Embedded Crypto Software Engineer (High-Assurance)

3M HEALTHCARE; Tampa (FL); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Annual Bonus – Performance Related

PTO + 11 company holidays

401K with company match

Medical/Dental/Vision Benefits

Student Loan Assistance

Job summary

Ultra I&C is seeking an Embedded Software Engineer to architect, implement, and certify high‑assurance cryptographic systems for DoD and allied partners. You will develop security‑critical software in C and Rust, support NSA High Assurance certification processes, and modernize legacy baselines with Rust.

You will collaborate across systems, hardware, security, and test teams, travel ~5% for customer events, and contribute to certification artifacts and fielded systems. A U.S.

Qualifications

• Active U.S. Government Secret Security Clearance (U.S. citizenship required).
• Bachelor’s degree in computer science, computer engineering, software engineering, or equivalent experience.
• 5+ years of embedded software development experience in C and/or Rust.

Responsibilities

• Design, develop, and maintain embedded software primarily in C and Rust for cryptographic and security‑critical platforms.
• Architect cryptographic information assurance software and systems, including definition of security boundaries, trusted services, and separation of crypto and non‑crypto functions.
• Perform trade studies and embedded architecture design, with emphasis on memory‑safe designs and C‑to‑Rust transitions.
• Actively support the NSA High Assurance certification process, including requirements decomposition and traceability, security architecture definition and documentation, development of certification artifacts and evidence, and participation in technical reviews and certification milestones.
• Develop and maintain formal engineering documentation: Software & Hardware Requirements (SHRS, IRS), Interface Control Documents (ICDs), Software/Hardware Design Descriptions (SHDD).
• Develop and execute unit testing, integration, and acceptance testing, including hardware‑in‑the‑loop and security‑relevant test cases.
• Manage configuration control for software development items in certified baselines.
• Collaborate closely with systems, hardware, security, and test engineers in a high‑performance, mission‑driven team.
• Identify and implement process, tooling, and automation improvements to support secure development and certification efficiency.
• Periodic travel (~5%) for customer interaction, test events, or off‑site integration activities.

Skills

C programming

Rust

Memory management

Concurrency

ARM processors

Debugging

Security

Certification

Team collaboration

Education

Bachelor’s degree in computer science, computer engineering, software engineering, or equivalent experience

Tools

OpenOCD

GDB

JTAG/SWD

HAL

Job description

Ultra I&C is seeking an Embedded Software Engineer to architect, implement, and certify high‑assurance cryptographic systems for DoD and allied partners. You will develop security‑critical software in C and Rust, support NSA High Assurance certification processes, and modernize legacy baselines with Rust.

You will collaborate across systems, hardware, security, and test teams, travel ~5% for customer events, and contribute to certification artifacts and fielded systems. A U.S.