AWS Security Engineer

AWS Security Engineer

Job Locations

US

Requisition ID

Position Category

Engineering

Clearance

Agency Clearance

Responsibilities

We are seeking an experienced AWS Security Engineer to ensure the security, compliance, and protection of our cloud-based infrastructure. The ideal candidate will have strong hands-on experience with AWS security services, cloud risk assessments, incident response, and continuous security monitoring. This role collaborates closely with Cloud Engineering, DevOps, and Application teams to maintain a secure, compliant, and resilient cloud environment.

What you will do: Lead and support vulnerability scanning and remediation efforts for cloud resources

Manage IAM roles/policies, identity federation, encryption, KMS, and secrets management

Provision and manage AWS infrastructure using Infrastructure as Code (IaC) tools such as Terraform

Develop custom scripts for CloudWatch metrics and alarms based on application-specific probes

Implement alerting and automated remediation workflows

Assist with incident response, investigations, and root cause analysis of cloud security events

Develop and maintain security architecture documentation, runbooks, and procedures

Conduct AWS security posture assessments using automated tools

Monitor and maintain AWS security controls using cloud-native detection and monitoring tools

Partner with DevOps and engineering teams to embed security best practices into CI/CD pipelines and IaC

Implement and enhance AWS security controls, guardrails, and baseline configurations

Continuously evaluate AWS environments for cost-effective security improvements

Conduct threat modeling, vulnerability analysis, and remediation coordination

Support internal and external audits by gathering evidence and preparing documentation

Maintain compliance with NIST, FISMA, and FedRAMP requirements

Assist in risk assessments and security control testing

Support change control processes and ensure accurate system/process documentation

Evaluate emerging cloud security tools and recommend improvements

Participate in on-call rotations to support 24/7 production systems

Qualifications

Required Qualifications:

Bachelor's degree and 8 years or 6 years with a Master's degree.

Proficiency with Python and Bash scripting

Hands-on experience with ECS, EKS, EC2, and Lambda

Strong experience with Git and CI/CD pipelines

Advanced Terraform skills, including modules, variables, and workspaces

Deep knowledge of AWS security services: IAM, KMS, GuardDuty, Security Hub, CloudTrail, Config Rules

Ability to conduct IAM policy/permissions audits and enforce least privilege

Skilled at interpreting access logs, cloud configurations, and IAM policies

Excellent written and verbal communication skills

Strong analytical and problem-solving abilities

Must be a U.S. Citizen

Must be able to obtain and maintain the required Agency clearance

Preferred Qualifications:

AWS certifications such as Cloud Practitioner or Security Specialty

Security compliance or audit certifications (e.g., CISA, Security+, etc.) 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. Target Salary Range

$80,000 - $128,000. 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.

EEO

EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.