Platform Engineer
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Job Description
Platform Engineer building scalable and secure technical platforms for Sentinel Blue. Focused on developing and maintaining shared infrastructure, automation, and tooling that underpin service delivery.
Responsibilities:
- 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.
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