Linux, DevOps, SysOps, SecOps, Cloud, Virtualization
Aktualisiert am 21.03.2024
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 21.03.2024
Verfügbar zu: 100%
davon vor Ort: 5%
Administration Linux
Cloud
IP Network
Git
Bash Shell
DevOps
Python
nginx
Apache
HTTP
VPN
Firewall
PKI
SSH
FTP
Monitoring
Romanian
native
English
advanced
French
beginner
Italian
medium

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
I'm only available fully-remote with visits on-site, no fully on-site/hybrid projects.
möglich

Projekte

Projekte

1 Jahr 2 Monate
2023-02 - heute

Freelance Consultant

Bash Python Git ...
  • Building and managing complex networks and infrastructure using Linux and open source technologies (virtualization, security, automation, kubernetes, docker, databases)
  • Consulting on infrastructure security and best practices
  • Hands-on deep troubleshooting and root cause analysis of complex systems and IT infrastructure.
Bash Python Git SSH http HTTPS PKI Datenbankadministration Linux Linux Administration Virtualisierung Netzwerkadministration Netzwerkarchitektur Cloud Communication Proxy KVM Kubernetes Docker ZFS Ceph Gitlab CI/CD DevOps SRE
1 Jahr 5 Monate
2021-08 - 2022-12

DevNetSecOps and SRE Engineer

DevNetSecOps and SRE Engineer
DevNetSecOps and SRE Engineer
In this project I was the architect for the network infrastructure, security and monitoring for the datacenters from where the vehicles are tele-driven. I am in charge of ensuring complete, secure and reliable functionality of the telestations-to-vehicles networking stack and related services.
  • Deploying and maintaining the virtualization clusters in all the datacenters
  • Implemented a centralized authentication system for all the Linux servers/VMs and migrated the entire user base to it
  • Performance monitoring of the entire infrastructure
  • Maintenance and optimization of CI/CD pipelines
  • Local Linux guru
Vay
19 Jahre
2003-01 - 2021-12

IT Infrastructure Consultant

IT Infrastructure Consultant
IT Infrastructure Consultant
  • Led planning, deployment, management and security auditing of internal IT infrastructure (Linux/Windows workstations, routers, switches, file servers, DNS, mail servers, SQL, HTTP, storage servers, WiFi infrastructure, IP security cameras and surveillance systems)
  • Consulted for customers and coworkers on the subjects of IT infrastructure, operating systems, programming, computer repair/management
Thor SRL
2 Jahre 1 Monat
2019-07 - 2021-07

Senior DevNetSecOps & SRE Engineering

Senior DevNetSecOps & SRE Engineering
Senior DevNetSecOps & SRE Engineering
  • Implementing OS security at all levels (Linux, firewalls, policies)
  • Design and implementation of remote work infrastructure (VPN, Voice-and-Video platforms, Virtual Classrooms)
  • Managing the application containerization infrastructure (Rancher, Docker)
  • Cloud operations (AWS, Google GCP/GSuite, DigitalOcean)
  •  Deployment and management of on-premises Atlassian suite of applications
  •  IP Network configuration and optimization (networking, DNS, e-Mail, nginx/Apache, SSL certificates, load balancing, security, encryption, distributed filesystems, SSO, audit)
  • Automation (Git, advanced bash/python/ruby scripting, Ansible)
  • Deploying and managing databases (MySQL, MariaDB, PostgreSQL, Redis)
  • DevOps (Rancher, Docker, Nexus, BitBucket, Grafana, Nagios, SSH, Elasticsearch, Kibana)
  • Deep troubleshooting and root cause analysis
  • Local Linux and open-source guru
eSolutions.tech
4 Jahre 2 Monate
2015-03 - 2019-04

