Quantum Network Protocol Development Engineer

We are seeking a Quantum Network Protocol Development Engineer to join the VIST.

Viettel Institute of Strategic Industrial Technology (VIST) is the strategic R&D nucleus of Viettel Group - Vietnam's most powerful military-technology conglomerate.

The Quantum Center, under the Viettel Institute for Strategic Technologies (VIST), is part of Viettel Group's strategic technology research ecosystem. The center is developing advanced FPGA-based systems for quantum electronics, one of Viettel's key strategic research areas supporting next-generation technologies and defense industry innovation.

JOB DESCRIPTION

• Design, develop, and optimize software components for cryptography and system security.
• Integrate symmetric and asymmetric encryption algorithms, hash functions, digital signatures, and authentication mechanisms.
• Develop applications using cryptographic algorithms such as AES, RSA, ECC, SHA-2/SHA-3, HMAC, ECDSA, EdDSA, and related technologies.
• Implement and customize secure communication protocols, including TLS and SSH, as well as key exchange, key derivation, and key management mechanisms.
• Research and implement post-quantum cryptographic algorithms, such as ML-KEM and ML-DSA.
• Use cryptographic libraries such as OpenSSL, mbedTLS, or equivalent libraries in Rust, Golang, and other systems programming environments.
• Develop software for Linux, Windows, macOS, and embedded operating systems.
• Integrate security hardware components such as TPM, Secure Element, and HSMs.
• Analyze security requirements, assess system architectures, and propose effective security solutions.
• Develop unit tests, integration tests, interoperability tests, and technical documentation.
• Collaborate closely with hardware, system, and testing teams to integrate and validate products.

APPLICANT REQUIREMENTS:

• Bachelor's degree (Good or above) in Computer Science, Information Security, Computer Engineering, or a related engineering discipline.
• Proficiency in at least one systems programming language: C, C++, Rust, or Golang.
• Experience developing, debugging, and optimizing applications on Linux.
• Strong understanding of symmetric and asymmetric cryptography, hash functions, MACs, digital signatures, and key exchange mechanisms.
• Knowledge of widely used cryptographic algorithms, such as AES, RSA, ECC, SHA-2/SHA-3, and HMAC.
• Understanding of TLS, SSH, Public Key Infrastructure (PKI), digital certificates, and cryptographic key lifecycle management.
• Minimum 2 years of experience in software development.
• English proficiency equivalent to TOEIC 650 or above.
• Ability to read and understand technical documentation in English.

PREFERRED :

• Experience with Embedded Linux, Yocto, or Buildroot.
• Knowledge of FIPS 140-3 requirements or equivalent cryptographic module standards.
• Experience with threat modeling, attack surface analysis, and secure system architecture.
• Understanding of side-channel attacks, constant-time programming, and secure handling of sensitive data in memory.
• Experience in source code review, security testing, or developing products that comply with security standards

BENEFITS:

• Competitive salary based on qualifications, experience and negotiation. Public Holidays, Tet, and annual vacation benefits.
• Full statutory social insurance, along with additional health and accident insurance.
• Opportunities to pursue postgraduate professional training through domestic and international scholarship programs. Company sponsorship to attend prestigious international conferences and professional exchange programs with leading technology organizations.
• Recognition and award programs at the Company, Corporation, and Group levels. Group-level award recipients are honored at a global recognition ceremony, with family members invited to attend.

WORKING HOURS AND LOCATION:

• Working Hours: Monday to Friday, 8 hours per day
• Location: 380 Lac Long Quan Street, Tay Ho District, Hanoi, Vietnam