Work Preference
Summary
Overview
Work History
Education
Skills
Certification
Linkedin Profile
Timeline
SoftwareEngineer
Caleb Cox
Open To Work

Caleb Cox

Principal DevOps Automation Engineer
Valley,WA

Work Preference

Job Search Status

Open to work
Desired start date: Immediately

Desired Job Title

Principal Engineer – DevOps Software DeveloperPrincipal Engineer – DevOps AutomationSr. Systems Engineer – Infrastructure AutomationSr. Systems AdministratorSr. Systems Engineer

Work Type

Full Time

Location Preference

RemoteHybrid
Location: Valley, WA, USSpokane, WACoeur d'Alene, ID
Open to relocation: Yes

Salary Range

$175000/yr - $265000/yr

Important To Me

Work-life balanceCompany CultureHealthcare benefitsWork from home optionPaid time offStock Options / Equity / Profit SharingPersonal development programs

Summary

Dynamic Principal Engineer specializing in ServiceNow development and configuration automation. Proven track record in enhancing infrastructure management and patching systems, driving efficiency through innovative solutions. Strong problem-solving abilities and effective team collaboration have led to successful deployments and improved operational compliance across enterprise environments.

Overview

26
26
years of professional experience
2
2

Certifications

Work History

Principal Engineer – DevOps Software Developer

T-Mobile USA
Remote
03.2020 - Current
  • Principal DevOps Software Developer on team responsible for ServiceNow development, support, and deployment of scoped applications to support company-wide automated patching systems for Linux, AIX, and Windows, as well as integration applications with Puppet and Ansible platforms.
  • Quickly learned ServiceNow platform and became certified as a platform administrator and application developer to support, improve, and create new scoped applications for Infrastructure Automation team.
  • Developed new ServiceNow scoped application-based Windows automated patching system integrated with Ansible automation platform.
  • Developed new node classification ServiceNow scoped application to discover all relevant T-Mobile servers for management by Ansible, along with all relevant system data, to generate dynamic auto-managed inventory for Ansible platform and automation team.
  • Developed and implemented maintenance schedule systems in ServiceNow for automated patching of Unix (quarterly/monthly) and Windows (monthly) servers, along with service catalog forms for managing schedules for each teams' infrastructure.
  • Developed multiple inbound and outbound APIs for ServiceNow scoped applications to integrate with multiple platforms such as Puppet, Ansible, NEST, and Morpheus.
  • Learned Ansible platform and helped develop, test, and implement Ansible code and playbooks for migrating automated patching processes from Puppet to Ansible for Windows, Linux, and AIX servers.

Principal Engineer – DevOps Automation

T-Mobile USA
Bothell, WA
03.2017 - 03.2020
  • Principal DevOps Automation Engineer on team responsible for Enterprise-wide Server Configuration Management, Patching, Automation, OS Deployments, and Software Deployments; utilizing ServiceNow, Puppet, Chocolatey, SCCM, SCOR, JavaScript, PowerShell, and scripting.
  • Developed expertise in Puppet to enhance software deployment and configuration processes.
  • MSSQL database servers.
  • ServiceNow MID Servers.
  • Various software agents required by T-Mobile.
  • Unix and Windows Automated Patching.
  • Developed Windows server packages using Chocolatey and trained engineers from multiple teams on effective implementation for application management.
  • Created and maintained automated monthly Windows Server patching systems, continuously adapting to new tools and solutions over a decade.
  • Developed and deployed many Chocolatey packages and trained multiple teams on the use of Chocolatey throughout the organization.
  • With a core team, implemented VMware vRealize Automation (vRA) as a successful P.O.C. then into full production as our internal IaaS solution.
  • Developed vRA Blueprints and vRO (VMware Orchestrator) workflows for all Windows Server builds, including error handling, then tested and deployed to production environments.
  • Designed vRA Blueprints for On-Demand delivered MSSQL servers that met SOX and PCI compliance and were integrated into monitoring and backups.

Sr. Systems Engineer – Infrastructure Automation

T-Mobile USA
Bothell, WA
09.2012 - 03.2020
  • Sr. Engineer for Configuration Manager (SCCM) at T-Mobile and its infrastructure and associated features and services, covering nearly 100,000 systems. Responsibilities include: Windows Server Patching, Software Deployments, OS Deployments, and Configuration Management.
  • Automated (via PowerShell and SCOR) a process for downloading, verifying and importing end-of-life Windows Server patches from Microsoft's Custom Support Program Portal.
  • Designed Visio workflow and map for Enterprise Automated Patching of all corporate Windows Servers, and created PowerShell scripts and Orchestrator Runbooks necessary to carry out monthly automated patching from an external workflow system (ServiceNow).
  • Coordinated integration of ServiceNow and in-house ITSM solution with Configuration Manager (SCCM) and Orchestrator (SCOR) to streamline automated patching and change management for monthly server security updates.
  • Developed, created, and implemented an automated method for customized MSSQL PCI-compliant installs from web-based App Catalog to any server, and for any desired MSSQL role (i.e. Database, Analysis Services, Reporting).
  • Developed scripts and SCCM task sequences to automate proof of concept ‘T-Shirt' based MSSQL server requests, enabling provisioning of necessary IaaS and PaaS components.
  • Helped plan and carry out the migration of SCCM primary site server and database server from virtual to physical infrastructure, followed later by a successful upgrade to the ‘Current Branch' version of SCCM 2016.
  • Created a proof of concept and user trial for Citrix XenMobile, which included application management, device management, and integration with NetScaler, Citrix ShareFile, and XenApp.

