Senior Lead Cloud Security Engineer Jobs

Reolink , a leader in intelligent visual technology for homes and businesses, was founded in 2009 by a group of engineers with a strong commitment to and passion for smarter security solutions. Our products are now trusted by millions of users across more than 110 countries and regions worldwide. Building on this trust, we continue expanding our presence and bringing our innovations to more markets around the globe. Reolink remains committed to delivering advanced, reliable, and user‑centric solutions that empower people to protect what matters most. 5 Work Days Per Week Office at Tai Seng Exchange Tower B Near Tai Seng MRT, Singapore Insurance Coverage Entitled to Yearly Bonus & Performance Bonus Qualifications Bachelor's Degree or above; a degree in computer science or a related field is preferred. Experiences as Senior SRE or leading a small team is preferable. At least 5 years of experience in cloud services products and application operations. Familiar with cloud platform deployment and management (AWS, Azure, Google Cloud, etc.). Experience with automation operations and container technologies (Docker, Kubernetes). Familiarity with CI / CD processes and tools (e.g Jenkins, GitLab CI). Responsibilities (Site Reliability Engineer - Senior / Lead ) High Availability and Stability Maintenance of Application Systems: Includes daily monitoring, alert response, emergency handling, on-call duties, regular system health checks, and performance optimization. Compliance and Secure Access Construction for Application Systems: Ensure operational design, processes, and data management comply with relevant privacy and data protection laws. Ensure compliance with full auditing and regulatory checks and provide auditing materials as required. Change and Release Management: Best practices for application system changes, including change control, version management, and rollback strategies, while ensuring operational duties during release windows. Automation and Infrastructu

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are looking for a Senior Manager, Service Now Platform to join our team. This is a hybrid (San Jose, CA) or remote role, reporting to the Director, IT Applications in the IT Corporate Apps department. In this position, you will lead the architecture, engineering excellence, and team development for our ServiceNow ecosystem while defining and executing the strategy to adopt cutting-edge AI capabilities that drive operational efficiency. What you’ll do (Role Expectations) Establish and enforce strict out-of-the-box design standards, reusable integration patterns, and platform guardrails to minimize technical debt and ensure zero-disruption platform upgrades Define and execute the strategy for adopting modern ServiceNow AI capabilities—including Now Assist, Generative AI, and AI Agents—to automate business processes and reduce operational overhead Drive a high-velocity development model utilizing Agile practices

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are looking for a Principal Software Development Engineer (Microservices) to join our team. This is a hybrid role (in Santa Clara, CA office, minimum 3 days per week), reporting to the Senior Director, Software Development Engineering in the Engineering ZIA Core department. You will work on the control plane for the Zscaler Internet Access (ZIA) product, helping evolve the platform to meet massive scale with cloud-native, microservices-based architecture. What you’ll do (Role Expectations) Lead the technical roadmap to modernize the ZIA control plane using API-first, domain-aligned microservices with clear service ownership and multi-region architectures (active-active, failover, disaster recovery) Design, develop, and operate low-latency, event-driven services end to end (API through storage) utilizing resilience patterns, progressive delivery (blue/green, canary, feature flags), GitOps workflows (Argo CD/Flux), an

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are looking for a Staff Software Development Engineer to join our team. This is a hybrid role based in Bangalore/Hyderabad, reporting to the Senior Manager of Software Engineering. You will join the Engineering team that built the world’s largest cloud security platform from the ground up. As a leader in our multitenant architecture, you will bring your vision and passion to help organizations worldwide harness speed and agility with a cloud-first strategy. What you’ll do (Role Expectations) Understand how to build and operate high scale systems Provide service and product wide architectural guidance, and drive impactful technical decisions Establish and enforce best practices for coding, testing, observability, and CI/CD pipelines to maintain high-quality, production-ready services Drive cross-team collaboration and lead initiatives in performance optimization, reliability improvements, and adoption of new t

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are seeking an exceptional and technically grounded Senior Manager, Software Development Engineering to lead our core Data Loss Prevention (DLP) engineering team within the Zero Trust Exchange department. Based in San Jose, CA, and reporting to the Senior Director, Software Development Engineering, you will lead the architecture, design, and delivery of high-throughput, low-latency DLP engines, dictionary matching systems, and intelligent content inspection pipelines running in C across FreeBSD and Linux environments. In this role, you will balance strategic leadership with deep systems rigor, bridging deterministic inspection mechanisms with next-generation Named Entity Recognition (NER) and ML models while navigating real-time inline performance trade-offs. What you'll do (Role Expectations) Manage, mentor, and grow a world-class team of systems software engineers and principal architects responsible for hi

