Information Technology Security Specialist

MER Group is a global technology and infrastructure company that provides end-to-end solutions and professional services from strategy to execution across diverse sectors. Our expertise spans Homeland Security (HLS), Safe & Smart City projects, Cyber and Intelligence solutions and Military and Tactical Communication infrastructures (broadband, wireless, and cellular).

About the Role – We are seeking an Information Security & Network Specialist , with Expertise in Azure, Firewalls, SIEM, NAC, and Network Infrastructure Security, to join our global technology team and play a key role in managing, maintaining, and securing the company’s network and information systems infrastructure.

The position combines hands-on technical work with responsibility for ensuring network resilience and data protection across on-premis and cloud environments (Microsoft Azure).

Location: Or Yehuda, Israel

Key Responsibilities:

• Manage and maintain all network and information security infrastructure.
• Design, deploy, and support network environments in both On-Premises and Microsoft Azure platforms.
• Implement, operate, and maintain advanced security systems, including:
• Firewall, NAC, SSE, ZTNA, EDR, SIEM, WAF, DLP, CASB, Microsof 365 Security, etc.
• Monitor, analyze, and respond to security alerts and incidents in collaboration with the SOC/SIEM team.
• Document procedures, improve policies, and participate in cross-organizational security projects.
• Provide support during off-hours or weekends when required and on-call rotation.

Requirements:

• Minimum of 3 years of experience in information security and networking.
• Proven hands-on experience with network infrastructure.
• Strong familiarity with Microsoft Azure and On-premise environments.
• Proven hands-on experience with enterprise security technologies (SIEM, EDR, NAC, DLP, ZTNA, CASB, etc.).
• High ability for self-learning, documentation, and ownership.
• Strong motivation and ability to work under pressure and multitask effectively.
• Availability to work beyond standard hours when needed.

Advantages:

• Relevant professional certifications.
• Experience in mid-to-large scale organizations with distributed environments.
• Hands-on experience with Microsoft 365 & Azure Security.