Security Engineer and Network Engineer

MPCH is a dual-use cryptographic infrastructure company providing governed key management, recovery, secure facilities, validator infrastructure, and AI authorization controls for institutional digital-asset, blockchain, government, and defense environments.

New York, USA

Funding history

About MPCH

MPCH builds and operates hardware-backed, air-gapped cryptographic infrastructure. Its offerings include Stronghold-KMS for authority-key management, Stronghold-DR for disaster recovery and continuity, managed cryptographic vault services, regulated blockchain and validator infrastructure, and the ATLAS/APEX AI authorization and programmable-authority products. MPCH states that it was founded in 2021 and operates from New York.

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Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will design and implement a highly secure enterprise network using hardware and software. The role covers scalable VPN deployment, protocol evaluation, firewall and IDS/IPS integration, authentication and encryption, access control, risk assessment, compliance, monitoring, performance optimization, patching, incident response, documentation, and IT staff training.

Requirements

  • 5+ years of experience in network engineering and cybersecurity
  • Deep understanding of routing, switching, DNS, and BGP
  • Expertise with OpenVPN, IPsec, SSL/TLS, and WireGuard
  • Proficiency with firewalls, IDS/IPS, and SIEM solutions
  • Hands-on experience with AWS, Azure, and Google Cloud in hybrid environments
  • Experience implementing MFA and certificate-based authentication
  • Experience with AES-256 and key exchange protocols including Diffie-Hellman and IKEv2
  • Familiarity with GDPR, HIPAA, and ISO 27001
  • Familiarity with Python, Bash, automation, and CI/CD deployment methods
  • Preferred certifications include CISSP, CCNP Security, or CEH
  • Preferred knowledge of zero-trust architectures and Software-Defined Perimeter frameworks

Responsibilities

  • Design scalable, high-performance VPN architectures for hybrid cloud and on-premises environments
  • Evaluate and select VPN protocols and encryption methodologies
  • Integrate VPNs with firewalls, routers, and IDS/IPS
  • Implement multi-factor authentication and certificate-based access
  • Apply advanced encryption standards and key exchange protocols
  • Develop and enforce access control and user permission policies
  • Conduct network analysis to minimize latency and maximize uptime
  • Implement load balancing and failover mechanisms for high availability
  • Optimize bandwidth utilization and troubleshoot connectivity issues
  • Perform risk assessments and implement vulnerability mitigations
  • Ensure VPN and network compliance with applicable regulations
  • Deploy monitoring tools to detect anomalies and unauthorized access
  • Maintain firmware, software, and security patches for network components
  • Develop incident response plans for VPN and network security events
  • Document architectures, configurations, and standard operating procedures
  • Provide training and guidance to IT staff on VPN and network best practices