Senior C++ Developer Security / Post-Quantum Cryptography

Role Name : Senior C++ Developer Location: Manassas, VA
Work Arrangement: Hybrid 3 Days Onsite / 2 Days Remote
Candidate Requirement: Local Candidates Only
Visa: All visas except OPT/CPT
Duration: Long-Term Contract
Interview: Virtual + Face-to-Face Interview MANDATORY

Job Description

We are seeking a highly experienced Senior C++ Developer with a strong background in security-focused software engineering. This role will focus on preparing enterprise applications and systems for post-quantum cryptography and strengthening security capabilities.

The ideal candidate will have hands-on experience with low-level security engineering, PKI infrastructure, cryptographic implementations, and C++ development on RHEL/Unix environments.

Responsibilities

• Develop and harden client applications for post-quantum technology readiness.
• Perform security-focused C++ development on RHEL/Unix systems.
• Develop Shell scripts and Python automation for security workflows.
• Collaborate with technical leads on solution design for medium-to-complex security tasks.
• Analyze technical requirements and independently deliver secure, high-quality code.
• Work with PKI infrastructure, cryptographic implementations, and security technologies.
• Contribute to enterprise security initiatives and post-quantum readiness.

Required Qualifications

• Senior-level experience with C++.
• Strong experience with RHEL / Unix environments.
• Hands-on Shell scripting experience.
• Hands-on Python scripting/automation experience.
• Experience with PKI and cryptographic concepts.
• Understanding of public/private keys, keystores, encryption, and decryption.
• Awareness of Post-Quantum Cryptography (PQC) and NIST PQC standards.

Preferred Qualifications

• Java development or strong Java familiarity.
• Experience with enterprise security applications.
• Experience with cryptographic libraries or security infrastructure.

Important Requirements

• Must be local to the Manassas, VA area.
• Hybrid schedule: 3 days onsite / 2 days remote.
• Face-to-face interview is mandatory.
• OPT, CPT, candidates are not eligible.

How to Apply

Interested candidates can send their updated resume, current location, visa status, and contact details to: