Senior Systems Security Engineer

Webster & Webster Associates; Seattle (WA); On-site; USD 120,000 - 180,000; Full time

Job summary

Webster & Webster Associates is seeking a Senior Systems Security Engineer to strengthen secure communication for a premier cybersecurity company. You will implement lightweight protocols for resource-constrained hardware and secure data across automotive, aerospace, and industrial sectors.

Join a collaborative, research-focused team tackling challenging cryptography problems, with distributed remote collaboration and a strong emphasis on code quality and documentation.

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Computer Engineering, or a related field.
• 5+ years of experience in systems-level programming or security software engineering.
• Expert-level mastery of C for embedded environments.
• Proven knowledge of TCP/IP networking and secure protocols such as TLS, DTLS, or SSH.

Responsibilities

• Create and maintain portable source code for secure communication protocols and libraries.
• Refine protocol implementations for minimal footprint and memory use on small devices.
• Engage with chipset manufacturers to integrate secure connectivity in future hardware.
• Conduct security audits and automated testing to ensure code integrity.
• Lead new features from research to reference implementation and documentation.
• Create high-quality technical guides for a global developer/community audience.
• Represent the organization in technical forums to shape industry security standards.

Skills

C for embedded

TCP/IP networking

TLS/DTLS/SSH

RTOS/bare-metal

Security software

Distributed teamwork

Documentation

Code auditing

Education

Bachelor's or Master’s degree in Computer Science/Engineering

Job description

Are you an expert in low-level networking who is ready to secure the communication channels of millions of connected devices? We are currently seeking a Senior Systems Security Engineer to join a premier cybersecurity company.

In this role, you will be responsible for the implementation and refinement of lightweight communication protocols designed for resource-constrained hardware. You will work at the core of a widely deployed security stack, ensuring that data remains protected across automotive, aerospace, and industrial sectors. This position offers the opportunity to tackle the most challenging problems in modern cryptography while working in a collaborative, research-focused environment.

Key Responsibilities

• Create and maintain portable source code for various secure communication protocols and mathematical libraries.
• Refine protocol implementations to achieve a minimal footprint and optimal memory usage for small-scale devices.
• Engage with chipset manufacturers to integrate secure connectivity features into next-generation hardware platforms.
• Conduct comprehensive security audits and automated testing to ensure the highest level of code integrity.
• Lead the development of new features from initial research through to reference implementation and user documentation.
• Create high-quality technical guides for a global community of developers and partners.
• Represent the organization in technical forums to help shape emerging industry security standards.

Core Qualifications

• Bachelor’s or Master’s degree in Computer Science, Computer Engineering, or a related field.
• 5+ years of experience in systems-level programming or security software engineering.
• Expert-level mastery of C for embedded environments.
• Profound knowledge of TCP/IP networking and secure protocols like TLS, DTLS, or SSH.
• Practical experience with RTOS platforms or bare-metal software development.
• Analytical mindset with a rigorous approach to problem-solving and code quality.
• Proven ability to work effectively in a fully distributed, remote setting.
• Clear written communication skills for producing detailed technical documentation.

Job Details

• Title:Senior Systems Security Engineer
• Employment Type: Direct-Hire
• Location: Seattle, WA, USA
• Location Type: Onsite
• Relocation: Yes
• Compensation: $120,000 – $180,000 depending upon experience
• Job ID: JO-2501-120201