About Zscaler Serving thousands of enterprise customers around the world including 40% 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 an experienced Principal Software Engineer to join our Product Security Team. Reporting to the Director, Software Engineering, you’ll be responsible for:

Designing and implementing an enterprise-wide secrets and key management strategy Integrating systems like CI/CD, cloud, Kubernetes, databases, and secrets engines Implementing secure, scalable integrations with HashiCorp Vault for seamless platform connectivity and automation Enforcing secrets management best practices, ensuring industry compliance, and driving IaC adoption for consistent deployments

What We’re Looking for (Minimum Qualifications)

10+ years in engineering/security or Infrastructure roles, with 3+ years in secrets, key, certificate management, PKI, and encryption Proficiency in at least one programming language (e.g., Java, Python, Go) Experience with identity and access management systems, authentication protocols (OIDC, SAML, etc.), and API security best practices Demonstrated experience with cloud computing platforms (AWS, Azure, GCP) and containerization technologies (Docker, Kubernetes) Experience in API design standards and best practices (OpenAPI, REST, etc) for integrating secret management systems

What Will Make You Stand Out (Preferred Qualifications)

Proficiency in public cloud security models (e.g., AWS KMS, Azure Key Vault, Google Cloud KMS), infrastructure-as-code tools (e.g., Terraform, CloudFormation, Ansible), and security automation workflows Experience implementing HashiCorp Vault or similar secrets management platforms at enterprise scale Expertise in cloud-native security, particularly around secrets management in Kubernetes environments

LI-Onsite

LI-SK3At 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.

Apply Now:

About Zscaler Serving thousands of enterprise customers around the world including 40% 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're looking for an experienced DevSecOps Engineer to join our team reporting to a Director of Engineering, you'll be responsible for:

Designing/Architecting, Implementing, and supporting end to end CI/CD systems for mission critical distributed application deployments on Zscaler Private and Public clouds such as AWS, GCP Assisting developers with merging, resolving conflicts, creating and managing pre-commit hooks and own administration for DevSecOps tools such as (GitLab, GitHub, Bitbucket, Bamboo, Jenkins, Grafana, Prometheus, Artifactory, ArgoCD/Flux, etc)  Security of the code, applications and infrastructure with a strong working experience in Security scanning (SAST/SCA/DAST) tools such as SonarQube, Snyk, BlackDuck, Coverity, CheckMarx, TruffleHog, etc Automating infrastructure provisioning and configuration (IaC) using tools like Terraform, Chef, Ansible, Puppet, etc Tracking and monitoring build metrics such as code coverage, build times, build queue times, usage/consumption for build agents, and chart them over time using tools such as Prometheus, Grafana, CloudWatch, Splunk, Loki, etc

What We're Looking for (Minimum Qualifications)

You would need a Bachelor of Engineering/Technology degree in Computer Science, Information Technology, or related field with at least 4 years hands-on experience in managing AWS, Google Cloud (GCP) and/or Private Cloud Environments Strong application development/Automation experience with one of the OOPS languages C/C++/Java/Python/GO Experience with SAST, SCA, DAST, Secret scans and familiarity with scanning tools such as SonarQube, Snyk, Coverity, BlackDuck, CheckMarx, TruffleHog, etc Experience with container orchestration technologies such as Docker, Podman, Kubernetes, EKS/GKE and proficiency in automation using tools such as Terrafrom, CloudFormation, Ansible, Chef, Puppet, etc Experience with Git and GitOps based pipelines using GitLab, GitHub, Bitbucket and CI automation tools like Jenkins, GitHub actions, Bamboo

What Will Make You Stand Out (Preferred Qualifications)

Experience writing and developing yaml based CI/CD Pipelines using GitLab, GitHub and knowledge of build tools like makefiles/gradle/npm/maven etc Experience with Networking, Load Balancers, Firewalls, Web Security Experience with AI and ML tools in day to day DevSecOps activities

LI-Onsite

LI-AC10At 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.

Apply Now:

Who are we? FalconX is a pioneering team of operators, investors, and builders committed to revolutionizing institutional access to the crypto markets. Operating at the intersection of traditional finance and 
cutting-edge technology, FalconX addresses the industry's foremost challenges: Navigating the digital asset market can be complex and fragmented, with limited products and services that support trading strategies, structures, and liquidity found in conventional financial markets. As a comprehensive solution for all digital asset strategies from start to scale, FalconX operates as the connective tissue empowering clients with seamless navigation through the ever-
evolving cryptocurrency landscape.Responsibilities

Be part of a trading systems engineering team, dedicated to building out the core trading platforms. Work closely with cross functional teams to improve the system reliability, scalability and security. Engage in and improve the infrastructure quality supporting the platform. Build and manage systems, infrastructure and applications through automation. Provide operational support to internal teams working on the platform. Work on improvements to bring in high efficiency, reduce latency, deploy systems faster. Practice sustainable incident response and blameless postmortems. Together with your engineering team, you will share an on-call rotation and be an escalation contact for service incidents. Implement and maintain rigorous security best practices across all infrastructure, with a focus on minimizing attack surface and ensuring data integrity. Monitor system health and performance with a keen eye for identifying and resolving issues before they affect trading activity.

