Senior DevOps Engineer

The Team
OpenBet
is a global leader in betting and gaming entertainment, trusted by over 200 partners to create memorable winning moments for millions of players worldwide. From processing bets during iconic events like the
FIFA World Cup
and
Super Bowl
to pioneering next-gen products like BetBuilder, we continuously redefine the player experience with high-quality content, cutting-edge technology, and advanced player protection tools.

For over 25 years, our unbeatable platform has powered the most recognizable betting brands, ensuring peak performance with
100% uptime
, unmatched scale, and speed. With 85 licenses, 20 World Lottery Association operators on our customer roster, and a team of 1,200+ experts across 14 countries, we remain at the heart of the industry.

The Goal
What will your role be?
OpenBet
is looking for an
Operations Support Engineer
to fill an exciting role focusing on supporting, debugging and improving the functionality and performance of applications and systems running on high availability production environments. As an
Operations Support Engineer
with us, you'll have exposure to these systems and more, as you take our products and your career to the next level.

What you will be doing?

• Owning and investigating a wide variety of production issues at both an application and database level;
• Producing robust, well-written solutions for production issues;
• Effectively communicating investigation status to the customer;
• Deploying fixes to production environments;
• Escalating issues to senior team members when appropriate to ensure effective resolution;
• Assist in the creation and maintenance of support documentation, including FAQs, knowledge base articles, and troubleshooting guides;
• Working in a rota that includes late/night shifts on weekdays, weekends and bank holidays

The Player

• A bachelor's degree in a traditional science subject, ideally computer science, engineering or information systems from a well-regarded university;
• Demonstrated experience in an application support role, with a proven record of technical investigation and creating solutions to problems;
• Hands-on experience with at least one major programming language (Java, J2EE, C, C++, Python, PHP, etc.) and SQL queries;
• Strong fundamental programming skills (data structures, algorithms);
• Good analytical and problem-solving skills;
• Excellent communication skills, both written and spoken;
• An ability to learn new technologies quickly, work independently, manage workload and escalate in a timely manner

What You'll Bring

• Adequate knowledge of any Unix/Linux distributions (e.g. Ubuntu, SUSE, etc.) and bash shell commands;
• Adequate knowledge of performance monitoring tools (Grafana, Datadog, Squadcast etc.);
• Experience with LAMP stack (Linux, Apache, MySQL, PHP);
• Adequate knowledge of Web technologies (HTML, HTML5 and CSS) and Internet protocols (XML, HTTP, TCP/IP);
• Experience using version control systems (GIT, Subversion, CVS);
• Adequate knowledge of scripting languages (e.g. Perl, Python, JavaScript);
• Familiarity with the Jira ticketing system

What's the Score?
Why OpenBet?

• The Playground: Join a team of innovators, disruptors, and game-changers who are reshaping the future of betting and gaming
• The Mission: Be part of a mission-driven organization that's committed to revolutionizing the way the world plays
• The Impact: Make a real impact on the world stage, leaving a lasting legacy that transcends boundaries and inspires generations to come
• The Culture: Immerse yourself in a culture of creativity, collaboration, and curiosity, where every idea is welcomed, every voice is heard, and every dream is encouraged
• The Future: Join us on the journey to build the future of betting and gaming, one game-changing innovation at a time

What we can offer YOU:

• Attractive benefits, an open and supportive environment as well as a modern and exciting workplace;
• The opportunity to interact with global teams on a regular basis as you and our business continues to develop & grow;
• Tangible and genuine development - at OpenBet, you can take your career where you want it to go!
• And if that's not enough; enjoy flexible working whilst we provide you with the guidance and development skills you need to progress and enhance your career;
• We have a collaborative office environment with our team members in office 2 days per week

At OpenBet, we celebrate diversity and believe in creating an inclusive environment where every voice is valued and respected. We're committed to building a team that reflects the rich tapestry of humanity, embracing individuals from all walks of life, backgrounds, and identities. Join us in shaping the future of OpenBet, where diversity is celebrated.

Description

LMW
, on behalf of its client, a leading international technology and digital transformation consulting company, is seeking a
Senior DevOps Engineer
to join a strategic project within the banking sector. This is an excellent opportunity to work on enterprise-grade platforms that support mission-critical banking services, collaborating with highly skilled engineering teams in a modern DevOps environment.

You'll play a key role in designing, automating, and optimizing deployment processes while working closely with cross-functional teams to deliver secure, scalable, and reliable solutions.

Key Responsibilities

• Design, implement, and maintain CI/CD pipelines to support efficient and reliable software delivery.
• Automate infrastructure provisioning, configuration management, and deployment processes using
  Ansible
  .
• Develop and maintain
  Jenkins
  pipelines using
  Groovy
  .
• Deploy, manage, and optimize containerized applications on
  OpenShift
  and
  Kubernetes
  platforms.
• Configure and support
  Istio
  service mesh for secure, scalable, and resilient microservices communication.
• Manage database schema versioning and deployment using
  Liquibase
  .
• Collaborate closely with development, infrastructure, and security teams to improve deployment processes and operational efficiency.
• Monitor system performance, troubleshoot production issues, and implement continuous improvements.
• Promote DevOps best practices, automation, and infrastructure reliability across the project.