Sr. Systems Administrator

TCA Holdings
Chicago, IL
10.2011 - 09.2012
  • Implemented SCCM 2012 through entire environment, including remote Distribution Points, and deployed a replacement version of MS Office throughout the network for audit compliance.
  • Built, configured, and implemented a Systems Center Operations Manager 2007/2012 monitoring system for all company servers, and helped configure Configuration Manager 2012.
  • Created new multi-tiered CommVault backup strategy and naming scheme for tape archiving and rotation.
  • Gained knowledge of and implemented Tenable Network security scanning appliance for PCI 2.0 compliance throughout entire company network and systems.
  • Configured and implemented Motorola wireless network management system with certificate-based authentication for all company owned club locations and corporate office.

Sr. Systems Engineer

SumTotal (through TechUSA)
Chicago, IL
06.2011 - 10.2011
  • Managed three Citrix XenDesktop farms, overseeing associated servers, virtual desktop machines (VMDs), client/user accounts, and group policies to ensure optimal user access.
  • Created and documented new XenDesktop collection pool for training environment; tested and upgraded vDisk images to enhance training resources.
  • Managed NetApp filer storage for production and corporate environments; implemented NetApp System Manager for streamlined administration.
  • Administered Corporate and Production Windows Servers and VMware clusters across three Data Centers.
  • Managed VPN accounts on all NetScreen firewalls.

Windows & VMware Systems Engineer

Incisent Technologies
Chicago, IL
07.2010 - 06.2011
  • Built VMware vCenter 4.1 server and two VMware hosts, enhancing stability for corporate environment and supporting new server needs and development initiatives.
  • Migrated Production vCenter server to newly built 4.1 server, then upgraded ESX and ESXi VMware hosts to v4.1 to allow for vMotion and HA features.
  • Converted all servers running on out-of-warranty hardware over to virtual servers to reduce costs and data center footprint.
  • Documented entire company network, including storage, network, and server infrastructures using Microsoft Visio, Excel, and Word for improved system understanding and management.
  • Deployed a SharePoint 2010 Foundation system for company intranet, department sub-sites, discussion boards, and centralized corporate document management.
  • Researched and proposed new NetApp storage platform for production and corporate infrastructure, including plans to repurpose older hardware for data archiving, development, and secondary DR backups.
  • Installed and configured new NetApp Filer storage unit, and identical D.R. Filer, then migrated VMware, share file storage, and MSSQL Database clusters to the new storage from Dell and EMC SANs.
  • Migrated Engineering Development environment from Colo facility to Corporate office and re-architected network for it to allow for a faster and more efficient development cycle.
  • Designed and built out a new Beta environment which matched Production more accurately to ensure higher quality software deployments.

Infrastructure & Windows Engineer

Aptimus, Inc. (Apollo Group)
Seattle, WA
02.2006 - 06.2010
  • Engineer and Administrator for all Windows-based servers and systems along with all software running on them.
  • Built and deployed Exchange servers for remote San Francisco office, enhancing email access and establishing a disaster recovery plan.
  • Re-architected NetBackup/DataDomain backup systems for Corporate/Infrastructure and Production/Data Center environments, implementing design and building necessary systems.
  • Implemented Mobile Messaging systems for nearly every kind of mail enabled phone, which were built for GoodLink, Blackberry Enterprise Server, Visto, and full deployment of OMA/ActiveSync for all Exchange supported mobile devices.
  • Restored primary domain controller functionality within one workday following two outages, ensuring minimal disruption to operations.
  • Migrated Antivirus system from McAfee to Symantec Enterprise on all company PCs and servers.
  • Coordinated daily with Linux and Network Engineers to implement and maintain integration between systems.
  • Wrote how-to documentation for building images for desktop and laptop deployment as well as for User Profile setup and migrations for technical staff and users.