Senior System Architect

Senior System Architect
Senior System Architect
  • Helped manage, supervise and security audit the IPTV infrastructure (content streaming, CDN, [en/de]coders, HLS, Multicast, IPv6, load balancers)
  • Helped development, testing and debugging of live/VoD streaming applications (Android, Windows, Linux) and customer Set-Top-Boxes
  • Tested, reviewed and improveed both customer-facing and internal websites (SSL certificates, nginx, IPv6, HTTP/2)
  • Overall "security first" evangelist
  • Go-To geek for objective opinions on #HowItShouldBeDone
  • Resident "This could be done better"-guy and gratuitous advice dispenser
RCS & RDS
10 Jahre 4 Monate
2009-01 - 2019-04

Technical Consultant

Technical Consultant
Technical Consultant
  • Provided insights on technologies, solutions and approaches to various coleagues and departments within the company (software, hardware, programming, information security, Linux server security, Linux server configuration hardening, Android)
RCS & RDS
5 Jahre 4 Monate
2009-12 - 2015-03

GPON IP/MPLS Technical Coordinator

GPON IP/MPLS Technical Coordinator
GPON IP/MPLS Technical Coordinator
  • Planned, implemented and deployed GPON technology on a nation-wide scale in RDS network
  • Wrote documentation and procedures pertaining to GPON technology for all company departments
  • Further developed the in-house management/provisioning/monitoring solution and seamlessly integrate it with the main netwok management systems
  • Further integrateed the GPON network into the main nation-wide heterogenous network (interoperability tests at all OSI layers, troubleshooting, bug fixing)
  • Provided GPON vendors with detailed equipment (mal)functioning data, logs and debugging information in order to improve the overall GPON solution
  • Developed and deployed a cluster of decentralized redundant servers together with custom written software to easily manage/provision/monitor the GPON network at nation-wide level (Ruby, Python, PHP, MySQL, Apache/Nginx, Bash, sed, awk, Linux, SNMP, BGP, OSPF, Anycast, DNS, Cisco, HP, Supermicro)
  • Administration and security auditing of Linux servers deployed as part of the nation-wide GPON infrastructure
RCS & RDS
1 Jahr 2 Monate
2008-11 - 2009-12

GPON IP/MPLS Network Engineer

GPON IP/MPLS Network Engineer
GPON IP/MPLS Network Engineer
  • In close contact with GPON equipment manufacturers for troubleshooting, bug fixing, implementation of new features and all-round GPON solution improvement
  • Developed an in-house solution for management, provisioning, automation and monitoring of GPON equipment (Ruby, Python, PHP, MySQL, Apache/Nginx, Redis, SNMP)
  • Developed various software tools for integration of GPON layer into a large heterogenous network (Bash, sed, awk, MySQL, SNMP, WebServices)
  • Administration and security auditing of Linux servers deployed as part of the GPON infrastructure
RCS & RDS
3 Jahre
2005-12 - 2008-11

Network Operations Center Engineer

Network Operations Center Engineer
Network Operations Center Engineer
  • Managed and troubleshooted a large heterogenous network (Cisco, Juniper, ZTE, Huawei) of switches, routers and Linux servers at all OSI layers
  • Managed and troubleshooted a wide range of services (DNS, DHCP, IP address registration and management, video streaming, BGP, VPN, proxies)
  • Hands-on datacenter support for both customer and internal servers (deployments, component upgrades, hardware and connectivity troubleshooting)
  • 24/7 service monitoring and incident response in multiple shifts for both customer and internal equipment
RCS & RDS

Aus- und Weiterbildung

Aus- und Weiterbildung

Education:

2000 - 2004

Computer Automation

University POLITEHNICA of Bucharest

Kompetenzen

Kompetenzen

Top-Skills

Administration Linux Cloud IP Network Git Bash Shell DevOps Python nginx Apache HTTP VPN Firewall PKI SSH FTP Monitoring

Produkte / Standards / Erfahrungen / Methoden

About me:

Experienced IT Engineer, computer network/hardware/software geek, Linux power-user and administrator (20+ years experience), problem solver, secure-by default adept, cryptography enthusiast, all-around technology aficionado, undercover grammar freak.


