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 Responsibilities
1. 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 access
2. Cato SASE Platform Administration
Manage Cato Management Application (CMA)
Configure and maintain:
o SD-WAN policies
o Security policies (FWaaS, IPS, CASB, SWG)
o Traffic steering and network segmentation
Monitor network performance across global PoPs
3. Security & Access Control
Integrate with Identity Providers (IdP) such as:
o Azure AD / Entra ID
o Okta
o ADFS




Implement multi-factor authentication (MFA)
Enforce least privilege access policies
4. Troubleshooting & Support
Diagnose issues related to:
o User access failures
o Tunnel connectivity
o Application access via ZTNA
Perform packet analysis and traffic inspection
Provide L2/L3 support for production issues
5. Network & Connectivity
Configure and manage:
o IPsec tunnels
o Cato Socket deployments (physical/virtual)
o Remote user clients (Windows, macOS, mobile)
Optimize application performance using WAN optimization
6. Monitoring & Reporting
Use Cato dashboards for:
o Traffic analysis
o Security events
o User activity monitoring
Generate regular reports for compliance and management
7. Documentation & Compliance
Create and maintain:
o Network diagrams
o Standard operating procedures (SOPs)
o Configuration documents
Support audits and compliance requirements
Technical Skills
Strong experience with:
o Cato Networks SASE platform (mandatory/preferred)
o Zero Trust Network Access (ZTNA) concepts
o SD-WAN technologies
Knowledge of networking fundamentals:
o TCP/IP, DNS, DHCP
o 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 concepts
Tools & 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 Workplace, Social and Governance (ESG) criteria. Find out more on our CSR commitment.

Choose your future. Choose Atos.

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