> Markdown version of [/jobs/ext/4522850-senior-platform-engineer-isse-with-security-clearance](https://www.wearedevelopers.com/jobs/ext/4522850-senior-platform-engineer-isse-with-security-clearance). 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). --- # Senior Platform Engineer/ISSE with Security Clearance - **Company:** Eliassen Group - **Location:** Reston, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Computing Platforms, Microsoft Azure, Cyber Security, Ansible, Zero Trust Network Access, Software Engineering, Google Cloud, Multi-Cloud, Containerization, Kubernetes, Information Technology, Terraform, Devsecops, Docker, Vulnerability Analysis - **Published:** November 1, 2026 - **Apply:** https://www.adzuna.com/details/5947275124 ## About the Role * Ensure compliance with relevant regulations such as NIST, FISMA, and FedRAMP Required Qualifications: * Bachelor's degree in Computer Science, Information Security, or related field; Master's preferred * 8+ years of experience in information security and platform engineering * Expertise in cloud platforms (AWS, Azure, GCP) and containerization technologies (Docker, Kubernetes) * Strong understanding of security frameworks and compliance requirements * Experience with automation tools for security operations (Ansible, Terraform, etc.) * Excellent communication and leadership skills Preferred Qualifications: * TS/SCI clearance with polygraph * Experience with DevSecOps practices * Knowledge of zero-trust architecture and implementation * Familiarity with government contracting environments ## Description On-site in Reston, VA Our client seeks a Senior Platform Engineer/ISSE to design, implement, and continuously monitor security controls across cloud and on-premises environments. The ideal candidate will have extensive experience in information systems security engineering, platform design, and compliance frameworks. Responsibilities: * Design, implement, and maintain secure platform solutions across multi-cloud and hybrid environments * Conduct security assessments and vulnerability scans to identify and mitigate risks * Develop and enforce security policies, procedures, and compliance standards * Collaborate with development teams to integrate security best practices into the software development lifecycle * Monitor security events and incidents, and implement appropriate response measures * Provide technical guidance and mentorship to junior security engineers