Skills:

  • Linux System Administration
  • DevOps
  • Virtualization
  • Cloud Computing
  • Bash
  • Python
  • Shell Scripting
  • Serverless Computing
  • Git
  • Firewalls

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
I'm only available fully-remote with visits on-site, no fully on-site/hybrid projects.
möglich

Projekte

Projekte

1 Jahr 2 Monate
2023-02 - heute

Freelance Consultant

Bash Python Git ...
  • Building and managing complex networks and infrastructure using Linux and open source technologies (virtualization, security, automation, kubernetes, docker, databases)
  • Consulting on infrastructure security and best practices
  • Hands-on deep troubleshooting and root cause analysis of complex systems and IT infrastructure.
Bash Python Git SSH http HTTPS PKI Datenbankadministration Linux Linux Administration Virtualisierung Netzwerkadministration Netzwerkarchitektur Cloud Communication Proxy KVM Kubernetes Docker ZFS Ceph Gitlab CI/CD DevOps SRE
1 Jahr 5 Monate
2021-08 - 2022-12

DevNetSecOps and SRE Engineer

DevNetSecOps and SRE Engineer
DevNetSecOps and SRE Engineer
In this project I was the architect for the network infrastructure, security and monitoring for the datacenters from where the vehicles are tele-driven. I am in charge of ensuring complete, secure and reliable functionality of the telestations-to-vehicles networking stack and related services.
  • Deploying and maintaining the virtualization clusters in all the datacenters
  • Implemented a centralized authentication system for all the Linux servers/VMs and migrated the entire user base to it
  • Performance monitoring of the entire infrastructure
  • Maintenance and optimization of CI/CD pipelines
  • Local Linux guru
Vay
19 Jahre
2003-01 - 2021-12

IT Infrastructure Consultant

IT Infrastructure Consultant
IT Infrastructure Consultant
  • Led planning, deployment, management and security auditing of internal IT infrastructure (Linux/Windows workstations, routers, switches, file servers, DNS, mail servers, SQL, HTTP, storage servers, WiFi infrastructure, IP security cameras and surveillance systems)
  • Consulted for customers and coworkers on the subjects of IT infrastructure, operating systems, programming, computer repair/management
Thor SRL
2 Jahre 1 Monat
2019-07 - 2021-07

Senior DevNetSecOps & SRE Engineering

Senior DevNetSecOps & SRE Engineering
Senior DevNetSecOps & SRE Engineering
  • Implementing OS security at all levels (Linux, firewalls, policies)
  • Design and implementation of remote work infrastructure (VPN, Voice-and-Video platforms, Virtual Classrooms)
  • Managing the application containerization infrastructure (Rancher, Docker)
  • Cloud operations (AWS, Google GCP/GSuite, DigitalOcean)
  •  Deployment and management of on-premises Atlassian suite of applications
  •  IP Network configuration and optimization (networking, DNS, e-Mail, nginx/Apache, SSL certificates, load balancing, security, encryption, distributed filesystems, SSO, audit)
  • Automation (Git, advanced bash/python/ruby scripting, Ansible)
  • Deploying and managing databases (MySQL, MariaDB, PostgreSQL, Redis)
  • DevOps (Rancher, Docker, Nexus, BitBucket, Grafana, Nagios, SSH, Elasticsearch, Kibana)
  • Deep troubleshooting and root cause analysis
  • Local Linux and open-source guru
eSolutions.tech
4 Jahre 2 Monate
2015-03 - 2019-04

Senior System Architect

Senior System Architect
Senior System Architect
  • Helped manage, supervise and security audit the IPTV infrastructure (content streaming, CDN, [en/de]coders, HLS, Multicast, IPv6, load balancers)
  • Helped development, testing and debugging of live/VoD streaming applications (Android, Windows, Linux) and customer Set-Top-Boxes
  • Tested, reviewed and improveed both customer-facing and internal websites (SSL certificates, nginx, IPv6, HTTP/2)
  • Overall "security first" evangelist
  • Go-To geek for objective opinions on #HowItShouldBeDone
  • Resident "This could be done better"-guy and gratuitous advice dispenser
RCS & RDS
10 Jahre 4 Monate
2009-01 - 2019-04

