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Peraton

Senior Cloud Security Engineer

Remote, United States

Target Salary Range $135,000 - $216,000.

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Job details

Pay: Target Salary Range $135,000 - $216,000.
Apply by: Nov 3, 2027
Experience: 8+ years of experience in information security, including 5+ years in cloud security engineering
Posting language: English
Posted: Nov 3, 2026

Original job description

Peraton Overview

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.

Responsibilities

Peraton is looking for a Senior Cloud Security Engineer to lead proactive threat hunting, vulnerability analysis, and remediation in support of a multi-cloud environment with 70+ customer tenants and growing. Aside from technical qualifications, the applicant should have effective communication skills, both written and verbal.

The applicant must have hands-on security experience across multiple cloud platforms (AWS, Azure, GCP, OCI) and expertise with Qualys and Tenable for vulnerability management. This role goes beyond scanning: the engineer will form and test threat hypotheses, correlate vulnerability, configuration, and log data to find active or likely compromise, and drive findings through to verified remediation. An investigative mindset, strong analytical skills, and attention to detail are prerequisites for this position.

The Senior Security Engineer will collaborate closely with our customers, internal engineering and patching teams, and ISSOs/ISSMs to ensure threats are identified early, risk is prioritized accurately, and remediation is completed and documented.

Location: Remote (but must reside and perform all work within the United States)

Work hours: This position requires working online from 8:00 AM Eastern to 5:00 PM Eastern

Day to Day Roles and Responsibilities:

Plan and conduct hypothesis-driven threat hunts across AWS, Azure, GCP, and OCI environments, using threat intelligence and the MITRE ATT&CK framework to identify adversary activity that automated tools have not detected
Analyze cloud-native telemetry (AWS CloudTrail and GuardDuty, Microsoft Defender for Cloud and Azure Monitor, Google Security Command Center, OCI Cloud Guard and Audit logs) alongside SIEM data to investigate suspicious activity
Administer and optimize Qualys and Tenable (Tenable.io/Tenable.sc/Nessus) scanning across all cloud tenants, including scan policies, agent and connector deployment, asset coverage, and credentialed scanning
Analyze vulnerability and configuration findings, eliminate false positives, and prioritize remediation by exploitability, asset criticality, and exposure, including CISA Known Exploited Vulnerabilities (KEV)
Lead remediation of identified threats and vulnerabilities, working with engineering and patching teams to patch, harden, or apply compensating controls, and verify closure through rescanning
Identify and remediate cloud misconfigurations, excessive IAM permissions, exposed services, and STIG/CIS benchmark deviations
Develop and tune detection rules, queries, and automated hunt playbooks so successful hunts become repeatable detections
Support incident response as a senior technical resource, including scoping, containment recommendations, and root cause analysis
Produce hunt reports, remediation tracking, and POA&M inputs, and brief findings and risk to customers, ISSOs/ISSMs, and leadership
Mentor junior security engineers in threat hunting techniques, vulnerability analysis, and tool usage

Qualifications

Basic Qualifications:

Bachelors degree and 12 years of experience or a Masters degree and 10 years of experience or an Associates degree and 14 years of experience or a High School diploma/eqivalent and 16 years of experience.
Must be a U.S. Citizen with the ability to obtain/maintain a DHS Public Trust.
8+ years of experience in information security, including 5+ years in cloud security engineering
Hands-on security experience in at least three of the following cloud platforms: AWS, Azure, GCP, and OCI
Expertise with Qualys (VMDR, Cloud Agent, Policy Compliance) and Tenable (Tenable.io, Tenable.sc, Nessus) for vulnerability scanning, analysis, and reporting
Demonstrated experience conducting threat hunts and investigations using the MITRE ATT&CK framework
Proficiency writing queries and analyzing logs in a SIEM or log platform (Splunk, Microsoft Sentinel, Elastic, or equivalent)
Experience remediating vulnerabilities and misconfigurations on Windows and Linux systems, containers, and cloud-native services
In-depth understanding of cloud identity and access management, network security, encryption, and logging architecture
Scripting or automation experience in Python, PowerShell, or Bash, and familiarity with infrastructure-as-code (Terraform, Ansible)
Working knowledge of STIGs, CIS Benchmarks, and NIST 800-53 controls

Preferred Qualifications:

One or more relevant certifications such as CISSP, CCSP, GCIH, GCTI, GCFA, AWS Certified Security - Specialty, Microsoft AZ-500, or Google Professional Cloud Security Engineer

Target Salary Range $135,000 - $216,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Benefits Statement

Peraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at https://www.careers.peraton.com/benefits.

Application Statements The application period for the job is estimated to be 30 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. By applying to this job, you are expressing interest in the role and the Company. During the review of your application, you may be required to participate in an on-camera interview, as well as participate in a process to verify your identity. Use of artificial intelligence (AI) tools of any kind during Peraton interviews is strictly prohibited unless the candidate has obtained prior written authorization. All interview responses must be the candidate’s own. EEO EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.

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Skills

AWS
Microsoft Azure
Google Cloud
Analytical skills
Attention to detail
Nessus
CISA
Identity and access management
Incident response
Root cause analysis
Leadership
Cybersecurity
Regulatory compliance
Reporting
MITRE ATT&CK
Splunk
Microsoft Windows
Linux
Python
Microsoft PowerShell
Bash
Infrastructure as code
IBM Terraform
Ansible
CISSP
AWS certification

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