Cryptography

Cryptography Engineer Jobs

12 jobs found

11d ago

Senior Principal Software Security Engineer

Raytheon Tucson, AZ

Tucson, AZ

11d ago

$132k - $252k/yr Full time Senior Application Security Arm Architecture

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Job Description

Raytheon in Tucson, AZ is looking for a Senior Principal Software Security Engineer to lead real-time missile software security design, development, and integration. The role emphasizes applying security principles to embedded software and collaborating with Systems Security Engineering to translate requirements into robust, verifiable solutions. This onsite position requires a strong background in C and C++ development within embedded environments.

Responsibilities

Analyze real-time software design and its performance implications for System Security implementations within missile software.
Participate in the design, development, integration, and testing of real-time missile software at the application and embedded levels.
Apply System Security principles to the design and implementation of missile software applications.
Develop software on multiple computing platforms using C and C++.
Understand how individual contributions influence the overall missile system and craft or review detailed source-code level solutions.
Collaborate closely with the Systems Security Engineering team to define and implement requirements.
Operate within a common development environment to enable program capabilities and leverage security features.
Interface with the customer community to review technical designs and support verification of system maturity.

Requirements

Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 10 years of relevant software experience.
Proficiency with C and C++ programming.
Experience with Xilinx UltaScale+ MPSoC, Versal, or similar Embedded Processors.
Background working with embedded operating systems such as VxWorks, Embedded Linux, or equivalent.
embedded Software Security experience.
Ability to obtain and maintain an Interim Secret U.S. security clearance prior to start date, with eligibility for program access after start; U.S. citizenship is required for security clearance eligibility.

Technologies

C and C++
Xilinx UltaScale+ MPSoC, Versal, or similar Embedded Processors
VxWorks, Embedded Linux
Linux/Unix environments, FPGAs, ASICs
ARM Architecture, Secure boot concepts, Cryptographic Algorithms
Python, Perl
PCIe, GPIO, I2C, SATA

Benefits

Total rewards package including healthcare, wellness, retirement and work/life benefits; career development and recognition programs.
Parental leave (including paternal), flexible work schedules, achievement awards, educational assistance and child/adult backup care.

Location

Onsite at Raytheon’s campus in Tucson, Arizona. Address details reference the US-AZ-TUCSON location and building information: 801 ~ 1151 E Hermans Rd, Building 801.

Role type

Onsite

Security clearance

DoD Clearance: Secret
Ability to obtain interim U.S. government issued security clearance prior to start date; U.S. citizenship is required for clearance eligibility.

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11d ago

Technical Lead Member Engineering Staff - System Security Engineer – Information Assurance / NSA Type-1 Crypto

L3Harris Technologies Camden, NJ

Camden, NJ

11d ago

$105k - $194k/yr Full time Cryptography Cyber Security Endpoint Security

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Job Description

Join L3Harris Technologies as a Technical Lead Information Assurance Systems Security Engineer in the System Security domain. This on-site role in Camden, New Jersey blends advanced systems engineering with information assurance, security, and cryptography to design and certify NSA Type-1 cryptographic solutions. The position operates on a 9/80 schedule with every other Friday off, includes travel up to 10 percent, and requires the ability to obtain and maintain a US security clearance.

Benefits

Health and disability insurance
401(k) match
Flexible spending accounts
Employee Assistance Program (EAP)
Education assistance
Parental leave
Paid time off
Company-paid holidays

Responsibilities

Apply security and cryptography expertise throughout the Systems Engineering lifecycle to develop and certify national security systems on time, within budget, with low residual risk.
Support the design, development, and testing of high assurance security solutions for Defense and Intelligence community customers.
Develop concepts of operations, decompose and synthesize security requirements, verify security features, support security architecture development and analysis, and assist with design and security test planning and execution.
Support NSA certification activities, secure networking integration, and embedded platform security for Type-1 cryptographic communication systems.
Serve as a subject matter expert and systems lead for information assurance, security, and cryptography.
Travel up to 10 percent.
Ability to obtain and maintain US security clearances.

