Matīss Mākulēns

Experience

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  SIA "Kvēle"

  Jun 2012 - Nov 2012

  Electrical Engineering Assistant
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  Lattelecom

  Aug 2013 - Dec 2013

  Telecommunication engineer, internship

  * Support for Corporate customers 1st and 2nd level* Computer network problem diagnosing and solving* CPE configuration* Incident registration and tracking* Customer network device monitoring* Other small tasks

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  Lattelecom

  Nov 2014 - Jan 2019

  * 1st and 2nd level Business customer technical support* Suport for Helpdesk and ServiceDesk Engineers* CPE configuration* Computer network problem diagnosing and problem solving* E-mail server / Fortimail Spam filter configuration and administration* Hosting platform Parallels Plesk configuration and administration* Administration of domain zones on authoritative name server* Web fax system administration* Complex problem solving* Manage ABUSE reports for Lattelecom AS IPs. Mitigate security vulnerabilities and threats (NTP amplification DDoS, DNS Amplification DDoS, Botnet DDoS, Phishing, Unauthorized access attacks)* E-mail flow monitoring, mitigate SPAM sources, deal with compromised mailboxesGained experience:* Cisco devices: Cisco ASR 9000, Cisco CRS-8/S, Cisco Nexus, Cisco 4948 SW, Cisco 4900 SW, Access Cisco routers and switches* Siemens HID switches, Alcatel OmniSwitch, ISAM Alcatel / Siemens EDA DSLAMs* Juniper devices (SRX, EX)* HP Switches* Customer datacenter solutions* VoIP, PBX, Cisco HCS* Network architecture design knowledge* Cloud technology experience* Linux configuration* Plesk Parallels* DNS zones configuration* Fortimail antispam solution* Cisco IP phone configuration / HUCS* Axigen E-mail / Fortimail Antispam administration Show less

  • Electronic communications expert

    Jul 2017 - Jan 2019

  • Senior Computer and Network Engineer

    Jul 2015 - Jul 2017

  • Computer systems and network engineer

    Nov 2014 - Jul 2015
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  Webhelp

  Jan 2019 - Jun 2021

  Central Team Network and System Support Engineer

  1. Work within a core team to maintain network and systems where working with such vendor equipment: 1.1. Cisco - ASA, ISR routers, Catalyst L2 and L3 switches, etc. 1.2. HP L2 switches 1.3. Fortigate FirewallsHave worked with BGP, OSPF, ACL, Route-map, DMVPN, EEM scripts, port-security, DAI, DHCP snooping, etc.Worked with such open source systems as: 1.4. Bacula - basic level 1.5. Squid proxy 1.6. ProxMox virtualization platform 1.7. Active directory, GPO, DNS, DHCP, etc. in administration level 1.8. Worked with Linux, RANCIDAlso maintained, fixed and ordered technical equipment such as previously mentioned network equipment, servers, and computers as well. Maintained licensing.Also administrated DVR systems, company wi-fi, printers, etc.2. Worked in a PCI DSS environment - provided according to PCI DSS standards and audits security, network and systems solutions which were compliant with PCI DSS requirements.3. Provide project management on various network activities including upgrades, new implementations, and migrations, with technical direction.4. Created, revised, updated and maintained documentation for procedures and operations. Show less

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  1NCE

  Jul 2021 - now

  DevOps Engineer

  Network:• Architect, implement, and maintain cloud based (AWS) network solutions that run on Kubernetes cluster infrastructure.• Work together with the team to improve monitoring performance, and to troubleshoot, diagnose, and resolve issues with network (BGP, VRRP, IPSec, GRE, BIRD) and systems (AWS, Kubernetes, Helm, Grafana, Prometheus).• Working with dsTest platform: https://www.mobileum.com/products/testing-and-monitoring/lab-performance-testing/dstest-platform/• Also working with Terraform for IaC and Gitlab CI/CD pipelines.• Provide project management on various network activities including upgrades, new implementations, and migrations, with technical direction.• Create, revise, update, and maintain documentation of environment and operational procedures.DevOps:• Develop and integrate new infrastructure and application solutions• Develop, maintain, and perform continuous integration / continuous delivery solutions in development projects• Implement AWS native scalable mobile core network elements• Maintain existing company’s systems and solutions• Troubleshoot incidents, identify root cause, fix and document problems, and implement preventive measures• Coordinate and document changes made• Use Gitlab pipelines heavily (tests, deployment)Gained experience with: * AWS cloud - EC2, VPC (all resources), IAM, Auto Scaling Groups, ELB, Cloudwatch, Transit Gateway, Direct Connect Gateway, S3, ECR, Elastic Cache, Step Functions, SSM, AMI and etc. * Kubernetes (kubectl, helm, kustomize) * ArgoCD * Linux management * Terraform - developing modules, provision all AWS resources as IaC * CloudFormation with serverless framework * Docker - building images, containers and run applications * Gitlab CI - automate infrastructure deployment * Bash - automate Linux environment * Prometheus with Grafana Scrum Master:• Facilitate Agile ceremonies - Daily StandUPs, Demo, Retrospective, Sprint planning, Refinment and Grooming sessions Show less