Who We Are: SiriusXM and its brands (Pandora, SiriusXM Media, AdsWizz, Simplecast, and SiriusXM Connect) are leading a new era of audio entertainment and services by delivering the most compelling subscription and ad-supported audio entertainment experience for listeners -- in the car, at home, and anywhere on the go with connected devices. Our vision is to shape the future of audio, where everyone can be effortlessly connected to the voices, stories and music they love wherever they are. This is the place where a diverse group of emerging talent and legends alike come to share authentic and purposeful songs, stories, sounds and insights through some of the best programming and technology in the world. Our critically-acclaimed, industry-leading audio entertainment encompasses music, sports, comedy, news, talk, live events, and podcasting. No matter their individual role, each of our employees plays a vital role in bringing SiriusXM’s vision to life everyday. SiriusXM Media is the gateway for marketers to the largest digital audio advertising ecosystem in North America. As the combined advertising revenue organization of Sirius XM Holdings Inc., SiriusXM Media spans across leading owned and operated audio platforms Pandora and SiriusXM; innovative ad tech solutions powered by AdsWizz; sonic creative consultancy Studio Resonate; and an extended content network featuring exclusive monetization agreements with Audiochuck, NBCUniversal, SoundCloud, and many more. Reaching more than 150 million listeners each month, SiriusXM Media delivers audiences the tailored brand experiences they crave while putting creators first, making it easy for every marketer to produce, plan, buy and measure across its entire audio universe. AdsWizz, a subsidiary of SiriusXM, is the leading global provider of digital audio and podcast advertising solutions. AdsWizz is the underlying monetization solution for well-known music platforms, podcasts, and broadcasting groups worldwide, giving advertisers or all sizes unprecedented access to premium and niche audio content. Through dynamic ad insertion, advanced programmatic platforms, and innovative audio formats, AdsWizz efficiently connects buyers and sellers for digital audio and podcast advertising. AdsWizz is a global company with a presence in over 40 countries. How you’ll make an impact: The Staff Quality Engineer is a senior technical leader responsible for defining, implementing, and scaling test frameworks, automation strategies, and quality engineering best practices across multiple product domains. This role oversees complex quality initiatives, mentors other engineers, and influences decisions that shape the overall QE strategy for SiriusXM’s media platforms. The ideal candidate brings deep technical expertise, strong leadership, and a proven record of building scalable test frameworks, improving quality processes, and driving innovation in automation, performance, and CI/CD systems. What you’ll do - Lead Quality Engineering across multiple projects, overseeing framework design, automation strategy, and execution. - Architect, develop, and maintain scalable testing frameworks (UI, API, and backend) using Playwright, Selenium, and REST Assured. - Drive quality governance and standardization of automation practices across teams. - Review and approve QE code contributions, providing technical feedback on design, extensibility, and maintainability. - Lead performance and reliability testing, developing frameworks to measure key performance metrics and identify bottlenecks. - Collaborate cross-functionally with Product, Development, and DevOps to define and implement comprehensive testing strategies. - Analyze test results and system performance; use data to drive process improvements and product optimizations. - Act as a QE subject matter expert in architectural discussions and major technical initiatives. - Contribute to building and maintaining CI/CD pipelines (GitLab, Jenkins), optimizing build efficiency and test integration. - Mentor and guide QE engineers, elevating technical maturity and quality culture across teams. - Stay informed on emerging testing tools, frameworks, and methodologies, and lead the adoption of those that improve efficiency and scalability. What you’ll need: Minimum Qualifications - Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field. - 8+ years of experience in Quality Engineering or Software Development in Test. - Expertise in automation framework design and architecture (Playwright, Selenium, REST Assured, or equivalent). - Strong programming skills in Java. - Experience with performance testing, API test automation, and CI/CD integration (GitLab, Jenkins). - Proficiency in cloud-based testing environments (AWS, GCP). - Experience with Docker/Kubernetes, SQL, and NoSQL databases. - Strong problem-solving, analytical, and communication skills. - Demonstrated leadership in driving process improvements, mentoring engineers, and influencing technical direction. Preferred Skills and Experience - Experience with Ads and Media domain systems. - Experience leading cross-functional QE initiatives in large-scale distributed environments - Familiarity with data pipelines and service monitoring tools - Test data management, performance benchmarking, and cloud-native QA solutions. - Must have a legal right to work in the U.S. Our goal at SiriusXM is to provide and maintain a work environment that fosters mutual respect, professionalism and cooperation. SiriusXM is an equal opportunity employer that does not discriminate on the basis of actual or perceived race, creed, color, religion, national origin, ancestry, alienage or citizenship status, age, disability or handicap, sex, gender identity, marital status, familial status, veteran status, sexual orientation or any other characteristic protected by applicable federal, state or local laws. The requirements and duties described above may be modified or waived by the Company in its sole discretion without notice. #LI-RE1 R-2025-11-98

