Senior Linux Systems Administrator

Analog Devices • Wilmington, MA

5d

About The Position

We are seeking an experienced Senior Linux Systems Administrator to design, maintain, and enhance enterprise Linux infrastructure across on‑premises and cloud environments. This role is responsible for ensuring performance, reliability, automation, and security of Red Hat–based systems. The ideal candidate is highly skilled in automation, storage technologies, and core infrastructure services and has a strong track record supporting mission‑critical Linux environments.

Requirements

• 7+ years of hands‑on Linux systems administration, with deep expertise in Red Hat Enterprise Linux.
• Strong automation experience using Ansible and/or Python.
• Hands‑on experience managing NetApp or comparable enterprise storage platforms.
• Experience supporting Linux workloads in AWS, Azure, or Google Cloud.
• Solid understanding of core services: LDAP, DNS, Kerberos, NFS, SSH, systemd, networking fundamentals.
• Proficiency in shell scripting (Bash) and modern configuration management workflows.
• Demonstrated ability to troubleshoot complex system, network, performance, and storage issues.
• Excellent communication skills and ability to collaborate in a fast‑paced environment.

Nice To Haves

• Experience with Terraform, Satellite, OpenShift, or similar ecosystem tools.
• Experience with monitoring tools (Prometheus, Grafana, ELK, Splunk).
• Prior involvement in designing secure, scalable enterprise Linux standards.

Responsibilities

• Install, configure, and administer Red Hat Enterprise Linux (RHEL) systems across physical, virtual, and cloud platforms.
• Maintain OS lifecycle: patching, tuning, upgrades, kernel configuration, and security hardening.
• Monitor system performance, troubleshoot issues, and implement proactive improvements.
• Support engineering and application teams to ensure reliable and scalable Linux hosting environments.
• Develop and maintain automation workflows using Ansible, Python, shell scripting, or similar tools.
• Create automated procedures for provisioning, configuration management, compliance enforcement, and system remediation.
• Improve operational efficiency through Infrastructure‑as‑Code practices.
• Manage enterprise storage systems with focus on NetApp ONTAP, NFS, SMB, snapshots, quotas, exports, replication, and performance tuning.
• Coordinate storage provisioning for Linux hosts and support backup/recovery strategies.
• Support and optimize Linux workloads hosted in public cloud (AWS, Azure, GCP).
• Integrate cloud compute, storage, networking, and identity services with on‑premises infrastructure.
• Implement cloud automation, monitoring, and security best practices.
• Maintain and enhance enterprise services including: LDAP (IdM / 389‑DS / Active Directory integration) DNS (BIND, cloud DNS, split‑horizon designs) Kerberos (cross‑realm trust, ticket policies, secure service deployments)
• Manage SSL/TLS certificate lifecycle, service authentication, and secure access policies. (UNIX/Linux services: NIS, DNS, etc.)
• Serve as a technical escalation point for Linux, storage, and automation issues.
• Collaborate with cross‑functional teams (Engineering, Cloud, Security).
• Document system architecture, procedures, and operational runbooks.

Benefits

• This position includes medical, vision and dental coverage, 401k, paid vacation, holidays, and sick time, and other benefits.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed