Lead Network Engineer

Kroll is a global leader in risk and financial advisory solutions, seeking a Senior Network Lead to act as a strategic technical authority. This role involves designing, implementing, and optimizing secure and scalable network solutions across hybrid and multi-cloud environments, focusing on network architecture excellence and operational efficiency for critical enterprise applications.

Responsibilities:

• Oversee network segmentation initiatives at both macro and micro levels to strengthen security and compliance
• Lead the design, implementation, and maintenance of highly available, secure, and redundant LAN/WAN infrastructure, integrating on-premises and multi-cloud environments (Azure, AWS, and others)
• Define and enforce network security policies, leveraging advanced tools and frameworks to maintain compliance and protect against evolving threats
• Administer and optimise Cisco networking technologies and Palo Alto firewalls, VPNs, and cloud-native networking services
• Develop and maintain comprehensive network architecture documentation, including diagrams, standards, and operational procedures
• Validate network health, performance, and security posture across hybrid and multi-cloud deployments
• Drive network automation initiatives to improve efficiency and reduce operational risk
• Collaborate with cloud and security teams to design secure connectivity models, including Zero Trust principles and advanced identity-based access controls
• Provide Tier 3 escalation support for complex network and security incidents
• Manage vendor relationships and telecom providers for connectivity services and upgrades
• Champion formal change management processes for production environments, ensuring risk mitigation and compliance

Requirements:

• Minimum 7 years of experience in enterprise network engineering, with at least 3 years in multi-cloud networking and security
• Deep understanding of networking best practices, security frameworks, and cloud connectivity models
• Proven experience in 24x7 production environments with high availability and disaster recovery requirements
• Hands-on expertise with Cisco technologies, Palo Alto firewalls, VPNs, routing protocols (OSPF, BGP), SD-WAN and cloud networking (Azure Virtual Network, AWS VPC)
• Strong knowledge of network security principles, including encryption, segmentation, and threat mitigation
• Familiarity with Microsoft Server OS, Active Directory, and identity management solutions
• Excellent analytical, documentation, and communication skills, with the ability to present complex concepts clearly
• Ability to travel for work within the Americas region up to a few times per month
• Certifications such as Cisco CCNP, CCNP Security, CCDP, or cloud networking/security certifications (AWS Advanced Networking, Azure Network Engineer Associate)
• Experience with network automation tools and scripting (Python, Ansible)
• Exposure to Zero Trust architecture and advanced security technologies (ISE, NAC)
• Strong interpersonal and people skills, with the ability to communicate effectively with management and cross-functional teams
• Preferred language: English