Calix delivers a broadband platform and managed services that enable our customers to improve life one community at a time. We’re at the forefront of a once in a generational change in the broadband industry. Join us as we innovate, help our customers reach their potential, and connect underserved communities with unrivaled digital experiences. This is the Calix mission - to enable CSPs of all sizes to Simplify. Innovate. Grow. To learn more, visit the Calix web site at www.calix.com To learn more about our international job opportunities, please visit our International Careers Page If you are a person with a disability needing assistance with the application process please: Email us at calix.interview@calix.com; or Call us at +1(408) 514-3000.

Calix

Staff Kubernetes Engineer

Sales Director, Major Accounts (Open Access)

Lab Network Technician

Senior Commercial Solutions Manager

Staff Software Engineer - Cloud Platform

Staff Software Engineer, AI/ML

Staff ML Ops Engineer

Key Accounts Sales Manager

Principal Network Security Engineer (Cloud)

Calix is seeking a Staff Kubernetes Administrator to join their Product Engineering Infrastructure team. This role involves delivering critical infrastructure services for next-generation networking and SaaS products. The ideal candidate will have deep expertise in Kubernetes administration, Linux systems, networking, security, and virtualization. Key responsibilities include modernizing infrastructure, migrating workloads to Google Kubernetes Engine (GKE), establishing Kubernetes best practices, and ensuring secure, highly available systems. The role also involves mentoring junior administrators and collaborating with development and product teams.

Area Vice President - Major Accounts

Calix is seeking a Staff Kubernetes Administrator to join our high-performing Product Engineering Infrastructure team. This team delivers critical infrastructure services to support the development of next-generation networking and SaaS products. The ideal candidate has deep expertise in Kubernetes administration, Linux systems (Ubuntu/Red Hat), networking, security, and virtualization. You will play a key role in modernizing our infrastructure and migrating workloads to Google Kubernetes Engine (GKE) while ensuring our systems are secure and highly available.This Staff Kubernetes Administrator role is critical to our team’s success. If you are passionate about Kubernetes, cloud technologies, and mentoring others in a fast-paced environment, we encourage you to apply and help us drive our infrastructure to the next level.In this role, you will establish Kubernetes best practices and processes as we build out this capability. You will work closely with software development and product teams to deploy and support Kubernetes clusters on-premises and in the cloud (GCP). You will ensure our Kubernetes environments are secure, performant, and aligned with business needs. Additionally, you will mentor junior administrators and help develop the team’s Kubernetes skill set and operational practices.Responsibilities<ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Design, deploy, and maintain Kubernetes clusters in on-premises environments and in Google Cloud (GKE), ensuring scalable and reliable infrastructure.</li><li class="leading-relaxed">Lead the migration of containerized workloads from on-premises Kubernetes to GKE, with minimal downtime and optimal performance.</li><li class="leading-relaxed">Implement and enforce Kubernetes security best practices, including RBAC access controls, network policies, secrets management, and vulnerability scanning.</li><li class="leading-relaxed">Architect and support microservices and serverless applications on Kubernetes using cloud-native patterns and tooling.</li><li class="leading-relaxed">Develop and maintain Infrastructure as Code (IaC) using tools like Terraform and Helm, and employ GitOps workflows for automated deployments.</li><li class="leading-relaxed">Monitor and optimize cluster performance and availability, using observability tools (Prometheus, Grafana, ELK/EFK, etc.), and ensure high uptime through auto-scaling and resiliency best practices.