3w
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Cryptography Engineer, Vice President
Quincy or Boston
$120k-$203k/yr OnsiteFull Time
7+ YOE7+ years in cybersecurity/cryptography with 5+ years operating enterprise PKI; expertise with PKI, certificate lifecycle, key management, HSMs, cloud integrations (Azure/AWS), and certificate automation; preferred CISSP/CCSP/GIAC/Security+.
PKI, X.509, ACME, EST, SCEP, KeyFactor, DigiCert, Microsoft ADCS, Venafi, Sectigo, HSM, Azure, AWS, CI/CD, NIST, PCI-DSS, FFIEC
3w
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Staff Software Engineer, Cryptography
Boston or Costa Mesa or Seattle
$220k-$292k/yr OnsiteFull Time
10+ YOE10+ years software engineering with deep cryptography and systems security; expertise in hardware security (TPM/TEE/HSM), proficiency in C++/Rust/Go, threat modeling, and eligibility for U.S. Secret clearance.
C++, Rust, Go, TPM, TEE, HSM, secure boot, Linux, SELinux, AppArmor, Nix, Lattice OS
2w
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Senior Software Engineer
Raleigh or Lowell
$119k-$196k/yr HybridFull Time
5+ YOE5+ years software engineering experience; Java or Rust; Linux development; PKI, cryptography, and security knowledge; experience with AI agents; strong English communication.
Java, Rust, Linux, Dogtag PKI, Python, Bash, Scrum, JIRA, OpenShift, AWS, Microsoft Azure, Fedora, RHEL, Kubernetes, CI/CD
2mo
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Principal Architect - Money and Payments R&D
Boston or San Francisco or Dallas
$179k-$268k/yr OnsiteAll Commitments Available
Senior Architect for money and payments R&D; expertise in distributed systems, smart contracts, cryptography, AI in payments, Kubernetes, DevOps, and AI-first engineering.
Solidity, EVM, Kubernetes, Terraform, Pulumi, ArgoCD, Flux, GitOps, Jaeger, Tempo, Prometheus, Grafana, GitHub Copilot
1w
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Senior Security Architect
Cambridge, Massachusetts, United States
$180k-$325k/yr HybridFull Time
Extensive security architect experience with product and ML security, cryptography, vulnerability research, executive advisory, and applied security R&D; CISSP preferred; advanced degree preferred.
1w
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Lead Blockchain Engineer
Jersey City or Tampa or Coppell or Boston or Texas
$75k-$150k/yr HybridFull Time
5+ YOE5+ years software engineering experience, 3+ years Rust, 2+ years smart-contract experience; strong blockchain security, CI/CD, automated testing, and cryptography knowledge.
Rust, Soroban, Stellar, Solana, Playwright, Selenium, Cypress, Postman, CI/CD
1mo
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Director, Architecture - Digital Assets
Boston, Massachusetts, United States
$198k-$208k/yr OnsiteFull Time
4+ YOEBachelor's +6 years or Master's +4 years in computer science/engineering/IT/physics with expertise in quantum-safe security, cryptography, post-quantum methods, cloud/network security, and systems architecture.
Crypto-Detector, pqcscan, CrypTool, IBM Quantum Safe Explorer, DieHard suite, TOGAF, Zachman, UML, Microsoft Visio Professional, Sparx Enterprise Architect, Java, C/C++, SAML, OAuth, RBAC, ABAC, GitHub, GitLab, Artifactory, Jenkins, Kubernetes, REST, openssl, Bouncy Castle, Splunk, IDQ Quantis, Thorlabs, Swabian Instruments, Aurea Twin-Photon Source, Zurich Instruments Arbitrary Waveform Generator, OTDR
1mo
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Senior Systems Engineer
Dedham, Massachusetts, United States
$165k-$174k/yr OnsiteFull Time
8+ YOEBachelor's in systems engineering or related field, 8+ years experience (or Master's + 6 years). Must be able to obtain DoD Secret clearance, experience with cryptography, writing specs/test plans, and Agile preferred.
Agile, Interoperability Test Bed (ITB)
1mo
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Senior Software Engineer
Somerville or Washington
$160k-$190k/yr HybridFull Time
5+ YOEBachelor's in CS/Math/Engineering/Science, 5+ years full-stack/backend experience, cloud microservices, cryptography, Istio, FastAPI, Docker, Helm, SQL/NoSQL, CI/CD, automated testing, strong communication.
Istio, FastAPI, Docker, Helm, OAuth2, IETF RFCs, SQL, NoSQL
4d
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Senior Manager, Application Security
Irving or Chicago or Boston
$113k-$210k/yr OnsiteFull Time
10+ YOE10+ years experience in software security, BS/MS in CS, hands-on software development, CI/CD and application testing (SAST/DAST/IAST), vulnerability management, OWASP/CWE knowledge, cloud and cryptography expertise.
CI/CD, SAST, DAST, MAST, RAST, IAST, OWASP Top 10, WAF
5d
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Senior Manager - Blockchain Security & Digital Asset Infrastructure
New York or Charlotte or Chicago or St. Louis or Boston
$150k-$344k/yr HybridFull Time
8+ YOEBachelor's in a technical field and 8+ years in cybersecurity, systems engineering, blockchain security or cryptographic research; hands-on custody and key-management experience; expertise in blockchain protocols, cryptography, incident response, and AI-enabled threat analysis.
