Coalfire

Senior Site Reliability Engineer

Coalfire

full-time

Posted on:

Location Type: Remote

Location: United States

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Salary

💰 $86,000 - $148,000 per year

Job Level

About the role

  • Hands-on engineering work, including developing new deployments, automation scripts, and tooling to meet client deliverables focused on vulnerability management, infrastructure updates, and compliance requirements.
  • Develop and maintain Infrastructure-as-Code (IaC), utilizing Coalfire standard modules for Terraform, Ansible, and CI/CD pipelines across projects.
  • Partner with Technical Managers and engagement leads to evaluate risks, prioritize issues, and develop actionable mitigation plans across an SRE team’s portfolio of M&O clients.
  • Contribute to technical playbooks, standards, and frameworks for operational excellence in managed services delivery.
  • Own the patch management strategy for assigned environments, ensuring regulatory compliance and timely remediation of vulnerabilities.
  • Oversee Identity and Access Management (IAM), implementing and enforcing security best practices to protect sensitive data and ensure proper access controls.
  • Perform cloud administration and system administration tasks, such as provisioning resources, optimizing performance, and troubleshooting infrastructure issues.
  • Adhere to established quality standards for engineering deliverables, aligning with internal protocols, compliance regulations, and project deadlines.
  • Identify and communicate potential risks, working with relevant stakeholders to incorporate mitigation strategies that meet regulatory and client expectations.
  • Contribute to day-to-day agile project management tasks, including tracking progress, providing updates, and ensuring assigned activities are completed on schedule.
  • Mentor junior engineers, review their work, and help mature engineering practices.

Requirements

  • 5–7 years in systems engineering/SRE with increasing responsibility, including architecture design, operations, and automation.
  • 4+ years in cloud infrastructure management (AWS, Azure, or GCP) with multi-account and multi-environment experience.
  • 4+ years developing and maintaining IaC with Terraform/Ansible at scale.
  • Direct experience leading at least 1 operational improvement (e.g., reducing toil, enhancing SLAs, improving incident response).
  • Possess AWS Solutions Architect Professional certification
  • Demonstrated experience driving at least 1 successful team initiative and serving as the technical SME for a complex initiative.
  • Advanced Cloud Expertise: Strong hands-on experience with a major public cloud (AWS, Azure, or GCP), including architecture, security, and performance optimization.
  • IaC Leadership: Deep understanding of Terraform, and modern CI/CD automation practices; capable of reviewing and improving team IaC workflows.
  • Operational Excellence: Ability to lead troubleshooting of high-impact incidents, implement monitoring solutions, and improve system reliability.
  • Security-First Mindset: Experienced in aligning engineering solutions with frameworks such as FedRAMP, CIS, and NIST.
  • Collaboration & Leadership: Proven ability to lead cross-functional projects, mentor team members, and influence stakeholders.
  • Documentation & Communication: Skilled at creating technical documentation, architecture diagrams, and presenting complex solutions clearly to both technical and non-technical audiences.
  • Manage and maintain Windows and Linux server environments, including system hardening, GPO configuration, user management, OS-level troubleshooting, and ensuring consistent patching across hybrid environments.
  • US citizenship (required due to client contractual requirements)
Benefits
  • paid parental leave
  • flexible time off
  • certification and training reimbursement
  • digital mental health and wellbeing support membership
  • comprehensive insurance options
Applicant Tracking System Keywords

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

Hard Skills & Tools
Infrastructure-as-Code (IaC)TerraformAnsibleCI/CD pipelinescloud infrastructure managementAWSAzureGCPIdentity and Access Management (IAM)system administration
Soft Skills
mentoringcollaborationleadershipcommunicationrisk evaluationproblem-solvingagile project managementtechnical documentationstakeholder influenceoperational improvement
Certifications
AWS Solutions Architect Professional