117 principal security engineer jobs at 45 companies in Atkinson, NH
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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
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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
1mo
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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
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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)
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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
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Principal Security Engineer
Johnston or Dallas or Irving or Plano or Franklin or Iselin or Boston or Providence
$140k-$180k/yr OnsiteFull Time
10+ YOE10+ years security experience across domains, BA/BS in IT security or computer science, knowledge of IAM, DLP, vulnerability management, pen testing, cloud security, scripting (Python, PowerShell), Active Directory, strong written/verbal communication and risk-based decision-making.
Python, PowerShell, Active Directory, Linux, Windows, OWASP, DLP, Anti-Virus, Firewall, Generative AI
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Principal Cyber Security Engineer, Strategy and Architecture
Carlsbad or Reston or Marlborough or Tempe or San Jose or New York City
$230k-$363k/yr HybridFull Time
10+ YOEBachelor's or Master's in a technical field, 10+ years in security/systems/network engineering, strong risk analysis and secure system design experience, hands-on with enterprise security tools, US citizenship, up to 20% travel.
firewalls, IDS/IPS, PKI, SIEM/SOAR, EDR/NDR, CSPM/CNAPP, zero-trust, NIST, ISO 27001, GDPR, CCPA
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RF Engineer Principal
Hudson or Phoenix
OnsiteFull Time
7+ YOEBS in Electrical Engineering; 7 years in high reliability aerospace/defense; technical leadership; RF/microwave testing; RF simulations; travel ~10%; active security clearance.
Microwave Office, AWR, ADS, HFSS, MATLAB
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Staff / Principal Software Engineer, Infrastructure Security
Stockholm or London or Boston or New York City or San Francisco
OnsiteFull Time
8+ YOE8+ years in infrastructure or cloud security, including 3+ at staff or principal level; expertise in GCP, AWS, Cloudflare, Kubernetes, Terraform, and security practices; Go, Python, or Rust programming.
Google Cloud Platform (GCP), Amazon Web Services (AWS), Cloudflare, Kubernetes, Terraform, Wiz, GitHub Actions, SLSA, sigstore, SBOMs, Go, Python, Rust, React, TypeScript, Grafana, OpenTelemetry (OTEL), ClickHouse, Firestore, Spanner, BigQuery
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Principal Security Operations Engineer
Atlanta or Boston or San Francisco or Scottsdale or Seattle
$169k-$311k/yr OnsiteFull Time
10+ YOE10+ years in security, platform, infrastructure, or SRE roles; expert Kubernetes; AWS/Azure; software and automation skills; CI/CD, container security, infrastructure-as-code, incident leadership, observability, and US citizenship.
Kubernetes, AWS, Azure, Go, Python, ECR, ACR, Terraform, Helm, GitOps, PKI, CI/CD, RBAC
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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
3mo
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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
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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
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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
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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
2w
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Principal Engineer, VaiDA Mobile Experience
Boston, Massachusetts, United States
$167k-$250k/yr HybridFull Time
Bachelor's degree in computer science, software engineering, or related field, or equivalent experience; professional mobile application development, native iOS and Android, APIs, secure development, testing, debugging, and release management experience required.
Microsoft Intune, iOS, Android
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Principal Optics Engineer
Billerica, Massachusetts, United States
$146k-$187k/yr HybridFull Time
8+ YOEU.S. citizen with Bachelor’s in engineering (master/PhD preferred); 8+ years engineering experience with ≥6 years in optics; experience with motion-tracking AR integration, SDLC knowledge, strong communication and organizational skills; eligible for security clearance.
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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.
2mo
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Principal Systems Engineer
Merrimack, New Hampshire, United States
OnsiteFull Time
7+ YOERequires systems engineering experience including requirements management (DOORS), system-level design, modeling & simulation, verification/validation, test planning, cost estimating, and mentoring; Master\u0002s+7yrs or Bachelor\u0002s+9yrs and eligible for security clearance.
DOORS, Microsoft Office, Microsoft Excel, Microsoft Projects, MATLAB, Visio, CAMEO Enterprise Architecture
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