Multi-Party Computation (MPC), Hardware Security Modules (HSMs), Bitcoin, Ethereum, Lightning Network, EVM, SHA-256, Keccak, ECDSA, Schnorr, Linux, Large Language Models (LLMs)
3d
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Senior Manager, Application Security
Irving or Chicago or Boston
$113k-$210k/yr HybridFull Time
10+ YOEBS/MS in CS or similar,10+ years experience,software development and CI/CD experience,SAST/DAST/MAST/RAST/IAST and vulnerability management,OWASP/CWE knowledge,cloud and auth expertise,threat modeling and cryptography.
SAST, DAST, MAST, RAST, IAST, OWASP Top 10, CWE 25, WAF
2mo
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FPGA Engineer (MA, Boston)
Boston, Massachusetts, United States
OnsiteFull Time
EndoSec: Security software and cryptographic hardware for government and defense.
Experience with RTL, HDL, C/C++, Python; VHDL/Verilog; hardware security; IP core development; FPGA toolchains; Xilinx/Intel devices; simulation and verification; system integration; embedded software testing; cryptography; cocotb/pyuvm.
RTL, VHDL, Verilog, Python, C, C++, Tcl, Vivado, GHDL, Questa, Quartus Prime, Zynq, Versal, Stratix, Agilex, AXI, ACE, Avalon, IP core, Xilinx, FPGA verification tools, cocotb, pyuvm
1mo
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Sr. Software Engineer
Newton, Massachusetts, United States
$125k-$187k/yr OnsiteFull Time
2+ YOEMaster's in CS/SE +2 yrs or Bachelor's +4 yrs; 2+ years experience with Python, C/C++, Qt QML, Linux, OpenGL/GLSL, ffmpeg, HDF5, json, and ROS; Git, Agile, and security/cryptography knowledge.
Python, C/C++, Qt QML, Linux, OpenGL, GLSL, ffmpeg, HDF5, json, Robot Operating System (ROS), Git
1mo
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SoC Security Architect
Santa Clara or Austin or Boston
$203k-$348k/yr OnsiteFull Time
Experienced systems architect for SoC security design, threat modeling, vulnerability assessment, cryptography, secure boot/TEE, standards participation, cross-functional leadership, and strong technical writing. BS/MS in relevant engineering/CS field preferred.
Linux, Windows
1mo
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Information Systems Security Manager (ISSM), JM - PR 1394
Hanscom Air Force Base, Massachusetts, United States
$150k-$157k/yr OnsiteFull Time
3+ YOEBA/BS or MA/MS and 3+ years related experience, Top-Secret/SCI clearance required, DoDI 8140 qualifications (ISSM 722 or Vulnerability Analyst 541), RMF/A&A experience, Microsoft proficiency, cryptography knowledge, ability to travel to facility sites.
Microsoft Excel, Microsoft Word, Microsoft Outlook, Air Force Information Technology Investment Portfolio Suite (ITIPS), Risk Management Framework (RMF), DoD Cyber Workforce Framework (DoDI 8140.01)
1mo
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Sr. Prototyping Architect, AGS Security Engineering
Boston or Miami or Arlington or Atlanta or New York or Herndon
$154k-$229k/yr OnsiteFull Time
8+ YOE8+ years in technology domains, 5+ years design/implementation/consulting, 3+ years programming (C++, C#, Java, Python, Golang, PowerShell, Ruby), 3+ years in threat modeling/secure coding/identity/cryptography/system or network security; Bachelor's or equivalent required.
Amazon Bedrock, CI/CD, C++, C#, Containers, Golang, Infrastructure as Code, Java, PowerShell, Python, RAG, Ruby, Serverless
1mo
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Principal Architect
Seattle or Boston
$235k-$294k/yr HybridFull Time
10+ YOE10+ years software engineering experience with 4+ years in Identity/KMS or high-scale distributed systems; expert Go and gRPC; deep knowledge of identity protocols (OIDC, OAuth2, SAML, SCIM), KMS/cryptography, Kubernetes, MySQL, and Terraform; strong technical leadership and communication.
Go, gRPC, Rego, OPA, Kubernetes, MySQL, Terraform, HSM, SPIFFE, SPIRE, HashiCorp Vault, DOKS
2w
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Product & Technical Co-founder (CPTO) - AI Compliance Platform
Boston or United States
RemoteFull Time
Senior technical founder with production LLM/AI experience, full-stack applied LLM and secure multi-tenant SaaS expertise, strong product and leadership experience in regulated verticals.
LLM, RAG, retrieval, deterministic rules engine, observability, SOC 2, tenant isolation, encryption, audit logging, SaaS, foundation models
2mo
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Deployment Specialist
Boston, Massachusetts, United States
RemoteFull Time
Provide on-site and remote professional services, install and maintain Genetec solutions, and support customers in North America; strong troubleshooting, communication, and project liaison skills.
PowerShell, Windows, Active Directory, SQL, IIS, GPO, Networking, SAN, NAS, iSCSI, Encryption, Certificates
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