Senior Database Administrator (PostgreSQL and MySQL Focus)

Company Description
Join a growing DevOps community at Sigma Software and build hands-on experience with modern cloud infrastructure, CI/CD pipelines, automation, and Infrastructure as Code. We are looking for a Junior DevOps Engineer eager to develop technical expertise while working alongside experienced professionals on international projects.

You will become part of a top-notch DevOps team of more than 30 specialists collaborating across cloud-native platforms, enterprise systems, and scalable digital products. We as a company support continuous learning, mentoring, certification growth, and transparent career development.

This role is a great opportunity for engineers who want to strengthen their cloud and automation skills in a collaborative environment with access to Senior and Principal-level mentorship.

Job Description

• Set up, configure, test, and maintain infrastructure across development, staging, testing, and production environments
• Contribute to Infrastructure as Code implementation following established modules, conventions, and review processes
• Support CI/CD pipeline configuration, maintenance, release preparation, and deployment activities
• Investigate incidents by collecting logs and monitoring evidence, performing initial triage, and documenting resolutions
• Configure monitoring checks, alerts, and participate in backup and recovery procedures
• Follow security best practices including least-privilege access management and secure secrets handling
• Maintain infrastructure documentation, deployment instructions, architecture diagrams, and operational runbooks
• Collaborate with developers, QA engineers, security specialists, and operations teams
• Continuously improve technical skills through mentoring, certifications, and project participation

Qualifications

• 1+ years of hands-on experience with at least one public cloud platform: AWS, Azure, or GCP
• Solid understanding of Linux administration and networking fundamentals including TCP/IP, DNS, HTTP/HTTPS, services, packages, and system metrics
• Understanding of CI/CD principles and practical exposure to GitHub Actions, GitLab CI, Azure DevOps, Jenkins, or TeamCity
• Understanding of containerization concepts and practical experience with container images and runtime environments
• Scripting experience using Shell and either Python or PowerShell
• General understanding of Infrastructure as Code and configuration management tools such as Terraform and Ansible
• Understanding of SDLC processes and DevOps principles
• Basic knowledge of databases, monitoring, logging, backup, storage, and security concepts
• Understanding of authentication and authorization concepts, TLS, and secure secrets management
• Experience using AI assistants responsibly while validating outputs and maintaining data security standards
• Good communication and collaboration skills
• At least an Upper-Intermediate level of English

WILL BE A PLUS

• Experience with Kubernetes or other orchestration platforms
• Hands-on experience with Terraform or Ansible in production environments
• Experience with centralized logging and monitoring tools such as Prometheus, Grafana, ELK Stack, CloudWatch, or Datadog
• Exposure to GitOps practices
• Familiarity with AI/LLM services or vector databases in infrastructure-related scenarios
• Cloud or Linux-related certifications

Additional Information

PERSONAL PROFILE

• Strong willingness to learn and grow within a professional DevOps environment
• Proactive and ownership-oriented mindset
• Ability to collaborate effectively in cross-functional teams
• Attention to detail and structured approach to operational tasks
• Good analytical and problem-solving skills

Wiliot was founded by the team that invented one of the technologies at the heart of 5G. Their next vision was to develop an IoT sticker, a self-powered computing element that harvests radio frequency energy, bringing connectivity and intelligence to everyday products and packaging. This revolutionary combination of cloud and semiconductor technology is already being used by some of the world’s largest consumer, retail, food, and pharmaceutical companies to transform how products are made, distributed, sold, used, and recycled.

Our investors include SoftBank, Amazon, Alibaba, Verizon, NTT DoCoMo, Qualcomm, and PepsiCo.

CyberSec Engineer works with all business units, supporting and maintaining IT security solutions and related governance for empowering business success. IT Security is responsible for protecting Cloud and IT infrastructure, edge devices, networks, and data. Responsible for preventing data breaches and monitoring and reacting to attacks.

