> Markdown version of [/jobs/ext/4514528-senior-linux-infrastructure-security-automation-engineer](https://www.wearedevelopers.com/jobs/ext/4514528-senior-linux-infrastructure-security-automation-engineer). 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 Linux Infrastructure & Security Automation Engineer - **Company:** POWER3 SOLUTIONS, LLC - **Location:** Fort Meade, MD, United States - **Experience:** Expert - **Salary:** $150,000.0 - $200,000.0 - **Contract:** Permanent contract - **Skills:** Cyber Security, Linux, Design of User Interfaces, Human-Computer Interaction, Internet Security, Systems Development Life Cycle, Role-Based Access Control, Ansible, Saltstack, Gitlab, Git, Infrastructure Automation Frameworks, Front End Software Development, Puppet, Terraform, Software Version Control - **Published:** November 2, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-linux-infrastructure-security-automation-engineer-md--8105f0fc-9b77-42d1-8e13-e28a314f3cdb ## About the Role Linux Operating System, Automation Engineering, Automation Engineering, Physical Security, Computer Security, Content Management Systems (CMS), Linux Operating System, Internet Security, User Interface/Experience (UI/UX), Automation, * Strong proficiency with Linux and Linux-native tooling. * Hands-on experience with infrastructure automation technologies, including: Ansible, SaltStack, Puppet, Chef, Terraform, etc. * Ability and willingness to learn and adhere to project-specific Ansible coding standards. * Familiarity with full SDLC practices using Git/GitLab for version control. * Strong security expertise at both the design and implementation level. ## Description Power3 Solutions is supporting a cybersecurity and physical security firm committed to protecting the infrastructure that underpins national security. We are seeking a Senior Linux Infrastructure & Security Automation Engineer to join the team and support the sustainment, security, and evolution of mission-critical systems. This role focuses on automating and monitoring STE/STN environments, enhancing system security, developing RBAC/CMS capabilities, and driving front-end and container infrastructure hardening efforts. What You'll Do In this role, you will: * Sustain and enhance STE/STN automation and monitoring capabilities. * Implement frontend hardening across systems. * Build and maintain utility frontdoor and courier containers. * Drive container security initiatives. * Support LatteArt IAVM, PO&AM, and related security processes. * Lead RBAC and CMS product creation/sustainment, including mapping roles to permission sets. * Conduct general solution security oversight, including background hardening. * Perform security reviews and audits for internal and partner team products.