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Overview

We are seeking a Senior Security Engineer to protect enterprise systems, data, and cloud environments from evolving cyber threats. This role focuses on advanced security engineering, threat detection, and AI-driven security capabilities. You will serve as a senior technical resource, leading complex investigations and improving detection and response through automation and AI.

Why This Role

This role offers the opportunity to shape next-generation security capabilities, including AI-driven detection, automation, and cloud security, while working on high-impact enterprise challenges.

This is a remote role that can sit anywhere in US (near Arch office preferred).

Key Responsibilities

• Design, build, and deploy agentic AI workflows and intelligent autonomous playbooks to automate Tier-1/2 alert triage, context enrichment, and incident response.
• Develop and tune complex detection logic across SIEM, EDR/XDR, and cloud platforms, focusing on behavioral analytics and anomaly detection.
• Utilize Python to build custom security tools, integrate disparate security APIs, and maintain high-quality, reusable codebases for security orchestration (SOAR).
• Lead threat hunting initiatives and serve as a Tier-3 escalation resource for complex, high-severity security incidents.
• Analyze attacker tactics, techniques, and procedures (TTPs) to map coverage against the MITRE ATT&CK framework and proactively close gaps.
• Secure cloud environments (AWS, Azure, or GCP), with a specific focus on auditing, monitoring, and protecting production AI/LLM pipelines and workloads.
• Mentor junior team members, conduct code reviews for automation scripts, and promote robust software engineering best practices within the security team.

Qualifications

Required

• 7 + years of cybersecurity experience with a focus on security or detection engineering
• 3 + year s in a Sr. Security Engineer role
• Deep technical knowledge of incident response, threat hunting, and adversary TTPs.