Senior Cloud Infrastructure Engineer (AWS)

<h3>Accountabilities</h3><li>Design, deploy, and operate secure, resilient, and highly available AWS infrastructure using services such as EC2, VPC, IAM, ECS, S3, RDS, Route 53, CloudWatch, and Systems Manager, following AWS Well-Architected Framework principles.</li><li>Optimize cloud infrastructure for security, performance, scalability, cost efficiency, and disaster recovery readiness.</li><li>Manage infrastructure as code using AWS CloudFormation and support CI/CD pipelines for container builds, infrastructure changes, and application deployments.</li><li>Operate containerized workloads on Amazon ECS and ECS Anywhere, and administer Rancher-native Cattle clusters to ensure reliable application delivery.</li><li>Serve as the Linux administration specialist, managing server provisioning, security hardening, patching, performance tuning, troubleshooting, and maintenance across physical, virtual, and cloud environments.</li><li>Administer Windows Server infrastructure, including Active Directory, Group Policy, DNS, DHCP, and IIS, across on-premises systems and AWS EC2 instances.</li><li>Maintain and optimize on-premises Nutanix hyperconverged infrastructure using Prism Element, Prism Central, and AHV, including virtual machine management, cluster health monitoring, capacity planning, upgrades, and data protection.</li><li>Automate infrastructure configuration, system maintenance, and patch management using Python, PowerShell, Bash, and AWS Systems Manager.</li><li>Manage SMTP relay infrastructure using Postfix and/or Amazon SES, ensuring reliable email delivery and maintaining SPF, DKIM, DMARC, and TLS configurations.</li><li>Oversee SSL/TLS certificate lifecycle management, including certificate requests, installation, renewal, and troubleshooting across IIS, Linux web servers, Postfix, AWS Certificate Manager, and load balancers.</li><li>Implement and maintain monitoring, logging, alerting, and incident response processes to strengthen system availability and operational reliability.</li><li>Participate in on-call rotations and troubleshoot infrastructure incidents, identifying root causes and implementing sustainable corrective actions.</li><li>Support security and compliance requirements, including HITRUST and SOC 2 controls, by maintaining secure configurations, operational documentation, and appropriate infrastructure safeguards.</li><li>Collaborate with technical and business stakeholders to prioritize infrastructure improvements, resolve operational challenges, and adapt to evolving business needs.</li><li>Contribute across cloud engineering, systems administration, and technical support responsibilities as priorities shift within a small, generalist team.</li><h2>Requirements</h2><li>At least 5 years of professional experience in Cloud Engineering, DevOps, Site Reliability Engineering (SRE), and/or Systems Administration, including at least 3 years supporting production workloads in AWS.</li><li>A bachelor's degree in a related discipline or equivalent practical experience.</li><li>Extensive hands-on experience with AWS services, including EC2, VPC, IAM, ECS, S3, RDS, Route 53, CloudWatch, Systems Manager, and AWS security and networking best practices.</li><li>Expert-level Linux administration skills, including provisioning, hardening, patching, performance optimization, troubleshooting, and server maintenance.</li><li>Strong Windows Server administration experience, particularly with Active Directory, Group Policy, DNS, DHCP, and IIS.</li><li>Practical experience managing Rancher-native Cattle clusters, Amazon ECS, and ECS Anywhere in production or comparable environments.</li><li>Demonstrated expertise in Nutanix hyperconverged infrastructure, including Prism Element, Prism Central, AHV, virtual machine administration, capacity management, and cluster maintenance.</li><li>Proficiency with infrastructure as code, particularly AWS CloudFormation, and experience supporting automated deployment and CI/CD workflows.</li><li>Strong scripting and automation capabilities using PowerShell and Bash; Python development experience is highly desirable, particularly for AWS automation and integrations using tools such as boto3.</li><li>Working knowledge of SMTP relay administration, including Postfix and/or Amazon SES, email authentication protocols, deliverability troubleshooting, and secure email transmission.</li><li>Hands-on experience with end-to-end SSL/TLS certificate management, including certificate signing requests (CSRs), certificate chains, OpenSSL, PEM/PFX formats, renewals, and installation.</li><li>Solid networking fundamentals, including TCP/IP, DNS, load balancing, VPNs, network troubleshooting, and security groups.</li><li>Familiarity with monitoring, logging, alerting, incident response, system reliability, backup strategies, and disaster recovery practices.</li><li>Understanding of infrastructure security and regulatory compliance requirements, with experience supporting HITRUST, SOC 2, HIPAA, or other regulated environments considered an advantage.</li><li>Strong troubleshooting, analytical, and problem-solving skills, with the ability to investigate complex infrastructure issues and deliver reliable solutions.</li><li>Excellent written and verbal communication skills, along with the ability to work independently, collaborate remotely, and explain technical concepts clearly.</li><li>A flexible, hands-on approach to work, with the ability to manage multiple responsibilities and adapt to changing priorities across cloud infrastructure, systems administration, and operational support.</li><li>Relevant professional certifications are preferred, including AWS Solutions Architect, AWS SysOps Administrator, AWS DevOps Engineer, Red Hat, Linux Foundation, Microsoft, or Nutanix certifications such as NCP-MCI.</li><li>
<strong>Location requirement:</strong>Applicants must reside in one of the following U.S. states to be eligible for this remote position: Arizona, Colorado, Florida, Georgia, Illinois, Indiana, Kansas, Kentucky, Maryland, Massachusetts, Missouri, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Utah, Virginia, or Wisconsin.</li><h2>Benefits</h2><li>
<strong>Remote work:</strong>Fully remote working arrangement for candidates residing in the eligible U.S. states.</li><li>
<strong>Career development:</strong>Opportunities to expand expertise across cloud engineering, DevOps, infrastructure automation, Linux, Windows, and enterprise systems.</li><li>
<strong>Meaningful work:</strong>The opportunity to support technology infrastructure that helps healthcare organizations improve provider data quality, credentialing, and compliance.</li><li>
<strong>Technical ownership:</strong>Broad responsibility across cloud and on-premises infrastructure, with opportunities to influence architecture, security, automation, and operational practices.</li><li>
<strong>Professional growth:</strong>Access to coaching, training, and learning opportunities to support ongoing technical development and career progression.</li><li>
<strong>Flexible career development:</strong>Opportunities to shape aspects of your career path and educational development according to your professional goals.</li><li>
<strong>Collaborative environment:</strong>Work within a small, adaptable technical team where knowledge sharing, initiative, and practical problem-solving are valued.</li><li>
<strong>Innovation and continuous improvement:</strong>Opportunities to contribute ideas, modernize infrastructure, improve processes, and implement new technical solutions.</li><li>
<strong>Community engagement:</strong>Opportunities to participate in community initiatives and activities that support positive social and environmental impact.</li><li>
<strong>Inclusive workplace:</strong>An equal opportunity environment that welcomes qualified applicants regardless of protected personal characteristics.</li>