Cryptography Engineer

Cryptography Engineer Jobs

6 jobs found

Today

Senior/Staff Security Engineer

Sandbar New York, NY

New York, NY

Today

$190k - $260k/yr Full time Senior Application Security Audit Logging

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Job Description

Sandbar is hiring a Senior/Staff Security Engineer to own backend security systems that make user privacy real for Stream, working from inside a small backend team on a live production service.

Responsibilities

Design and ship end-to-end encryption for user data, including key management, while keeping search and background processing working on encrypted data
Build confidential-computing infrastructure to isolate and verify sensitive processing, including attestation and reproducible builds
Own identity and secrets across the stack, including short-lived workload credentials, least-privilege service identities, environment isolation, and auditable privileged access
Own supply chain and CI/CD security
Build the detection and response loop with audit logging, alerting, runbooks, and post-incident reviews that drive engineering changes
Drive security for vendors and data handling, including AI provider data agreements, third-party integration and OAuth scope review, plus data retention and deletion
Lead compliance work (for example, SOC 2) from the engineering side, with controls enforced by systems and evidence generated automatically
Contribute a share of the core backend, building product features on the real-time Python services you secure and reviewing team changes with a security focus
Set direction for secure engineering practice through design reviews, threat models, and clear, minimal guidance engineers follow

Requirements

7+ years building and operating backend systems, including meaningful time as the engineer accountable for security on a production service
Strong Python skills and comfort owning a live, real-time service end to end
Hands-on applied cryptography, including envelope encryption, authenticated encryption, key hierarchies, and understanding practical failure modes
Deep cloud security experience on AWS and/or GCP, including IAM, workload identity federation, KMS, secrets management, and audit logging
Experience leading incident response on a production service, from containment through follow-up hardening
Experience with confidential computing or attestation (e.g. Nitro Enclaves, SEV-SNP, TDX, App Attest) strongly preferred
Comfortable with document stores and their access-control models
Ability to make tradeoffs explicitly and ship, understanding differences between controls that gate launch versus controls that can be followed
Precise communication with engineers, founders, auditors, and vendors

Technologies

Python
AWS, GCP
IAM, workload identity federation
KMS, secrets management, audit logging
Nitro Enclaves, SEV-SNP, TDX, App Attest
OAuth

Benefits

Health, vision, and dental benefits
Company-sponsored 401(k)
Unlimited PTO and sick time
Early stage equity

Nice to Have

iOS security primitives (Secure Enclave, Keychain)
Bluetooth LE device security, firmware signing, or secure pairing
Experience with retrieval systems or LLM infrastructure and their data-flow controls
SOC 2 or ISO 27001 audit experience from the engineering side

Location: New York, NY (onsite)
Salary: USD 190,000 - 260,000 per year
Experience: 7+ years

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9d ago

Senior Embedded RUST Software Engineer

General Dynamics Mission Systems, Inc Dedham, MA

Dedham, MA

9d ago

$157k - $170k/yr Full time Senior Cryptography Engineer Cyber Security Engineer

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Job Description

Embedded Software Engineer role focused on mission-critical, NSA-certified cybersecurity devices built on custom in-house hardware.

Responsibilities

Contribute to next-generation cybersecurity and encryption products
Develop embedded software with custom in-house hardware within a cross-functional cybersecurity team
Support development of mission-critical NSA-certified devices for a rapidly growing product line
Work on cutting-edge cybersecurity and high-speed data challenges

Requirements

Bachelor’s degree in Software Engineering (or related STEM field) plus 8+ years relevant experience
OR Master’s degree plus 6+ years relevant experience
Department of Defense SECRET security clearance required at time of hire
U.S. citizenship required
Selected applicants will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information

Preferred Skills and Experience

Real-time multi-threaded embedded software experience, preferably on Linux
Experience supporting long development lifecycles with maintenance and regular technology refresh
Proven track record delivering production-quality Rust software: designing, coding, testing, debugging, and ongoing maintenance
Strong Rust knowledge including ownership, borrowing, lifetimes, error handling, and concurrency models
Experience with systems-level, embedded, backend, networking, or performance-sensitive software using Rust
Ability to develop and maintain automated unit, integration, and/or hardware-in-the-loop test coverage for Rust-based software
Familiarity with the Rust toolchain and ecosystem, including Cargo, crates, dependency management, formatting, linting, and CI/CD integration
Experience troubleshooting complex defects, performing code reviews, and applying sound engineering practices in a collaborative environment
Ability to collaborate across systems, hardware, cybersecurity, test, and program teams to translate technical requirements into robust software solutions
Experience with related languages such as C/C++ and Python and modern practices, especially integrating Rust into established codebases

