[LPS] Senior Linux Engineer

Lenovo•Apply•Published 1 days ago•First seen 1 days ago

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Description and Requirements

We're looking for a Senior Linux Engineer to own the design, performance, and reliability of our Linux server estate. You'll be the go-to expert for Linux systems architecture, automation, and troubleshooting, spanning on-premises and cloud-hosted infrastructure (AWS and Azure).

What You'll Do

Own the architecture, build, and ongoing administration of Linux servers (RHEL/CentOS, Ubuntu, Debian, AWS Linux or similar) across the environment.
Perform deep-level troubleshooting across kernel, filesystem, storage, memory, and networking layers.
Harden systems against security vulnerabilities: patch management, CIS benchmarking, access controls, and audit logging.
Support and extend infrastructure into AWS and Azure where workloads run in the cloud — provisioning compute/storage, managing IAM, and integrating cloud-hosted Linux systems into existing monitoring and automation.
Lead capacity planning, performance tuning, and disaster recovery/backup strategy for Linux-based systems.
Participate in on-call rotation, drive incident response, and lead root-cause analysis and postmortems.
Document system architecture, runbooks, and standard operating procedures.
Mentor junior and mid-level engineers on Linux administration best practices and troubleshooting methodology.
Partner with security, networking, and application teams to ensure systems meet compliance and reliability requirements.

What We're Looking For

5-7 years of experience in Linux systems administration/engineering, ideally across large-scale, production environments.
Deep expertise in Linux internals: process management, filesystems, networking (TCP/IP, routing, firewalls), storage, and performance tuning.
Strong scripting/automation skills (Bash required; Python or similar strongly preferred)..
Working knowledge of virtualization (VMware, KVM, or similar) and containerization (Docker; Kubernetes a plus).
Practical experience running Linux workloads on AWS and/or Azure — provisioning, IAM, networking, and cost-aware operations.
Strong understanding of security hardening practices and compliance requirements (CIS benchmarks, patch management, audit logging).
Excellent troubleshooting skills and the ability to stay methodical under pressure during production incidents.
Strong communication skills and the ability to document and explain technical work clearly.

Certifications (Preferred)

Red Hat Certified Engineer (RHCE) or Red Hat Certified System Administrator (RHCSA).
LFCS/LFCE (Linux Foundation Certified Sysadmin/Engineer) a plus.
AWS Certified SysOps Administrator or Solutions Architect - Associate (nice to have).
Microsoft Certified: Azure Administrator Associate (nice to have).