About Atos Group Atos Group is a global leader in digital transformation with c. 56,000 employees and annual revenue of c. €7.2 billion (at the go-forward perimeter), operating in 54 countries under two brands - Atos for services and Eviden for products and systems. European number one in cybersecurity and a leader in cloud, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos Group is the brand under which Atos SE (Societas Europaea) operates.

Atos SE listed on Euronext Paris. The purpose of Atos Group is to help design the future of the information space. Its expertise and services support the development of knowledge, education and research in a multicultural approach and contribute to the development of scientific and technological excellence.

Across the world, the Group enables its customers and employees, and members of societies at large to live, work and develop sustainably, in a safe and secure information space.

Role: Lead CATO Engineer

Location: Mumbai/Bangalore The role focuses on enabling Zero Trust Network Access, replacing traditional VPN architectures, and ensuring secure, optimized connectivity for users and applications.Key Responsibilities1. ZTNA Implementation &

• Management• Deploy and configure Cato ZTNA solutions for secure remote and branch access• Replace legacy VPN solutions with Zero Trust architecture• Configure identity-based access policies for users, devices, and applications• Implement client-based and clientless ZTNA access2. Cato SASE Platform Administration• Manage Cato Management Application (CMA)• Configure and maintain: o SD-WAN policieso Security policies (FWaaS, IPS, CASB, SWG)o Traffic steering and network segmentation• Monitor network performance across global PoPs3. Security &

• Access Control• Integrate with Identity Providers (IdP) such as:



o Azure AD / Entra IDo Oktao ADFS• Implement multi-factor authentication (MFA)• Enforce least privilege access policies4. Troubleshooting &

• Support• Diagnose issues related to: o User access failureso Tunnel connectivityo Application access via ZTNA• Perform packet analysis and traffic inspection• Provide L2/L3 support for production issues5. Network &

• Connectivity• Configure and manage: o IPsec tunnelso Cato Socket deployments (physical/virtual)o Remote user clients (Windows, macOS, mobile)• Optimize application performance using WAN optimization6. Monitoring &

• Reporting• Use Cato dashboards for: o Traffic analysiso Security eventso User activity monitoring• Generate regular reports for compliance and management7. Documentation &

• Compliance• Create and maintain: o Network diagramso Standard operating procedures (SOPs)o Configuration documents• Support audits and compliance requirementsTechnical Skills• Robust experience with: o Cato Networks SASE platform (mandatory/preferred)o Zero Trust Network Access (ZTNA) conceptso SD-WAN technologies• Knowledge of networking fundamentals: o TCP/IP, DNS, DHCPo Routing protocols (BGP, OSPF)• Experience with: o Firewalls (Palo Alto, Fortinet, Cisco)o VPN technologies (IPsec, SSL VPN)• Familiarity with cloud environments (Azure, AWS, GCP)Security Skills• Understanding of: o Zero Trust Architecture (ZTA)o Identity &

• Access Management (IAM)o Secure Web Gateway (SWG)o CASB and DLP conceptsTools &

• Technologies• Cato Management Application• Wireshark / packet capture tools• SIEM tools (Splunk, Sentinel – nice to have)• Endpoint security integrations

Candidate should be open 24/7 Here at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all. Atos is a recognized leader in its industry across Environment, Social and Governance (ESG) criteria. Find out more on our CSR commitment. Choose your future.

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Atos.

📌 Lead CATO Engineer (Navi Mumbai)
🏢 Atos
📍 Navi Mumbai