Senior Enterprise Network & Security Engineer (L1–L3)

Blackstone-Eit; Abu Dhabi; On-site; AED 300,000 - 520,000; Full time

Job summary

Blackstone-Eit seeks an experienced Senior Network & Security Engineer to provide on-site consultancy and support in a large enterprise. You will manage and troubleshoot enterprise networks across L1-L3 within an ITIL framework, delivering security improvements and incident resolution.

The role requires CCNP certification, 5–7 years of hands-on experience, and the ability to work onsite in the UAE for a 1-year engagement, with after-hours support as needed.

Qualifications

• Bachelor’s or Master’s degree in Computer Engineering, Communications Engineering, Computer Science, Information Technology, or a related field
• Minimum 5–7 years of hands-on experience managing and maintaining large enterprise network environments
• CCNP certification is mandatory
• Strong experience in enterprise networking and network troubleshooting
• Proven ability to provide L1, L2, and L3 network support
• Experience working within an ITIL framework
• Strong analytical and problem-solving skills
• Excellent communication and stakeholder-management skills
• Ability to work onsite in the UAE for the full 1-year consultancy engagement
• Flexibility to provide support outside normal working hours, including weekends

Responsibilities

• Manage and maintain network infrastructure within a large enterprise environment
• Provide L1, L2, and L3 network troubleshooting and technical support
• Diagnose and resolve complex network connectivity and performance issues
• Monitor network infrastructure and proactively identify potential issues
• Support network and security infrastructure to ensure availability, reliability, and performance
• Perform network configuration, maintenance, and troubleshooting activities
• Work within established ITIL processes and service management frameworks
• Collaborate with technical teams and stakeholders to resolve network and security incidents
• Provide technical consultancy and recommendations for network and security improvements
• Support incident resolution, escalation, and root-cause analysis
• Maintain technical documentation and troubleshooting records
• Support network monitoring activities, including the use of ManageEngine or similar monitoring tools
• Provide support outside normal working hours, including after-hours and weekends
• Provide remote or onsite technical support based on operational requirements

Skills

L1/L2/L3 troubleshooting

ITIL framework

CCNP

CCIE

Fortinet NSE

F5 BIG-IP

CISSP

Penetration Testing

ManageEngine monitoring

Education

Bachelor’s or Master’s in Computer/Information Technology

Tools

ManageEngine

Job description

Blackstone-Eit seeks an experienced Senior Network & Security Engineer to provide on-site consultancy and support in a large enterprise. You will manage and troubleshoot enterprise networks across L1-L3 within an ITIL framework, delivering security improvements and incident resolution.

The role requires CCNP certification, 5–7 years of hands-on experience, and the ability to work onsite in the UAE for a 1-year engagement, with after-hours support as needed.