
Richmond Square Consulting Limited
Rust Developer
Job Description
Salary: £100,000 - 100,000 per year
Requirements:- Strong commercial experience in Rust development / systems programming
- Experience with ownership, borrowing, lifetimes and traits
- Experience with concurrency and asynchronous Rust
- Experience with Zenoh / Eclipse Zenoh
- Experience with distributed messaging and publish/subscribe architectures
- Experience with secure software engineering / secure-by-design principles
- Experience with TLS / SSL, mTLS, PKI and X.509
- Experience with certificate authorities, certificate chains and trust stores
- Experience with applied cryptography and secure key management
- Experience with network programming and TCP/IP
- Experience with Linux-based development
- Experience with software architecture, debugging and complex problem solving
- Experience with automated testing, Git and CI/CD
- Experience with technologies such as rustls, OpenSSL, RustCrypto, Tokio, HSMs, TPMs, Zero Trust architectures, embedded/edge systems or other high-assurance software environments is particularly useful
- Previous experience within Defence, National Security, Government or another security-sensitive environment is advantageous
- Ability to obtain and maintain the appropriate level of UK National Security Vetting for the position
- Design and develop high-performance software using Rust
- Build distributed and networked systems
- Work with Zenoh / Eclipse Zenoh, including publish/subscribe and peer-to-peer communications
- Develop secure communications using TLS 1.2/1.3, mTLS, PKI and X.509 certificates
- Work with certificate lifecycle management, trust chains and secure key management
- Apply cryptographic principles including encryption, hashing, digital signatures and key exchange
- Develop resilient network services using TCP/IP
- Investigate complex software, networking, security and performance issues
- Identify and reduce technical, architectural and cyber-security risks
- Maintain high standards across secure coding, automated testing and code review
- Provide technical guidance across multidisciplinary engineering teams
- CI/CD
- Cryptography
- Eclipse
- Embedded
- Git
- Linux
- Network
- Rust
- Security
- TCP/IP
More:
We are hiring an experienced Senior Rust Developer to join a growing engineering team working on next-generation national defence technologies. This is a genuine technical role within a flexible hybrid setup in Cheltenham, offering a basic salary of £95,000 to £100,000, discretionary bonus, pension plan, life assurance, 25 days annual leave plus Bank Holidays, flexible working hours, and a strong team and company culture built around knowledge sharing. We offer the opportunity to work on complex, technically demanding systems where performance, resilience and security matter, and to progress your career while contributing to cutting-edge projects.
last updated 37 week of 2026
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About Richmond Square Consulting Limited

Richmond Square Consulting Limited
Leckhampton
IT
Skills & Technologies
Inferred from job description
Salary Insight
£100,000
This role
£55,000
UK median
This salary is 82% above the UK median for Developers (£55,000/yr).
Based on 2024–2025 UK technology sector benchmarks