Technical Consultant

Technical Consultant
Technical Consultant
  • Provided insights on technologies, solutions and approaches to various coleagues and departments within the company (software, hardware, programming, information security, Linux server security, Linux server configuration hardening, Android)
RCS & RDS
5 Jahre 4 Monate
2009-12 - 2015-03

GPON IP/MPLS Technical Coordinator

GPON IP/MPLS Technical Coordinator
GPON IP/MPLS Technical Coordinator
  • Planned, implemented and deployed GPON technology on a nation-wide scale in RDS network
  • Wrote documentation and procedures pertaining to GPON technology for all company departments
  • Further developed the in-house management/provisioning/monitoring solution and seamlessly integrate it with the main netwok management systems
  • Further integrateed the GPON network into the main nation-wide heterogenous network (interoperability tests at all OSI layers, troubleshooting, bug fixing)
  • Provided GPON vendors with detailed equipment (mal)functioning data, logs and debugging information in order to improve the overall GPON solution
  • Developed and deployed a cluster of decentralized redundant servers together with custom written software to easily manage/provision/monitor the GPON network at nation-wide level (Ruby, Python, PHP, MySQL, Apache/Nginx, Bash, sed, awk, Linux, SNMP, BGP, OSPF, Anycast, DNS, Cisco, HP, Supermicro)
  • Administration and security auditing of Linux servers deployed as part of the nation-wide GPON infrastructure
RCS & RDS
1 Jahr 2 Monate
2008-11 - 2009-12

GPON IP/MPLS Network Engineer

GPON IP/MPLS Network Engineer
GPON IP/MPLS Network Engineer
  • In close contact with GPON equipment manufacturers for troubleshooting, bug fixing, implementation of new features and all-round GPON solution improvement
  • Developed an in-house solution for management, provisioning, automation and monitoring of GPON equipment (Ruby, Python, PHP, MySQL, Apache/Nginx, Redis, SNMP)
  • Developed various software tools for integration of GPON layer into a large heterogenous network (Bash, sed, awk, MySQL, SNMP, WebServices)
  • Administration and security auditing of Linux servers deployed as part of the GPON infrastructure
RCS & RDS
3 Jahre
2005-12 - 2008-11

Network Operations Center Engineer

Network Operations Center Engineer
Network Operations Center Engineer
  • Managed and troubleshooted a large heterogenous network (Cisco, Juniper, ZTE, Huawei) of switches, routers and Linux servers at all OSI layers
  • Managed and troubleshooted a wide range of services (DNS, DHCP, IP address registration and management, video streaming, BGP, VPN, proxies)
  • Hands-on datacenter support for both customer and internal servers (deployments, component upgrades, hardware and connectivity troubleshooting)
  • 24/7 service monitoring and incident response in multiple shifts for both customer and internal equipment
RCS & RDS

Aus- und Weiterbildung

Aus- und Weiterbildung

Education:

2000 - 2004

Computer Automation

University POLITEHNICA of Bucharest

Kompetenzen

Kompetenzen

Top-Skills

Administration Linux Cloud IP Network Git Bash Shell DevOps Python nginx Apache HTTP VPN Firewall PKI SSH FTP Monitoring

Produkte / Standards / Erfahrungen / Methoden

About me:

Experienced IT Engineer, computer network/hardware/software geek, Linux power-user and administrator (20+ years experience), problem solver, secure-by default adept, cryptography enthusiast, all-around technology aficionado, undercover grammar freak.


Skills:

  • Linux System Administration
  • DevOps
  • Virtualization
  • Cloud Computing
  • Bash
  • Python
  • Shell Scripting
  • Serverless Computing
  • Git
  • Firewalls

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