Senior Security Engineer, Incident Response & Automation

United States Digital Space LLC; United States; Remote; USD 140,000 - 190,000; Full time

Benefits offered by this job

Flexible Paid Time Off

Equity Compensation & Employee Stock“

Growth and Development Fund

Parental Leave

Team Member Resource Groups

Job summary

United States Digital Space LLC is seeking a Senior Security Engineer for its Security Incident Response Team (SIRT) to defend company environments against evolving threats, lead high-impact incidents, and drive improvements in defense, detection, and response capabilities.

This role emphasizes automation and AI-driven approaches to improve detection fidelity, accelerate investigations, and reduce response times, with on-call coverage in a 24/7 global environment and collaboration across

Qualifications

• Strong experience in security incident response and investigations in cloud-first environments.
• Experience using or administering Git/the company in a security or engineering context.
• Hands-on experience with SIEM, EDR, and/or detection engineering.
• Experience with cloud platforms (AWS & GCP).
• Familiarity with threat intelligence and adversary tactics (e.g., MITRE ATT&CK).
• Experience building or working with automation (e.g., Python, scripting, SOAR platforms).
• Interest or experience in applying AI/ML or data-driven techniques to detection, triage, or response workflows.
• Strong analytical and problem-solving skills; ability to operate effectively during high-severity incidents.
• Excellent written communication skills with a passion for clear, actionable documentation.
• Growth mindset with a proactive approach to identifying and mitigating security risks.

Responsibilities

• Lead and coordinate end-to-end incident response for high-severity security events within a 24/7 global on-call model, with this role operating during EMEA business hours.
• Prepare clear executive communications that keep stakeholders informed during incidents.
• Investigate complex security incidents across cloud environments, applying strong DFIR methodologies.
• Partnering with Signals Engineering to design and implement detection capabilities, including SIEM use cases, alerting strategies, and telemetry pipelines.
• Build and enhance automation and AI-assisted workflows to improve triage, investigation speed, and response consistency.
• Partner with Threat Intelligence to contextualize threats and improve detection coverage.
• Conduct root‑cause analysis (RCA) and lead post‑incident reviews to drive continuous improvement and risk reduction.
• Develop and maintain runbooks, playbooks, and operational documentation.
• Collaborate cross‑functionally (Engineering, Infrastructure, Legal, Product, Communications, etc) during incidents and lead proactive initiatives (e.g. tabletop)
• Mentor other engineers and help elevate the team’s overall incident response maturity.

Skills

Security incident response

DFIR

Cloud security

Automation

AI/ML for security

Python scripting

SOAR

Threat intelligence

Executive communications

Analytical thinking

Tools

SIEM

EDR

SOAR platforms

Cloud platforms (AWS & GCP)

Job description

United States Digital Space LLC is seeking a Senior Security Engineer for its Security Incident Response Team (SIRT) to defend company environments against evolving threats, lead high-impact incidents, and drive improvements in defense, detection, and response capabilities.

This role emphasizes automation and AI-driven approaches to improve detection fidelity, accelerate investigations, and reduce response times, with on-call coverage in a 24/7 global environment and collaboration across