Remote ISSE: AWS Security Engineer for DoD Systems

LMI; Tysons (VA); Hybrid; USD 92,000 - 158,000; Full time

Job summary

LMI is seeking an Information System Security Engineer (ISSE) to design, implement, and validate security controls for AWS infrastructure and mission applications supporting DoD mission partners. This remote role requires an active Secret clearance and may involve travel for assessments and access to approved facilities.

The ISSE will focus on security architecture, AWS/container security, automation, vulnerability remediation, and testing, coordinating with ISSO/ISSM to produce RMF and ATO

Qualifications

• Active Secret clearance required; ability to obtain TS if needed.
• 5+ years in systems security engineering, cloud security, or related field.
• Hands-on experience implementing and validating security controls; not just policy docs.
• Experience securing DoD information systems and DODIN connected environments.
• Hands-on AWS workloads security: IAM, VPC, security groups, encryption, logging/monitoring (CloudTrail, CloudWatch).
• Linux and container hardening with Kubernetes security controls.
• Automation using scripting, IaC, and configuration management with CI/CD pipelines.
• Strong networking knowledge: TCP/IP, segmentation, certificates, SSL, IAM.
• Experience applying RMF, NIST SP 800-53, STIGs, vulnerabilities remediation.

Responsibilities

• Translate mission needs into system architectures and testable security controls.
• Perform threat modeling and design reviews to identify risks before deployment.
• Engineer security controls for AWS, Linux, containers, Kubernetes, and apps; coordinate with owners.
• Configure identity, access controls, least-privilege, encryption, secrets management, auditing.
• Apply STIGs, baselines, and continuous monitoring to test changes for effectiveness.
• Automate security checks in CI/CD for code, dependencies, containers, and infra.

Skills

Active Secret clearance

Security engineering

AWS security

Linux/container hardening

Scripting / IaC

RMF / NIST 800-53

DoD 8140 workforce requirements

Technical writing

Travel readiness

Education

Bachelor's or Master's in cybersecurity / CS / IS

Security certifications (CISSP/ISSEP/CCSP, etc.)

Tools

Terraform

Ansible

GitLab

Helm

Policy as code

Job description

LMI is seeking an Information System Security Engineer (ISSE) to design, implement, and validate security controls for AWS infrastructure and mission applications supporting DoD mission partners. This remote role requires an active Secret clearance and may involve travel for assessments and access to approved facilities.

The ISSE will focus on security architecture, AWS/container security, automation, vulnerability remediation, and testing, coordinating with ISSO/ISSM to produce RMF and ATO