Requirements

Bachelor's degree in an engineering discipline
Master's degree highly desirable
Active DoD security clearance required, SECRET minimum
12+ years of systems engineering experience supporting information assurance systems or related products
Comprehensive understanding of the systems engineering lifecycle from concept through test, including architecture development, functional analysis, requirements allocation and traceability, trade studies, system synthesis, and integration
Experience planning, developing, and executing verification activities for security features and system-level functionality
Hands-on system integration and test experience for complex embedded or networked systems
Experience authoring and reviewing artifacts for formal design reviews
Model-based systems engineering (MBSE) experience
Proven track record in the architecture, design, analysis, integration, and test of NSA Type-1 certified or NSA-approved systems or equipment
Experience with security verification test planning and execution
Familiarity with the NSA Type-1 certification lifecycle and interactions with NSA technical evaluators
Experience supporting NSA security Certification and Verification activities, including evidence production, test event support, and closure of certification findings
Familiarity with NSA certification artifacts and deliverables (multi-program background highly desirable)
Strong security architecture development skills and ability to justify complex security trade-offs in high assurance systems
Working knowledge of Type-1, Suite A, Suite B, and commercial cryptographic algorithms (symmetric and asymmetric)
Knowledge of PKI, TLS, and certificate/key management
Understanding of key management systems including EKMS and KMI as applied to End Cryptographic Units (ECUs)
Experience with secure networking protocols, red/black interface design, and embedded Linux development environments for cryptographic devices
Excellent verbal and written communication skills with the ability to coordinate across teams and communicate changes

Technologies

Model-Based Systems Engineering (MBSE)
Public Key Infrastructure (PKI)
TLS
EKMS
KMI
Embedded Linux
End Cryptographic Units (ECUs)
Type-1 cryptographic algorithms
Suite A, Suite B

Location: Camden, New Jersey (On-Site)

Schedule: 9/80 Regular (Every other Friday off)

Job Code: 36202

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13d ago

Senior Software Engineer (C++ Linux kernel Security)

Light Partners Boston, MA

Boston, MA

13d ago

$150k - $200k/yr Full time Senior Certificate Management Certificate Provisioning

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Job Description

Light Partners seeks a Senior to Principal level C++ Software Engineer specializing in Linux kernel security to join its quantum networking product OS group onsite in the Boston area, with a salary range of USD 150,000 to 200,000 per year.

Responsibilities

Assess and reduce the attack surface of Ubuntu, PetaLinux, and other Linux based systems that are central to the OS used by the product.
Develop and maintain certificate and key management capabilities, including provisioning, secure storage, rotation, and lifecycle management.
Evaluate approaches for secure key storage using technologies such as TPMs, HSMs, PUFs, and other hardware assisted security mechanisms.
Integrate vulnerability scanning, malware scanning, and security testing into development and release processes.
Contribute to management and control interfaces driven by NETCONF/YANG and related technologies.
Participate in architecture reviews, code reviews, and technical discussions.

Requirements

Bachelor's degree in Computer Science (MS or PhD preferred).
8+ years of professional experience delivering robust, enterprise quality C++ software on Linux-based systems.
Experience building core OS software as part of a platform team delivering features across networking, management, and interoperability services.
Solid understanding of public key infrastructure, X.509 certificates, and certificate lifecycle management.
Design and implementation of security modules within the Linux kernel, with a focus on kernel-space vulnerability mitigation.

Technologies

C++
Linux
Linux kernel
NETCONF
YANG
TPMs
HSMs
PUFs
Ubuntu
PetaLinux
PKI
X.509

Ability to commute

Onsite in Boston, MA 02133 is required.

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13d ago

Security Engineer - OpenSSL or MPC- Blockchain nodes/APIs - Intel SGX

Syncreon Consulting New York, NY

New York, NY

13d ago

Full time Blockchain Cloud Platforms Cryptography

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Job Description

Syncreon Consulting is seeking a Security Engineer for an onsite role in New York, NY. The position centers on OpenSSL or multi-party computation (MPC) implementations for blockchain nodes and APIs, leveraging secure software development practices and deep cryptography expertise, with experience in hardware security features such as Intel SGX.