Nice to Have

Hypervisor technology
Linux
UML
Device drivers

Technologies

Rust
Linux
Cargo
UML
C/C++
Python
CI/CD

Workplace

On-site role in Dedham, MA
Dedham team participation while on-site

Compensation

Salary range: USD 156,965 - 170,000 per year

Benefits

9/80 schedule with every other Friday off work (if desired)
401k matching
Flex time off
Paid parental leave
Healthcare benefits
Health and wellness programs, including on-site gym
Employee resource and social groups
Sign-On Bonus eligible for new hires
More details at gdmissionsystems.com/careers/why-work-for-us/benefits

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11d ago

Advanced Software Engineer for Linux Platforms in Crypto and Cross Domain Solutions

General Dynamics Mission Systems, Inc Scottsdale, AZ

Scottsdale, AZ

11d ago

$124k - $138k/yr Full time Application Security Cloud Cloud Infrastructure

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Job Description

Join a mission-focused team building the next generation of cryptographic products for cross domain solutions. This fully on-site role in Scottsdale, AZ combines hands-on embedded Linux debugging with technical leadership, working alongside cross functional partners to deliver practical capabilities for national security.

Salary: USD 124,397 - 138,003 per year. Experience: 5+ years. Clearance: Department of Defense Secret clearance required at time of hire. Citizenship: U.S. citizenship required.

Responsibilities

You will support the crypto and cross domain solutions group as a member of a cross functional team responsible for designing and developing next generation cryptographic products. The work includes leading the software development process and applying platform skills to deliver reliable outcomes.

Lead the software development process
Apply embedded Linux debugging techniques to troubleshoot and resolve platform issues
Collaborate with a cross functional team on the design and development of next generation cryptographic products

Requirements

Bachelor’s degree in Software Engineering or a related Science, Engineering, Technology or Mathematics field
5+ years of job-related experience, or a Master’s degree plus 3 years of job-related experience
Agile experience preferred
Department of Defense Secret security clearance required at time of hire
Selected applicants will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information
Due to the nature of work performed within facilities, U.S. citizenship is required

Technologies you may work with

Embedded Linux and modern tooling are part of the platform environment, with exposure to areas such as cryptographic and cross domain architectures and secure deployment practices.

embedded Linux
Vitis
Petalinux
Xilinx SoC (Zynq Ultrascale+/Versal), Zynq Ultrascale+, Versal
SW Defined Radio
Satellite applications
Secure Red/Black Separation architecture
Docker, podman
Windriver Linux
AI

Benefits

401k matching
Flex time off
Paid parental leave
Healthcare benefits
Health & wellness programs
Employee resource and social groups

Additional workplace details include a flexible schedule with an every other Friday off option (9/80 schedule). Learn more at gdmissionsystems.com/careers/why-work-for-us/benefits.

What sets you apart

Ability to lead the software development process
Expertise applying technical standards and methodologies to solve challenges in creative ways
Collaborative team mindset with interest in providing technical leadership and developing others
Thorough knowledge of technology trends and willingness to champion new ideas and process improvements
Commitment to ongoing professional development for yourself and others
Ability to identify opportunities to apply AI for continuous improvement and innovation
Embedded Linux debugging expertise
Experience with Vitis/Petalinux/Xilinx SoC (Zynq Ultrascale+/Versal) is a plus
Experience with SW Defined Radio or Satellite applications is a plus
Experience with Secure Red/Black Separation architecture is a plus
Experience with Docker and podman on Linux is a plus
Experience with Windriver Linux is a plus

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11d ago

Software Engineer for Linux Applications in Crypto and Cross Domain Solutions

General Dynamics Mission Systems, Inc Scottsdale, AZ

Scottsdale, AZ

11d ago

$100k - $111k/yr Full time Cross Domain Security Crypto Cross Domain Cryptography Engineer

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Job Description

General Dynamics Mission Systems, Inc. is seeking a Software Engineer for Linux Applications focused on Crypto and Cross Domain solutions. The role supports a cross-functional team designing and developing next generation cryptography, with hands-on work across Linux-based development and related system environments.

