Linux Systems Administrator & Infrastructure Reliability

James Stewart ********@*****.*** 484-***-**** * / 2

JAMES STEWART

Linux Systems Administrator Infrastructure Reliability Folcroft, PA 484-***-**** ********@*****.*** Open to remote, onsite, and relocation opportunities Linux systems administrator with 10+ years of infrastructure experience across cloud hosting, healthcare, customer-facing services, and consulting. Background in Debian, Ubuntu, virtualization, high availability, and monitoring. Experience migrating bare-metal infrastructure to virtualized and cloud environments, maintaining operational automation, and writing and validating technical documentation.

TECHNICAL SKILLS

Linux: Debian, Ubuntu, Red Hat, SUSE, Fedora

Cloud & virtualization: AWS-hosted Linux, KVM, VMware, Hyper-V; Kubernetes/RKE architecture groundwork

Reliability & operations: Nagios, Icinga, Galera, Corosync, DRBD; infrastructure migrations, backups, systems-management scripting

Networking & security: OpenVPN, Cisco AnyConnect, iptables, firewalld, DNSMasq, DJBDNS, SAML Databases: MySQL, MariaDB, PostgreSQL, Cassandra, MongoDB Services: Apache, Nginx, Samba, Postfix, Qmail

PROFESSIONAL EXPERIENCE

ZERO ONE TECHNOLOGY GROUP Folcroft, PA

Owner / System Architect Jan 2012 - Present

• Provide open-source consulting and physical-to-virtual solutions for technology firms and data center implementations.

• Configure and manage hosted and off-site backups for client environments.

• Deliver retainer-based remote and onsite technical support; manage hardware lifecycle planning and purchasing for small business clients.

AZALEA HEALTH Valdosta, GA

Linux Systems Administrator Aug 2023 - Oct 2023

• Administered Linux infrastructure hosted in AWS for a healthcare technology organization.

• Contributed to security-monitoring improvements supporting a compliance certification initiative. RAJANT HEALTH Malvern, PA

Linux Systems Administrator Apr 2022 - Apr 2023

• Developed preliminary Kubernetes architecture using the RKE distribution.

• Maintained SAML configuration for user access control in an Apple workstation environment. James Stewart ********@*****.*** 484-***-**** 2 / 2 JAMES STEWART

Linux Systems Administrator Infrastructure Reliability PROFESSIONAL EXPERIENCE, CONTINUED

FASTMAIL Philadelphia, PA

Senior Systems Administrator Jan 2021 - Apr 2021

• Administered customer-facing Linux infrastructure and maintained automation scripts for systems management.

ZORUS Norwalk, CT

Linux Administrator Nov 2020 - Dec 2020

• Administered Linux infrastructure across virtual environments and performed light automation scripting.

TRIDIUUM Philadelphia, PA

Senior Systems Administrator Apr 2019 - Oct 2020

• Administered virtualized Linux infrastructure and deployed systems on customer and co-located virtual hardware.

• Integrated HIPAA-compliant security measures into infrastructure operations. SENSAPHONE Aston, PA

Systems Administrator Mar 2016 - Apr 2019

• Managed the transition from an end-of-life hardware and operating-system stack to replacement infrastructure.

• Migrated primary infrastructure from bare metal to co-located hypervisors and cloud environments.

• Configured and maintained internal Linux and Windows systems and hosted, customer-facing infrastructure for core products.

• Configured monitoring and automation scripts to monitor infrastructure health.

• Managed purchasing and inventory tracking for server and networking hardware. LINODE, LLC Galloway, NJ

Linux Server Administrator / Technical Documentation Aug 2013 - Mar 2016

• Authored and maintained internal and customer-facing documentation; tested internal and externally submitted guides for technical accuracy.

• Maintained Linux distribution templates for deployment on customer infrastructure.

• Helped customers select, set up, and configure virtual private servers.

• Maintained internal documentation systems and assisted with technical onboarding and training for new employees.

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