Senior Network Security Engineer

About the role

The Senior Network Security Engineer plays a key role in securing our enterprise network and cloud environments. This position leads advanced engineering initiatives, strengthens our threat-detection capabilities, and drives zero trust and segmentation strategies across hybrid infrastructures.

Responsibilities

• Design and implement modern network security architectures across on-premises, cloud, and hybrid environments.
• Lead engineering, configuration, and optimization of NGFWs, IPS/IDS, VPN, WAF/WAAP, DNS security, and DDoS protections.
• Drive zero trust segmentation, secure connectivity patterns, and micro segmentation strategies.
• Develop, tune, and validate detection logic in partnership with SecOps using SIEM platforms.
• Lead complex migrations, upgrades, and cutovers with high reliability and minimal downtime.
• Troubleshoot advanced traffic flow issues using packet captures, network logs, and threat intelligence.
• Enhance cloud network security controls (Azure Firewall, NSGs/ASGs, Private Endpoints, UDRs, and related services).
• Produce high quality documentation including architecture, diagrams, and change plans.
• Mentor junior and mid-level engineers and contribute to standards, best practices, and reusable technical patterns.
• Collaborate with cloud, identity, networking, infrastructure, and incident response teams on secure-by-design solutions.

Requirements

• 6–10+ years of experience in network security engineering or a closely related field.
• Strong expertise with at least one major NGFW platform (Palo Alto, Fortinet, Cisco, Check Point).
• Deep understanding of routing, VPN, SD-WAN, segmentation, TLS/SSL, and core network security concepts.
• Experience with Azure networking and security services (NSG/ASG, Azure Firewall, Private Endpoints, UDRs).
• Hands-on experience with SIEM tooling.
• Strong troubleshooting, packet analysis, and problem-solving skills.
• Excellent communication and documentation abilities.
• Demonstrated ability to lead complex projects with minimal supervision.

Qualifications

• Bachelor’s degree preferred, high school diploma (or equivalent) in combination with significant experience will be considered in lieu of degree.
• Minimum of high school diploma or equivalent is required.

Skills

• Strong expertise with at least one major NGFW platform (Palo Alto, Fortinet, Cisco, Check Point).
• Hands-on experience with SIEM tooling.
• Strong troubleshooting, packet analysis, and problem-solving skills.

Benefits

Our competitive compensation is just one component of Osaic’s total compensation package. Additional benefits include health, vision, dental insurance, 401k, paid time away, volunteer days and much more. To view more details of what you can look forward to, visit our careers page: Osaic Benefits.

Pay

$130,000 - $155,000 per year + annual performance-based bonus

Schedule

Actual compensation offered will be determined individually, based on a number of job-related factors, including location, skills, licensure, experience, and education. Osaic operates on a hybrid schedule requiring a minimum of 4 days weekly in the office.