• Administración y soporte avanzado (Nivel 2-3) de entornos Microsoft on-premise, cloud e híbridos. • Gestión y resolución de incidencias complejas relacionadas con identidad, seguridad, virtualización y puesto de trabajo digital. • Administración de Active Directory, Microsoft Entra ID, ADFS y soluciones de autenticación híbrida. • Gestión y evolución de plataformas Microsoft Intune y administración de endpoints corporativos. • Operación y mantenimiento de soluciones Microsoft Defender, Defender XDR y Microsoft Sentinel. • Administración de entornos Citrix Virtual Apps & Desktops (CVAD), Citrix DaaS y Azure Virtual Desktop (AVD). • Gestión de infraestructuras virtualizadas VMware, Hyper-V y otras plataformas de virtualización. • Administración de Windows Server, Microsoft 365, Exchange, SharePoint y SCCM. • Participación en proyectos de migración, modernización tecnológica y mejora de la postura de seguridad. • Elaboración de documentación técnica, procedimientos operativos y transferencia de conocimiento. • Aplicación de buenas prácticas de seguridad, hardening y gestión de vulnerabilidades.

• Guide and support Application Support Analysts in the execution of security assignments and user provisioning activities. • Establish and maintain ownership of security classes and ensure access is granted only to authorized users based on business need. • Coordinate user-to-security template mappings and role assignments. • Develop and maintain procedures for onboarding new employees, modifying access for role changes, and deprovisioning terminated users. • Create standardized processes for login authorization, password issuance, and security onboarding. • Develop approval workflows and governance processes for creating or modifying security roles. • Collaborate with technical and application teams to understand security infrastructure and role-based access templates. • Develop familiarity with operational and clinical workflows to align security templates with job responsibilities. • Map provider-related data elements to provider records based on provider classifications. • Process inbound and outbound files related to employee and provider databases, including EMP and SER records. • Generate and review daily, weekly, and monthly security audit reports. • Provide Level 2 support for enterprise application and data security incidents and requests. • Assist leadership with additional security initiatives and special projects as assigned. • Accurately process large volumes of provider and user data while meeting established service-level expectations. • Gather, analyze, document, and validate business and system requirements. • Translate business needs into functional specifications and detailed test plans. • Serve as the liaison between business stakeholders, development teams, and third-party vendors. • Analyze and document current and future-state business processes and workflows. • Support issue identification, tracking, reporting, and timely resolution. • Assist with project planning, scheduling, resource coordination, and change management activities. • Produce regular status reports detailing milestones, risks, dependencies, and project progress. • Facilitate meetings, workshops, and stakeholder communications to support successful project delivery.

Role Description As a Network Security Engineer at Zensar, you will be responsible for: - Designing and implementing secure network solutions. - Monitoring network traffic for suspicious activity. - Conducting vulnerability assessments and penetration testing. - Responding to security incidents and breaches. - Collaborating with cross-functional teams to enhance security posture. Qualifications - Bachelor's degree in Computer Science, Information Technology, or a related field. - Relevant certifications (e.g., CISSP, CISM, CEH). - Proven experience in network security engineering. - Strong understanding of firewalls, VPNs, IDS/IPS, and other security technologies. Requirements - Excellent problem-solving skills and attention to detail. - Ability to work independently and as part of a team. - Strong communication skills, both verbal and written. - Willingness to stay updated on the latest security trends and threats. Benefits - Competitive salary and performance-based bonuses. - Comprehensive health and wellness benefits. - Opportunities for professional development and training. - Flexible work arrangements.

Role Description We are partnering with a leading blockchain infrastructure company that is building secure, scalable, and enterprise-grade distributed ledger technology powering next-generation Web3 applications. As the platform expands its protocol capabilities, smart contract ecosystem, and cross-chain infrastructure, the security team is seeking a highly skilled Product Security Engineer to proactively identify vulnerabilities, strengthen protocol security, and protect critical blockchain systems before they reach production. What You'll Do - Conduct end-to-end security assessments across blockchain protocols, smart contracts, cryptographic systems, and infrastructure. - Identify real-world vulnerabilities through manual review, adversarial testing, and proof-of-concept exploit development. - Design and execute security testing strategies for protocol components, cross-chain bridges, and distributed systems. - Lead threat modeling exercises and security architecture reviews. - Define and enforce security gates throughout the software development lifecycle. - Collaborate closely with engineering teams to prioritize and remediate security risks. - Build and improve security tooling, fuzzing frameworks, and CI/CD security automation. - Research emerging Web3 attack vectors and proactively mitigate potential threats. Qualifications - Strong hands-on experience in vulnerability discovery and security testing across blockchain systems. - Proven ability to identify real vulnerabilities beyond automated scanning tools. - Experience performing threat modeling and security architecture reviews. - Deep understanding of blockchain security, smart contracts, nodes, APIs, and distributed systems. - Experience assessing cryptographic protocols, trust models, or cross-chain infrastructure. - Strong knowledge of applied cryptography and modern security principles. - Ability to audit and review Rust and/or Java codebases. - Understanding of memory safety, secret management, and secure software development practices. Requirements - Experience developing fuzzing infrastructure or advanced security testing frameworks. - Experience with static analysis, dynamic analysis, and automated security tooling. - Background in consensus-layer security or blockchain protocol development. - Experience auditing cross-chain bridges. - Knowledge of threshold signature systems, multisig architectures, and oracle security. - Experience integrating AI-assisted workflows into security review processes. Benefits - Competitive compensation package - Fully remote work environment - Opportunity to work on cutting-edge blockchain infrastructure - Exposure to advanced cryptography and distributed systems - High-impact role protecting critical Web3 technology at scale - Work alongside world-class engineers and security researchers Company Description Ant-tech is a reputable headhunter agency in France, specializing in providing high-quality recruitment services for companies across various industries. With a team of experienced professionals and an extensive network of partners, Ant-tech connects talented candidates with organizations in need, particularly in the technology, finance, and other sectors. Committed to delivering optimal recruitment solutions, Ant-tech focuses not only on finding the right talent but also ensuring long-term and sustainable growth for both candidates and partner companies.