About Zscaler Serving thousands of enterprise customers around the world including 45% of Fortune 500 companies, Zscaler (NASDAQ: ZS) was founded in 2007 with a mission to make the cloud a safe place to do business and a more enjoyable experience for enterprise users. As the operator of the world’s largest security cloud, Zscaler accelerates digital transformation so enterprises can be more agile, efficient, resilient, and secure. The pioneering, AI-powered Zscaler Zero Trust Exchange™ platform, which is found in our SASE and SSE offerings, protects thousands of enterprise customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Named a Best Workplace in Technology by Fortune and others, Zscaler fosters an inclusive and supportive culture that is home to some of the brightest minds in the industry. If you thrive in an environment that is fast-paced and collaborative, and you are passionate about building and innovating for the greater good, come make your next move with Zscaler. Our Engineering team built the world's largest cloud security platform from the ground up, and we keep building. With more than 100 patents and big plans for enhancing services and increasing our global footprint, the team has made us and our multitenant architecture today's cloud security leader, with more than 15 million users in 185 countries. Bring your vision and passion to our team of cloud architects, software engineers, security experts, and more who are enabling organizations worldwide to harness speed and agility with a cloud-first strategy. We are looking for a Staff Software Development Engineer to our Shared Platform Services team. Reporting to the Director of Software Engineering, you'll be responsible for:

Designing, building, and scaling our cloud data analytics platform, responsible for the ingestion, processing, and querying of terabytes of endpoint telemetry Engineering and maintaining a scalable alerting and incident detection engine using Python and workflow orchestrators Creating and managing insightful Grafana dashboards and other visualizations that provide clear, actionable views of our system’s health and performance for engineering, support, and leadership Optimizing our data platform for cost, performance, and reliability. You will own the architecture and mentor other engineers, building a system that is robust and enhanceable by the entire team

  What We're Looking for (Minimum Qualifications)

5+ years of professional experience in a data engineering, backend, or SRE role with a focus on large-scale data Expert-level proficiency in a query language like SQL or Kusto Query Language (KQL), with proven experience writing complex queries and optimizing their performance Strong programming skills in Python, particularly for data processing, automation, and building data pipelines Hands-on experience with at least one major cloud provider (Azure is highly preferred) Demonstrated experience building and managing systems for the following: big data analytics, time-series monitoring, alerting/anomaly detection, or data visualization

What Will Make You Stand Out (Preferred Qualifications)

Direct experience with our current stack: Azure Data Explorer (ADX), Grafana, and Apache Airflow Familiarity with infrastructure as code (IaC) tools like Terraform or Bicep

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 At Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure. Our Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including:

Various health plans Time off plans for vacation and sick time Parental leave options Retirement options Education reimbursement In-office perks, and more!

By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines. Zscaler is committed to providing equal employment opportunities to all individuals. We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws. See more information by clicking on the Know Your Rights: Workplace Discrimination is Illegal link. Pay Transparency Zscaler complies with all applicable federal, state, and local pay transparency rules. Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.

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OKX will be prioritising applicants who have a current right to work in Singapore, and do not require OKX's sponsorship of a visa.

Who We Are

At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom.   OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves.   Across our multiple offices globally, we are united by our core principles: We Before Me, Do the Right Thing, and Get Things Done. These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er.   OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more.

About the Opportunity

OKX is undertaking a significant global team buildout within its Internal Audit function, and we are looking for an experienced and visionary Head of Infrastructure & Developer Operations Audit. This is a unique opportunity to lead the assessment and assurance of our critical infrastructure and DevOps practices within a leading crypto organization, ensuring the highest levels of resilience, scalability, and security for our global operations. You will build and lead a high-performing audit team, drive strategic assurance initiatives, and directly impact the robust and efficient delivery of innovative crypto products and infrastructure by thoroughly assessing the organization's codebase, build, test, and release processes, as well as technical infrastructure maintenance and management.

What You’ll Be Doing 

Lead and manage a global Infrastructure & Developer Operations audit team, including hiring and developing individuals across key regions.

Drive the execution of global audit programs, specifically assessing the design and operating effectiveness of controls over infrastructure, cloud computing platforms, operating systems, networking, virtualization, containerization, storage systems, DevOps practices, and Secure CI/CD pipelines. This includes a deep dive into the codebase, build, test, and release processes.

