Remote Senior Cloud Security Engineer: AWS & IaC

General Dynamics Information Technology, Inc.; Fairfax (VA); Remote; USD 124,000 - 150,000; Full time

Job summary

General Dynamics Information Technology, Inc. is seeking an experienced Senior Cloud Security Engineer to design, implement, and operate security across on-premises data centers and AWS environments supporting critical workloads.

The role emphasizes hands-on work with AWS security, Palo Alto firewalls, IaC, and security automation, spanning architecture and implementation across security patterns, policies, and tooling.

Qualifications

• Bachelor's degree in Computer Science, Cybersecurity, Information Technology, Engineering, or related field.
• 5+ years of hands-on cloud security engineering experience.
• Experience designing, deploying, managing, and troubleshooting AWS security services.
• Experience securing hybrid on-premises/AWS environments.
• Experience with Infrastructure as Code, scripting and security automation.
• Strong understanding of networking and security fundamentals (TCP/IP, DNS, HTTP/HTTPS, VPNs, TLS/PKI, IAM, Zero Trust).
• Must be able to obtain and maintain a Public Trust.

Responsibilities

• Design and implement security controls for AWS multi-account and hybrid-cloud environments.
• Deploy and manage AWS security capabilities, including Network Firewall, WAF, Shield, Security Groups/NACLs, GuardDuty, Security Hub, CloudTrail, Config, IAM/Identity Center, KMS, VPC, and Transit Gateway controls.
• Design secure connectivity, segmentation, and security boundaries between AWS and on-premises environments.
• Develop secure, resilient architectures spanning AWS and on-premises infrastructure using defense-in-depth and Zero Trust principles.
• Modernize environment to leverage Infrastructure as Code using Terraform/automation.
• Automate security operations, compliance reporting, configuration management, and policy enforcement using APIs, scripting, DevSecOps tooling, and AI-assisted engineering tools.
• Support security controls and evidence mapping aligned with frameworks such as NIST 800-53/800-171, FedRAMP, and FISMA.
• Evaluate existing security architectures and identify improvements in security, resiliency, scalability, performance, and operational efficiency.
• Troubleshoot complex cloud, network, firewall, and application-connectivity issues.
• Support security incidents, production outages, and root-cause analysis.
• Develop monitoring, logging, alerting, dashboards, runbooks, and engineering standards.
• Perform performance tuning, capacity planning, and security infrastructure lifecycle management.
• Participate in on-call or escalation support as required.

Skills

AWS security

Security automation

Hybrid cloud security

Infrastructure as Code

Network security

Threat detection

Education

Bachelor's degree in Computer Science or related field

Tools

Palo Alto Panorama

Prisma Cloud

Terraform

Ansible

Python

Bash

APIs

CI/CD tooling

Kubernetes security

SIEM/SOAR integration

Job description

General Dynamics Information Technology, Inc. is seeking an experienced Senior Cloud Security Engineer to design, implement, and operate security across on-premises data centers and AWS environments supporting critical workloads.

The role emphasizes hands-on work with AWS security, Palo Alto firewalls, IaC, and security automation, spanning architecture and implementation across security patterns, policies, and tooling.