Senior Cloud Security Engineer – Remote Threat Hunter

Peraton; Oregon; Hybrid; USD 135,000 - 216,000; Full time

Benefits offered by this job

Medical, dental, vision coverage

401(k) and retirement benefits

Paid time off (PTO)

Parental leave

Employee assistance program (EAP)

Holiday pay

Job summary

Peraton is seeking a Senior Cloud Security Engineer to lead proactive threat hunting, vulnerability analysis, and remediation across a multi-cloud environment. You will collaborate with customers, engineering, patching teams, and ISSOs/ISSMs to identify threats early and drive remediation in AWS, Azure, GCP, and OCI.

The role emphasizes hands-on cloud security, SIEM analytics, and threat-informed defense with a strong focus on mentoring junior engineers and producing risk briefings for

Qualifications

• U.S. Citizenship with ability to obtain/maintain DHS Public Trust.
• 8+ years in information security, 5+ years in cloud security.
• Hands-on experience with AWS, Azure, GCP and OCI.
• Experience with Qualys and Tenable for vulnerability scanning and reporting.
• Experience conducting threat hunts using MITRE ATT&CK.
• Proficient in writing queries and analyzing logs in SIEMs (Splunk, Sentinel, ELK).
• Scripting in Python/PowerShell/Bash; familiarity with Terraform/Ansible.
• Knowledge of STIGs, CIS Benchmarks, and NIST 800-53.

Responsibilities

• Plan and conduct hypothesis-driven threat hunts across cloud environments.
• Analyze cloud telemetry and SIEM data to investigate suspicious activity.
• Administer Qualys and Tenable scanning across all tenants.
• Prioritize remediation by exploitability and asset criticality.
• Lead remediation with engineering and patching teams to verify closure.
• Identify cloud misconfigurations and excessive IAM permissions.
• Develop and tune detection rules and hunt playbooks.
• Support incident response with scoping and root cause analysis.
• Produce hunt reports and risk briefings for leadership.
• Mentor junior security engineers in threat hunting.

Skills

Threat hunting

Vulnerability analysis

Cloud security engineering

Multi-cloud platforms (AWS, Azure, GCP

SIEM analytics (Splunk, Sentinel, ELK)

Scripting (Python/PowerShell/Bash)

Infrastructure as code (Terraform, Ans

Identity and access management

Networking and encryption

Windows/Linux security

Education

Bachelor's degree

Master's degree

Associates degree

Tools

Qualys

Tenable

Terraform

Ansible

Job description

Peraton is seeking a Senior Cloud Security Engineer to lead proactive threat hunting, vulnerability analysis, and remediation across a multi-cloud environment. You will collaborate with customers, engineering, patching teams, and ISSOs/ISSMs to identify threats early and drive remediation in AWS, Azure, GCP, and OCI.

The role emphasizes hands-on cloud security, SIEM analytics, and threat-informed defense with a strong focus on mentoring junior engineers and producing risk briefings for