Firewall Specialist (Fortinet / Check Point / Ubika WAF) - L2 Engineer

Atos is the Atos Group brand dedicated to AI-powered, secure, end-to-end digital services. Atos designs, develops, and operates critical digital environments that drive performance, resilience and sovereignty, helping public and private organizations worldwide retain control over their data and infrastructures, while meeting regulatory requirements.

With more than 52,000 employees serving over 4,500 clients across 54 countries, Atos helps modernize core IT systems, accelerate cloud and data transformation, strengthen cybersecurity, and deliver secure digital workplace environments to support its clients, its employees and society. Atos also provides consulting and advisory services through its Atos Amplify brand.
A trusted partner in operating complex and mission-critical environments, Atos supports organizations across highly regulated and sovereign contexts.

About Atos Group

Atos Group is a global leader in digital transformation with c. 54,000 employees and annual revenue of c. €7.2 billion, 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 listed on Euronext Paris.

Job Description: Firewall Specialist (Fortinet / Check Point / Ubika WAF) – L2 Engineer

Experience: 3-5 Years

Location: Mumbai / Bengaluru

Mandatory Skills: (Any one from below Firewalls and Cloud WAF product) Fortinet Firewalls Checkpoint Firewalls Ubika WAF

Role Summary:

The Firewall Specialist is responsible for the administration, operation, troubleshooting, and optimization of enterprise network security infrastructure comprising Fortinet Firewalls, Check Point Firewalls, and Ubika Web Application Firewall (WAF).

The engineer will provide Level-2 support for security incidents, firewall policy changes, VPN management, WAF rule tuning, and problem resolution while ensuring compliance with security standards and service level agreements.

The role requires strong expertise in firewall security technologies, threat prevention, access controls, VPN technologies, and web application security.

Key Responsibilities:

·       Firewall Operations & Administration: Manage and maintain Fortinet FortiGate and Check Point firewall environments. Implement, modify, and optimize firewall security policies, NAT rules, routing policies, and object groups.

·       Perform rule reviews, policy recertification, and firewall cleanup activities.

·       Manage firewall high-availability clusters and security gateways.

·       Support Internet, Extranet, and DMZ security architectures.

·       Perform firmware upgrades, patching, and vulnerability remediation.

·       Validate firewall configurations against security baselines and best practices. Incident & Problem Management: Provide L2 support for firewall and network security incidents.

·       Investigate connectivity, routing, VPN, and security policy issues.

·       Analyze firewall logs and security events for root cause determination.

·       Coordinate with L3 engineers, vendors, and infrastructure teams during major incidents.

·       Participate in post-incident reviews and recommend corrective actions.

Ubika WAF Administration:

·       Manage Ubika WAF policies and application protection configurations.

·       Implement and tune WAF security rules to minimize false positives.

·       Monitor and investigate WAF-generated alerts and attacks.

·       Support secure publication of web applications.

·       Configure URL filtering, access control, bot protection, and application security policies.

·       Conduct WAF policy reviews and security assessments.

Security Monitoring & Compliance:

·       Review security events generated by firewalls and WAF platforms.

·       Support audit and compliance requirements.

·       Generate operational and compliance reports.

·       Assist in vulnerability management and remediation activities.

·       Ensure adherence to organizational security standards and change management processes.

Change & Release Management:

·       Execute firewall and WAF changes through approved change management processes.

·       Prepare implementation, rollback, and validation plans.

·       Participate in CAB discussions when required.

·       Validate successful completion of security changes.

Documentation & Governance:

·       Maintain network security diagrams, policies, and operational runbooks.

·       Document troubleshooting procedures and known error records.

·       Create knowledge articles and operational handover documents.

Provide technical support during audits and governance reviews.

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. 

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