Requirements

Candidates should demonstrate a blend of secure software development know-how and cryptography engineering, along with hands-on work in secure coding and cryptographic tooling. The role calls for practical experience across the following areas, with an emphasis on building and auditing robust crypto solutions for custody-related workflows:

Expertise in secure software development
Expertise in cryptography engineering
Proficiency in secure coding practices, particularly in C/C++, Go, or Rust
Ability to use or audit cryptographic libraries, including OpenSSL or MPC-specific libraries
Familiarity with hardware security features such as Intel SGX and hardware security modules (HSMs)
Comfortably collaborate with MPC or cryptographic frameworks commonly used to build crypto custody solutions
Strong threat modeling skills to anticipate and mitigate attack vectors, including man-in-the-middle scenarios during MPC rounds and potentially malicious client apps
Experience with cryptographic protocols, including implementing or auditing key exchange or signature schemes
Knowledge of common cryptographic pitfalls such as weak random number generation or error handling that could leak information
Experience integrating with blockchain nodes and APIs
Understanding of blockchain transaction formats, including Bitcoin UTXOs and Ethereum RLP
Able to parse and construct transactions for signing
Knowledge of secure storage and databases
Familiarity with cloud security practices to avoid misconfigurations
Familiarity with containerization for deployment
Experience with Trusted Execution Environments, including remote attestation with Intel SGX

Technologies

The following technologies form the core of the role and the day-to-day toolkit:

C
C++
Go
Rust
OpenSSL
MPC-specific libraries
Intel SGX
HSMs
Blockchain nodes and APIs
Bitcoin UTXOs
Ethereum RLP
Secure storage and databases
Cloud security
Containerization
Remote attestation

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1mo ago

Embedded Software Engineer

Arkham Technology Ltd. Linthicum Heights, MD

Linthicum Heights, MD

1mo ago Closed

$85k - $180k/yr Full time Cryptography Cyber Security Embedded Linux

This position is no longer accepting applications (closed Jul 25, 2026).

Job Description

Embedded Software Engineer role in Linthicum Heights, MD focused on designing, developing, and integrating embedded software for network security and communications products; requires U.S. citizenship and eligibility for a DoD Secret clearance.

Responsibilities

Design, implement, test, integrate, and document firmware and software for embedded platforms and networking devices.
Support software engineering activities such as interface design, system integration, code reviews, and software testing.
Contribute to internal reviews of software components and systems.
Produce necessary project documentation to satisfy contract deliverables, including development plans, requirements, design specifications, and test artifacts.
Develop embedded software for network security applications, including device management, protocols, drivers, and control plane security features.
Collaborate with cross functional teams to integrate software with hardware solutions.
Manage requirements through decomposition, allocation, verification, and validation.

Requirements

Bachelor’s degree in Engineering, Computer Science, or related field.
4+ years of experience in embedded systems design.
Strong proficiency in embedded C/C++ or an equivalent systems language.
Broad understanding of end-to-end network system architecture from the wireless physical layer to application endpoints.
Familiarity with MAC and network layers of communications systems.
Deep knowledge of IPsec, network protocols, data authentication and encryption (eg TLS, SSL, OpenSSL, X.509 certificates).
Experience with security protocols and encryption algorithms including CNSA suites.
Experience implementing low-level hardware drivers.
Experience with embedded Linux.
Ability to work in Bare Metal environments.
Familiarity with ARM architecture.
Strong problem-solving skills and a collaborative, team-oriented approach.
Excellent verbal and written communication skills.
U.S. Citizenship required; ability to obtain and maintain a security clearance.
Willing to travel periodically as needed.

Technologies

Embedded C/C++
Embedded Linux
ARM architecture
Bare Metal
OpenSSL
TLS
SSL
X.509 Certificates
CNSA algorithms
NETCONF
RESTCONF
YANG
Camee Systems Modeler
RESTful
SOAP
SHA
HMAC
Elliptic Curve Cryptography (ECC)
Public Key Infrastructure (PKI)
Cryptographic Message Syntax (CMS)
EKMS
KMI

Benefits

401(k)
401(k) matching
Dental insurance
Employee assistance program
Health insurance
Life insurance
Parental leave
Referral program
Vision insurance

Position Overview

Arkham Technology is seeking an Embedded Software Engineer with expertise in embedded systems to lead the development and implementation of embedded software solutions for its products. The role involves providing technical guidance and ensuring the delivery of high quality embedded software.