CyberSec Engineer works on implementing a new developmental approach to the entire organization in preventing and alleviating threats/attacks. Oversee the company's security, backup, and redundancy strategies support. Should support security procedures in the software development process at every stage in the organization's ISMS activities.

The role relies on AI-assisted tools and scripting/automation to speed up analysis, response, and reporting.

Responsibilities:

• Assist and guide implementation of the ISMS activities.
• Monitoring the compliance of information security policies and procedures.
• Report to Senior Management periodically on different ISMS activities.
• Responsible for IT security, recognizing the security threats, and working with the IT team on closing vulnerabilities and mitigating misconfigurations.
• Monitoring and auditing that company's critical assets are secured and controlled.
• Incident Response - testing for and resolving system vulnerabilities, maintaining strong security best practices, and providing support for all incident handling measures.
• Install, configure, test, and maintain security systems, and other security tools related to IT Security.
• Maintain and support with SOC team collaboration and MDR service management.
• Use AI-based tools and scripting/automation to accelerate threat analysis, vulnerability triage, and security reporting.

Requirements:

• University or post-graduate degree
• Strong academic background (e.g., computer science, engineering)
• 3+ years of experience in IT Security (IT Security and Cloud tools)
• Strong private and public cloud security experience.
• Experience and knowledge in security architecture, identity and access management, application security, and network security.
• Cloud security experience.
• Experience with Identity, SSO solutions and methodology. SAML and similar protocols.
• Excellent written / verbal communication and professional maturity.
• Able to multi-task in a fast paced, deadline-driven work environment.
• Ability to work in afterhours to complete tasks in different time zones.
• Ability to consistently demonstrate and reinforce organizational values.
• Threat intelligence analyst experience. SIEM analyst experience.
• Incident forensics (Digital forensics and incident response (DFIR)).
• ISO 27001/27018 knowledge.
• Working knowledge of scripting languages (e.g., Python, Bash, PowerShell) for automation, log analysis, and security tool integration.
• Solid understanding of network security fundamentals (TCP/IP, firewalls, VPN, network segmentation) and operating system security (Linux and Windows hardening, patch management).

Miratech helps visionaries change the world. We are a global IT services and consulting company that brings together enterprise and start-up innovation. Today, we support digital transformation for some of the world's largest enterprises. By partnering with both large and small players, we stay at the leading edge of technology, remain nimble even as a global leader, and create technology that helps our clients further enhance their business. We are a valuesdriven organization and our culture of Relentless Performance has enabled over 99% of Miratech's engagements to succeed by meeting or exceeding our scope, schedule, and/or budget objectives since our inception in 1989.

Miratech has coverage across 5 continents and operates in 25 countries around the world. Miratech retains nearly 1000 full-time professionals, and our annual growth rate exceeds 25%.

Job Description
We are seeking a talented
Senior Automation QA Engineer (Python)
to join our team and play a key role in testing the backend of a customer’s CCaaS solution.

In this role, you will support and improve existing test automation, identify and troubleshoot defects, and validate new features to ensure system stability, scalability, and compatibility with evolving product functionality.

Our client is a leading cloud contact center platform offering advanced tools for call routing, analytics, and automation. It enhances customer service, increases efficiency, and supports seamless omnichannel interactions, empowering businesses to deliver exceptional customer experiences.

Qualifications

• 5+ years’ experience in software testing or QA
• Experience with programming concepts and scripting languages such as Python, JavaScript (Nice to have)
• Experience with cloud platforms such as GCP, AWS, or Azure
• Knowledge of version control, bug-tracking, and test management systems
• Experience in back-end testing, API testing, or microservices testing
• Troubleshooting and analytical skills, basic log analysis
• Practical experience with databases (MySQL or similar)Basic knowledge of UNIX/Linux

Desirable skills:

• Experience with programming concepts and scripting in Java
• Basic understanding of security protocols (OWASP, PCI Compliance)
• Experience with high-volume transactional systems is a plus

Additional Information
We Offer:

