I help companies and individual improving the ROI of their engineering teams.

These are the problems I will help you with:

❌ Lack of strong leadership in the engineering team
❌ Unclear structures and roles in your team
❌ Unclear strategy and direction for your engineering team
❌ Lack of business alignment
❌ Low productivity
❌ High Technical debt 
❌ Lots of incidents and outages
❌ Frictions between the engineering team and other areas
❌ Lack of clear career paths for members of your team
❌ Need for mentoring and coaching of individuals in the management and leadership journey.

As I've been in the tech industry for more than 20+, 15 of which in leadership positions, I've learnt a great deal about how to solve such common problems in engineering teams in both big and small companies.

I offer my services as:

✅ Business minded Technical Advisor 
✅ Consultant on specific projects
✅ Fractional CTO for companies in need for a part-time expert
✅ Coach for individual leaders who want to accelerate their career growth

I can work both with companies that need help to improve the value generated by their engineering teams as well as individuals that want to become better leaders and managers.

📝 I share generously my expertise both via LinkedIn and via my newsletter "Sudo Make Me a CTO" that invite you to join.

📲 If you have problems with your engineering teams, or with your own career journey please reach out.

📅 I'd be delighted to have an initial complimentary 30 minutes call to get a better understanding of your situation and come up with a tailored offer to help you see visible improvements in a reasonable time frame.

🤝 Let's connect!

Sergio Visinoni

Falabella

Provides technical direction for the development, design, and systems integration across multiple client engagements from definition phase through implementation.

Senior Technical Manager

Walmart Chile

Lead a team of SREs in order to improve technical and non-technical skills in order to guarantee the operational continuity of digital products in Walmart Chile, through the implementation of best practices, seeking to ensure percentages in the team of 50% dedicated to generating engineering projects, 25% on-call service and 25% other operational services.

Link between Walmart Chile and Walmart Internacional, in order to align local objectives with those declared by the headquarters company, through continuous review of opportunities for improvement and detection of risks in changes of both parties.


Key contributions

- Speaker at the Walmart Cloud Native Con 2023, sharing the history of Walmart Tech Chile journey in adopting the solutions provided by teams of experts from Global Tech Platform.
- Lead technological modernization project for migration of topics from Kafka Cluster version 1.1 to Kafka Clusters 2.4 and 2.8 versions, through the coordination of the service owner teams and the SREs team, guaranteeing operational continuity in its entirety, through validation of best practices by all parties involved.
- Support the Cyber ​​​​Day October 2022 event by leading SRE team in preparing the platforms, guaranteeing their operation in the face of increased load, and ensuring the reduction of service disruption time caused by failures unexpected.

Engineering Manager

Principal Financial Group

Enable teams through the implementation of services using multi cloud solutions Azure and AWS, with focus in serverless and microservices, coordinating adoption strategies.
Guarantee the resilience and health of software platforms facing both normal and exceptional operating scenarios. Defining, managing, and executing improvements in capacities and processes for control, inventory, monitoring, diagnosis, and recovery, among others, with a focus on enabling engineering teams.

Key contributions

- Lead the Cloud Accelerate Community in Spanish for Chile and Mexico, in order to leverage the adoption of the AWS cloud in Spanish-speaking countries, through demos from internal teams, presentation of services by AWS staff, and discussion of designs in the cloud.
- Design and implementation of solutions in cloud AWS, with the following services: EKS with Fargate, Network Load Balancer, Api GW Private Link, DNS Route 53, OpenSearch, Cloudwatch, with a focus in Operational excellence, Security, Reliability, Performance efficiency and Cost Optimization.
- Administration of Azure cloud services, as: Container Registry, CDN, Storage account, databases, Security Center, Application insights.

Engineering Lead

Guarantee the resilience and health of software platforms facing both normal and exceptional operating scenarios. Defining, managing, and executing improvements in capacities and processes for control, inventory, monitoring, diagnosis, and recovery, among others, with a focus on enabling engineering teams.

Key contributions
- Migration: Design, management and implementation from APM NewRelic solution to Dynatrace: more than 200 applications, more than 20 synthetics monitors, 7 browser solutions, more than 30 alert profiles, more than 20 dashboards, 1 mobile application.

