Mike Marcell

Information Security Engineer at American Express | HSMs | Network+ | Security+ | AWS

Glendale, AZ, United States

Details

Experience: 2021 : Present

American Express

Information Security Analyst

2020 : 2020

Wells Fargo

Information Security Engineer

• Lead for Enterprise Solaris environment, comprised of both physical servers and LDOMs

• Supported Red Hat Cluster with multi-tier pagination application (CCI NewsGate) for all newspaper sites

o Configured Oracle Data Guard to replicate from Maryland to Phoenix for disaster recovery

o Documented and tested emergency and planned failover process

o Migrated WebLogic instances from using Coyote Point to NetScaler load balancers

• Set up Tripwire infrastructure to track and report on changes for all critical PCI servers

• Scanned hosts and handled all vulnerability resolutions and server hardening to maintain PCI Compliance

• Reduced data center operating costs

o Migrated 100+ smaller newspaper sites across Gannett into two core data centers

o Coordinated network changes and physical moves, maintaining normal production workflow with minimal disruption to users

o Virtualized 95% of physical Solaris servers to logical domains, running on Oracle T5s

• Migrated all external FTP sites from older, physical Solaris hosts into virtualized MOVEit environment

o Eliminated need to continue extended support contract for outdated hardware, saving money

o Centralized all FTP accounts, standardized account nomenclature and simplifying the workflow

• Mentored junior team members

2015 : 2019

Gannett | USA TODAY NETWORK

Sr. Infrastructure Solutions Architect

• OS and SAN administration for internal and external servers for all Gannett newspaper sites

• Fiber channel zoning on Cisco MDS 9000 and Nexus switches

• Installed and configured drivers on Windows and Solaris hosts for Emulex and QLogic HBAs

• Backend storage on EMC (DMX, CLARiiON & Celerra), Dell Compellent and IBM XIV

• EMC Celerra and NetApp NAS storage, supporting NFS, CIFS and FTP needs

• Migrated all EMC storage (Symmetrix, CLARiiON & Celerra) to Dell Compellent SC8000 and NetApp

2004 : 2015

Gannett | USA TODAY NETWORK

Sr. Systems and Storage Administrator

• Installed software, created, configured and supported Sybase and Oracle instances running on Solaris servers

• Monitored data integrity and performance, tuning database and operating system as required

• Monitored free space, added new datafiles, expanded tablespaces

• Worked with raw devices for Sybase ASE 12.5 and 15 servers on ZFS and VXFS filesystems

• Ensured data was saved daily to local filesystem, and then swept to tape

• Maintained database patch levels across test, development and production for multiple application groups

• Received an Unsung Hero award for excellence in customer and cross team support

2002 : 2004

Gannett | USA TODAY NETWORK

Sr Oracle Database Administrator / Arizona Republic, Indianapolis Star, Republic Media & GMTI

Company: American Express

About

I’m an experienced Unix and Linux Systems and Storage Administrator, with years of experience on Solaris and Linux Enterprise servers. Currently working on my AWS Solutions Architect Certification. I am a problem solver, comfortable wearing many different hats in a role. I have worked in mission-critical production environments, where downtime is expected to be minimal and all changes carefully documented and coordinated. Strong at working independently or within a team, my focus has been on Solaris and Linux Operating systems as well as the enterprise storage attached to my servers. I am skilled with virtualization in VMWare and Oracle VM with LDOMs, Solaris versions 6-11, RHEL & CentOS and high-availability and disaster recovery. I’ve worked for years with Veritas NetBackup, VXVM, VXFS, and VCS.

KEY COMPETENCIES: Solaris 6-11 (SPARC & x86), Red Hat Enterprise Linux and CentOS, Clustering and disaster recovery with Veritas VCS and Red Hat Cluster, SAN administration with Dell/EMC/NetApp, and Virtualization with VMware and Oracle VM (LDOMS). Veritas Volume Manager, Filesystem and Storage Foundation and filesystem layout and optimization.

TOOLS: Service Now, Jira, Dayforce, Confluence, Slack, SharePoint, SolarWinds, Skype and MS Teams, Lucid Chart, MOVEit, EM7, Tripwire, Rapid7, Ansible, Jenkins, Chef, Okta, Coyote Point, NetScaler, OSSEC, Splunk, NetBackup, UPM, QAS, and Avocent DSview.

ADDITIONAL RELEVANT EXPERIENCE: Database Administration, with a primary focus on Oracle and some Sybase.