• Design and build distributed systems that tolerate latency, bandwidth constraints, and intermittent connectivity. • Implement fault-tolerant communication strategies, retry logic, backpressure, caching, and eventual consistency patterns. • Write maintainable, resilient, and tested code following development standards and methodologies. • Debug and improve system behavior, including networking and distributed coordination issues. • Contribute to systems written primarily in Rust. • Work with system-level concerns including scheduling, memory management, I/O optimization, storage hierarchy management, and system reliability. • Optimize performance and memory usage in resource-constrained environments. • Debug concurrency issues and distributed coordination challenges. • Design and maintain APIs and communication layers between distributed components. • Identify and reduce tight coupling across services and systems. • Diagnose and resolve cross-system failures in production environments. • Design and implement secure, reliable solutions aligned with engineering standards. • Collaborate with engineers and computer scientists on operating systems internals, compiler internals, fault tolerance, file system architecture, and trusted systems. • Contribute to resolving architectural and systemic issues. • Continue developing expertise in distributed systems, HPC infrastructure, and related tooling.

• Lead, mentor, and grow a team of blockchain security engineers. • Define and evolve the blockchain security strategy and roadmap. • Serve as a trusted security partner to product, protocol, and infrastructure teams. • Lead threat modeling and architecture reviews for on-chain systems. • Perform and guide security reviews and audits of smart contracts (Solidity, Rust/Solana) and backend services and supporting infrastructure. • Design and implement reusable security controls, patterns, and reference architectures. • Support secure deployment of cloud-native infrastructure (containers, Kubernetes). • Research emerging blockchain threats, exploits, and mitigations, and translate them into actionable controls. • Embrace and champion the thoughtful adoption of AI to improve team performance and business outcomes. • Leverage AI tools (e.g., generative AI, automation platforms, data copilots) to improve productivity, decision-making, and output quality in your day-to-day work.

Role Description The Sr. Systems Engineer is responsible for the design, implementation, administration, and support of the organization’s digital workplace and collaboration platforms, with a primary focus on Microsoft 365 and related services. This role helps improve system reliability, user experience, security, and operational efficiency by delivering scalable solutions, supporting core platforms, and partnering with cross-functional teams to meet business needs. - Systems Administration & Support: Administer, support, and improve Microsoft 365, Exchange Online, Teams, SharePoint, OneDrive, and related collaboration services. - Solution Delivery: Implement and maintain technical solutions that meet business and operational needs, including platform configuration, service enhancements, and system integrations. - Security & Compliance: Apply and maintain security controls such as MFA, Conditional Access, DLP, and other Microsoft 365 security features in partnership with security teams. - Automation & Efficiency: Use scripting and automation tools, such as PowerShell and Power Platform, to streamline administration, reporting, and routine operational tasks. - Identity & Device Management: Support identity and access management processes across Active Directory, Entra ID, and endpoint management solutions such as Microsoft Intune. - Messaging & Collaboration: Support enterprise messaging and collaboration platforms to ensure secure, reliable, and efficient communication across the organization. - Operational Support: Provide advanced troubleshooting and tier-3 support for platform issues, participate in root cause analysis, and contribute to service stability and continuous improvement. - Documentation & Collaboration: Maintain technical documentation, standard procedures, and knowledge articles, and communicate effectively with technical teams, business partners, and end users. Qualifications - 5+ years of experience supporting Microsoft 365, Exchange Online, or related enterprise collaboration platforms. - Experience administering enterprise systems in a medium to large environment. - Experience with messaging, identity, endpoint management, or collaboration technologies. - Experience supporting production systems, troubleshooting incidents, and implementing improvements. Requirements - Technical Skills: - Strong working knowledge of Microsoft 365 services, including Exchange Online, Teams, SharePoint, and OneDrive. - Experience with Active Directory, Entra ID, and identity/access administration. - Familiarity with Microsoft security and compliance capabilities, such as MFA, Conditional Access, and DLP. - Experience with PowerShell or similar scripting tools for administration and automation. - Experience with Microsoft Intune or other endpoint management platforms is preferred. - Working knowledge of Windows server environments and enterprise support processes. - Professional Skills: - Strong troubleshooting, analytical, and problem-solving skills. - Effective verbal and written communication skills. - Ability to manage priorities, work independently, and collaborate across teams. - Commitment to customer service, documentation, and continuous improvement. Education & Certification - Education: Bachelor’s degree in Information Technology, Computer Science, Information Systems, or a related field is preferred. Equivalent combination of education and relevant experience will also be considered. - Certifications: Microsoft 365, Azure, Intune, or related technical certifications are preferred but not required. Benefits - This opportunity is not just about what you do today but also about where you can go tomorrow. - Continuous opportunities to upskill, earn promotions, and elevate your career. - Core values of Hunger, Heart, and Harmony guide everything we do.

Role Description We are looking for a highly skilled Senior Blockchain Engineer to join our engineering team and help design, build, and scale secure blockchain-based products. The ideal candidate has strong experience in smart contract development, blockchain protocols, decentralized applications, and backend systems. You will work closely with product, engineering, and security teams to develop robust Web3 solutions, contribute to technical architecture, and ensure our blockchain infrastructure is secure, scalable, and reliable. Key Responsibilities - Design, develop, test, and deploy smart contracts and blockchain-based applications. - Build and maintain decentralized applications, blockchain integrations, and backend services. - Work with blockchain networks such as Ethereum, Polygon, Solana, BNB Chain, Avalanche, or similar ecosystems. - Review and optimize smart contracts for security, gas efficiency, and performance. - Collaborate with frontend, backend, product, and security teams to deliver high-quality Web3 products. - Participate in architecture decisions and contribute to technical strategy. - Integrate wallets, token standards, DeFi protocols, NFTs, DAOs, or other blockchain infrastructure as needed. - Write clean, maintainable, well-documented code. - Conduct code reviews and mentor junior engineers. - Stay current with emerging blockchain technologies, security standards, and industry best practices. Qualifications - 5+ years of professional software engineering experience. - 3+ years of hands-on blockchain or Web3 development experience. - Strong experience with Solidity, Rust, Go, or other blockchain-related programming languages. - Experience developing and deploying smart contracts on mainnet or testnet environments. - Strong understanding of blockchain concepts, including consensus mechanisms, wallets, private keys, transactions, gas fees, bridges, and token standards. - Experience with frameworks and tools such as Hardhat, Foundry, Truffle, Web3.js, Ethers.js, Anchor, or similar. - Solid backend development experience using Node.js, TypeScript, Go, Python, or similar technologies. - Strong understanding of security best practices for smart contracts and decentralized systems. - Experience with Git, CI/CD workflows, APIs, databases, and cloud infrastructure. - Excellent problem-solving, communication, and teamwork skills. Nice to Have - Experience with DeFi, staking, tokenomics, NFT platforms, Layer 2 solutions, or cross-chain protocols. - Familiarity with smart contract audits and formal verification. - Open-source contributions in the blockchain or Web3 ecosystem. - Experience with indexing tools such as The Graph. - Knowledge of zero-knowledge proofs, account abstraction, MEV, or rollup technologies. - Previous experience working in a startup or fast-paced product environment. Benefits - Competitive salary and performance-based incentives. - Flexible working environment. - Opportunity to work on innovative blockchain and Web3 products. - Collaborative and growth-focused team culture. - Professional development and learning opportunities. - The chance to make a meaningful impact in a rapidly growing industry. How to Apply Please submit your resume, GitHub profile, portfolio, or examples of previous blockchain projects. We would love to hear about smart contracts, protocols, or Web3 applications you have built or contributed to. Join us and help build the future of decentralized technology.