Role Description We are seeking a deeply experienced cryptography engineer to lead security-critical work across ZODL’s protocol, specifications, and core infrastructure. This role is responsible for: - Reviewing and shaping the cryptographic foundations of Zcash-related software, ensuring correctness, privacy guarantees, and long-term protocol integrity. - Acting as a technical authority on cryptography and protocol design, working across specifications, implementations, and external collaborations. - Leading cryptographic reviews and audits of specifications and implementations across ZODL projects. - Performing security and privacy reviews of protocol changes, wallet flows, and cross-chain integrations. - Contributing to and reviewing Zcash protocol specifications (ZIPs) and internal design documents. - Identifying and mitigating privacy leaks, cryptographic weaknesses, and edge-case vulnerabilities. - Collaborating with engineers to ensure correct implementation of cryptographic primitives. - Participating in protocol design and evolution, including new features and upgrades. - Working with external researchers, auditors, and the broader Zcash ecosystem. - Guiding internal teams on best practices for cryptography and security architecture. - Responding to and helping coordinate security incidents and disclosures. The Core Engineer will report to the Head of Engineering. The Engineering Team now encompasses both Core and Zodl wallet development. Although this role will primarily involve the former, you will also be collaborating closely with developers working on the Zodl wallet. Qualifications - A commitment to our users’ privacy, and to the cypherpunk ethos of empowering freedom and autonomy by making secure, well-designed cryptography more widely accessible. - Deep expertise in applied cryptography. - Strong understanding of zero-knowledge proofs, especially in the context of Zcash (e.g. Sapling, Orchard). - Experience reviewing or designing cryptographic protocols. - Proven experience conducting security audits or formal reviews. - Strong ability to reason about privacy guarantees and threat models. - Experience working with technical specifications and protocol design docs. - Familiarity with Rust or ability to review Rust implementations. Requirements - Prior contributions to Zcash, ZIPs, or related ecosystems. - Experience with zk-SNARKs / Halo / PLONK-like systems. - Background in formal verification or high-assurance systems. - Public track record (papers, audits, open-source contributions). Key Traits - Paranoid (in a good way) about privacy leaks. - Extremely detail-oriented. - Comfortable saying “this is not safe to ship.” - Able to translate complex cryptography into actionable guidance.

Role Description We are seeking a pragmatic, high-output Rust engineer to build and maintain ZODL’s core infrastructure and wallet stack. This role focuses on shipping secure, reliable systems while collaborating closely with protocol and cryptography experts. - Build and maintain Zallet (our CLI wallet) and Zcash’s Rust-based core libraries - Implement protocol features based on existing specifications and guidance - Develop and maintain specifications to enhance, document, and support security analysis of the Zcash protocol, either led by ZODL or in collaboration with third-party developers - Develop wallet infrastructure and features - Improve performance, reliability, and developer ergonomics of core systems - Support downstream teams (e.g. Zodl mobile) with developing features, and investigating issues - Participate in code reviews, testing, and release processes - Respond to bugs and security issues with urgency Qualifications - Experience with Rust, and with developing secure and reliable code in modern programming languages similar to Rust, Swift, Kotlin, and Go - Experience building reliable, secure backend or systems-level software - Ability to work from technical specifications - Solid understanding of security fundamentals - Experience with testing, debugging, and performance optimization - Comfortable working in a fast-moving startup environment - Experience with cryptography libraries or blockchain systems - Familiarity with Zcash concepts - Experience with mobile-integrated backends or SDKs - Open-source contributions Requirements - Deep knowledge of cryptography is not required, but a willingness to learn and an appreciation for the importance of security are essential Key Traits - Pragmatic and delivery-focused - Strong ownership and accountability - Knows when to ask for review vs. push forward - Comfortable operating with incomplete information

Role Description As a Google Workspace Customer Engineer at Insight, your role demands close, proactive collaboration and seamless, professional interaction with a variety of internal and external stakeholders. Externally, this includes Insight's diverse and valued customer base, where you serve as a technical expert supporting and leading conversations with our sales teams. - Maintain a strong and strategic working relationship with key partners, notably the Google sales and professional services teams. - Collaborate with Insight's Sales, Project Management, Change Management, and technical delivery teams to ensure project alignment and successful execution. - Engage with customers daily throughout the sales cycle—from initial qualification and kickoff to communication of progress and final closure. - Collaborate with a diverse group of stakeholders, including technical project managers, engineers, and executive leadership. - Provide technical pre-sales support by analyzing the technical landscapes and commercial hurdles of potential clients. - Deliver impactful live demonstrations, technical presentations, and in-depth architectural reviews for potential clients. - Support the sales process by outlining project requirements and calculating necessary technical resources. - Cultivate professional relationships and establish authority with client-side technical leaders. Qualifications - Proven experience in a customer-facing role (5+ years). - Comprehensive understanding of the Google Workspace ecosystem. - Experience in identifying customer problems, technical objections, and use cases. - Associate Google Workspace Administrator certification to be completed within the first 45 days of employment. - Google Cloud Digital Leader certification to be completed within the first 6 months of employment. - Google Generative AI Leader certification to be completed within the first year of employment. Requirements - Experience with AI platforms, particularly agentic AI capabilities, for automating business processes. - Understanding how to secure cloud environments, prevent data loss, and set data handling policies through the Admin console. - Proficiency in migrating mail and files from competitor platforms to Google Workspace. - Proficiency in Google to Google migrations using traditional migration methods and Google's Domain Transfer Tool. - Deep understanding of Microsoft 365 architecture and its associated services. - Experience in replying to the technical parts of RFPs and RFIs. - Ability to work with Sales Specialists, Marketing, and Customer Success teams to create account strategies. - Experience presenting to and influencing technical stakeholders. - Ability to solve technical problems and adjust solutions for different customer environments. - Ability to explain complex technical information clearly. - Knowledge of cloud platforms including AODocs, Okta, JumpCloud, M.io, Omnissa, CloudFuze, and CloudM. Benefits - Opportunities to upskill, earn promotions, and elevate your career. - Support for you and your family, and engagement with your local community.