• Culture of Relentless Performance: join an unstoppable technology development team with a 99% project success rate and more than 30% year-over-year revenue growth.
• Competitive Pay and Benefits: enjoy a comprehensive compensation and benefits package, including health insurance, language courses, and a relocation program.
• Work From Anywhere Culture: make the most of the flexibility that comes with remote work.
• Growth Mindset: reap the benefits of a range of professional development opportunities, including certification programs, mentorship and talent investment programs, internal mobility and internship opportunities.
• Global Impact: collaborate on impactful projects for top global clients and shape the future of industries.
• Welcoming Multicultural Environment: be a part of a dynamic, global team and thrive in an inclusive and supportive work environment with open communication and regular team-building company social events.
• Social Sustainability Values: join our sustainable business practices focused on five pillars, including IT education, community empowerment, fair operating practices, environmental sustainability, and gender equality.
• Miratech is an equal opportunity employer and does not discriminate against any employee or applicant for employment on the basis of race, color, religion, sex, national origin, age, disability, veteran status, sexual orientation, gender identity, or any other protected status under applicable law.

About The Team
Our Systems Engineering team builds the foundation of our technology stack. We manage global hybrid cloud environments, core networking, and enterprise services, ensuring they remain scalable, highly available, and fully compliant with security standards.

About The Role
This position bridges traditional IT administration with modern DevOps practices and Zero Trust architecture. You will be the essential link ensuring operational efficiency, process automation, and seamless, productive workflows for our employees worldwide.

Responsibilities and Duties

• Design and scale hybrid cloud infrastructure
• Implement Zero Trust network access and maintain corporate networks
• Manage corporate devices (MDM) and endpoint security
• Administrate SaaS platforms and integrate cross-system workflows
• Maintain monitoring and observability systems, alongside disaster recovery plans
• Oversee domains, DNS, and developer account management
• Drive operational standards throughout the organization

Qualifications And Skills

• Solid experience managing hybrid cloud environments, particularly AWS, with practical skills in virtualization and containerization like Docker.
• Technical expertise in identity management using Okta integrated with Entra ID or Google Workspace, alongside comprehensive administration of Linux, Windows, and macOS.
• Confident design of Zero Trust network architectures using tools like Cisco Meraki and Wireguard, with hands-on endpoint security management via platforms like Jamf Pro and VMware Workspace ONE.
• Operational approach rooted in ITIL v4 principles, utilizing monitoring tools like Prometheus and Grafana and managing service workflows in Jira or Freshservice.
• Ability to take full ownership of system health and security, using critical thinking to resolve complex architectural obstacles and facilitate clear cross-team communication.
• Success in dynamic environments, with the flexibility to adapt to changing priorities while maintaining a focus on organizational security and efficiency.

Nice to have

• A strong customer-centric mindset, always seeking to improve internal service levels and minimize friction for users.
• Skill in building relationships with stakeholders, vendors, and non-technical teams to align IT goals with business needs.
• Ability to remain calm and decisive during stressful situations, such as critical system outages or compliance audits.
• Practical experience with Infrastructure as Code (IaC) and automation using tools like Terraform, Ansible, or n8n to optimize workflows.
• Experience working with corporate systems and databases, such as SQL environments, NetSuite, or similar platforms.
• Familiarity with security frameworks and compliance audits, specifically standards like ISO 27001 or SOC 2.

We offer multiple benefits that include

• The environment of equal opportunities, transparent and value-based corporate culture, and an individual approach to each team member
• Competitive compensation and perks
• Opportunity to receive a Performance Bonus for your individual achievements and a Loyalty Bonus recognizing your dedication to the company
• Gig-contract
• 21 paid vacation days per year, paid public holidays according to Ukrainian legislation
• Development opportunities like corporate courses, knowledge hubs, and free English classes as well as educational leaves
• Medical insurance is provided from day one. Sick leaves and medical leaves are available
• Remote working mode is available within Ukraine only
• Free meals, fruits, and snacks when working in the office.