Network Security Engineer

Company Description Infinite Computer Solutions is a global technology leader with an AI-first approach, helping clients translate digital transformation into measurable business value. For over two decades, the company has specialized in technology modernization, next-generation IT services, and digital engineering. With a team of over 25,000 professionals across more than 20 locations worldwide, Infinite partners with organizations in healthcare, banking, financial services, telecom, high-tech, media, and entertainment. The company has earned 50+ awards and recognition from leading analyst firms for its innovation and leadership. Infinite maintains a people-centric culture focused on collaboration, continuous learning, inclusion, and building a high-trust, high-performance workplace.

Job Summary:

The Security / Network Engineer is responsible for supporting migration teams by implementing secure network connectivity, firewall configurations, and security controls required for migration between on-premise and Azure environments. This role ensures compliance with enterprise security standards while enabling seamless and secure workload migration.

In addition, the role operates within a managed services environment, ensuring infrastructure and network services remain secure, available, and performant through proactive monitoring, troubleshooting, and incident resolution.

Key Responsibilities:

Network & Security Implementation

• Implement firewall rule changes to support migration activities and ongoing operations.

• Configure and manage network security devices (e.g., Fortigate, Palo Alto).

• Support hybrid connectivity setup including VPN and ExpressRoute configurations.

• Implement network segmentation and micro-segmentation strategies.

• Enforce enterprise security policies and compliance requirements across environments.

• Support secure connectivity between on-premise and Azure environments.

Azure Networking & Cloud Security

• Configure and manage Azure networking components (VNets, NSGs, route tables, load balancers).

• Implement and maintain secure access controls and network security principles in cloud environments.

• Support design and implementation of secure hybrid architectures.

• Assist in implementing security controls for cloud-based workloads.

Technical Support & Incident Management

• Resolve incidents and service requests within agreed SLA timelines under general supervision.

• Monitor network and security systems proactively to detect and mitigate issues.

• Investigate, analyse, and troubleshoot network and security-related incidents.

• Maintain accurate and timely updates in ticketing systems with resolution details.

• Escalate complex issues to senior engineers or Technical Leads where required.

Service Delivery & Process Compliance

• Ensure adherence to ITIL processes including Incident, Problem, and Change Management.

• Support, track, and document change implementation activities.

• Participate in security audits, compliance checks, and risk assessments.

• Contribute to continuous improvement of security and network operations.

Collaboration & Knowledge Sharing

• Work closely with migration teams, cloud engineers, and security architects.

• Communicate effectively with stakeholders to support secure migration delivery.

• Share knowledge and document solutions for recurring issues.

• Support junior engineers and contribute to team capability development.

Required Skills & Qualifications

• 3–5 years of experience in networking and security engineering.

• Hands-on experience with:

- Firewall administration (Fortigate, Palo Alto preferred)

- Azure networking (VNets, NSGs, routing)

- VPN and ExpressRoute connectivity

- Network security principles and segmentation

• Security policy implementation and compliance

• Strong understanding of hybrid cloud networking architectures.

• Experience supporting enterprise infrastructure and migration projects.

Key Competencies

• Strong troubleshooting and analytical skills in network and security domains.

• Ability to work in high-pressure, mission-critical environments.

• Good communication and stakeholder engagement skills.

• Attention to detail and strong documentation practices.

• Customer-focused mindset with commitment to service excellence.

Qualifications & Certifications

• Bachelor's degree in IT, Computer Science, or related field (or equivalent experience).

• Preferred certifications:

- CCNA / CCNP (Networking)

- Palo Alto, Fortinet, or other firewall certifications

- Microsoft Certified: Azure Network Engineer Associate

- Security certifications (e.g., CISSP, Security+) are advantageous

• Experience with Zero Trust architectures.

• Exposure to cloud security tools (Defender for Cloud, Sentinel).