Role Overview

In this position, you will contribute to the design and development of next generation cryptography as part of a cross functional team. The work includes Linux application development and may include embedded Linux debugging. You may also support secure separation efforts and opportunities to apply AI for continuous improvement and innovation.

Key Responsibilities

Design and develop next generation cryptography as part of a cross functional team.
Provide technical leadership within the team and support delivery of complex engineering solutions.
Collaborate effectively in a team environment and contribute to team success.
Maintain commitment to professional development for yourself and others.
Identify opportunities to apply AI to support continuous improvement and innovation.

Required Qualifications

Bachelor’s degree in Software Engineering, or a related Science, Engineering, Technology or Mathematics field.
2+ years of job-related experience, or a Master’s degree with 6 months of job-related experience.

Clearance and Citizenship Requirements

Department of Defense Secret security clearance required at time of hire.
Selected applicants will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information.
Due to the nature of work performed within company facilities, U.S. citizenship is required.

Technologies and Tools

Embedded Linux debugging techniques
Vitis
Petalinux
Xilinx SoC (Zynq Ultrascale+/Versal)
SW Defined Radio
Satellite applications
Secure Red/Black Separation architecture
Docker
podman on Linux
Windriver Linux
Agile

Location and Work Model

Fully onsite position
Scottsdale, Arizona campus

Salary

USD 100,219 - 111,180 per year.

Benefits

Flexible schedules with every other Friday off work (9/80 schedule), if desired.
Competitive benefits, including 401k matching, flex time off, paid parental leave, healthcare benefits, health and wellness programs, and employee resource and social groups.

Additional details are available at gdmissionsystems.com/careers/why-work-for-us/benefits.

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13d ago

Staff + Software Security Engineer

Anthropic San Francisco, CA

San Francisco, CA

13d ago

$32k - $485k/yr Full time Application Security Cloud Platforms Container Security

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Job Description

This role focuses on building and operating security foundations used across Anthropic. You will lead end-to-end security services from threat modeling through production adoption, with a focus on authorization, mTLS, and workload identity to reduce vulnerability classes.

Responsibilities

Build critical security foundations, including cryptographic frameworks, mTLS infrastructure, secure serialization, and authorization systems, with designs intended to prevent entire classes of vulnerabilities.
Partner with product, research, infrastructure, and other security teams to ensure frameworks integrate smoothly with lower-layer security controls.
Scope, design, and build security services and libraries end-to-end, maintain them in production, and drive resolution of ambiguous technical problems with minimal oversight.
Build and operate the zero-trust access gateway that fronts Anthropic’s internal services.
Design and roll out authorization frameworks so services enforce least privilege consistently instead of each team implementing access controls independently.
Own cryptographic frameworks and libraries.
Mentor engineers, contribute to hiring, and help grow a security engineering culture across Anthropic.

Required Qualifications

8+ years of software engineering experience building security-relevant systems in production, including leading complex initiatives independently.
Strong programming skills in Go, Rust, or Python.
Deep understanding of authentication and authorization systems, including OAuth 2.0 / OIDC, JWTs, service-to-service authentication, and policy-based access control.
Hands-on experience with PKI, X.509, mTLS, and workload identity.
Working knowledge of applied cryptography, including choosing and composing cryptographic primitives correctly, key management, and common library failure modes.
Experience shipping and operating high-reliability services on Kubernetes across cloud and on-prem environments, including being on call.
A track record of bringing clarity and ownership to ambiguous technical problems and driving them to resolution across teams.
A strong sense of developer experience.
Clear communication across all levels of the organization.
Passion for AI safety and the role security engineering plays in building trustworthy AI systems.

Technologies

Go, Rust, Python
OAuth 2.0, OIDC, JWTs
PKI, X.509, mTLS
Kubernetes

Preferred Qualifications

Built security frameworks or libraries adopted across an engineering organization, including driving adoption.
Built or operated a zero-trust or BeyondCorp-style access gateway, or an identity-aware proxy.
Migrated a fleet to mTLS at scale, including certificate issuance and staged enforcement.
Maintained or contributed to open-source cryptographic libraries.
Designed authorization systems using policy languages or relationship-based models.
Familiarity with ML infrastructure, including training and inference serving.

Education

Bachelor’s degree or an equivalent combination of education, training, and/or experience.