Requirements

• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field
• 5+ years of professional experience
  in DevOps, Platform Engineering, or a similar role.
• Strong hands-on experience with
  Ansible
  for automation and configuration management.
• Proven experience building and maintaining
  Jenkins
  pipelines using
  Groovy
  .
• Solid expertise with
  OpenShift
  and/or
  Kubernetes
  container orchestration platforms.
• Experience implementing or supporting
  Istio
  service mesh.
• Hands-on experience with
  Liquibase
  for database change management.
• Strong understanding of CI/CD principles, infrastructure automation, and release management.
• Experience working in Linux-based environments.
• Strong troubleshooting, analytical, and problem-solving skills.
• Excellent communication skills and the ability to collaborate effectively within cross-functional teams.

Benefits

• Opportunity to work on a strategic project within the banking sector.
• Exposure to modern cloud-native technologies and enterprise DevOps practices.
• A collaborative, innovative, and technology-driven working environment.
• Long-term project with opportunities for professional growth and continuous learning.
• Competitive compensation package.

Viva.com is the first Tech Bank in Europe for businesses, serving 29 countries through its pan-European critical infrastructure for payments & banking services.

Viva.com's offering spans across omnichannel payment acceptance, deposit accounts, card issuing, and a broad suite of financing solutions - including working capital and advance booking financing - alongside fiscalisation services, giving businesses across all verticals access to the tools they need to run their operations efficiently, on a single integrated platform.

Viva.com pioneered and leads in Tap on Any Device technology, enabling acceptance on any Android device or iPhone, while connecting directly to all major international and local card schemes, local payment systems, and alternative payment methods across Europe.

The Role
As a
Senior Systems And Cloud Solutions Architect Engineer
you will join our IT Operations team in supporting and evolving our production and cloud-based infrastructure. The successful candidate must have a skill pool that enables configuration and administration of Viva servers and network infrastructure. In addition to this, suitable candidates should also be able to take point in resolving escalated incidents and issues logged by our internal ticketing system.

Responsibilities:

• Be responsible for the maintenance, configuration, and administration of production IT infrastructure (On premises & Cloud);
• Design, deploy and maintain our cloud-based infrastructure within Microsoft Azure; including Azure Active Directory, IaaS infrastructure (VMs, Networking firewalls/security,VPN IPSec), SaaS and PaaS infrastructure (services such as Redis, RabbitMQ, Azure Databases, AKS, Service Fabric,App Services,etc);
• Be in charge of the maintenance, configuration and administration of networking infrastructure including switches, firewalls and load-balancers;
• Collaborate with Viva core teams, as well as third-party partners, in support of our service level agreements (SLAs);
• Work with solution engineers and developers to identify business requirements and suggests service improvements and/or new technology directions;
• Monitoring and maintaining network and services, like VPN,Firewalls,Application Services,etc;
• Performing system upgrades following new releases;
• Experience with scripting and automation tools;
• Create and maintain documentation of systems processes and procedures;
• Assist IT Operations management in defining procurement budgets for IT and infrastructure projects;
• Have strong problem analyzing, tracking and solving skills

At Viva.com, we believe in amplifying human potential through AI. When you join us, you're stepping into a future-forward environment where technology empowers every role, driving smarter, more efficient.
Requirements

• Bachelor's degree in Computer Engineering, Electrical Engineering or a related technical degree;
• A minimum of 5 years of experience as a Systems And Cloud Solutions Architect Engineer;
• Proven knowledge of Microsoft Azure services including deployment, resource administration and maintenance;
• Demonstrable knowledge of Microsoft Windows server administration;
• Proven knowledge of Linux administration (Ubuntu, Debian);
• Working with HTTP web technologies (Apache/Nginx/IIS);
• Knowledge in containerized environments (Docker) and orchestrators (Docker Swarm, Kubernetes) will be a plus;
• Previous knowledge of version control server administration, such as Git will be considered a plus;
• Excellent analytical and good problem-solving skills with a can-do attitude;
• Ability to solve problems in stressful situations

Benefits
💸
Competitive compensation package;

🎯Annual bonus based on your performance and targets' achievement;

🏥 Private health insurance for you and your family;

💻 Top of the Line tools and equipment;

📚 Career development and regular feedback to develop your skills;

🏃🏽‍♂️ Employee Wellness Program like Daily group sessions led by professional coaches.

At EY, we’re all in to shape your future with confidence.

We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go.

Being part of EY in Greece means being part of a continuously growing team, which has been announced as
Top Employer
for the fourth consecutive year, certified as a
Great Place to Work
for the third year in a row, and awarded as
Best Workplace in Professional Services & Consulting
for the second consecutive time, for our
almost 3,000 professionals
!

At EY, we’ll develop you with
future-focused skills
and equip you with
world-class experiences
through coaching and training programs as well as the use of
advanced technology and AI
. We’ll fuel you and your extraordinary talents in a
diverse and inclusive culture
of globally connected teams

Join us as we commemorate 100 years of EY in Greece this year. Experience great flexibility under our
hybrid operating model
across our offices in Athens, Patras, Thessaloniki and Crete and contribute to
building a better working world
.

The opportunity
Patch and Vulnerability Management is a foundational capability for modern cyber resilience. Organizations need to continuously identify exposures, prioritize remediation based on real risk, and deploy fixes safely across complex endpoint, server and cloud estates. In this role, you will help our clients strengthen their security posture by designing, improving, and operationalizing vulnerability and patch management processes and by leveraging automation to increase speed, quality, and auditability.

Your Key Responsibilities
You will be a key member of our security engineering/operations delivery teams, responsible for establishing and running end-to-end vulnerability and patch management in alignment with client needs and operating models.

• Deliver end‑to‑end vulnerability assessment and risk‑based remediation prioritization.
• Partner with stakeholders to validate scope, impact, and remediation approach across environments.
• Plan and govern patching activities in line with SLAs, maintenance windows, and change processes.
• