Professional summary
QA engineer and technical operations specialist with over 8 years of experience across software testing, operational support and release coordination. Skilled in planning release cycles, organizing team tasks, conducting API/manual testing, tracking defects and bridging communication between development teams and project stakeholders. Brings a well-rounded technical background combining hands-on QA practices, Linux/cloud infrastructure familiarity and SRE/monitoring exposure from previous support roles.
Core QA and operations (Daily / Hands-on)
- Testing practices: Manual testing, API testing (Postman), Functional and regression testing, Defect reporting, Bug tracking, Test
documentation
- Release and support: Git, GitLab CI/CD (Deployments), Jenkins (Execution), User acceptance testing (UAT), Technical
documentation (Confluence wikis), Requirements analysis
Tools and infrastructure worked with (Operational and support exposure)
- Monitoring and log tools: Sentry, Kibana, Icinga, Grafana
- Environments and admin: Debian/Linux VMs, Basic DNS & SSL management, REST APIs, Git
- Collaboration and ticketing: Jira, Confluence, Slack, Ticketing systems
Work experience
Functional analysis, Development oversight, Quality engineering, Release management | Oct 2019 - Present
- Release planning and team coordination: Coordinate upcoming release cycles and roadmap execution in Jira. Organize task
distribution across engineering teams, define deployment readiness and align cross-functional priorities for smooth service
rollouts.
- SDLC and Quality assurance: Lead full Software Development Life Cycle (SDLC) quality management for critical public sector
systems in Health and Education. Plan and execute manual testing (API via Postman, Regression, Black Box), defect reporting
and bug tracking. Promote shift-left testing culture and enforce code reviews for early QA integration. Authored initial UI
automated tests.
- Operations: Execute manual deployments on Debian-based VMs, run GitLab CI/CD pipelines and Jenkins, promoting frequent,
small-scale releases. Collaborate with cloud infrastructure teams on server upgrades, system architecture considerations and
incident resolution.
- Stakeholder management and requirements analysis: Translate operational and business needs into technical specifications and
user requirements. Deliver live system demos, align cross-organizational data exchange and communicate project updates with
stakeholders.
- Data analysis and log troubleshooting: Perform root-cause research and bug diagnosis by analyzing application logs via Sentry
and system logs, alongside database querying to extract insights for system defects or enhancements.
- Documentation and knowledge sharing: Authored and maintained comprehensive internal wikis (Confluence) covering business
logic, system architecture and operational procedures to streamline team onboarding.
- Project leadership:
- Led internal department-wide migration to a new enterprise softphone system. Authored training guides for 50+ staff,
set up analytics dashboards and coordinated UAT for a seamless transition.
- Supervised service support operations for cloud infrastructure provided to academic and research communities.
- Supervised helpdesk teams, defined operational workflows and conducted interviews and candidate evaluations for new
support personnel.
- Tools and technologies: Git, GitLab, Jira, Confluence, Postman, Jenkins, Sentry, REST APIs, Slack, Docker
NOC / SRE support specialist | May 2018 - Oct 2019
- Infrastructure and system monitoring: Monitored Unix/Linux servers, systems and services across datacenter infrastructure to
maintain high availability and stability. Evaluated real-time system alerts using Icinga, Kibana and Grafana, analyzed incidents
and identified potential performance issues to prioritize maintenance by severity.
- Incident management and technical Support: Provided first-level (L1) technical support, handled internal sysadmin requests and
escalated critical infrastructure incidents following established procedures.
- Administration and operations: Performed core operational tasks, including HTTPS SSL certificate issuance, DNS
configurations.
- Datacenter and hardware operations: Monitored hardware failures across network and datacenter assets. Liaised directly with
external vendors to coordinate physical datacenter support, maintenance schedules and hardware replacements.
- Tools and technologies: Unix/Linux, Icinga, Kibana, Grafana, Git, Ganeti cloud infrastructure, DNS Configuration, SSL/TLS
Certificates, Datacenter infrastructure, incident management.
Helpdesk / Technical support agent | May 2017 - May 2018
- Front-Line technical support: Provided front-line phone and email support to users within the Greek academic and research
community, handling real-time requests and operational queries.
- Incident management and troubleshooting: Executed thorough troubleshooting operations to resolve user issues, generated
reports and assigned tasks using ticketing tools as necessary.
- Cloud infrastructure support: Supported the academic cloud service providing virtual machines (VMs) to researchers,
investigating user history and correlating system logs to perform root-cause analysis.
- Documentation and early testing: Documented detailed follow-up steps throughout the issue resolution process and authored
clear user manuals. Initiated early-stage manual software testing for public services prior to user release.
- Tools and technologies: Ticketing and support systems, Cloud VMs, User documentation, Incident reporting, Manual testing.
Customer support specialist | May 2015 - May 2016
- Customer service: Managed incoming customer inquiries, orders and complaints via phone and email.
- E-commerce platform support: Assisted customers with account navigation, order placement, payment processing and
return/refund procedures.
- Tools and technologies: E-commerce management systems, Kanban, Email/Phone support tools.