Job Type

Full-time

Pay

Salary: USD 85,000 - 180,000 per year

Work Location

Onsite position in Linthicum Heights, MD

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1mo ago

Lead Blockchain Protocol Engineer (Specialty Software Engineer 3)

Experis Woodbridge, NJ

Woodbridge, NJ

1mo ago Closed

$73+/hr Contract Backend Developer Blockchain Bulletproofs

This position is no longer accepting applications (closed Jul 21, 2026).

Job Description

Experis is seeking a Lead Blockchain Protocol Engineer (Specialty Software Engineer 3) for an onsite contract role in Woodbridge, NJ, at a rate of USD 73 per hour.

Responsibilities

Architect and build a core settlement engine using blockchain technology and cryptographic primitives.
Implement privacy preserving primitives such as Pedersen Commitments and Bulletproofs to safeguard transaction confidentiality.
Design and implement custom consensus extensions and state machines for distributed ledger systems.
Optimize cryptographic operations for performance and scalability within a distributed environment.
Develop secure off chain query layers and permissioned auditing mechanisms to support regulatory compliance.

Requirements

4+ years of experience in Specialty Software Engineering or equivalent, including work, training, or military background.
Proficiency in backend or systems programming with expert level knowledge of Go (Golang).
At least 6 months of experience with Elliptic Curve Cryptography (ECC).
Over 1 year of experience with BFT consensus algorithms, P2P networking, and distributed systems.
Strong understanding of cryptographic protocols, consensus mechanisms, and distributed ledger technologies.

Technologies

Go (Golang)
Elliptic Curve Cryptography (ECC)
Pedersen Commitments
Bulletproofs

Benefits

Work on challenging, impactful problems that influence the future of institutional finance.
Engage in high impact engineering projects that enhance transaction security and privacy.
Enjoy technical autonomy and participate in architectural decision making processes.
Collaborate with a talented team dedicated to innovation and excellence.
Contribute to a forward thinking organization committed to diversity and inclusion.

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1mo ago

Embedded Software Engineer

Leoforce Irvine, CA

Irvine, CA

1mo ago Closed

$145k - $190k/yr Full time Cryptography Embedded Development Embedded Linux

This position is no longer accepting applications (closed Jul 20, 2026).

Job Description

Leoforce is seeking an experienced embedded software engineer for an onsite role in Irvine, CA, with a yearly salary between USD 145,000 and 190,000.

Responsibilities

Architect, implement, and validate embedded software systems to meet robustness, reliability, and safety standards.
Engage in all stages of the software development lifecycle, from requirements through maintenance.
Leverage Yocto, Embedded Linux, microprocessors, and cryptography theory to deliver innovative solutions.
Collaborate with cross-functional teams to define software specifications and requirements.
Contribute to code and design reviews to uphold high development standards.
Troubleshoot and resolve software defects and related technical challenges.
Write clear, maintainable, and efficient code.
Stay current with emerging technologies and apply them to operations and projects.
Provide technical guidance and mentorship to fellow developers and engineers.

Requirements

Bachelor’s degree in Computer Science, Electrical Engineering, or a related field.
Minimum of 5 years of embedded software development experience.
Proficiency with Yocto, Embedded Linux, microprocessors, and cryptography theory.
Strong understanding of the software development lifecycle.
Solid knowledge of OS coding techniques, IP protocols, interfaces, and hardware subsystems.
Excellent troubleshooting and problem-solving capabilities.
Ability to read schematics and component data sheets with ease.
Strong documentation and technical writing skills.
Ability to work effectively in a collaborative, team-based environment.
Excellent verbal and written communication skills.
High attention to detail and commitment to quality.
Ability to manage multiple tasks, prioritize, and meet deadlines.
Self-motivated with the ability to work with limited supervision.