Senior Network Security Engineer — Hybrid/Remote

Relativity ODA LLC; Illinois; Hybrid; USD 140,000 - 200,000; Full time

Job summary

Relativity ODA LLC is seeking a Senior Security Engineer focused on Network Security to drive design, deployment, and optimization of security controls across on‑prem, cloud, and hybrid environments. You will lead threat hunting efforts, integrate telemetry into analytics platforms, and advance automated response capabilities.

You will collaborate with IT, Eng, and Security teams to reduce the attack surface, strengthen segmentation, and improve detection and response times across Relativity's

Qualifications

• Strong expertise in network security design, deployment, and optimization across on‑prem and cloud environments.
• Experience leading threat hunting engagements and purple team exercises with documented outcomes.
• Fluency in automation of configurations, detections, and responses using APIs, IaC, and policy‑as‑code.

Responsibilities

• Lead design, deployment, and optimization of network security controls across mixed environments.
• Engineer and maintain firewalls, network detection/response, and secure access technologies.
• Develop detections for command‑and‑control, lateral movement, and data exfiltration; automate responses.

Skills

Network security

Threat hunting

Automation

Cross-functional collaboration

Tools

SIEM

EDR

VPN

Job description

Relativity ODA LLC is seeking a Senior Security Engineer focused on Network Security to drive design, deployment, and optimization of security controls across on‑prem, cloud, and hybrid environments. You will lead threat hunting efforts, integrate telemetry into analytics platforms, and advance automated response capabilities.

You will collaborate with IT, Eng, and Security teams to reduce the attack surface, strengthen segmentation, and improve detection and response times across Relativity's