1mo
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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
4w
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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
4d
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Consultant, Cryptography Security Architect
Round Rock or Hopkinton
$177k-$229k/yr OnsiteFull Time
7+ YOE7+ years operating large-scale HSM/CA/key management infrastructure, expertise in HSMs, PKI, PQC readiness, cryptographic standards, program leadership, and vendor management.
KMIP, PKCS#11, EST, ACME, HSM
2w
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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.
2w
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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
1w
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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
1d
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Senior Product Security Engineer - Audio Tech
Framingham, Massachusetts, United States
$124k-$170k/yr OnsiteFull Time
6+ YOE6+ years firmware/security experience, Bachelor's in Computer Science or equivalent, strong C/C++ and Linux embedded experience, cryptography and secure boot/firmware protection expertise, ARM TrustZone and certificate/key management knowledge.
ARM TrustZone, Linux, C, C++, X.509, JWK, HSMs, EU CRA, ETSI EN 303 645, NIST, ISO 27001, IEC 62443
4d
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Information Systems Security Manager (ISSM)
Hanscom Air Force Base, Massachusetts, United States
$176k-$195k/yr OnsiteFull Time
5+ YOETop Secret clearance and US citizenship required. Bachelor\u0002s degree, 5+ years cybersecurity/IA experience, CISSP/CISM/GSLC/CCISO certification, RMF/authorization experience, vulnerability analysis, cryptography, and strong communications.
RMF, DIACAP, FISMA, NIST, OMB, Air Force Information Technology Investment Portfolio Suite (ITIPS)
1w
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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)
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
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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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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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
1mo
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Sales Engineer I
Boston or San Diego or North America
$105k-$132k/yr RemoteFull Time
5+ YOE5 years experience; university degree or equivalent; CompTIA Network+ or A+ accepted; ability to assess security posture, configure OS (Windows/Mac/Linux), network connectivity, VMs, and support MDR/EDR solutions; CRM experience.
MDR, Endpoint, Encryption, MFA, ECOS, LiveSense, EDR, CRM, Virtual Machine, Windows, Mac, Linux
1mo
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Senior Cybersecurity Systems Software Engineer
Colorado Springs or Durham or Spring or Fort Collins or Andover
$162k-$371k/yr HybridFull Time
10+ YOEBachelor's or Master's in CS/Engineering/Information Systems; 10+ years in cybersecurity engineering, architecture, and software development; expertise in cybersecurity standards, solutions, and compliance; strong communication and leadership skills.
NIST SP 800-53, DISA SRG/STIG, Common Criteria, Post-Quantum Cryptography (PQC), EU Cyber Resilience Act (EU CRA), 802.1 ar Device Identities, cybersecurity Agentic AI, FIPS, TLS/SSH, Cryptography
1mo
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Senior Cybersecurity Systems Software Engineer
Colorado Springs or Durham or Spring or Fort Collins or Andover
$170k-$323k/yr HybridFull Time
10+ YOEBachelor’s degree in CS/Engineering/Info Systems, 10+ years cybersecurity engineering and software development, experience with security architectures, standards and certifications, strong communication and executive influence skills.
Post-Quantum Cryptography (PQC), EU Cyber Resilience Act (EU CRA), 802.1AR Device Identities, NIST SP 800-53, DISA SRG/STIG, Common Criteria, Agentic AI, FIPS, TLS, SSH, Cryptography