13 software security engineer jobs at 7 companies in Keene, NH
2mo
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Software Engineer II
Westford, Massachusetts, United States
$69k-$131k/yr OnsiteFull Time
2+ YOERequires 2+ years relevant experience, degree in STEM, Linux C++ and/or Java development experience, ability to obtain/maintain U.S. government security clearance (U.S. citizenship required).
C++, Java, Linux, PKI
1mo
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Principal Software Engineer, Contact Center Digital Engagement Services
Durham or Merrimack or Westlake
OnsiteFull Time
10+ YOERequires 10+ years software engineering, 5+ years Java and Spring Boot, complex backend architecture, real-time communications, cloud-native systems, AI tools, secure engineering, mentoring, and a master's degree or equivalent experience.
Asterisk, FreeSWITCH, Kamailio, WebRTC, SIP, RTP, Matrix, Rocket.Chat, GitHub Copilot, Claude Code, OpenAI Codex, Java, Spring Boot, WebSockets, Server-Sent Events, CI/CD, Microsoft?
1mo
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Entry Level Software Engineer
Hudson or Nashua or Merrimack
OnsiteFull Time
Bachelor's in CS/CE or related, proficiency in C/C++/Java/Python, working knowledge of OS and version control, eligible for US DoD security clearance.
C, C++, Java, Python, Windows, UNIX/Linux, Git, Bitbucket
2w
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Senior Software Engineer - Space Applications - Sign-on Bonus
Merrimack, New Hampshire, United States
$97k-$165k/yr OnsiteFull Time
4+ YOEBachelor's degree in computer science or related field, 4+ years of software development, Java or C++, active TS/SCI clearance, CI polygraph, Security+ certification, and source control experience.
Java, Linux, Git, Bitbucket, Jenkins, Maven, Bamboo, Jira, Confluence, C++
6d
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Senior Software Engineer - Space Applications - Sign-on Bonus
Merrimack, New Hampshire, United States
$97k-$165k/yr OnsiteFull Time
4+ YOEBachelor's degree in computer science or related field, 4+ years of software development, Java or C++, source control and automation pipeline experience, TS/SCI clearance, CI polygraph, and Security+ certification.
Java, C++, Linux, git, Bitbucket, Jenkins, Maven, Bamboo, Jira, Confluence
2mo
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Principal Software Engineer, Contact Center Digital Engagement Services
Durham or Merrimack or Westlake
OnsiteFull Time
10+ YOE10+ years engineering experience, 5+ years with Java and Spring Boot, experience designing backend architecture, real-time communication tech, cloud-native microservices, secure engineering, and mentoring; Master’s degree preferred or equivalent experience.
Java, Spring Boot, Asterisk, FreeSWITCH, Kamailio, WebRTC, SIP, RTP, Matrix, Rocket.Chat, IVR, WebSockets, Server-Sent Events, CI/CD, GitHub Copilot, Claude Code, OpenAI Codex
2mo
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Intermediate Level Software Engineer - Nashua, New Hampshire, United States
Nashua, New Hampshire, United States
$90k-$110k/yr HybridFull Time
2+ YOEBachelor's degree in computer science or related field; 2+ years software development; US citizen; ability to obtain security clearance; skills in C#, JavaScript/TypeScript, .NET; Azure DevOps, Jira; web frameworks (HTML/CSS/React)
Azure DevOps, Jira, C#, JavaScript, TypeScript, .NET, HTML, CSS, React, AngularJS, Blazor
1mo
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Senior Engineer, MES Development
Devens, Massachusetts, United States
$120k-$145k/yr OnsiteFull Time
Experience in application development, secure coding, software design and architecture, test code review, requirements gathering, and agile engineering practices.
1mo
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Software Engineering Intern I, Summer 2027
Nashua or Hudson or Manchester or Merrimack
$42k-$58k/yr OnsiteFull Time
Undergraduate student completing freshman year prior to summer 2027; programming experience in C/C++/Java/Python; eligible for US DoD security clearance; familiarity with Windows/Linux and Microsoft Office.
C, C++, Java, Python, Microsoft Excel, Microsoft PowerPoint, Microsoft Word, Windows, Linux, Git, x86, PowerPC, Agile
1mo
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Software Engineering Intern III, Summer 2027
Nashua or Hudson or Manchester or Merrimack
OnsiteFull Time
Currently enrolled in CS/CE or related undergraduate program completing junior year, programming experience in C/C++/Java/Python, Microsoft Office proficiency, eligible for US DoD security clearance, strong communication and self-motivation.
C, C++, Java, Python, Microsoft Excel, Microsoft PowerPoint, Microsoft Word, Git, Windows, Linux
1mo
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Systems Engineer
Merrimack or Westlake or Smithfield
$35-$60/hr OnsiteFull Time
Experience building developer platforms, internal tooling, IDE integration, Windows/macOS deployment, secure high-availability distributed systems, cloud (AWS/Azure/Google Cloud), CI/CD and DevOps practices; strong debugging and collaboration skills.
VS Code, GitHub Copilot, Gemini Code Assist, AWS, Azure, Google Cloud, Kubernetes
6d
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Enterprise Applications Developer (Remote/Hybrid/In Office/Flexible)
Claremont or Alabama or Delaware or Florida or Georgia or Iowa or Kansas or Mississippi or North Carolina or New Hampshire or South Carolina or Texas or Vermont
RemoteFull Time
3+ YOERequires 3+ years developing and supporting enterprise applications, expertise with .NET, SQL Server, Azure, AI applications, source control, CI/CD, DevOps, software architecture, and security practices.
Microsoft .NET, C#, ASP.NET Core, REST APIs, SQL Server, Microsoft Azure, GitHub Enterprise, GitHub Actions, Azure DevOps, Microsoft Power Platform, Power Apps, Power Automate, Dataverse, Microsoft Fabric, Power BI, Azure AI Services, Azure OpenAI, Copilot Studio, Semantic Kernel, Retrieval-Augmented Generation (RAG), Microsoft .NET, GitHub
1d
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Sr. Engineering Product Manager - Cisco Secure Client (Endpoint Security) REMOTE
United States or San Jose or Boxborough or New York or Washington
$195k-$286k/yr RemoteFull Time
5+ YOERequires 5+ years in software engineering, cybersecurity, cloud, IT, or product management; desktop/mobile software and customer engagement experience; and a bachelor's, master's, or PhD with related experience.