Systems Engineer, Network Administrator, Messaging Administrator

Dwango Wireless
Seattle, WA
02.2005 - 02.2006
  • Managed corporate IT infrastructure, overseeing Cisco Call Manager and Cisco Unity voicemail systems to ensure reliable communication services.
  • Integrated Cisco Call Manager VoIP server with Exchange and Active Directory to streamline communication processes across platforms.
  • Built and migrated Exchange 2003 server with redundant internal hardware, redirecting dependent internal services to maintain operational continuity.
  • Built new primary and secondary domain controllers then migrated from old 2000 DC and 2000 domain to new DC's and a 2003 domain.
  • Managed vendor relationships and IT purchasing, including product research and recommendations.
  • Oversaw internal inventory of equipment and software, and handled all software purchases.
  • Compiled and organized Service Level Agreements into a centralized document.
  • Recorded all servers in the corporation across each environment, detailing major configurations and connections.

Systems Engineer, Network Administrator, Messaging Administrator

John L. Scott Real Estate
Bellevue, WA
01.2004 - 02.2005
  • Built a highly available, redundant, fault tolerant, clustered Exchange 2003/Server 2003 system from the ground up requiring a range of skills that included:
  • Fabricated custom CAT5 cabling for all devices to ensure reliable network connectivity.
  • Configuring Redundant fiber switch zoning and redundant HBA's.
  • Creating storage groups and published LUN's for the Exchange and MSSQL databases.
  • Configuring Netscreen firewall with redundant fiber internet connections and zones.
  • Configuring redundant Cisco managed switches including VLAN's.
  • Installing and tuning Windows Server 2003 on each HP/Compaq ProLiant server and setup new Active Directory domain along with all core services.
  • Creating an active, active, passive cluster followed by the full install, setup, and configuration of Exchange 2003 on all nodes.
  • Creating a network load balanced cluster of four front end Exchange 2003 servers and setup Outlook Web Access with SSL Encryption.
  • Migrated over 5200 mail accounts from a customized e-mail system to Microsoft Exchange 2003, including user profile values, mail, contacts, and spam lists.
  • Developed a secure test environment, isolated from corporate network, for hardware and software testing, also providing backup internet connection for corporate headquarters.
  • Created documentation and Visio diagrams for enterprise network maintenance, covering e-mail system, crisis situations, disaster recovery, network structure, and configurations.
  • Reconfigured WAN routing protocols across all company routers for optimal efficiency, cleaned up the configuration and increased the security on each.

Network Field Technician, Backup Administrator

John L. Scott Real Estate
Bellevue, WA
01.2003 - 03.2004
  • Performed team project installs and upgrades of 400+ computers across 28 offices, setting up child domains and servers for file sharing and color print serving.
  • Created system of images for every type of configuration in network which increased efficiency in rebuilding, upgrading, and installation of systems for the department.
  • Fixed the unused tape backup device, chose the best compatible backup software, and implemented a daily backup process for all crucial company data.
  • Coordinated with team to migrate corporate workstations to Windows 2000 and implemented new naming schema.
  • Successfully migrated 11 new branch offices from a private LAN at each, to the company WAN and domain, and established file and print servers in each.

Education

College Prep Diploma -

Bozeman Senior High School

Some College (No Degree) - Physics, Computer Engineering

Montana State University

Skills

  • ServiceNow development and integration
  • Infrastructure as Code (Ansible, Puppet)
  • Continuous integration and deployment strategies
  • Configuration management
  • Scripting languages and API development
  • Windows and Linux patching
  • Server and infrastructure management
  • Automated Testing Frameworks
  • Virtualization technologies and version control
  • DevOps Team Leadership
  • Problem solving and troubleshooting
  • Change control management in IT systems
  • Monitoring and Metrics
  • Team collaboration and communication
  • Technical mentoring and leadership
  • Adept at mastering new technologies

Certification

  • ServiceNow Certified Systems Administrator, 2021
  • ServiceNow Certified Application Developer, 2022

Linkedin Profile

https://www.linkedin.com/in/calebandrewcox/

Timeline

Principal Engineer – DevOps Software Developer

T-Mobile USA
03.2020 - Current

Principal Engineer – DevOps Automation

T-Mobile USA
03.2017 - 03.2020

Sr. Systems Engineer – Infrastructure Automation

T-Mobile USA
09.2012 - 03.2020

Sr. Systems Administrator

TCA Holdings
10.2011 - 09.2012

Sr. Systems Engineer

SumTotal (through TechUSA)
06.2011 - 10.2011

Windows & VMware Systems Engineer

Incisent Technologies
07.2010 - 06.2011

Infrastructure & Windows Engineer

Aptimus, Inc. (Apollo Group)
02.2006 - 06.2010

Systems Engineer, Network Administrator, Messaging Administrator

Dwango Wireless
02.2005 - 02.2006

Systems Engineer, Network Administrator, Messaging Administrator

John L. Scott Real Estate
01.2004 - 02.2005

Network Field Technician, Backup Administrator

John L. Scott Real Estate
01.2003 - 03.2004

College Prep Diploma -

Bozeman Senior High School

Some College (No Degree) - Physics, Computer Engineering

Montana State University
Caleb CoxPrincipal DevOps Automation Engineer