</li><li class="leading-relaxed">Participate in incident response and troubleshooting to quickly resolve issues across the Kubernetes stack (applications, containers, nodes) and perform root cause analysis.</li><li class="leading-relaxed">Mentor and coach junior administrators and engineers, sharing Kubernetes best practices and fostering a culture of continuous learning.</li><li class="leading-relaxed">Collaborate cross-functionally with development, security, and other infrastructure teams to ensure Kubernetes platform alignment with application needs and security standards.</li><li class="leading-relaxed">Document configurations, procedures, and processes for Kubernetes environments to support knowledge transfer and consistency.</li></ul>Required Qualifications & Skills<ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">8-10 years of IT infrastructure experience, including 4+ years managing production Kubernetes clusters.</li><li class="leading-relaxed">Expertise in Linux systems administration, especially Ubuntu and Red Hat (or CentOS) systems, including strong shell scripting and system troubleshooting skills.</li><li class="leading-relaxed">Strong knowledge of container networking and services – e.g., CNI plugins, ingress controllers, DNS, load balancing, and service mesh (Istio or similar).</li><li class="leading-relaxed">Deep understanding of Kubernetes security models and best practices (RBAC, network policies, CIS benchmarks, etc.).</li><li class="leading-relaxed">Proficiency with Infrastructure as Code tools (Terraform, Helm) and experience with CI/CD pipelines and GitOps workflows for Kubernetes deployments.</li><li class="leading-relaxed">Experience with monitoring and logging tools for Kubernetes (Prometheus, Grafana, Fluentd/ELK or similar) and the ability to interpret metrics/logs to maintain system health.</li><li class="leading-relaxed">Excellent communication and interpersonal skills, with the ability to work collaboratively and explain complex concepts to various stakeholders.</li><li class="leading-relaxed">Strong problem-solving abilities and capability to work independently, managing priorities in a dynamic environment.</li><li class="leading-relaxed">Bachelor’s degree in Computer Science or related field (or equivalent experience).</li><li class="leading-relaxed">Willingness to support off-hours needs (occasional meetings with offshore teams) and travel if required.</li></ul>Desired Skills<ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Certifications: Relevant industry certifications such as Certified Kubernetes Administrator (CKA) or CKS, and cloud certifications (Google Cloud Professional Architect, GKE specialization) or Linux certifications (RHCSA/RHCE).</li><li class="leading-relaxed">Hybrid/Cloud Experience: Experience with hybrid cloud or multi-cluster Kubernetes environments and cloud networking.</li><li class="leading-relaxed">Security & Automation Tools: Familiarity with container security platforms (e.g., Aqua, Prisma, Sysdig) and configuration management/automation tools (Ansible, Puppet, Chef, Python/Bash scripting).</li><li class="leading-relaxed">Methodologies: Exposure to IT service management (ITIL practices) and Agile/Scrum development methodologies.</li><li class="leading-relaxed">Innovative Mindset: A security-first and automation-first mindset; enthusiasm for adopting new technologies (e.g., AI-assisted operations, advanced monitoring techniques) to continuously improve our infrastructure operations.</li></ul>The base pay range for this position varies based on the geographic location. More information about the pay range specific to candidate location and other factors will be shared during the recruitment process. Individual pay is determined based on location of residence and multiple factors, including job-related knowledge, skills and experience.San Francisco Bay Area:156,400 - 265,700 USD AnnualAll Other US Locations:136,000 - 231,000 USD AnnualAs a part of the total compensation package, this role may be eligible for a bonus. For information on our benefits click <a href="https://www.calix.com/careers.html#benefits" target="_blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">here</a>.