Oversee the independent validation of IT incidents related to infrastructure and development operations, and provide critical audit support for group-wide IT certifications.

Collaborate effectively with other functional and regional Internal Audit portfolio leads to provide expert infrastructure and DevOps controls testing and assurance for integrated audits.

Develop and implement advanced audit methodologies tailored to the unique complexities of high-performance, distributed crypto systems, emphasizing the assessment of automated and secure deployments, and ongoing maintenance and management processes.

Provide strategic audit insights and independent assurance on emerging infrastructure and DevOps risks in the cryptocurrency space to senior leadership and the Audit Committee.

What We Look For In You

We are seeking a seasoned IT audit professional with demonstrable experience in independently assessing infrastructure and DevOps practices within the crypto exchange or crypto product space. The ideal candidate will possess a deep understanding of resilient and secure infrastructure principles applied to novel technical and control environments, coupled with strong leadership and analytical skills. Key Qualifications:

Prior Crypto Exchange/Crypto Product Experience is Essential.

Strong Critical Thinking and Problem-Solving Skills: Capacity to analyze complex, often novel, technical and control environments unique to crypto, identify intricate root causes of issues, and propose effective, context-specific solutions.

Fundamental Understanding of Blockchain Technology: Basic knowledge of distributed ledger technologies, consensus mechanisms (e.g., PoW, PoS), cryptography (hashing, public-key), and the lifecycle of a cryptocurrency transaction.

Data Analytics/SQL for Infrastructure & DevOps Auditing: Expert ability to analyze complex data across the entire technology stack, including CI/CD pipeline logs, git commit history, dependency manifests, configuration management logs, system logs, network flow data, infrastructure-as-code configurations, and cloud provider logs, specifically for audit purposes.

Infrastructure Auditing: Comprehensive knowledge of IT infrastructure components, with a specialized focus on independently auditing the resilience, scalability, and security of blockchain nodes, low-latency trading systems, and high-availability wallet infrastructure.

Cloud Computing Platform Auditing: Expert-level auditing of cloud infrastructure (AWS, Azure, GCP) specifically for mission-critical crypto workloads, including container orchestration (Kubernetes), serverless functions, multi-region deployments, and ensuring geo-redundancy for key assets.

Operating System (OS) Auditing (for Blockchain Nodes & Exchange Servers): Deep dive capability to assess the hardening, patching, kernel configurations, and user access controls for operating systems hosting blockchain nodes, trading engines, and critical exchange services.

Networking Auditing: Advanced knowledge of networking protocols, DDoS mitigation strategies, and the ability to audit low-latency, high-throughput network architectures essential for competitive crypto exchange operations, including peering arrangements and BGP configurations.

Virtualization & Containerization Auditing: Expertise in independently auditing virtualized environments and container orchestration platforms (Docker, Kubernetes) specifically for secure isolation of critical workloads, supply chain security for container images, and resource management to prevent denial-of-service.

Storage System Auditing: Ability to independently assess the security, integrity, availability, and immutability of storage systems (SAN, NAS, object storage) for critical blockchain data, cryptographic keys, and sensitive audit logs.

DevOps Auditing: Deep understanding of DevOps principles (e.g., build, test, release), automation, and continuous delivery with a focus on independently auditing the security and compliance of rapid, automated deployments in a high-stakes crypto environment (e.g. GitLab, GitHub, etc.)

Secure Continuous Integration/Continuous Delivery (CI/CD) Auditing: Expertise in independently auditing CI/CD pipelines for integrated security tools (SAST, DAST, SCA), automated security gates, secure artifact management, and robust deployment controls for smart contracts and exchange software. This includes assessing the codebase, build, test, and release processes.

Automation and Scripting Auditing (for Infrastructure as Code & Smart Contracts): Ability to independently assess the security and integrity of automation scripts (e.g., Python, Go, Shell), Infrastructure as Code (IaC) tools (e.g., Terraform, CloudFormation), and configuration management tools (e.g., Ansible) used to manage crypto infrastructure.

Cloud Deployment & Management Auditing (Automated & Secure): Expertise in independently auditing automated cloud provisioning, configuration, and management processes, emphasizing security best practices, least privilege, and immutable infrastructure principles for critical crypto components, as well as ongoing maintenance and management.

