Network Security Manager

Company Description

Publicis Re:Sources is at the core of Publicis Groupe, the world's largest communications company. We are the only full-service, end-to-end shared service organization in the industry, enabling Groupe agencies to do what they do best: innovate and transform for their clients.

 

Formed in 1998 as a small team to service a few Publicis Groupe firms, Publicis Re:Sources has grown to 6,000+ employees in over 55 countries. We provide technology solutions and business services, including finance, accounting, legal, benefits, procurement, tax, real estate, treasury and risk management, information security, and global mobility — supporting 110,000+ employees across the Publicis Groupe network. Our people are at the center of everything we do, bringing curiosity, collaboration, and a commitment to excellence to their work every day. 

 

Learn more about Publicis Re:Sources and the Publicis Groupe agencies we support at publicisresources.com

Overview

We are seeking a highly experienced and mo vated Manager to work with our Network Security team. This role is responsible for overseeing the strategy, implementa on, and maintenance of our network security infrastructure, with a strong focus on Palo Alto Networks firewalls & Migra ons from Checkpoint or Netskope . The Manager will be part of network security team, ensuring the confiden ality, integrity, and availability of our network resources. This role involves team leadership, vendor coordina on, project execu on, incident management, and con nuous service improvement. 

Responsibilities

Network Operations & Management 

Manage day-to-day operations of enterprise network infrastructure.

Ensure high availability and optimal performance of Palo Alto, Checkpoint & F5 solutions & Cloud “Azure, GCP, AWS” 

Monitor network health, capacity, utilisation, and performance using monitoring tools.

Lead troubleshooting and resolution of critical network incidents and outages.

Maintain network uptime in line with business SLAs. Team Leadership  Lead and mentor network engineers and support teams.  Allocate tasks and manage operational priorities.

Conduct performance reviews and technical coaching.

Ensure adherence to operational processes and documenta on standards. Incident & Change Management 

Manage Major Incident handling and Root Cause Analysis (RCA). Participate in CAB meetings and approve network changes.  Ensure compliance with ITIL processes including incident, problem, and change management.

Coordinate with TAC, ISPs, and third-party vendors during escalations. Security & Compliance 

Ensure network security best practices are implemented.

Work closely with security teams on audits, vulnerability remediation, and compliance requirements.  Manage firewall policies, NAC solutions, segmentation, and access control. Project Management

Plan and execute network-related projects.  Coordinate with cross-functional teams for infrastructure deployments. 

Prepare project documenta on, implementa on plans, and risk assessments.

Manage vendor relationships and procurement activities. Documentation & Reporting

Maintain network diagrams, SOPs, inventory, and technical documenta on.

Prepare operational reports, service metrics, and management dashboards.

Track KPIs and service improvement initiatives. 

Qualifications

Bachelor’s degree in Computer Science, Informa on Technology, Electronics, or related field. 

Additional Information

Experience

 12 to 15 years of experience in network engineering and operations.

Minimum 3–5 years in a Team lead or managerial role. Technical Skills

Strong knowledge of enterprise networking technologies.

Hands-on experience with Palo Alto, Checkpoint, F5, Netskope and CASB solutions.

Experience with  Palo Alto Panorama M300, M700 o Palo Alto firewalls 1400,3400,5400 or VM Series o Checkpoint MDS/CMA Environment o F5 Load balancer solution o CASB, Netskope, ServiceNow; experience with cloud security technologies (e.g., AWS, Azure, GCP). Certifications (Preferred)

Cisco Systems CCNP / CCIE CISSP/ PCNSE 

ITIL Foundation or ITIL Intermediate  For net NSE / Palo Alto certifications 

Cloud certifications (AWS/Azure) Soft Skills  Strong leadership and team management skills  Excellent troubleshooting and analytical abilities 

Effective communication and stakeholder management 

Ability to work under pressure during critical incidents. Strong documentation and reporting skills. Work Environment

24x7 support readiness for critical incidents and escalations.  Hybrid/on-site work depending on business requirements.

May require occasional after-hours maintenance support.