> Markdown version of [/jobs/ext/3834012-information-security-specialist-senior](https://www.wearedevelopers.com/jobs/ext/3834012-information-security-specialist-senior). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Information Security Specialist: Senior - **Company:** MILLENNIUM - **Location:** United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Bash Shell, Cloud Computing, Cyber Security, Linux, Python (Programming Language), Public Key Infrastructure, Windows PowerShell, SSL Certificate Management, Enterprise Software Applications - **Published:** October 19, 2026 - **Apply:** https://www.dice.com/job-detail/e93bbdd2-d45b-485f-831c-3383afaac7a6 ## About the Role * 3+ years of experience in Information Security, Infrastructure Engineering, Systems Administration, or Cybersecurity Operations * Experience coordinating and leading remediation efforts involving certificates, SSH keys, or cryptographic technologies * Strong understanding of SSH keys and supporting infrastructure * Experience supporting SSL/TLS certificates, SSH keys, trust stores, or certificate lifecycle management. * Strong infrastructure knowledge across enterprise environments. * Experience working with Linux, Windows, cloud platforms, and enterprise applications. * Advanced organizational skills with the ability to manage multiple concurrent remediation efforts and timelines., * Security industry certifications. * Experience with PKI environments and enterprise certificate management platforms. * Experience using PowerShell, Python, or Bash for automation and operational support. * Proven success influencing technical teams and driving outcomes without direct authority. ## Description * Coordinate remediation efforts involving SSH keys, certificates, trust stores, and related cryptographic assets. * Partner with application, infrastructure, cloud, and platform teams to identify and resolve certificate and machine identity risks. * Drive accountability and follow-through for remediation activities across multiple technical teams. * Track remediation progress, dependencies, risks, and exceptions through completion. * Support enterprise initiatives related to certificate lifecycle management, SSH governance, root CA migrations, and cryptographic modernization. * Validate successful deployment of certificate and SSH key changes across production and non-production environments. * Create operational metrics, dashboards, and reporting related to remediation status and risk reduction. * Support onboarding and adoption of enterprise certificate management solutions and automation capabilities.