CONSULTANT - Fortinet Firewall, Web Application Firewall

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 54,000 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. 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 listed on Euronext Paris.

Role Overview

We are seeking an experienced Associate Manager – Network & Security Operations to lead a team responsible for managing and securing enterprise network and security infrastructure. The ideal candidate will have strong hands-on expertise in Fortinet Firewalls, Akamai Web Application Firewall (WAF), Check Point Security Technologies, Server Load Balancers, and Zscaler Proxy, along with proven leadership capabilities in a 24x7 managed services environment.

This role requires a technically strong leader who can guide teams, manage escalations, drive operational excellence, support customer engagements, and ensure adherence to SLAs, security standards, and compliance requirements.

Primary Skills Required

• Fortinet Firewalls
• Akamai Web Application Firewall (WAF)
• Check Point Firewalls
  • IPS Blade
  • Threat Prevention Blade
  • Antivirus & Anti-Bot Blade
• Server Load Balancers
• Zscaler Proxy
• Routing & Switching Concepts
• Security Operations and Incident Management

Secondary Skills

• Intrusion Prevention Systems (OT IDS)
• Network Access Control (NAC)
• Security Technology Evaluation & Recommendations
• Risk Assessment Management

Key Responsibilities

Team Leadership & Operations Management

• Lead and mentor a team of security and network engineers in a 24x7 support environment.
• Manage shift rosters, resource planning, and conflict resolution.
• Provide guidance and support for technical escalations.
• Ensure operational efficiency and continuous service improvement.

Security & Infrastructure Management

• Review and approve firewall requests with appropriate security recommendations.
• Oversee administration and support of Fortinet, Check Point, Akamai WAF, Zscaler, and Load Balancing solutions.
• Investigate security incidents and implement preventive measures to avoid recurrence.
• Monitor security alerts, malware incidents, and asset monitoring notifications, ensuring SLA adherence.

Governance, Risk & Compliance

• Track and drive closure of Risk Assessment action items.
• Support closure of observations identified during:
  • ISO Audits
  • Configuration Assessments
  • Vulnerability Assessments
  • Internal & External Penetration Tests
• Ensure compliance with security policies, standards, and procedures.

Change & Service Management

• Validate and approve Change Requests submitted by team members.
• Review operational reports and ensure timely submission within agreed SLAs.
• Review daily, weekly, and monthly operational checklists and reports.
• Maintain accurate reporting and governance dashboards.

Customer Engagement & Technical Advisory

• Participate in customer Proof of Concepts (POCs) and provide technical sign-off.
• Deliver value-added recommendations during customer engagements.
• Evaluate and recommend new technologies relevant to enterprise security environments.
• Define transition and handover plans for onboarding or offboarding technologies and services.

Documentation & Process Improvement

• Review and enhance Standard Operating Procedures (SOPs), Knowledge Base articles, and operational processes.
• Ensure process standardization and continuous improvement across services.
• Maintain technical documentation and operational governance artefacts.

Platform Oversight

• Review reports and changes related to:
  • Active Directory
  • DNS
  • DHCP
  • Windows Patch Management
• Ensure adherence to established operational and security standards.

Required Qualifications

• Bachelor's Degree in Computer Science, Information Technology, Cyber Security, or related field.
• Minimum 10+ years of IT Infrastructure/Security experience.
• Minimum 5+ years of experience leading technical teams.
• Strong understanding of enterprise network security architecture and operations.
• Experience working in Managed Services or Global Delivery environments.
• Excellent stakeholder management, communication, and leadership skills.

Preferred Certifications

• Fortinet NSE Certifications
• Check Point CCSA / CCSE
• Akamai Security Certifications
• Zscaler Certifications
• CCNP Security / Cisco Certifications
• ITIL Foundation
• CISSP, CISM, or equivalent security certifications (preferred)

What We're Looking For

• Strong leadership and people management skills.
• Ability to manage critical incidents and escalations.
• Customer-focused mindset with excellent problem-solving abilities.
• Proven experience driving operational excellence and SLA compliance.
• Strategic thinking combined with hands-on technical expertise.

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. Choose Atos.