agencies.
7+ YOESenior software engineer with DoD biometric systems experience; security clearance required; Agile/DevSecOps; Android apps; cybersecurity.
Android, DevOps, DevSecOps, CI/CD, Security testing, Encryption
1mo
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Senior Software Engineer
Aberdeen, Maryland, United States
$90k-$198k/yr OnsiteFull Time
10+ YOE10+ years software engineering experience in Defense, BA/BS or equivalent experience, proficiency with C++, Java, Python, C#, secure coding and Defense standards, DoD cybersecurity certification preferred.
C++, Java, Python, C#, Git, SVN, CI/CD, automated testing tools
3w
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Software Engineer III - Databricks
Wilmington, Delaware, United States
OnsiteFull Time
3+ YOE3+ years software engineering experience; proficiency in Python (and/or Java); Databricks, cloud ML pipelines, MLOps, CI/CD, and secure engineering practices; strong communication and system design skills.
Databricks, Delta Lake, Unity Catalog, Workflows, Repos, SQL Warehouses, Python, Java, PySpark, Kafka, Terraform, Kubernetes, Oracle, Cassandra, ECS, EMR, Lambda, EC2, SageMaker, CI/CD, ERWIN, TensorFlow, pandas, NumPy
2mo
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Radio Services Software Engineer
Aberdeen Proving Ground, Maryland, United States
$150k-$174k/yr OnsiteFull Time
10+ YOEBachelor's in CS/SE (or equivalent experience), 10+ years software engineering with 3+ years on DoD communications, proficiency in C++, Java, or Python, secure coding and networking protocols knowledge, active DoD Secret clearance.
C++, Java, Python, VENOM, Agile, DevSecOps
3mo
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Software Engineer
Aberdeen, Maryland, United States
$85k-$190k/yr OnsiteFull Time
Open to all levels; Go, APIs, distributed systems, back-end focus; security-aware; must provide code portfolio link.
Go, Docker, PostgreSQL, MySQL, MongoDB, REST, Git
3mo
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Application Security Engineer
Harrisburg, Pennsylvania, United States
OnsiteFull Time
3+ YOEDesigns and implements secure software practices; assesses application security; supports SDLC; proficient in at least one programming language; familiar with OWASP Top 10; experience with security assessments and vendor security.
OWASP, OAUTH, ADFS, PowerShell, Python, Perl, Java, .NET, C#, SIEM, Security
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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AI Security Automation Engineer-Officer
Quincy or Toronto or Princeton or Clifton or Austin or Berwyn or Boston
$70k-$119k/yr HybridFull Time
1+ YOEExperience building production Generative AI/LLM solutions, cloud-native software engineering, RAG and semantic search, and 1+ years professional software/AI experience; strong communication and secure coding practices.
Python, JavaScript, TypeScript, Rust, Go, Bash, PowerShell, LangGraph, Semantic Kernel, CrewAI, AutoGen, LangChain, Spark, Kafka, Delta Lake, Iceberg, Airflow, AWS, Azure, GCP
6d
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AI/ML Software Engineer
Aberdeen, Maryland, United States
$104k-$181k/yr OnsiteFull Time
5+ YOEBachelor's or master's degree and 5+ years of related post-degree experience; Python, Bash, SDLC, Linux, machine learning, software engineering, CI/CD, and U.S. citizenship required. Must obtain security clearance.
Python, Bash, Linux, Kubernetes, Docker, PyTorch, TensorFlow, scikit-learn, CI/CD
1w
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Tech Lead/ Principal Software Engineer
Plymouth Meeting, Pennsylvania, United States
$182k-$200k/yr OnsiteFull Time
8+ YOE2+ MgmtBachelor's degree in a technical field, 8+ years developing enterprise software, and 2+ years leading engineering teams. Requires Azure, .NET/C#, Angular or React, SQL Server, NoSQL, REST APIs, Agile, and secure development experience.
Microsoft Azure, .NET, C#, Angular, React, SQL Server, REST APIs, Claude Code, GitHub Copilot, Cursor, OWASP, Python, Next.js, LLM, MCP
1w
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Cyber Software Engineer Staff
King of Prussia, Pennsylvania, United States
$136k-$252k/yr HybridFull Time
9+ YOEBachelor's degree in a STEM discipline and 9+ years of cybersecurity or systems engineering experience. Requires Linux/Windows security, Ansible, NIST frameworks, vulnerability management, scripting, and eligibility for DoD Secret clearance.
Ansible, NIST SP 800-53, NIST 800-171, Linux, Windows, Kubernetes, OpenShift, ArcSight, SIEM, CI/CD
2mo
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Software Developer I
Aberdeen Proving Ground, Maryland, United States
$95k/yr HybridFull Time
1+ YOEMust have Interim Secret/Top Secret clearance to start, obtain Security+ (IAT-II) within 90 days, 1+ years Java experience (Core Java 1.7+), and familiarity with JDBC/MySQL, JMS/Artemis/ActiveMQ, ESB and XML technologies. Bachelor's typical; 0-2 years experience.
