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Principal Engineer, Security
Boston, Massachusetts, United States
$244k-$366k/yr OnsiteFull Time
10+ YOE10+ years infrastructure/platform security experience; deep cloud security (AWS/GCP IAM, mTLS), secrets management, IaC and CI/CD controls, vulnerability and SLO-driven remediation, threat modeling, and experience with compliance frameworks.
AWS, GCP, mTLS, IaC, CI/CD, SOC 2, ISO 27001, GDPR, AI
1mo
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Principal Systems Security Engineer (Cyber) - P4 (Onsite)
Tewksbury or Marlborough or Woburn
$108k-$205k/yr OnsiteFull Time
8+ YOEBachelor's in STEM with ~8 years' relevant experience, active transferable Secret clearance and U.S. citizenship required, experience in system/cyber security engineering and NIST RMF.
NIST Risk Management Framework (RMF), Splunk, Python, Bash, Red Hat Enterprise Linux, Microsoft Windows, Cisco, SIEM, HIDS, NIDS, Multi-Factor Authentication (MFA), DoDI 8570.01-M
2mo
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Principal Security Engineer - AI
Boston, Massachusetts, United States
HybridFull Time
Seven AI: Provides autonomous AI agents for enterprise security operations.
15+ YOE15+ years in cybersecurity; experience in SOC/Blue Team, detection engineering, threat hunting, incident response; SOAR; Python; customer-facing; cloud and networking.
Python, SOAR, Security Automation
3w
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Principal Cloud Security Engineer (23618)
Waltham, Massachusetts, United States
$123k-$187k/yr OnsiteFull Time
8+ YOE8+ years cloud engineering experience; strong cloud security knowledge; hands-on with AWS/GCP, Linux hardening, security monitoring, IaC, scripting, and incident response.
AWS, GCP, Terraform, CloudFormation, Python, Ansible, PowerShell, SELinux, FIPS, Splunk, Chronicle, CrowdStrike, Kubernetes
3w
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Principal Security Engineer
Johnston, Rhode Island, United States
$142k-$186k/yr OnsiteFull Time
Expert HashiCorp Vault experience, knowledge of AWS/Azure, Terraform, Git, Jenkins, Kubernetes/Docker, Linux/Windows, IAM or InfoSec background; bachelor’s in CS or equivalent experience preferred.
HashiCorp Vault, AWS, Azure, Git, Terraform, Jenkins, DataDog, Splunk, Jira, Confluence, Trello, Kubernetes, Docker, Linux, Windows Server
2mo
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Principal Security Engineer
Cambridge or United States
$132k-$238k/yr HybridFull Time
8+ YOE8+ years relevant experience, Bachelor's or equivalent in Computer Science/Security, deep application/infrastructure/cloud-native security expertise, AI/ML security experience, experience defining security architecture and threat models, proficiency in Python or Go, compliance experience.
Python, Go, Kubernetes
2mo
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Principal Engineer - Security Products, Security Visibility
Boston or Seattle
$235k-$294k/yr HybridFull Time
10+ YOE10+ years software engineering experience with 4+ years in audit logging, security telemetry or high-throughput data pipelines; expert in Go and gRPC; experience with Apache Flink/Kafka, Kubernetes, Terraform, SQL/MySQL, SIEM integrations and compliance frameworks.
Go, gRPC, Apache Flink, Apache Kafka, Splunk, Datadog, Chronicle, Microsoft Sentinel, OpenTelemetry, OCSF (Open Cybersecurity Schema Framework), Kubernetes, Terraform, SQL (MySQL)
5d
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Software Principal Engineer
Hopkinton, Massachusetts, United States
$168k-$231k/yr OnsiteFull Time
10+ YOE10+ years managing enterprise-scale DevOps tools and CI/CD pipelines with GitHub Actions, self-hosted runners, GitHub Enterprise Server administration, security and secrets management, container orchestration, and automation; bachelor's/master's preferred.
GitHub, GitHub Actions, GitHub Enterprise Server, OKTA, S3, Docker, Kubernetes, JavaScript, Linux, Windows, macOS
2mo
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Principal Med Device Security Engineer
Danvers or Raritan
$102k-$177k/yr HybridFull Time
8+ years information security; 5+ years embedded system/medical device cybersecurity; Bachelor’s degree; threat modelling; regulatory security submissions; cloud security; SBOMs; post-market support.
QNX, Yocto, Linux, Ubuntu, Alpine, AWS, Azure, SBOM, PKI, HSM, TPM, RTOS, NIST 800-53, FIPS 140-3, IEC 62443, QOS, Cloud Security, Threat Modelling
1mo
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Principal Cloud Kubernetes Engineer
Boston, Massachusetts, United States
$140k-$206k/yr OnsiteFull Time
12+ YOE12+ years infrastructure/cloud/platform engineering experience, 7+ years Kubernetes in production, expertise in multi-cloud (AWS/Azure/GCP), GitOps, Terraform, Go/Python, platform architecture, security and observability.
