Robert Sigler

Technology & Operations Leader

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I am a technology leader who empowers a diverse workforce through mentoring, hands-on teaching and building sustainable teams. With a career rooted in systems engineering and programming, I can navigate all aspects of systems, networking, storage, and software/application operations while maintaining tactical and strategic focus.

Work Experiences

Senior Manager, Operations

McKesson/CoverMyMeds | 2020 Feb - present

Transitioned from Engineering to Operations to build upon career acumen.

  • Managing a 24x7x365 team responsible for mainframe, Windows, Linux, VMware ESX, Veritas Netbackup, Oracle tape library, and other general data center functions.
  • Modernizing daily operations technologies.
  • Managed transition of on-site team to 100% remote.
  • Building Tier-1 support and incident response teams for application and system processes.
  • Interfacing between engineering support teams, operations teams, and business teams to solve complex product operational challenges.
  • Participating in SOX, SSAE, government regulator, and internal audits.
  • Mentoring peers, junior leaders, and individual contributors.

Senior Manager, Systems Engineering

McKesson/RelayHealth | 2016 Dec - 2020 Feb

Promoted to Senior Manager of combined engineering team, building upon Supervisor responsibilities.

  • Managed various technology platforms, including Linux, Windows, VMware, and Infoblox. Experience with Dell, HP, and Cisco hardware.
  • Managed 24x7 systems in on-premises geo-diverse data centers and cloud computing providers.
  • Platforms included high-performance computing, database, real-time transaction processing, batch processing, web/UI/presentation tiers, general applications, and data center services (DNS, SMTP, NTP, SNMP, and authentication/authorization).
  • Evaluated and procured data center hardware and software.
  • Maintained periodic software licensing for Linux, Windows, VMware, and data support systems.
  • Managed compliance with government regulatory requirements and industry standards.
  • Engaged in workforce management and coaching direct-reports in areas of individual career development.
  • Bridged the “understanding gap” between business and technical staff and led cross-team collaborative initiatives.

Supervisor, UNIX Systems Engineering

McKesson/RelayHealth | 2015 Apr - 2016 Dec

Promoted to Team Supervisor, building upon Senior/Lead responsibilities.

  • Provided day-to-day engineering support and guidance to a team of UNIX/Linux engineers.
  • Managed UNIX and Linux infrastructure projects and provided final approval of technical designs.
  • Managed team vacation time, on-call, and timesheets.
  • Conducted yearly performance reviews, career coaching, and disciplinary actions.

Charter Board Member, McKesson LGBT Employee Resource Group

McKesson | 2010 Spring - 2014 Spring

Joined board as a charter member, working with corporate sponsorship to establish Atlanta-based Employee Resource Group.

  • Worked with senior leadership and corporate Diversity & Inclusion team to craft LGBT-friendly workplace policies.
  • Organized and hosted employee engagement events.
  • Continued to advise board after service term.

Senior/Lead UNIX Systems Engineer

McKesson/RelayHealth | 2008 Jan - 2015 Apr

Designed, architected, and implemented enterprise Linux systems.

  • Designed, architected, and implemented Linux high performance compute clusters, Oracle databases, system deployment/management services, LDAP authentication/authorization platform, and virtual systems deployment (VMware ESX, Xen, and KVM).
  • Provided day-to-day direction to junior System Administrators.
  • Worked with peer teams to deploy and manage service and software implementations.

Senior UNIX Systems Engineer

Cedar Document Technologies | 2006 Nov - 2007 Dec

Designed, architected, and implemented enterprise UNIX, Linux, and VMware ESXi systems.

  • Deployed and managed Red Hat Enterprise Linux systems, Solaris systems, 3PAR SANs.
  • Maintained internal and external DNS infrastructure.
  • Architected and implemented VMWare ESX systems.
  • Managed F5 Load balanced pools of Apache HTTPd, Tomcat, and Email services.
  • Designed, deployed, and maintained NetBackup services.
  • Managed public internet/customer-facing production environment.
  • Created a web-based interface for production statistics reporting, service management, and preemptive service outage alerting.

Senior Systems Engineer

First Data Corporation | 1998 Nov - 2006 Dec

Served in various roles including Windows desktop support, desktop support supervisor, and senior Windows & Virtualization engineer.

  • Deployed and managed 400 Windows NT 4 desktop systems.
  • Deployed and managed a multi-tier real-time payment system on Oracle Database and Windows Server platforms.
  • Managed a multi-site Windows NT domain for data center and corporate desktop use.
  • Managed and maintained a multi-site Microsoft Exchange platform.
  • Participated in a significant data center move.
  • Organized and lead several satellite office consolidations and relocations.
  • Participated in a steering committee to architect and deploy virtualization infrastructure.
  • Participated in steering committee transform & modernize data centers.
  • Maintained UNIX and SAN platforms.
  • Managed NetBackup platform and StorageTek tape libraries.
  • Implemented Microsoft Active Directory infrastructure on Windows 2000 servers.
  • Managed Systems operations at four remote data centers.