Platform Engineer

🕒 January 24

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Sentinel Blue

WebsiteLinkedInAll Job Openings

11 - 50 employees

🔒 Cybersecurity

📋 Compliance

🏛️ Government

Cybersecurity • Compliance • Government

Sentinel Blue is a cybersecurity services firm based in Warrenton, VA, offering comprehensive cybersecurity solutions tailored to small and medium-sized businesses. The company specializes in fully managed cybersecurity services, compliance advisory, and Gov Cloud solutions, ensuring organizations are protected and compliant with industry standards. Utilizing best-in-class technologies like Microsoft Sentinel, Azure Government, and Zero Trust frameworks, Sentinel Blue provides services such as virtual CISO and CIO roles, security operations centers, and extended detection and response. The company is committed to enhancing its clients' cybersecurity maturity and regulatory compliance, particularly focusing on CMMC and risk assessments. Sentinel Blue prides itself on its core values of emerging technology leadership, excellence, and a client-centric approach.

📋 Description

• 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.