Hybrid Linux Systems Engineer

at Medical Guardian

• Job title: Linux Systems Engineer
• Job type: Full Time
• Experience level: Mid level, Senior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: Ansible, Apache, AWS, Azure, Cloud, DNS, Google Cloud Platform, Grafana, HAProxy, JavaScript, Jenkins, Kubernetes, Linux, NGINX, Node.js, PHP, Prometheus, Python
• Location requirements: Hybrid, Philadelphia, United States

About the role

• Linux Systems Engineer responsible for managing Linux systems and enhancing cloud infrastructure. Collaborating across teams to ensure performance, security, and compliance standards are met.

Responsibilities

• Monitor system and application health using tools such as Datadog, Prometheus, Grafana, or Azure Monitor.
• Respond to alerts in real time, performing root cause analysis and executing immediate remediation when required.
• Restart or recover Linux services, containers, and background processes safely and efficiently.
• Analyze logs and system metrics to detect trends, prevent outages, and drive long-term stability improvements.
• Participate in on-call rotation and defined incident response procedures.
• Maintain, configure, and optimize Linux systems (e.g., Ubuntu, CentOS, or Red Hat) across production and development environments.
• Manage, configure, and troubleshoot Apache web servers, including virtual hosts, SSL/TLS certificates, modules, and performance tuning.
• Perform updates, patching, and configuration changes in line with change management and compliance standards (HIPAA, PCI, SOC 2).
• Automate maintenance and monitoring routines using Bash, Python, or Ansible.
• Support operational readiness for application releases and infrastructure changes.
• Work closely with application, platform, and development teams to ensure seamless deployments and stable operations.
• Collaborate regularly with the Managed Service Provider (MSP) to coordinate incident response, validate system health, and ensure SLA alignment.
• Participate in joint troubleshooting sessions with the MSP to identify root causes and implement permanent resolutions.
• Provide detailed system insights and maintain accurate communication channels between internal IT leadership and the MSP.
• Partner with Engineering and Platform teams to improve alerting, logging, and observability.
• Document all processes, incident reports, and runbooks in Confluence or equivalent repositories.
• Ensure system configurations align with internal security policies and compliance standards.
• Maintain logging and access controls consistent with HIPAA, SOC 2, and PCI DSS expectations.
• Apply the principle of least privilege and use secure methods for credential and key management.

Requirements

• 3+ years of hands-on experience managing and troubleshooting Linux-based production environments (e.g., Ubuntu, CentOS, Red Hat), supporting at least 50+ servers or VMs in enterprise or high-availability settings.
• Strong knowledge of Linux internals, including:
• Process management (ps, top, htop, etc.)
• Systemd service configuration and management
• Journald log review and tuning
• Performance tuning using tools like vmstat, iostat, sar, strace.
• Direct experience configuring and managing Apache web servers, including:
• Virtual hosts, modules (e.g., mod_ssl, mod_rewrite)
• SSL/TLS setup and certificate management (e.g., Let's Encrypt, custom CAs)
• Performance optimization techniques (e.g., KeepAlive tuning, gzip, caching modules)
• Monitoring and alerting experience with at least one major tool (list in resume preferred):
• Datadog, Prometheus, Nagios, Zabbix, Azure Monitor, or similar
• Automation experience, including:
• Bash scripting for recurring tasks (share sample scripts if applicable)
• Python scripting or Ansible playbooks for config management, deployments, or maintenance
• Experience with network and DNS troubleshooting (e.g., dig, nslookup, tcpdump, iptables, or netstat)
• Understanding of load balancing concepts (e.g., HAProxy, Nginx, or cloud-native load balancers)
• Demonstrated incident response or root cause analysis contributions (please highlight real examples in resume or cover letter)
• Strong documentation habits: e.g., created or maintained runbooks, internal wikis, or system diagrams
• Exposure to Azure (preferred) or other cloud platforms (AWS, GCP); ideally involved in VM provisioning, resource scaling, or hybrid infrastructure setup
• Familiarity with containerized environments, including:
• Dockerfile creation and image management
• Kubernetes basics (e.g., kubectl, pods, deployments, Helm charts)
• Experience integrating monitoring or infrastructure steps into CI/CD pipelines (e.g., using Azure DevOps, GitHub Actions, Jenkins)
• Basic understanding of web stacks from an operational standpoint:
• Familiarity with at least one runtime: PHP, Node.js, or Python
• Experience supporting app releases, restarts, or environment debugging
• Candidates must be authorized to work in the United States without current or future need for visa sponsorship.

Benefits

• Health Care Plan (Medical, Dental & Vision)
• Paid Time Off (Vacation, Sick Time Off & Holidays)
• Company Paid Short Term Disability and Life Insurance
• Retirement Plan (401k) with Company Match