- Guarantee operational continuity of digital channels, in the event of massive increase in connections 1000% higher than usual:
Cuprum AFP: 10% Withdrawal of Mandatory Account balances
Principal Financial Group: 10% Withdrawal of Life Annuities balances

Reliability lead

Lead migration projects to containerized technologies on prem and cloud, ensuring the integration of DevOps culture and agile methodologies.
Accompaniment in the adoption of the DevOps culture within the organization, through the adoption of development technologies like code quality, tests, deployments and application monitoring.
Installation and configuration of servers with orchestrator to be used in development and staging environments.
Managed technologies:
Docker-ce, Docker Swarm, Kubernets, Jenkins, NewRelic, HaProxy.

Key contributions

- Workflow definition to deploy new applications, with monitoring, pipelines and load tests in production environment.
- Migration of 30 services and applications from Docker Swarm to Kubernets.
- Migration of services and applications from Docker Swarm to AKS.
- Installation and configuration of monitoring tool (Newrelic and Dynatrace) for applications and infrastructure.
- Incident resolutions in development, staging and production environments, reducing the time to recovery in more than 80%.
- Improving the uptime for digital channels from 80% to more than 98%.

 Senior Engineer DevOps

Yapo.cl SpA

System administration for Linux CentOS systems in virtual enviroments (VMWare ESXi and Amazon EC2(AWS)).
Solve issues by instituting best practices in system log analysis, backups, network operating center security.
Evaluate, monitor and enhance IT infrastructure with an emphasis on availability, reliability, scalability, security, data confidentiality and system integrity.
Key contributions
• Strengthened system/network security by version upgrade of firewall, load balancing and images proxy service.
• Installation and configuration of system service orchestator (SaltStack) in production environment, reducing production deployments in 80% of the time, using infrastructure as code.
• Installation and configuration of development enviroment in AWS using Infrastructure as code.

Sysadmin (Administrador de Sistemas)

Mercantil Banco

Implementation and administration of the following security technologies: firewall, IPS, VPN, antispam, proxy web, load balancer, security token.
Linux SO administration with support in Windows servers.
Proof of concept to acquire new technologies.
Technologies administrated: Checkpoint firewall, Citrix Netscaler LoadBalancer, BueCoat ProxySG, SourceFire IPS, Karspersky Antitvirus, IBM Datapower, TrendMicro Office Scan Antivirus, Forefront TMG, Entrust Identity and Transaction Guard.

Key contributions:
- Implementation Proxy BlueCoat for 4000 users.
- Implementation Antivirus Kaspersky for 4000 users.
- Firewall administration with 0,05% annual downtime service.

Compute Service Specialist (Especialista de Servicios de Computación)

Instituto Venezolano del Seguro Social (IVSS)

Provided systems administration support for LDAP, VPN, Proxy, Antivirus and Firewall services. Moreover, implementation of security policies in the domain and managing mysql and Postgres database.
Key contributions
- Reorganization of firewall rules in benefit of the new policies implemented.
- Intranet implementation to manage internal data.
- Implementation of ticketing system OTRS.

Security Specialist (Especialista en Seguridad)

Centro Nacional de Tecnologías de Información

Monitored team and semiannual performance evaluation of talent.
Programed and allocation of activities for meeting the goals.
Implemented of ITIL practices (Library Technology Infrastructure Information) in the User Support Office.
Key contributions
- Implementation of the knowledge database for internal and external users.
- Implementation of ticketing system OTRS.

Supervisor Customer Care Office (Jefe Oficina de Atención Usuario)

A passionate leader with deep technical expertise, with more than thirteen years working in the IT area (OnPrem and Cloud). Strategic and analytical; plan for long-term goals without losing focus on short-term needs, being data-driven. 

Evangelist of the Well Architecture Framework by accompanying tech and non-tech teams in order to generate sensitivity in the creation of secure, high-performance, resilient, and efficient cloud solutions for a variety of applications and workloads.

Focusing on Enabling Teams from Team Topologies and DevOps Culture (DevSecFinOps) by an adaptive model for organizational design and team interaction, with an endgame of reducing the time to market, optimization of costs in the cloud, diminishing risks, and maximizing resilience of digital solutions throughout their life cycle.

Currently attending the Blended Professional Certificate Chief Technology Office at MIT Massachusetts Institute of Technology in order to upgrade critical skills in leadership, technology, and innovation.

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Sergio Visinoni

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