Information Security Specialist/ Cyber Security Specialist - W2 ONLY - ONSITE.

*NOTE: W2 ONLY - Onsite in Plano, TX

*NOTE: W2 ONLY - Onsite in Plano, TX

*NOTE: W2 ONLY - Onsite in Plano, TX

Information Security Specialist: Senior

Position Summary

Responsible for partnering with application, infrastructure, cloud, and platform teams to identify, prioritize, and remediate SSH key, certificate, and machine identity risks across the enterprise. This role focuses on driving certificate and SSH remediation activities, improving ownership accountability, reducing cryptographic risk, and accelerating adoption of enterprise certificate management standards and tooling.

The ideal candidate is a seasoned cybersecurity professional with hands-on experience managing certificates, SSH keys, and machine identities across complex enterprise environments. They should possess strong technical expertise in PKI, certificate lifecycle management, Linux and Windows administration, cloud technologies, and automation, while demonstrating the ability to lead large-scale remediation efforts that reduce security risk and improve operational resilience. The successful candidate will excel at building partnerships across Security, Infrastructure, DevOps, Cloud, and Application teams, driving accountability and influencing outcomes without direct authority. They will combine technical depth, operational discipline, and strong communication skills to accelerate cryptographic modernization and enable compliance.

Key Responsibilities

• Lead remediation efforts for SSH keys, certificates, trust stores, and related cryptographic assets.
• Work directly with application and infrastructure teams to replace, update, rotate, and validate certificates and SSH keys.
• Identify systems impacted by certificate lifecycle events, root CA migrations, and cryptographic modernization initiatives.
• Coordinate remediation activities to ensure compliance with enterprise security policies and regulatory requirements.
• Validate successful deployment of certificate and SSH key changes across production and non-production environments.
• Track remediation progress, risks, dependencies, and exceptions through completion.
• Support enterprise-wide initiatives related to certificate lifecycle management, trust store updates, and SSH key governance.
• Create operational metrics, dashboards, and executive reporting on remediation status and risk reduction.
• Assist teams in onboarding to approved certificate management and automation solutions.
• Partner with Security, Infrastructure, DevOps, Cloud, and Application teams to reduce manual certificate management processes.

Required Experience

• 3+ years of experience in Information Security, Infrastructure Engineering, Systems Administration, or Cybersecurity Operations.
• Experience supporting SSL/TLS certificates, SSH keys, trust stores, or cryptographic technologies.
• Experience coordinating technical remediation efforts across multiple teams.
• Knowledge of Linux, Windows, cloud platforms, and enterprise application environments.
• Experience using scripting languages such as PowerShell, Python, or Bash.
• Strong troubleshooting, project coordination, and problem-solving skills.
• Ability to manage multiple concurrent remediation efforts and meet established timelines.