Aleksandar

Aleksandar Yosifov
Bulgaria

[відкрити контакти](див. вище в блоці «контактна інформація»)

[відкрити контакти](див. вище в блоці «контактна інформація»)

Experience
DevOps Engineer
SoftwareOne
Oct 2022 - Present (6 months)

DevOps Engineer
HeleCloud, a SoftwareOne company
Apr 2021 - Oct 2022 (1 year 7 months)

CloudOps Engineer
HeleCloud, a SoftwareOne company
Aug 2019 - Apr 2021 (1 year 9 months)
- Managing different AWS customer environments
- Implementing various infrastructure changes using Terraform
- Operating with Linux and Windows servers
- Writing technical documentation
- Participate in cross-functional initiatives and other projects as needed
- Acting as a backup SPOC

Technology stack: AWS, Terraform, Ansible, Packer, Python, Docker, Kubernetes, ELK, Linux,
Windows

Senior IP NOC Engineer
GTT
May 2019 - Jul 2019 (3 months)
- Managing and monitoring GTT's worldwide core network and customer services in real time.
- Troubleshooting and resolving incidents on the core network, monitoring reported incidents and
customer reported ones on various types of services (MPLS L2/L3 VPN, IP Transit and Internet).
- Generating action plans to troubleshoot and resolve all core network and customer faults.
- Executing different changes and customer requests.
- Escalating and working with vendors (Cisco, Juniper), providers and peering partners.
- Supporting and coordinating field engineers to diagnose and fix faults.
- Working closely with other internal teams (transmission, voice, hosting and security).
- DDoS mitigation (Arbor Peakflow).
- IPERF and RFC 2544 testing.
- Providing technical leadership over the rest members of the IP team.
- Preparing work instructions.
- Training and mentoring.
- Leading interviews.
Aleksandar Yosifov - page 1
- Proactively monitoring in order to ensure service stability.
- Following company's ITIL processes and procedures.

IP NOC Engineer
GTT
Jun 2018 - May 2019 (1 year)
• Interoute became GTT

IP NOC Engineer
Interoute
Feb 2018 - Jun 2018 (5 months)
- Managing and monitoring GTT's worldwide core network and customer services in real time.
- Troubleshooting and resolving incidents on the core network, monitoring reported incidents and
customer reported ones on various types of services (MPLS L2/L3 VPN, IP Transit and Internet).
- Generating action plans to troubleshoot and resolve all core network and customer faults.
- Executing different changes and customer requests.
- Escalating and working with vendors (Cisco, Juniper), providers and peering partners.
- Supporting and coordinating field engineers to diagnose and fix faults.
- Working closely with other internal teams (transmission, voice, hosting and security).
- DDoS mitigation (Arbor Peakflow).
- IPERF and RFC 2544 testing.
- Proactively monitoring in order to ensure service stability.
- Following company's ITIL processes and procedures.

Network CC Engineer
DXC Technology
Apr 2017 - Feb 2018 (11 months)
• HP Enterprise Services became DXC Technology

Network CC Engineer
Hewlett Packard Enterprise
Aug 2016 - Apr 2017 (9 months)
- Providing technical support for the core and customer network.
- Using network tools to monitor core and customer network.
- Troubleshooting customer reported network incidents (LAN/WAN)
- Working in multi-vendor environment (HP/Cisco switches, routers, wireless controllers and access
points, F5 load balancers and Riverbed WAN accelerators).
- Prioritizing incidents, based on urgency and impact on business in order to be handled quickly and
efficiently.
- Defining action plan with aim to resolve the incident and restore normal service.
- Escalating to other internal/external teams and ISPs.
- Taking part in network migrations and new implementations.
- Proactively monitoring in order to maintain service quality.
- Following company's ITIL and ITSM processes and procedures.

Aleksandar Yosifov - page 2
 Trainee
StandByte
Jul 2014 - Jul 2014 (1 month)
- Part of ELSYS(TUES)’ summer internship in 11th grade.
- Installing and configuring Apache 2 Web Server, PHP5, MySQL, tar, phpMyAdmin, mysqldump on
Linux servers.

Education
New Bulgarian University
Bachelor's degree, Computer Systems Networking and Telecommunications
2015 - 2019

Technology School Electronic Systems (TUES), associated with Technical
University-Sofia
High School, Computer Networks
2010 - 2015

Licenses & Certifications
Cisco Certified Network Associate Routing and Switching (CCNA Routing and
Switching) - Cisco
Issued Sep 2018 - Expires Sep 2021

Juniper Networks Certified Associate, Junos (JNCIA-Junos) - Juniper Networks
Issued Feb 2019 - Expires Feb 2022

Amazon Web Services Solutions Architect Associate - Amazon Web Services
(AWS)
Issued Nov 2019 - Expires Nov 2022

Cisco Certified Network Professional Routing and Switching (CCNP-RS) - Cisco
Issued Feb 2020 - Expires Feb 2023

Amazon Web Services Advanced Networking Specialty - Amazon Web Services
(AWS)
Issued Oct 2020 - Expires Oct 2023

HashiCorp Certified: Terraform Associate - HashiCorp
Issued Oct 2020 - Expires Jun 2023

Amazon Web Services SysOps Administrator - Associate - Amazon Web Services
(AWS)
Aleksandar Yosifov - page 3
 Issued Dec 2020 - Expires Dec 2023

Palo Alto Networks Certified Network Security Administrator - Palo Alto Networks
Issued Apr 2021 - Expires Apr 2023

CKA: Certified Kubernetes Administrator - The Linux Foundation
Issued Jul 2021 - Expires Jul 2024

AWS Certified Solutions Architect – Professional - Amazon Web Services (AWS)
Issued Dec 2021 - Expires Dec 2024

AWS Certified DevOps Engineer - Professional - Amazon Web Services (AWS)
Issued Jun 2022 - Expires Jun 2025

Skills
Cloud Computing • Routing • Switching • Internet Protocol Suite (TCP/IP) • Network Engineering
• Multiprotocol Label Switching (MPLS) • Wide Area Network (WAN) • Telecommunications • Border
Gateway Protocol (BGP) • Open Shortest Path First (OSPF)

Aleksandar Yosifov - page 4