Senior Network Security Engineer

About us

Join us at Orange Business! We are a network and digital integrator that understands the entire value chain of the digital world, freeing our customers to focus on the strategic initiatives that shape their business.

Every day, you will collaborate with a team dedicated to providing consistent, sustainable global solutions, no matter where our customers operate. With over 30,000 employees across Asia, the Americas, Africa, and Europe, we offer a dynamic environment to develop and perfect your skills in a field filled with exciting challenges and opportunities.

About the role

Network and security operations

At Orange Cyberdefense Egypt, we're expanding our dedicated team for one of our major worldwide tobacco customers. We're looking for senior network security engineers with strong hands-on expertise and leadership capabilities.

Responsibilities:

• Monitor, configure, and troubleshoot enterprise network and security infrastructure, including:
• Firewalls: FortiGate Manager and analyzer
• Load balancers: F5
• Secure access: Ivanti
• Networking devices: Cisco core and access switches, routers, access points, wireless controllers, Cisco Meraki, and FortiGate SD-WAN
• Act as an escalation point for complex incidents from L1 and L2 engineers, ensuring timely root cause analysis and resolution within SLAs.
• Lead routine system health checks, performance tuning, and optimization of network and security devices.
• Drive technical and management escalations, ensuring progress toward resolution and customer satisfaction.
• Provide advanced remote support and change management assistance to customers on a 24x7 basis as required.
• Oversee service incidents and changes, assessing risk and implementing requests through change management tools.
• Perform advanced root cause analysis (RCA) and design preventive measures for recurring issues.
• Validate and implement solution releases (changes, upgrades, updates, patches, migrations) with minimal disruption.
• Manage vendor communication for complex problems, patches, and maintenance, acting as Technical Assistance Center (TAC) lead.
• Ensure adherence to customer SLAs for incident, change, and problem management.
• Mentor and guide junior engineers (L1/L2), promoting knowledge sharing and best practices within the team.
• Participate in infrastructure improvement projects and contribute to design discussions for network and security architecture.

About you

Education: Bachelor's degree in computer science, network engineering, or a related field (or equivalent experience).

Experience: Minimum 5 years of hands-on experience in network and security engineering, with expertise in:

• FortiGate firewalls, manager and analyzer
• F5 load balancers
• Ivanti secure access
• Cisco networking (switches, routers, wireless controllers, Meraki) are a plus
• FortiGate SD-WAN is a plus

Skills:

• Advanced troubleshooting skills for complex network and security issues.
• Strong proficiency in implementing configuration changes and patches across multiple technologies.
• Excellent communication and documentation skills.
• Ability to lead technical discussions and mentor junior team members.
• Strong ownership, accountability, and decision-making skills.
• Fluent in English (writing and speaking).

Certifications (highly desirable):

• F5 LTM
• CCNP
• Fortinet
• Additional certifications such as PCNSE or equivalent are a plus.

You bring rigor, passion for challenges, and determination. You seek the opportunity to expand your expertise, achieve your goals, and thrive.

What we offer

• Global opportunities: Work in multi-national teams with opportunity to collaborate with colleagues and customers from all over the world.
• Flexible work environment: Flexible working hours and possibility to combine work from office and home (hybrid ways of working).
• Professional development: Training programs and upskilling/re-skilling opportunities.
• Career growth: Internal growth and mobility opportunities within Orange.
• Caring and daring culture: Health and well-being programs and benefits, diversity and inclusion initiatives, CSR and employee connect events.
• Reward programs: Employee referral program, Change Maker Awards.

Only your skills matter

Regardless of your age, gender identity, race, ethnic origin, religion or belief, sexual orientation, marital status, neurotype, disability, veteran status, or appearance, we encourage diversity within our teams because it is a strength for the collective and a vector of innovation. Orange Group is a disabled-friendly company and equal opportunity employer: don't hesitate to tell us about your specific needs.

Only your skills matter.

Regardless of your age, gender, origin, religion, sexual orientation, neurodiversity, disability, or appearance, we actively encourage diversity within our teams, as it is both a collective strength and a driver of innovation. Orange is a disability-friendly company: please feel free to let us know about any specific needs you may have.