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ShareFile

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Progress (Nasdaq: PRGS) is a trusted software provider enabling customers to develop, deploy, and manage AI-powered applications. We are seeking a Full Stack Engineer to join our diverse, global team. This role involves developing innovative features across the full stack, from UI to back-end services, using cutting-edge technologies. You will collaborate with product managers, designers, and QA engineers, participate in code reviews, and work in an agile environment with two-week sprints. The position focuses on enhancing tools like Fiddler Everywhere, which is crucial for building, debugging, and delivering high-quality applications in the era of AI-powered software.

Welcome to ShareFile, where simplicity meets efficiency! Our easy-to-use technology streamlines document and client-facing workflows. By delivering more efficiency, ease, and collaboration, our solution helps you delight clients and focus on work that matters. With our world-class security, you don’t have to sacrifice data protection for more productivity. Learn more at sharefile.com Welcome to ShareFile, where simplicity meets efficiency! Our easy-to-use technology streamlines document and client-facing workflows. By delivering more efficiency, ease, and collaboration, our solution helps you delight clients and focus on work that matters. With our world-class security, you don’t have to sacrifice data protection for more productivity. Learn more at sharefile.com&nbsp;

Inside Partner Account Manager

<h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Job Summary</h2>We are Progress (Nasdaq: PRGS) - the trusted provider of software that enables our customers to develop, deploy and manage responsible, AI-powered applications and experiences with agility and ease.We’re proud to have a diverse, global team where we value the individual and enrich our culture by considering varied perspectives because we believe people power progress. Join us as a Full Stack Engineer and help us do what we do best: propelling business forward.In the era of AI-powered software, where agents, LLM applications, and workflow automation rely heavily on APIs, tools like <a href="https://www.telerik.com/download/fiddler-everywhere" target="_blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">Fiddler Everywhere</a> have become essential. Used by more than 150,000 developers each month, Fiddler enables teams to build, debug, and deliver high-quality applications with confidence. If you’re passionate about modern technologies and creating tools that make developers’ lives easier, this is your opportunity to make a meaningful impact.In this role you will:<ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Develop new and innovative features, often requiring creativity, research, and problem-solving to address complex technical challenges.</li><li class="leading-relaxed">Work across the full stack—from front-end UI to back-end services—using cutting-edge technologies.</li><li class="leading-relaxed">Collaborate with product managers, designers, and QA engineers to deliver high-quality releases.</li><li class="leading-relaxed">Participate in code reviews, to provide high-quality, maintainable code.</li><li class="leading-relaxed">Work in an agile environment, following two-week sprints and frequent release cycles that keep the team focused and flexible.</li></ul>Your background:<ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Proven experience as a Full Stack Engineer (or similar role).</li><li class="leading-relaxed">Strong proficiency in C#/.NET and JavaScript/TypeScript.</li><li class="leading-relaxed">Hands-on experience with Angular or similar front-end framework.</li><li class="leading-relaxed">Solid experience with version control systems (preferably Git) and peer code reviews</li><li class="leading-relaxed">Familiar with Object Oriented Design and Architecture, as well as Design patterns</li><li class="leading-relaxed">Smart, friendly team player, and you enjoy working with others to pursue a common goal</li><li class="leading-relaxed">Fluent English – both verbal and written</li></ul>Additionally, it would be beneficial if you have:<ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Experience with research and solving tough challenges</li><li class="leading-relaxed">Experience with different operating systems – macOS, Windows and Linux.</li><li class="leading-relaxed">Knowledge of network protocols</li><li class="leading-relaxed">Interest or experience in AI technologies. Familiarity with tools like GitHub Copilot.</li><li class="leading-relaxed">Bachelor/Master’s degree in computer science or related area</li></ul>If this sounds like you and fits your experience and career goals, we’d be happy to chat.What we offer in return is the opportunity to experience a great company culture with wonderful colleagues to learn from and collaborate with and also to enjoy:<h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Compensation</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Generous remuneration package</li><li class="leading-relaxed">Employee Stock Purchase Plan Enrollment</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Vacation, Family, and Health</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">30 days paid annual vacation</li><li class="leading-relaxed">An extra day off for your birthday</li><li class="leading-relaxed">2 additional days off for volunteering</li><li class="leading-relaxed">Premium healthcare and dental care coverage</li><li class="leading-relaxed">Additional pension insurance</li><li class="leading-relaxed">Well-equipped gym on-site with CrossFit equipment and a climbing wall</li><li class="leading-relaxed">Co-funded Multisport card</li><li class="leading-relaxed">Daycare Center for your little ones onsite</li><li class="leading-relaxed">Flexible working hours and work-from-home allowance</li><li class="leading-relaxed">Free underground parking with a designated space for bikes and electric scooters</li></ul>#LI-DG1#LI-Hybrid<h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Together, We Make Progress</h2>Progress is an inclusive workplace where opportunities to succeed are available to everyone. As a multicultural company serving a global community, we encourage a wide range of points of view and celebrate our diverse backgrounds. Our unique combination of perspectives inspires innovation, connects us to our customers and positively affects our communities. It is only by working together and learning from each other that we make Progress. Join us!<a href="https://www.progress.com/company/careers#open-positions" target="_blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">View all open positions</a>

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This assessment gives us an idea of your C++ skills- Companies that evaluate this skillset in interviews: Rockstar Games, Ubisoft, Mayhem Studios, etc.- 10 Multiple Choice questions- Average time to complete: 7 to 10 minutes

Let's assess your Data Structures! - This assessment gives us an idea of your problem solving skills using DSA- Companies that evaluate this skillset in interviews: MPL, LILA Games, GSN Games, etc.- 10 Multiple Choice questions

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Object Oriented Programming

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