Senior IT Infrastructure Engineer

Overview

Certara accelerates the potential of bringing medicines to market and to patients using biosimulation software, technology, and services to transform traditional drug discovery and development. Our clients include more than 2,400 biopharmaceutical companies, academic institutions, and regulatory agencies across 70 countries.

Our goal is to enable the life sciences industry's use of data, modeling, and analytics to make better decisions across the various phases of discovery and drug development. Our software and scientists incorporate modern advances in scientific understanding, drug development experience, data analysis, and AI, resulting in significant opportunities to decrease the cost and increase the probability of success for new drug approval and commercialization.

Certara is seeking an experienced Senior IT Infrastructure Engineer – Linux SME to design, deploy, administer, and optimize our enterprise Linux infrastructure across on-premises data centers, virtualized environments, and Microsoft Azure.

This is a hands-on engineering position responsible for the end-to-end lifecycle of Linux-based infrastructure, including operating systems, physical and virtual servers, enterprise storage, networking, automation, performance optimization, and disaster recovery.

The successful candidate will serve as a subject matter expert (SME) for Linux infrastructure, providing technical leadership, architectural guidance, and Level 3 escalation support while ensuring our systems remain secure, resilient, scalable, and operationally efficient.

The ideal candidate combines deep Linux engineering expertise with practical experience managing enterprise server hardware, storage technologies, virtualization platforms, and cloud infrastructure.

Responsibilities

Core Responsibilities

• Linux Infrastructure Administration
  • Design, deploy, maintain, and troubleshoot enterprise Linux environments, including RHEL, Ubuntu, and SUSE.
  • Manage Linux server provisioning, patching, upgrades, security hardening, and lifecycle management.
  • Optimize system performance, availability, and operational reliability.
• Physical Servers & Hardware Management
  • Provision and maintain enterprise servers and associated hardware.
  • Configure BIOS/UEFI, RAID controllers, HBAs, firmware, and out-of-band management tools (iDRAC, iLO, IPMI).
  • Troubleshoot hardware failures and coordinate server maintenance, replacements, and upgrades.
• Storage & Networking
  • Configure and manage Linux filesystems, LVM, SAN/NAS storage, and storage connectivity.
  • Administer Linux networking, including TCP/IP, DNS, VLANs, routing, and network bonding.
  • Troubleshoot storage, network connectivity, and infrastructure performance issues.
• Virtualization & Cloud Infrastructure
  • Deploy, administer, and troubleshoot Linux workloads across VMware and Microsoft Azure.
  • Manage virtual machines, storage, networking, and infrastructure integrations.
  • Support infrastructure migrations, modernization, and capacity optimization.
• Automation & Infrastructure as Code
  • Develop automation scripts using Bash, Python, and related technologies.
  • Implement configuration management and infrastructure automation using Ansible, Terraform, or equivalent tools.
  • Standardize server provisioning, configuration, and maintenance processes.
• Performance, Reliability & Disaster Recovery
  • Monitor and optimize Linux infrastructure performance, capacity, and availability.
  • Support high-availability configurations, backup solutions, and disaster recovery processes.
  • Perform root cause analysis and implement long-term solutions to recurring infrastructure issues.
• Security, Compliance & Operational Support
  • Maintain secure Linux environments through system hardening, vulnerability remediation, and patch management.
  • Support enterprise security, compliance, and change management requirements.
  • Provide Level 3 technical support, maintain documentation, and collaborate with infrastructure, security, and application teams.

Qualifications

Required Qualifications

• 7+ years of hands-on experience engineering, administering, and troubleshooting enterprise Linux infrastructure.
• Advanced expertise with Red Hat Enterprise Linux (RHEL) or equivalent enterprise Linux distributions.
• Demonstrated experience managing Linux systems across physical servers, virtualized environments, and cloud infrastructure.
• Hands-on experience provisioning and troubleshooting enterprise server hardware, including BIOS/UEFI, RAID/HBA controllers, firmware, and out-of-band management.
• Strong knowledge of Linux filesystems, LVM, storage management, and enterprise storage connectivity.
• Strong understanding of Linux networking, including TCP/IP, DNS, routing, VLANs, network bonding, and firewall management.
• Practical experience administering Linux virtual machines within VMware or comparable enterprise virtualization platforms.
• Experience supporting Linux workloads in Microsoft Azure.
• Proficiency in Bash, Python, or equivalent scripting languages for infrastructure administration and automation.
• Experience with configuration management or infrastructure automation technologies such as Ansible.
• Strong understanding of Linux security hardening, patch management, performance monitoring, and system troubleshooting.
• Experience supporting high-availability systems, backup and recovery processes, and disaster recovery procedures.
• Proven ability to independently diagnose and resolve complex infrastructure issues in production environments.
• Experience working within structured enterprise change management, incident management, and operational governance processes.
• Strong technical documentation, communication, and cross-functional collaboration skills.

Preferred Qualifications

• Red Hat Certified Engineer (RHCE) or Red Hat Certified System Administrator (RHCSA).
• Experience with Terraform or other Infrastructure as Code technologies.
• Experience administering SUSE Linux Enterprise Server or Ubuntu Server.
• Familiarity with advanced enterprise storage technologies, including Ceph, NVMe-oF, or RDMA.
• Experience with high-availability clustering technologies such as Pacemaker and Corosync.
• Experience with enterprise monitoring solutions such as Prometheus, Grafana, Zabbix, or equivalent platforms.
• Familiarity with container technologies, including Docker, Podman, and Kubernetes.
• Exposure to CI/CD pipelines and Git-based infrastructure configuration management.
• Experience supporting infrastructure within regulated, audited, or compliance-driven organizations.
• Familiarity with Windows Server infrastructure and hybrid enterprise environments.
• Experience participating in data center migrations, infrastructure modernization, or cloud transformation initiatives.

Certara bases all employment-related decision on merit, taking into consideration qualifications, skills, achievement, and performance. We treat all applicants and employees without regard to personal characteristics such as race, color, ethnicity, religion, sex, sexual orientation, age, nationality, marital status, pregnancy, physical or mental condition, genetic information, military service, or other characteristic protected by law.