Agile Development Methodologies Auditing: Ability to independently assess the deep integration of security activities and controls within agile development processes, including proactive threat modeling for new features, security champions within development teams, and rigorous peer review for smart contract code.

Code Review & Secure Coding Practices: Familiarity with secure coding principles for languages commonly used in blockchain development (e.g. Solidity, Rust, Go, Python) and the ability to independently evaluate the effectiveness of code review processes for identifying operational and security flaws.

Risk Management Principles for Infrastructure & DevOps Auditing: Advanced grasp of risk identification, assessment, mitigation, and monitoring methodologies specifically tailored to the high-stakes, real-time, and often irreversible nature of crypto transactions.

Knowledge of Specific Regulatory Requirements impacting Infrastructure & DevOps: Understanding of specific regulatory requirements impacting crypto exchanges globally (e.g., anti-money laundering (AML), combating the financing of terrorism (CFT) as per FATF, sanctions compliance, specific licensing requirements for Virtual Asset Service Providers (VASPs)) and how these translate to technical controls relevant to infrastructure and DevOps.

Perks & Benefits 

Competitive total compensation package

L&D programs and education subsidy for employees' growth and development

Various team building programs and company events

Wellness and meal allowances Comprehensive healthcare schemes for employees and dependants More that we love to tell you along the process!

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Who are we?

We believe Ethereum has the potential to solve some of humanity’s most crucial coordination issues. Since our initial inception as a research group, we have sought to scale both its technology and values.

At present, the most pressing bottleneck to the growth of Ethereum is its performance and scalability. We are building the most elegant solution to this problem. We do this in the open (under an MIT open source license) because we believe in open source innovation and its ability to accelerate growth.

OP Labs contributes to the Optimism protocol, an extension to Ethereum that scales both its technology and values. Optimism enables orders of magnitude of improved performance and scalability to Ethereum while doubling down on its commitment to public goods.

The Optimism Collective leads the blockchain protocol landscape, dedicated to fostering a scalable and sustainable ecosystem. Optimism’s ethos, in sync with Ethereum's vision, tackles pivotal coordination challenges of the digital age. Optimism’s goal is to harmonize private incentives with public good, shaping a resilient future for the Internet. Optimism’s scope spans diverse areas like Gaming, DeFi, NFTs, and Enterprise.

Position Overview:

We’re looking for a tech lead to develop the platform to support the full lifecycle of protocol feature development. This encompasses all protocol developer tooling and frameworks to enable protocol engineers to ship capabilities quickly and confidently on stable foundations.

This is a critical and high-impact role responsible for driving the roadmap and delivery of capabilities that accelerate protocol feature development for both OP Labs engineering teams and the broader Collective.

What are the role responsibilities?

• Architect and implement tools, frameworks, SDKs and APIs to increase protocol development velocity and create an industry-leading protocol developer experience

• Drive the execution of the protocol developer experience roadmap in close partnership with Engineering Management, Product and Engineering stakeholders

• Act as a force multiplier for the team - drive the technical vision and architecture for protocol developer tooling and mentor other engineers

• Be highly customer-centric, partnering closely with other engineering teams and stakeholders to understand protocol developer needs and rapidly deliver impactful solutions

What skills do you bring?

• Hands-on experience with Golang, Ethereum developer tooling ecosystem (e.g., Kurtosis, Hardhat, Foundry), operational experience with Kubernetes (e.g., IaC such as Terraform) and public cloud infrastructure (e.g., GCP, AWS)

• Track-record of working collaboratively with developers to create impactful developer tools that meaningfully improve developer velocity - demonstrates strong developer empathy

• Prior experience working in the Web3 space with exposure to protocol development, either directly or in a supporting capacity

• Exhibits high agency, high ownership and pragmatism - this is someone who likes to and is capable of getting stuff done and drives impactful results

• Able to effectively balance between strategic and execution-focused contributions in a dynamic and fast-paced environment

What will you like about us?

• We take care of our employees. Competitive compensation, fully paid medical, dental, and vision, and a 4% 401K match—learn more about our benefits, culture, and all recruiting FAQ here.

• We take pride in the accomplishments of our teammates and support each other in doing the best work of our careers.

• Our team is a diverse group of people from varied backgrounds. We cherish our eclecticism and consider it a great strength.

• We’re fully remote, deeply engaged, highly skilled, and like to have fun.

• We think long-term. Our founders have been scaling Ethereum since 2015.

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