 Minimum Qualification

Bachelors with 5+ years of working experience as Site Reliability Engineering (SRE) / Devops Engineer Strong knowledge of Linux system internals (kernels, memory management, file systems & network I/O optimization) as well as bash scripting. Proven expertise optimizing systems for lowest latency performance and productionizing trading systems, from initial concept to full deployment, including on-prem and colocation. Strong working knowledge of network communications fundamentals TCP/IP and UDP Knowledge of FIX protocol, as well as familiarity with low latency multicast with Aeron. Strong skills around observability, debugging and performance tuning, with a willingness to dive-deep to determine the root cause,  Effective communicator, with the ability to explain root causes in plain language, then outline plans and recommendations to remediate and ultimately to execute plans that systematically resolve issues. Demonstrated ability to build tools that enable rapid operational triage; leveraging logs, performance telemetry metrics and traces to make Grafana dashboards (or similar)  Strong experience deploying and managing Cloud infrastructure with providers like AWS, Azure and/or GCP (accounts, profiles, IAM roles, Policies, service classes, instance types, etc.) Strong experience adapting workloads to use Cloud Native technologies, like kubernetes and docker etc. (Dockerfile, docker-compose, helm charts, deploy manifest, ingress wiring, service mesh, etc.) Expertise using devops deployment tooling, like Github Actions, Jenkins, ArgoCD and Ansible. Hands-on experience developing in one or more programming languages: C, C++, Java, Python, or Go. Proficient in utilizing C++ build systems such as CMake and building CI/CD pipelines for trading systems. Working knowledge of key backing services like mysql, PostgresDB, Redis, MongoDB, DynamoDB, Kafka, RabbitMQ, etc.

Preferred Qualification

Extensive experience with DevOps for Deployment automation and App level support, as well as SRE and/or Linux systems Administrator for systems and infrastructure level support. Extensive experience in a Low Latency Electronic trading environment, where high performance is critical at all stages of the infrastructure, network and application design and implementation. Expertise in developing advanced observability capabilities (USE-RED signals, Tracing, front end observability etc) 

Bonus Points:

Experience with hardware acceleration technologies (FPGAs, GPUs, LPU, TPU). Experience with financial data security regulations (PCI DSS, SOC 2). Familiarity with algorithmic trading strategies and quantitative analysis concepts. Notice at Collection and Privacy Policy Applicants located in California and/or applying to a role based in California, please refer to our Notice at Collection and Privacy Policy here.   Inclusivity Statement FalconX is committed to building a diverse, inclusive, equitable, and safe workspace for all people. Our roles are intended for people from all walks of life. We encourage all those interested in applying to our organization to submit an application regardless if you are missing some of the listed background requirements, skills, or experiences! As part of our commitment to inclusivity, FalconX would like to acknowledge that the EEOC survey has limited potential responses that you can select. For legal reasons, FalconX must use this language to align with federal requirements, however, we want to ensure that you are able to provide a response to our own voluntary survey questions about your identity that best aligns with your most true self. FalconX is an equal opportunity employer and will not discriminate against an applicant or employee based on race, color, religion, national origin, ancestry, ethnicity, sex (including gender, pregnancy, sexual orientation, and gender identity), age, physical or mental disability, veteran or military status, genetic information, citizenship, or any other legally-recognized protected basis under federal, state, or local law. Applicants with disabilities may be entitled to reasonable accommodation under the Americans with Disabilities Act and other applicable state or local laws. A reasonable accommodation is a change in the way things are normally done which will ensure an equal employment opportunity without imposing undue hardship on FalconX. Please inform FalconX’s People team at email, if you need assistance with participating in the application process.

Apply Now:

About CoW DAO

CoW DAO is on a mission to protect Ethereum users from MEV and optimize trade execution across DeFi. We achieve this through the CoW Protocol, CoW Swap (a leading intent-based DEX aggregator), and the innovative MEV Blocker, which together help secure, aggregate, and route trades for optimal outcomes. We also fund values-aligned projects via the CoW Grants Program.