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are looking for a Staff Software Development Engineer to join our team. This is a hybrid role, reporting to the Senior Director of Software Engineering in the Engineering department based out of Hyderabad. You will join the Engineering team that built the world’s largest cloud security platform from the ground up. What you’ll do (Role Expectations) Understand how to build and operate high scale systems Provide service and product wide architectural guidance, and drive impactful technical decisions Establish and enforce best practices for coding, testing, observability, and CI/CD pipelines to maintain high-quality, production-ready services Drive cross-team collaboration and lead initiatives in performance optimization, reliability improvements, and adoption of new technologies/tools to accelerate feature velocity Who You Are (Success Profile) You thrive in ambiguity. You're comfortable building t

About Backblaze Backblaze is the object storage leader in the open cloud movement, fueling customersuccess with cloud storage built purposefully to unlock budgets, unburden administrators, and unleash innovators. Together with our partners, we’re helping customers break free from the restrictive, overpriced legacy solutions that hold them back, and blaze forward with the full power of the open cloud in their hands. Founded in 2007, we scaled the business with less than $3 million in outside funding until 2021, when we did a traditional IPO on the Nasdaq stock exchange. Today, Backblaze generates over $100m in revenue and is the leading specialized storage cloud - managing over three billion gigabytes of data storage for 500K+ customers in 175+ countries, including businesses, developers, IT professionals, and individuals. But while there is a lot to celebrate in our past, there is almost as much opportunity ahead of us. Backblaze is seeking a Senior Technical Program Manager. Role Overview: We are seeking a Sr. Technical Program Manager to join a growing Security team, with focus on program delivery, driving portfolio management and operating model practices for Backblaze. Key Responsibilities: Lead end-to-end planning and execution of enterprise security programs (e.g., vulnerability management, incident response readiness, identity and access management, data protection, cloud security) from initiation through delivery Communicate technical security concepts and program status clearly to both technical teams and non-technical stakeholders Develop and maintain detailed program plans, timelines, budgets, and resource allocation across multiple concurrent security initiatives Identify, track, and mitigate program risks and dependencies, escalating blockers to leadership with clear options and recommendations Drive cross-functional coordination between engineering, product, legal, and third-party vendors to ensure secu

Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. The Elastic Search AI Platform, used by more than 50% of the Fortune 500, brings together the precision of search and the intelligence of AI to enable everyone to accelerate the results that matter. By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI. What is The Role Elastic Security is one of the fastest-growing parts of our business, and our customers (including government and public sector organisations) rely on our Security Solution to modernise their SOC, threat detection, and response capabilities. You will lead the hands-on delivery of Elastic Security projects (new implementations, migrations, and use-case expansions) from discovery through architecture design and build. Along the way, you'll develop trusted relationships with senior stakeholders and work closely with our Services, Engineering and Sales teams. Elastic is a remote-first company, but many of the projects you'll deliver might require onsite availability, making the role hybrid in practice, varying by project, with travel of up to 60%. Some of these engagements, given the organisations involved, also require national security screening or clearance; eligibility to obtain one in your country of employment is a strong advantage, and Elastic will sponsor the process where required. What You Will Be Doing Assess and Design Analyse customer goals, pain points, existing architecture, and threat landscape, translating them into technical requirements Design Elastic Security solution architectures (SIEM, endpoint, cloud security) that integrate with the customer's wider security ecosystem Advise on the customer's security strateg

Who is Tenable? Tenable® is the Exposure Management company. Over 40,000 organizations around the globe rely on Tenable to understand and reduce cyber risk. Our global employees support 65 percent of the Fortune 500, 50 percent of the Global 2000, and large government agencies. Come be part of our journey! What makes Tenable such a great place to work? Ask a member of our team and they’ll answer, “Our people!” We work together to build and innovate best-in-class cybersecurity solutions for our customers; all while creating a culture of belonging, respect, and excellence where we can be our best selves. When you’re part of our #OneTenable team, you can expect to partner with some of the most talented and passionate people in the industry, and have the support and resources you need to do work that truly matters. We deliver results that exceed expectations and we win together! Your Role: As Senior Product Manager for Platform Core, you will define and lead the shared foundation of Tenable Cloud Exposure and AI Exposure. You will combine deep technical expertise, strong customer relationships, and a forward-looking product vision to shape the platform’s evolution. This is a high-impact individual contributor role with broad ownership across data, access, integrations, and shared customer experiences. You will lead across product and engineering teams, identify opportunities for innovation, and turn complex customer needs into scalable capabilities that strengthen the entire platform. Your Opportunity: Define and drive the long-term vision, strategy, and roadmap for Tenable Cloud Security and AI Exposure Platform aspects , anticipating customer needs and opening new possibilities for the platform. Build close relationships with customers and prospects to understand their workflows, uncover unmet needs, and validate product direction. Lead technically complex capabilities across the unified data model, APIs, integrations, and access management, partnering with engineerin