Kubernetes, EKS, AKS, GKE, Rancher, Spectro Cloud Palette, Cilium, Calico, eBPF, Infrastructure as Code, GitOps, Argo CD, Flux, Fleet, Terraform, Helm, Kubernetes Operators, Prometheus, Grafana, OpenTelemetry, Loki, Kyverno, OPA/Gatekeeper, Portworx, CSI drivers, OpenEBS, Crossplane, Backstage, Istio, Linkerd, Consul, Go, Python, OIDC, SAML, LDAP, SBOM
2mo
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Principal Network/ Systems Engineer
Bedford or Carson or Smyrna or Columbus or Fort Lee
OnsiteFull Time
12+ YOESenior IT infrastructure engineer with DoD/federal experience; strong network and systems integration, security tooling, and IaC.
Configuration Management, Patch Management, Asset Management, Enterprise Software License Compliance, Network and Systems, Security, Automation
2mo
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System Engineer Support Principal (FPGA experience)
Bedford or United States
$170k-$192k/yr OnsiteFull Time
Full-time FPGA/system engineering role requiring TS/SAP clearance, US citizenship, BS in electronic/electrical engineering, FPGA/Verilog/VHDL, secure background.
Verilog, VHDL, FPGA, Xilinx Vivado, Microsemi Libero, Modelsim, Questa, PCIe, SERDES, LVDS, MATLAB, Simulink, UVM
2mo
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Principal Software Engineer
Bethesda or Waltham
$164k-$257k/yr HybridFull Time
8+ YOE8+ years software engineering; production-grade APIs; GraphQL; Node.js; TypeScript; Go; OAuth2/JWT; security; scalable SaaS APIs.
GraphQL, Node.js, TypeScript, Go, Jenkins, ArgoCD, Datadog, OAuth 2.0, JWT
1mo
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Cyber Security Engineer - Information Systems Security Engineer (ISSE) - Senior Principal
Dayton or Bedford
OnsiteFull Time
18+ YOE18+ years cybersecurity/IT experience; knowledge of DoD/NIST/JSIG/STIG guidance; CISSP/CCSP/AWS certs preferred; bachelor’s required (master’s preferred); active Top Secret/SCI clearance and U.S. citizenship required.
DoD 8500.1-M, DoDM 5205.07, NIST Special Publication 800-53, Joint SAP Implementation Guide (JSIG), DISA Security Technical Implementation Guide (STIG), AWS, COMSEC
1mo
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Cyber Security Engineer - Information Systems Security Engineer (ISSE) - Senior Principal
Wright-Patterson AFB or Bedford
OnsiteFull Time
18+ YOE18+ years cybersecurity experience; knowledge of DoD/NIST/JSIG/ICD guidance; active Top Secret/SCI clearance; bachelor's degree in related field (master's preferred); CISSP/CCSP/AWS certs preferred; US citizenship required.
DoD 8500.1-M, DoDM 5205.07, Joint SAP Implementation Guide (JSIG), NIST Special Publication 800-53, Intelligence Community Directive (ICD) 503, DISA Security Technical Implementation Guide (STIG), COMSEC, AWS
1mo
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Principal Security Architect, Cloud & Infrastructure
Cambridge or Budapest or Chennai or Seattle or Tokyo or Zagreb
OnsiteFull Time
7+ YOE7+ years security experience with hands-on application/product security architecture, threat modeling, secure SDLC, API/mobile security, experience influencing engineering teams, and working knowledge of AI/LLM security.
OWASP, LLM
1mo
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Principal Project Engineer
Braintree, Massachusetts, United States
$146k-$183k/yr OnsiteFull Time
12+ YOEBachelor's or Master's in Engineering (or equivalent experience), 12+ years engineering experience, technical leadership of 5–10 people, proficiency with Microsoft Office and Microsoft Project, EVMS and Earned Value experience, eligible for U.S. security clearance; 10–20% travel.
Microsoft Office Suite, Microsoft Project, Earned Value Management System (EVMS)
2w
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Principal Optical Engineer
Cambridge, Massachusetts, United States
$95k-$245k/yr OnsiteFull Time
10+ YOEDesign and test optical and photonic systems; 10+ years optical engineering experience; bachelor\u0002s required, masters/PhD preferred; strong electronics and embedded firmware proficiency; US security clearance required.
1w
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Principal Cloud Developer
Andover or Houston or Durham or Fort Collins or Roseville
$152k-$349k/yr HybridFull Time
10+ YOEBachelor's degree in CS/engineering,10+ years experience,expertise in software design,programming (Python,Java,Golang,JavaScript),cloud security and architecture,mentoring and technical leadership.
Python, Java, Golang, JavaScript
1w
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Principal Cloud Developer
Andover or Houston or Durham or Fort Collins or Roseville
$152k-$349k/yr HybridFull Time
10+ YOEBachelor's degree in CS/engineering/IS,10+ years experience,proficiency in Python/Java/Golang/JavaScript,cloud security and systems design expertise,strong communication and mentoring skills.
Python, Java, Golang, JavaScript
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