Linux Systems Administrato

All Lines Technology•Cranberry, PA

About The Position

All Lines Technology is seeking a Linux & Windows Systems Administrator with 3–5 years of hands-on experience supporting, maintaining, and deploying Linux and Microsoft systems in a production environment. This role supports a mixed infrastructure environment and requires working knowledge of both Linux and Microsoft platforms. This individual will perform system administration, incident resolution, and NOC‑style operational tasks while following documented procedures and best practices. Success in this role requires strong troubleshooting skills, attention to detail, excellent customer communication, and a mindset grounded in continual improvement.

Requirements

3–5 years of Linux system administration experience in a production environment
Experience with Linux OS installation and configuration
Experience with OS patching and update management
Experience with Troubleshooting system, service, and performance issues
Working knowledge of Windows Server administration
Working knowledge of Microsoft 365 services
Working knowledge of Entra ID (Azure AD) fundamentals
Experience in an MSP or multi‑tenant environment preferred
Strong analytical and problem‑solving skills
Ability to follow documented procedures precisely and consistently

Nice To Haves

Experience supporting cloud environments, including Amazon Web Services (AWS) (EC2, basic networking, infrastructure operations)
Experience supporting cloud environments, including Microsoft Azure (VMs, storage, networking, or hybrid identity integrations)
Familiarity with hybrid cloud environments integrating on prem systems with Azure and/or AWS
Experience with identity and access management in cloud environments (Azure AD / Entra ID integrations)
Virtualization experience (VMware, Hyper V, or cloud based platforms)
Scripting or automation experience (Bash, PowerShell, Python – basic to intermediate)
Industry certifications are a plus: Linux+
Industry certifications are a plus: Network+
Industry certifications are a plus: Microsoft certifications
Industry certifications are a plus: AWS certifications
Strong customer service mindset
Ability to communicate with both technical and non‑technical users
Organized, process‑driven, and detail‑oriented
Comfortable working in fast‑paced, multi‑client environments
Positive, team‑focused attitude

Responsibilities

Install, configure, maintain, and patch Linux operating systems across client and internal environments
Any major distribution (Ubuntu, Red Hat, CentOS, Debian, etc.)
Perform operating system upgrades, security patching, and remediation of OS‑level vulnerabilities
Deploy fresh Linux OS installations for servers and virtual machines
Troubleshoot Linux system performance, services, and application‑level issues
Monitor system health and respond to alerts in a NOC/managed services environment
Provide administrative support for Windows Server (basic to intermediate level)
Provide administrative support for Microsoft 365 tenant services
Provide administrative support for Entra ID (Azure AD) user, group, and access management
Assist with identity‑related troubleshooting in hybrid environments
Collaborate with Windows‑focused engineers on cross‑platform issues
Work within the ticketing system to document incidents, resolutions, and root causes
Follow documented SOPs and escalation paths consistently
Accurately determine when issues require escalation to higher tiers
Communicate clearly with end users and internal teams via phone, email, and ticket updates
Support multiple client environments across varied industries
Participate in after‑hours or on‑call rotations as required
Utilize and contribute to the internal knowledge base
Identify opportunities for process improvement and automation
Maintain current technical knowledge through ongoing learning and training