Senior Network Security Engineer

Title: Senior Network Security Engineer

Position Overview

Our direct client is seeking a highly skilled Senior Network Security Engineer to join their technology team. This hands-on role is ideal for a senior-level professional with a deep understanding of securing complex IT environments, ensuring network resilience, and delivering robust infrastructure protections in large-scale organizations.

This role will be critical in designing, managing, and safeguarding the network backbone while contributing to the strategic development of cybersecurity initiatives across a hybrid cloud and on-premises infrastructure.

Core Responsibilities

• Administer, monitor, and optimize core enterprise networking systems including switches, routers, perimeter defenses, VPNs, and traffic control platforms.

• Architect and deploy secure network frameworks, developing reusable configurations and infrastructure standards to ensure consistency across environments.

• Lead end-to-end network security initiatives from conceptual design through implementation across multi-site and cloud-integrated environments.

• Deploy and maintain hardware and software components for secure network infrastructure, supporting business continuity and risk mitigation efforts.

• Conduct performance and utilization analysis to ensure maximum uptime, capacity planning, and efficient allocation of network resources.

• Verify compliance of all infrastructure components with internal governance protocols, cybersecurity regulations, and industry benchmarks.

• Resolve complex networking issues through root cause analysis, diagnostic evaluations, and packet-level investigations.

• Oversee routine maintenance, patch management, and asset lifecycle tracking to ensure operational health and license adherence.

• Lead cross-functional project workstreams involving infrastructure, cybersecurity, and vendor-delivered services.

• Produce technical diagrams, runbooks, and documentation to support knowledge sharing and standard operating procedures.

• Support procurement and vendor management processes related to security and network assets.

• Participate in rotational after-hours support for infrastructure issues and critical incident response.

Preferred Qualifications

• Deep experience in enterprise-grade networking and cybersecurity systems including routing, switching, DNS/DHCP services, firewalls, VPNs, and traffic analysis.

• Advanced knowledge of secure network architecture, application protocols, and real-time monitoring systems.

• Skilled in analyzing packet-level data and conducting forensic-level investigations into network anomalies.

• Demonstrated success in architecting secure infrastructure within regulated or high-availability environments (utilities, healthcare, financial services, etc.).

• Excellent communication and collaboration abilities with both technical and non-technical stakeholders.

• 8+ years of experience working with enterprise network infrastructure.

• At least 4 years in a specialized network security or firewall engineering capacity.

• Proven ability to document complex technical systems and lead initiatives across diverse technical teams.

Education & Certifications

• Bachelor s degree in Information Technology, Computer Science, Engineering, or a related discipline.

• Industry certifications such as CCNA, CCNP, or security-related credentials (e.g., CISSP, Security+, Fortinet NSE) preferred.

Compensation & Work Structure

• Competitive annual salary

• Eligible for a hybrid work model (3 days onsite, 2 days remote) after a 90-day introductory period.