Remote PQC Solutions Engineer — Part-Time, Potential FT

ADP, Inc.; Washington (District of Columbia); Hybrid; USD 83,000 - 124,000; Part time

Benefits offered by this job

Remote-first

Flexible schedule

Job summary

Square Peg Technologies is seeking a mid-level Post-Quantum Cryptography (PQC) Solutions Engineer to join as a part-time consultant with the potential to convert to a full-time role as demand grows. The role offers remote/hybrid work with Washington, DC metro preferred and occasional travel for client engagements.

You will evaluate PQC libraries, prototype lab environments, develop reference implementations, and create reusable assets to scaling the PQC service line.

Qualifications

• 3-6 years of engineering experience in cybersecurity, secure systems development, or infrastructure security.
• Proficiency with at least one scripting language such as Python, Bash, or PowerShell.
• Strong understanding of cryptographic protocols including TLS, SSH, and S/MIME, PKI and certificate lifecycle management.
• Experience integrating cryptographic libraries such as OpenSSL, Bouncy Castle, or liboqs.
• Ability to design, document, and troubleshoot systems in complex environments.

Responsibilities

• Evaluate open-source and commercial PQC libraries, cryptographic discovery tools, and key management solutions.
• Benchmark performance, assess compatibility, and document technical findings.
• Develop reference implementations for integrating PQC algorithms into simulated environments.
• Build automation scripts and APIs to support cryptographic scanning and analysis workflows.
• Create lab environments to simulate cryptographic migration and crypto-agile workflows.
• Test key management architectures and develop reusable engineering artifacts.
• Produce engineering design documents, tool comparison guides, integration checklists, and user documentation.
• Contribute to internal SOPs and delivery playbooks.
• Support client pilots, demonstrations, and technical assessments.
• Deploy tools, collect cryptographic inventory data, analyze results, and contribute to client-facing deliverables.
• Package reusable scripts, tooling, and processes to support scaling the PQC service line.
• Participate in internal knowledge-sharing and engineering reviews.

Skills

Cybersecurity experience

Scripting

Cryptographic protocols

Crypto libraries

System design

Job description

Square Peg Technologies is seeking a mid-level Post-Quantum Cryptography (PQC) Solutions Engineer to join as a part-time consultant with the potential to convert to a full-time role as demand grows. The role offers remote/hybrid work with Washington, DC metro preferred and occasional travel for client engagements.

You will evaluate PQC libraries, prototype lab environments, develop reference implementations, and create reusable assets to scaling the PQC service line.