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Job Description: Zscaler is seeking a passionate Healthcare Industry Principal Sales Engineer (PSE) to serve as a top-level technical authority and senior individual contributor. Lead the charge in healthcare innovation. As a strategic veteran, you will drive complex technical sales scenarios where Zero Trust architecture becomes the bedrock of clinical resilience. Your expertise will demonstrate how Zscaler doesn’t just secure data—it empowers providers to deliver innovation resulting in better care, faster and more securely. This role acts as a critical intersection and bridge between our customers, partners, sales teams, sales engineers, and product management - providing the deep technical expertise and strategic influence required to secure a cloud-enabled digital future. Key Responsibilities Opportunity Acceleration: Lead high-impact sales engagements and complex Proof of Values (POV) from inception to completio

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are looking for an Engineering Manager to join the ZPA engineering team. This is a hybrid role based in Hyderabad, reporting to the Senior Manager of Engineering, ZPA. You’ll lead a team of 6-8 software engineers building the world's largest cloud security platform from the ground up. What you’ll do (Role Expectations) Oversee and lead a team of engineers to develop high-quality software that is performant, scalable, reusable, extensible, secure, supportable, and reliable Lead the design and implementation of scalable, high-availability distributed systems using technologies like Kafka, Elasticsearch, Druid, Opensearch Deliver high-quality, reliable microservices and highly distributed solutions while ensuring overall system reliability Monitor system performance, troubleshoot complex issues, and optimize security to maintain high availability for critical cloud systems Collaborate with product managers and other en

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. We are looking for a Manager, Sales Engineering, based in Canada, reporting to our Senior Director, Sales Engineering. You will lead and grow the sales engineering organization for the core portfolio, including the Gen AI market, across the region in the US. You will align closely with GTM Sales Leaders, Product Management, and Engineering to execute strategic solutions and close deals for customers and partners. What you’ll do (Role Expectations) Recruit, mentor, and develop the sales engineering team Refine and scale core sales engineering processes including discovery, technical qualification, and proof-of-concept Partner with sales leadership and clients to design and present business solutions that drive revenue growth Work within a matrixed environment to promote and support the Zscaler portfolio through value-based selling Who You Are (Success Profile) You thrive in ambiguity. You're comfortable building the pa

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are looking for a Sr Software Development Engineer to join our team. This is a hybrid role, reporting to the Senior Director of Software Engineering in the Engineering department. You will join the Engineering team that built the world’s largest cloud security platform from the ground up. What you’ll do (Role Expectations) Understand how to build and operate high scale systems Provide service and product wide architectural guidance, and drive impactful technical decisions Establish and enforce best practices for coding, testing, observability, and CI/CD pipelines to maintain high-quality, production-ready services Drive cross-team collaboration and lead initiatives in performance optimization, reliability improvements, and adoption of new technologies/tools to accelerate feature velocity Who You Are (Success Profile) You thrive in ambiguity. You're comfortable building the path as you walk it, viewing d

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are looking for a Director, Engineering, Common Platform Services to join our team. This is a Hybrid (San Jose, CA office 3 days a week) role, reporting to the VP, Software Engineering in the Zero Trust Exchange department. Our Common Platform Services team spans across all Zscaler products, with a core focus on Zscaler Workflow Automation, Unified Authorization service, and other common services. You will play a pivotal role in delivering scalable, secure, and high-performing platforms and developer tooling to empower our engineering teams. Your focus will be on enhancing our platform’s efficiency, scalability, and developer experience while managing and growing senior technical talent. What you’ll do (Role Expectations) Lead large cross-functional teams to drive the technical roadmap, scale engineering talent, and guarantee operational execution Demonstrate executive presence and strong communication skills to ena

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are looking for a Sr Staff Software Development Engineer to join our team. This is a hybrid role based in Hyderabad, reporting to the Senior Manager of Software Engineering. You will join the Engineering team that built the world’s largest cloud security platform from the ground up. As a leader in our multitenant architecture, you will bring your vision and passion to help organizations worldwide harness speed and agility with a cloud-first strategy. What you’ll do (Role Expectations) Understand how to build and operate high scale systems Provide service and product wide architectural guidance, and drive impactful technical decisions Establish and enforce best practices for coding, testing, observability, and CI/CD pipelines to maintain high-quality, production-ready services Drive cross-team collaboration and lead initiatives in performance optimization, reliability improvements, and adoption of new technologies/to