OL

Professional Experience

Senior Site Reliability and Production Support Engineer (consultant)

Fidelity Investments•Jacksonville, FL•01/2024 – 04/2025
  • Supported more that 30 applications running on AWS Elastic Kubernetes Services (EKS) microservices, used for trading equities and digital assets.
  • Provisioned AWS cloud infrastructure such as EC2, S3, EKS, Route53, load balancers and virtual private networks, utilizing terraform and AWS console.
  • Utilized Datadog for configuring monitoring and observability of applications running on Kubernetes clusters and on-premises nodes, including the definition of Service Level Objectives (SLOs), Service Level Indicators (SLIs), and the creation of custom dashboards for real-time insights and alerting.
  • Monitored, supported, and managed batch processes and job schedules using Control-M.
  • Proactively addressed alerts and resolved incidents, performing thorough root cause analysis.
  • Automated operational tasks and developed software solutions using Python and Bash to improve efficiency and reduce toil.
  • Conducted failover resiliency and business continuity tests to validate system robustness.
  • Leveraged Terraform, Ansible, Jenkins and CI/CD pipelines for infrastructure provisioning and management.
  • Participated in on-call rotation.
  • Built an access audit application using python 3.14.

Technologies:

Red Hat LinuxUnixRedisMongodbTerraformCI/CDWindowsBash shell scriptingPythonJavaAWS CloudKubernetesDatadogSplunkGrafanaServiceNowAnsibleJenkinsJiraConfluenceControl MMariaDBFix protocolBlockchain

Senior Site Reliability and Production Support Engineer (consultant)

Fidelity Investments•Jacksonville, FL•04/2021 – 06/2023
  • Designed and implemented monitoring solutions for investment banking applications.
  • Created SLOs/SLIs, alerts and dashboards using Datadog, Prometheus and Grafana.
  • Implemented synthetic monitoring using Catchpoint and Datadog to ensure application reliability.
  • Utilized Ansible and Terraform for infrastructure provisioning and configuration.
  • Configured and monitored Kubernetes clusters supporting distributed applications.
  • Automated routine processes to reduce operational toil and improve team efficiency.
  • Collaborated across teams to identify and resolve systemic issues.
  • Developed knowledge management application in Microsoft PowerApps.
  • Created incident correlation tool using bash.

Technologies:

Red Hat LinuxWindowsBash shell scriptingApache TomcatAnsiblePythonAzureAWSCatchpointDatadogGrafanaPrometheusDynatraceServiceNowJiraConfluenceBitbucketCI/CDJenkinsTerraformKubernetesDockerControl MMicrosoft Power Apps

Senior Site Reliability and Production Support Lead (consultant)

T-Mobile•Overland Park, KS•11/2019 – 11/2020
  • Supported applications and infrastructure used for provisioning and maintaining IoT (internet of things) devices.
  • Performed application monitoring and management using AppDynamics.
  • Maintained applications used for performing over-the-air provisioning of mobile devices.
  • Managed various vendors, ensuring adherence to service level agreement.
  • Led problem analysis and root cause analysis on key issues impacting service to customers.
  • Supported applications written in core Java, rest, soap xml and Json.
  • Wrote Unix shell and python scripts to automate reports and generate statistics.

Technologies:

LinuxOracle SQLJavaSOAPXMLRESTPythonUnix shell scriptingAppDynamicsKibanaElasticsearchTCP IPServiceNowRallyJiraConfluence

Senior Site Reliability and Production Support Engineer (consultant)

Verizon Wireless•Irving, TX•01/2019 – 06/2019
  • Supported Verizon wireless's just-in-time-billing and Usage broker application, processing millions of billing records daily.
  • Developed bash scripts to automate manual processes and enhance application support activities, reducing toil.
  • Performed root cause analysis, investigated and resolved production support issues.
  • Utilized Oracle SQL and PL/SQL queries to generate various reports.
  • Developed scripts to gather application states and integrate the information into the Zenoss network management system.
  • Performed code deployment and releases.

Technologies:

LinuxPerlUnix shell scriptingOracle SQLOracle PL/SQLServiceNowConfluenceZenossTCP IPJiraJenkins

Application Support Engineer

Citibank•Mississauga, ON, Canada•04/2017 – 08/2018
  • Supported a suite of High Touch equities trading and reporting applications developed in Java.
  • Deployed code changes onto the production environment using IBM Urban Code deploy following standard change management and DevOps standards.
  • Identified opportunities for continuous improvement in system stability and efficiency, and developed automation scripts in bash shell.
  • Performed periodic failover resiliency tests (FORT).
  • Raised application monitoring from level 4 to 5 by implementing dashboards and real-time alerts.
  • Investigated complex problems and implemented corrective and preventive solutions.
  • Ensured timely and effective application onboarding following standard SDLC and ITIL practices.
  • Wrote and maintained wikis and technical support documents.

Technologies:

JavaLinuxWindowsUnix Shell ScriptingGeneos ITRSSybaseSQLIBM Urban Code deployServiceNowConfluenceJiraTCP IPFix protocol

Senior System Administrator

Rogers Communications Inc.•Brampton, ON, Canada•04/2015 – 07/2016
  • Maintained and managed Red Hat Linux, Solaris Unix and Windows based servers.
  • Developed bash script that improved the efficiency of network statistics collection by more than 99.999%.
  • Administered Oracle 11g and Sybase database and utilized SQL queries to produce network statistics reports.
  • Managed and resolved day to day production support issues in a timely and effective manner.
  • Utilized Remedy service management application to register and track production issues.
  • Identified product dependencies and risks and established mitigation/contingency plans.
  • Contributed to the knowledge base by documenting processes and procedures.
  • Performed root cause analysis on network, applications and systems issues and implemented preventive measures.
  • Participated in weekly rotational on-call.

Technologies:

LinuxWeblogicTomcatWindowsJavaUnix Shell ScriptingRemedyBMC PatrolOracle databaseSybase DatabaseTCP IPITIL

Production Support Analyst (consultant)

Morgan Stanley•Montreal, QC, Canada•06/2012 – 11/2014
  • Managed the onboarding of institutional and retail clients onto the electronic trading platform, seamlessly transitioning configurations from QA (quality assurance) to production environments.
  • Verified, tested and validated equities, structured derivatives, futures and options electronic trades, using FIX protocol.
  • Developed bash scripts to compare current and planned electronic trading configurations, ensuring smooth and secure deployments.
  • Ensured daily and overnight batch processes ran as scheduled using Autosys.
  • Utilized C++, Perl, XML, SQL and SOAP to analyze trade flows and to resolve production issues.
  • Leveraged Git, Perforce, and other DevOps tools for efficient code and configuration deployment in test and production environments.
  • Escalated complex technology issues to the appropriate technology infrastructure groups and external vendors.

Technologies:

C++LinuxPerforceGitPerlXMLSQLSOAPUnix shell scriptspythonAutosysFix protocol