CoW Protocol is consistently ranked among the top DEX aggregators by monthly volume and is the largest intent-based exchange. Our MEV Blocker protects trades from harmful MEV extraction and is integrated across the Ethereum ecosystem. The CoW AMM is the only live AMM designed to protect liquidity providers from LVR (loss-versus-rebalancing).

With over 100 open-source repositories on GitHub, we’re transparent, community-driven, and deeply committed to the open-source ethos. Our real-time Dune Analytics dashboard showcases billions in cumulative trading volume and a rapidly growing user base. As we continue to scale, CoW DAO remains at the forefront of DeFi innovation, prioritizing security, efficiency, and decentralization.

Learn more

About the role

Location: We are a fully remote team, and although we hire almost globally, there is a preference for this role to be based in Europe or remote +/- 4 hours CEST time

Please note we’re not hiring from the US, Australia, or New Zealand

Position: Full-time contractor

We need a Site Reliability Engineer who’s hungry for impact, loves building things from scratch, and enjoys keeping critical infrastructure running like a well-oiled machine. You’ll be working with a team that values autonomy, ownership, and a growth mindset—if that sounds like you, keep reading! 🚀

What You’ll Do

• Keep things running smoothly – You’ll build, maintain, and optimize our Kubernetes workloads while ensuring scalable, resilient cloud infrastructure using Infrastructure-as-Code
• Build cool stuff – Automate deployments, reduce tech debt, and optimize AWS costs to improve infrastructure efficiency
• Shape the future of DevOps at CoW – Drive CI/CD workflow standards, contribute to platform architecture & security, and enhance on-call and postmortem processes to foster a strong DevOps culture
• Strengthen our blockchain infrastructure – Deploy and manage Ethereum nodes & validators, establish SLAs, and ensure high availability across our network
• Own reliability metrics – Establish SLIs/SLOs for our solver competition, RPCs, and trades; build and manage error budgets with stakeholders
• Lead operational excellence – Rotate with the on-call team, lead blameless retrospectives, and automate runbooks to continuously improve resilience
• Teach and share – We love knowledge sharing! Be ready to collaborate, mentor, and even lead a small presentation for the team
• Automate and optimize – Modify and extend Pulumi configurations for AWS, fine-tune deployments, and continuously improve alerting solutions
• Enhance observability & security – Improve logging architecture, security measures, and database health to ensure reliable infrastructure performance

Our Tech Stack

• Our SRE Stack: AWS, Kubernetes, Pulumi, Flux, Ansible, OpenSearch, Nginx, Prometheus, Grafana, Docker and Linux
• Blockchain Nodes: Erigon, Reth, Nitro

Who You Are

• Kubernetes Mastery – You’ve deployed and maintained production-grade K8s clusters before
• Cloud & DevOps Expertise – Strong experience with AWS, CI/CD, Docker, and Linux
• Blockchain Expertise? Even Better! – Experience running Ethereum nodes (or other blockchain infra) is a plus.
• On-Call Ready – You’re comfortable handling incidents and making sure things don’t break (or fixing them fast if they do!)
• Monitoring Pro – You know your way around Prometheus, Grafana, and Elasticsearch
• Database Knowledge – We use Postgres, but any database experience is a plus
• Coding Background – You’ve written production-level code in Python, Go, Rust, or similar for at least 1-2 years
• Team Player & Communicator – We’re a remote team, so documentation, knowledge sharing, and collaboration are key

What We Can Offer You

• Impact & Ownership – Your work will directly shape the future of DeFi.
• Flexibility – Remote-friendly with the option to join our Lisbon hub
• Token Plan – Be part of our mission and shape the future of CoW DAO
• Team Gatherings – Regular meetups & off-sites retreats to connect IRL.
• Well-being Learning Budget – We support your growth, mental health, active life style
• Hardware Budget – Get the setup you need to Moo 🐮

Ready to Join the Herd?

Hit that apply button and let’s chat! 🚀

Referral Program

Earn 5.000 USDC or USD with the refer-to-earn program. More details here.

Culture

Life within the CoW Protocol is an incredible adventure! We take pride in our collaborative approach, embracing autonomy and fostering a culture of big thinking and continuous growth. We value impact, ownership, simplicity, and team spirit. Plus, we’re all about feedback, coming together, and enjoying the journey along the way!

At CoW Protocol, we strive to create a space where everyone feels included and empowered. We believe that our products and services benefit from our diverse backgrounds and experiences. All qualified applicants are considered for positions regardless of race, ethnic origin, age, religion or belief, marital status, gender identification, sexual orientation, or physical ability.