Sentinel Blue

Platform Engineer

Sentinel Blue

full-time

Posted on:

Location Type: Remote

Location: United States

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Salary

💰 $120,000 - $160,000 per year

About the role

  • Design, build, and maintain shared platform services that support secure and scalable infrastructure across client and internal environments.
  • Develop and maintain infrastructure-as-code (IaC) using tools such as Terraform, ARM/Bicep, or similar frameworks.
  • Build automation for system provisioning, configuration management, patching, and lifecycle operations.
  • Support and improve CICD pipelines, deployment workflows, and platform integrations.
  • Implement platform-level security controls, including identity integration, logging, monitoring, encryption, and segmentation.
  • Collaborate with Security Operations and Compliance teams to embed compliance and audit-readiness into platform designs.
  • Monitor platform health and reliability, supporting incident response, root cause analysis, and continuous improvement efforts.
  • Communicate platform designs, changes, and operational guidance clearly to internal teams and clients.
  • Contribute to platform documentation, standards, runbooks, and architectural diagrams.
  • Identify opportunities to reduce manual effort, improve consistency, and enhance developer and operator experience through automation.

Requirements

  • U.S. citizenship – by nature of our work with the defense industry, all employees must be eligible for a Secret clearance.
  • 2+ years of experience in platform engineering, infrastructure engineering, DevOps, systems engineering, or related technical roles.
  • Hands-on experience building and operating cloud infrastructure in Azure.
  • Practical experience with infrastructure-as-code, automation, configuration management, and change control systems.
  • Strong understanding of system security concepts such as IAM, least privilege, logging and monitoring, encryption, network segmentation, and backup/recovery.
  • Experience supporting platforms or systems aligned with security or compliance frameworks such as CMMC or NIST 800-171.
  • Proficiency with at least one scripting or programming language.
  • Demonstrated ability to design reliable systems, troubleshoot complex issues, and implement scalable solutions.
  • Strong written and verbal communication skills, including the ability to explain platform concepts to non-platform stakeholders.
  • CompTIA Security+ certification is required in the first 6 months of hire.
Benefits
  • Fully paid individual healthcare, vision and dental insurance for the employee.
  • Paid certification and training opportunities.
  • Three weeks of paid vacation + 10 paid holidays.
  • A supportive environment with a focus on keeping healthy work-life balance.
  • Retirement benefit (401k) with company match.
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
infrastructure-as-codeTerraformARMBicepCICD pipelinescloud infrastructureAzureautomationconfiguration managementscripting
Soft Skills
communicationcollaborationtroubleshootingdesign reliabilityincident responseroot cause analysiscontinuous improvementdocumentationguidanceproblem-solving
Certifications
CompTIA Security+