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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Security Engineer - **Company:** EchoTwin AI, Inc. - **Location:** San Francisco, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Software System Penetration Testing, JIRA, Microsoft Azure, Cloud Computing, Cloud Computing Security, Cyber Security, Cryptographic Protocols, Github, Python (Programming Language), Key Management, Network Security, Linux System Administration, Public Key Infrastructure, Systems Development Life Cycle, Blockchain, Secure Coding, Software Engineering, Scripting, Google Cloud, Cloud Platform System, Software Security, Information Technology, Performance Monitor, Gsuite, Golang, Programming Languages - **Published:** September 4, 2026 - **Apply:** https://startup.jobs/senior-security-engineer-echotwin-ai-8116311 ## About the Role We're seeking a passionate Security Engineer to lead our cybersecurity initiatives and safeguard our code and infrastructure against ever-evolving threats. You will manage security for our production and corporate systems, handle security alerts, implement policies, and collaborate with external customers on security needs., * Must possess demonstrable knowledge of application security, security testing methodologies, and application security testing automation., * Degree in Computer Science, Engineering, or related field. * 6+ years of software engineering or equivalent experience. * Experience with one of the core (Golang, Python) programming languages, scripting, and automation. * Strong knowledge of encryption protocols, public/private key management, and PKI (Private Key Infrastructure). * Strong understanding of network security, encryption practices, and secure coding principles. * Proven experience in cloud security management (AWS, Azure, GCP). * Familiarity with security policies and controls for internal corporate applications (Google Workspace, GitHub, Jira). * Familiarity with security compliance standards relevant to our industry. * Strong skills in managing security tools and vendor relationships. * Excellent ability to develop and implement security policies and guidelines. * Understanding of blockchain principles is a plus. * Relevant certifications in security and cloud platforms are highly desirable. ## Description * Develop and implement comprehensive security strategies for our cloud environments (AWS and GCP) and Linux-based systems. * Design and implement public/private key management and PKI (Private Key Infrastructure) for our edge devices. * Perform regular security audits, risk assessments, and penetration testing to identify vulnerabilities in our code and infrastructure. This includes conducting thorough code audits from a security perspective to ensure our applications are developed with the highest security standards. * Design and manage security protocols for our edge devices, ensuring robust protection against external threats. * Stay abreast of the latest cybersecurity trends and threats, applying this knowledge to fortify our defenses. This includes proactive monitoring and implementing fixes for zero-day vulnerabilities to prevent exploitation. * Develop and enforce security policies and procedures, conducting security awareness training across the company to cultivate a security-first culture. * Collaborate with development teams to integrate security measures into the software development lifecycle (SDLC), promoting security best practices for application development to mitigate risks from the outset. * Respond swiftly to security incidents, leading the investigation and remediation efforts to minimize impact. This includes resolving security breaches and ensuring that similar vulnerabilities are addressed across all projects. * We work with our partners and clients to have deep technical discussions about security posture, review and discuss the security requirements, and formulate the necessary changes for the engineering team. * Manage and maintain CIS-compliant OS images for our Cloud infrastructure and field devices. ## Related Videos - [You can’t hack what you can’t see](https://www.wearedevelopers.com/videos/41-you-can-t-hack-what-you-can-t-see) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) - [Scoring 2000 Products per Request: Performance Pitfalls in Golang](https://www.wearedevelopers.com/videos/2073-scoring-2000-products-per-request-performance-pitfalls-in-golang) ## Related Articles - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Events like RSAC Get You CISOs. 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