L2 Network Security Engineer

Job description / Role

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

• Support and operate security services and offers provided to a vast number of customers worldwide to secure high quality levels and almost 100% service availability.
• Act as second level of support and deliver different security services management aspects: incident, change, release, capacity, and vulnerability management.
• Resolve service incidents by troubleshooting and solving reported faults.
• Perform service changes by assessing risk and implementing reported change requests.
• Resolve service problems by performing root cause analysis and designing action plans for unknown errors reported through: problem management dashboard, monitoring alarms, proactive trouble tickets, incidents, or authorized signed emails.
• Monitor and validate alarms coming from intrusion sensors and identify real and false alarms.
• Qualify and solve incidents by analyzing application-level traffic, tracking and investigating intrusions through manual event correlation.
• Escalate technically major security events and incidents to security senior engineers to empower them with better technical skills and more investigation.
• Perform routine actions to help manage and optimize IPS security policies.
• Perform solution releases by authorizing and validating changes, upgrades, updates, patches and migrations as well as implementing them.
• Maintain security solutions configuration management up-to-date by adding or modifying configuration items as implied by incident, change, and release processes.
• Manage customers (internal and external) calls and provide them with regular updates as per each of the service support processes.
• Perform SIPs actions led by senior security engineers and update the action plan of the SIP.
• Perform technical and management escalation as implied by the escalation process to ensure security tasks are progressing toward resolution and/or completion.
• Mentor newcomers and security associates as well as SOC 1 and provide them with guidance and technical advice.

About you

Educational qualifications:

• B.Sc. degree in computer science, communications or electronics engineering.
• Certification in any of the following domains:
• CCSE or CCSA, SSCP, NSE4, JNCIS-FW, NSE5 or NSE4 and PCNSE along with CCNP or CCSP Security.
• CCNA Security certified.
• CISSP is a plus.

Professional requirements:

• At least 3 years of professional experience.
• At least 2 years of IT/Network security technical experience.
• Excellent knowledge of security concepts, including various kinds of vulnerabilities, exploits, attacks, and defense techniques.

Very good understanding of network security technologies:

• Firewalls: CheckPoint, Fortinet and Palo Alto mainly; other technologies are also acceptable.
• Load balancers: F5 BIG-IP mainly.
• Intrusion detection and prevention and EDR/XDR.
• Remote access solutions: Pulse Secure MSSL, IPsec, VPN, AAA, PKI, etc.
• Cloud and managed proxies: Bluecoat, McAfee, Zscaler, Prisma Cloud, Netskope.
• Excellent understanding of IT and networking (routing, switching) and network security concepts and technologies.
• Analytical troubleshooting experience; familiar with network protocol analyzers such as Wireshark and Fiddler.
• Excellent interpersonal and customer-facing skills.
• Strong problem-solving, analytical thinking and troubleshooting skills.
• Excellent phone manner and business communication skills.
• Good understanding of ITIL incident and change management processes.
• Fluent English (reading and writing).
• French language is a plus.

What we offer

• Global opportunities: Work in multinational 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.

About the Company

Orange is one of the world’s leading telecommunications operators with sales of 43.5 billion euros in 2022 and 136,000 employees worldwide at 31 December 2022, including 75,000 employees in France. The Group has a total customer base of 287 million customers worldwide at 31 December 2022, including 242 million mobile customers and 24 million fixed broadband customers. The Group is present in 26 countries. Orange is also a leading provider of global IT and telecommunication services to multinational companies under the brand Orange Business.