Logistics

Location: San Francisco, CA (hybrid)
Hybrid policy: Expected to be in one of Anthropic’s offices at least 25% of the time, though some roles may require more.
Visa sponsorship: Visa sponsorship is available; successful sponsorship depends on role and candidate specifics. If an offer is made, Anthropic will make reasonable efforts to support the visa process and has an immigration lawyer available.
Salary: USD 32,000 - 485,000 per year

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13d ago

Senior Java/ AI Engineer- Cybersecurity Engineer

American Express Phoenix, AZ

Phoenix, AZ

13d ago

$123k - $215k/yr Full time Senior Ai Security Artificial Intelligence

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Job Description

American Express is building secure, modern cryptographic capabilities inside its Data Security organization, with a focus on services that are resilient and scalable. In this Senior role based in Phoenix, AZ (onsite), you will design, develop, and modernize cryptographic services while using generative AI and AI-based automation to improve developer productivity and support incident-free operations.

What you’ll do

Design, develop, and modernize secure, scalable, and resilient cryptographic services while accelerating AI-enabled engineering and intelligent automation.
Apply generative AI and AI-based automation across engineering and operational workflows to improve developer productivity.
Automate vulnerability remediation to reduce manual intervention.
Proactively identify and remediate issues to advance the organization’s journey toward incident-free operations.

What you’ll bring

Bachelor’s degree in Computer Science, Computer Engineering, Software Engineering, or equivalent practical experience.
7+ years of professional software development experience.
2+ years of experience leading software developers, including technical mentoring and design guidance.
5+ years of experience within Financial Services or another highly regulated industry.
5+ years of experience developing APIs, microservices, or backend applications using Java, Python, Go, JavaScript/TypeScript, or similar languages.
5+ years of experience developing or consuming REST and/or SOAP services.
2+ years of hands-on experience with GCP, AWS, Azure, or private/hybrid cloud platforms.
2+ years of experience with Kubernetes, Docker/containerization, service mesh, or related cloud-native technologies.
2+ years of experience developing solutions involving PKI, symmetric/asymmetric cryptography, encryption, tokenization, digital certificates, or cryptographic key management.
2+ years of experience developing or integrating services using HashiCorp Vault, KMS, HSM, or comparable secrets/key management technologies.
Hands-on experience integrating LLMs or Generative AI into applications, software engineering workflows, or operational automation.
Hands-on experience with AI agents, Retrieval-Augmented Generation (RAG), LLM APIs, prompt engineering, agentic workflows, or similar Generative AI application patterns.
Experience applying AI to engineering and operational use cases such as incident detection, root-cause analysis, vulnerability remediation, observability, automated remediation, or recovery.
Deep understanding of PKI architecture, certificate lifecycle management, cryptographic key lifecycle management, TLS/mTLS, encryption, digital signatures, and secure communication protocols.
Experience designing highly available enterprise PKI or cryptographic services.
Experience integrating applications with HSMs, enterprise PKI, HashiCorp Vault, cloud KMS, and certificate management platforms.
Strong understanding of API security, OAuth/OIDC, authentication, and authorization.
Experience with DevSecOps, CI/CD, automated security testing, observability, and infrastructure automation.
Understanding of security, privacy, access control, and responsible AI considerations for enterprise AI solutions.

Technologies you may work with

Java, Python, Go, JavaScript/TypeScript
REST, SOAP
GCP, AWS, Azure
Kubernetes, Docker, service mesh
PKI, symmetric/asymmetric cryptography, encryption, tokenization, digital certificates, cryptographic key management
HashiCorp Vault, KMS, HSM
LLMs, Generative AI, AI agents, Retrieval-Augmented Generation (RAG), LLM APIs, prompt engineering, agentic workflows
OAuth/OIDC, TLS/mTLS
DevSecOps, CI/CD, automated security testing, observability, infrastructure automation

Location: Phoenix, AZ (onsite)
Salary: USD 123,000 - 215,250 per year

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Cryptography Engineer Jobs

Senior/Staff Security Engineer

Senior Embedded RUST Software Engineer

Advanced Software Engineer for Linux Platforms in Crypto and Cross Domain Solutions

Software Engineer for Linux Applications in Crypto and Cross Domain Solutions

Staff + Software Security Engineer

Senior Java/ AI Engineer- Cybersecurity Engineer

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