Systems Engineer 3 - Linux/PKI/Crypto/SSP/STE/STN/AWS

About this role

Mid-level systems engineer role supporting mission-critical infrastructure with expertise in Linux, PKI/crypto, and cloud environments. Requires Top Secret/SCI clearance and 6+ years of systems engineering experience in a security-focused government contracting environment.

What you'll do

• Manage and support Linux-based systems with PKI/TLS/crypto implementations
• Administer storage, virtualization, and container/cloud infrastructure
• Implement and maintain IP networking and firewall configurations
• Ensure SSP compliance and provide STE/STN support on Linux systems
• Troubleshoot applications and provide general technical support
• Support system automation and infrastructure optimization

What they're looking for

• Linux administration
• PKI/TLS/cryptography and crypto policies
• Cloud and container environments
• Virtualization platforms
• Storage management
• IP networking and firewall administration
• System automation tools
• SSP/STE/STN compliance

Benefits

• Annual salary $130,000–$270,000 based on experience
• Up to 20% 401(k) contribution (immediate vesting)
• $3,600 HSA contribution
• 6 weeks paid time off
• Fully company-paid health, dental, vision, and life insurance
• Short-term and long-term disability coverage