C, C++, Java, Core Java (1.7+), JDBC, MySQL, JMS, Artemis, Apache ActiveMQ, Enterprise Service Bus, XML, XSD, XSLT, XPATH, Object XML mapping, GitLab, Apache Ant, IZPack, PHP, JavaScript, REST, Web Services, SNMP, Apache HTTP server, Windows IIS, LDAP, Active Directory, Wireshark, Java PCAP libraries, VMWare ESX, Microsoft HyperV
1mo
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Software Supply Chain Security Specialist
Malvern or Charlotte or Plano or Dallas
HybridFull Time
3+ YOERequires a bachelor's degree and 3–5+ years in software engineering, application security, DevSecOps, or security engineering, with Python or Java, APIs, automation, cloud-native applications, and security concepts.
Python, Java, Azure OpenAI, OpenAI APIs, LangChain, Semantic Kernel, AutoGen, CrewAI, GitHub Advanced Security (GHAS), Snyk, Wiz, JFrog Xray, Kubernetes, AWS, Azure, GitHub, SAST, SCA, SBOM, CI/CD
1mo
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Backend Software Developer
Wayne, Pennsylvania, United States
HybridFull Time
Experience building backend services and APIs using Ruby/Rails, Python or NodeJS; familiarity with databases, integrations (SFTP/FTP, OAuth2, OIDC), security (TLS, SSH), Linux/Docker, testing and API tools.
Ruby, Ruby on Rails, Python, NodeJS, SFTP, FTP, OAuth2, OIDC, TLS, SSH, Postgresql, Mysql, MariaDB, rSpec, Postman, Linux, Docker, ReactJS, NewRelic, AWS, CI/CD
1mo
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Firmware Software Engineer - Reading, PA
Reading, Pennsylvania, United States
OnsiteFull Time
3+ YOEExperience developing embedded Linux C++ and C# applications, multithreaded real-time systems, peripheral interfaces and communication protocols, Git/Azure DevOps use, QT/QML UI, and implementing device security and OTA updates.
C++, C#, Linux, Git, Azure DevOps, Qt, QML, I2C, SPI, UART, PWM, DMA, ADC, DAC, WiFi, BLE
6d
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Principal Engineer, Software Engineering - eCommerce Applications
Conshohocken or Delaware or New Jersey
$111k-$221k/yr RemoteFull Time
10+ YOEBachelor's degree and 10+ years in software engineering, including 3+ years in a principal, staff, lead, or equivalent role. Requires enterprise eCommerce experience and proficiency with modern architectures, programming, cloud, security, and DevSecOps.
Microservices, RESTful APIs, Java, C#, JavaScript, TypeScript, Python, Azure, AWS, Google Cloud, CI/CD, DevSecOps, Adobe Commerce, Magento, Salesforce Commerce Cloud, SAP Commerce Cloud, Shopify Plus, Adobe Experience Manager, Sitecore, Azure API Management, Okta, Azure AD, Auth0, Kubernetes
1mo
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Full Stack Mid-level Java Software Engineer
Wilmington, Delaware, United States
$64k-$106k/yr OnsiteFull Time
3+ YOEBachelor's degree in CS or related, 3+ years Java-focused software development, experience with Spring Boot, microservices, Azure, Kubernetes, CI/CD, monitoring tools, testing frameworks, and security best practices.
Java, Python, JavaScript, C#, Spring Boot, RESTful, Azure, Kubernetes, CI/CD, Prometheus, Grafana, Datadog, JUnit, Mocha, Terraform, CloudFormation, SQL, NoSQL
2mo
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Information Security Engineer, Senior
Belcamp, Maryland, United States
$78k-$176k/yr OnsiteFull Time
7+ YOE7+ years experience in configuration management, CM plan writing, design reviews, and software change audits; knowledge of DevSecOps and CM tools; TS/SCI clearance; bachelor's degree in a STEM field.
JIRA, puppet, Confluence, Git Hub
4w
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DEXIS Sr. Full Stack Software Engineer, Cloud (Quakertown, PA)
Quakertown, Pennsylvania, United States
$130k-$153k/yr OnsiteFull Time
8+ YOEBachelor's degree in CS/EE/ME or related,8+ years experience,expertise in full-stack web, backend services, cloud-native Azure solutions, databases, security and regulatory compliance for medical imaging.
C#, .NET, Microsoft Azure, Microsoft Azure App Services, Microsoft Azure Functions, Microsoft Azure SQL, Microsoft Azure Blob Storage, Microsoft Azure Key Vault, Docker, SQL Server, PostgreSQL, React, TypeScript, JWT, SSO, OAuth 2.0, RBAC, CI/CD, Terraform, YAML, DICOM, CBCT, API gateways
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