Network Security Engineer (Cisco Umbrella)

Job Summary
We are seeking a skilled Network Security Engineer to join our dynamic team. The ideal candidate will be responsible for ensuring the security of our network infrastructure, implementing security measures, and responding to incidents. This role requires a deep understanding of network protocols, security standards, and the ability to analyze and mitigate vulnerabilities within our systems.

Responsibilities

• Design, configure, and manage secure network architectures (LAN, WAN, and cloud) integrated with Cisco Umbrella Security solutions.
• Implement and manage firewalls (Cisco ASA / FortiGate), IDS/IPS, and SIEM tools (Splunk, QRadar) for real-time threat detection and response.
• Conduct regular security audits, penetration testing, and vulnerability assessments to identify and mitigate risks.
• Develop and enforce network and cloud security policies in alignment with NIST and ISO 27001 frameworks.
• Manage DNS-layer protection, secure web gateways, and threat intelligence through Cisco Umbrella.
• Support incident response, investigation, and recovery to ensure minimal service disruption.
• Collaborate with IT infrastructure teams to strengthen identity & access management, patching, and endpoint protection.
• Implement secure VPN, IPsec, and SSL/TLS encryption for data in transit.
• Monitor network performance using SolarWinds, New Relic, or similar tools to maintain high availability and reliability.
• Provide security guidance for cloud deployments (AWS, Azure, GCP) and virtualization environments (VMware, Hyper-V).
• Stay current on emerging threats, Cisco Umbrella advancements, and global cybersecurity trends.

Skills & Qualifications:

• Strong understanding of computer networking concepts – routing (OSPF, BGP), TCP/IP, DNS, DHCP, and VPN technologies.
• Hands-on experience with Cisco Umbrella, Cisco ASA, and Cisco Meraki for DNS-layer and network perimeter protection.
• Familiarity with IDS/IPS, SIEM (Splunk, QRadar), and vulnerability management tools.
• Knowledge of cloud-security principles, IAM, and secure integration across hybrid environments.
• Proficiency with operating systems – Windows, Linux (Debian, CentOS, Ubuntu), and macOS.
• Scripting knowledge (Python, Bash, PowerShell) for automation and configuration management.
• Experience with DevSecOps tools such as Terraform, Ansible, or CI/CD pipelines for secure deployment workflows.
• Understanding of compliance frameworks – PCI-DSS, COBIT, FedRAMP, and ISO 27001.
• Strong analytical, problem-solving, and communication skills with attention to detail.

Job Type: Full-time

Ability to commute/relocate:

• Muscat: Reliably commute or planning to relocate before starting work (Required)

Application Question(s):

• what is your monthly current salary?
• What is your monthly expected salary?
• What is your notice period?

Education:

• Bachelor's (Required)

Experience:

• Network Security Engineer (Cisco Umbrella): 3 years (Required)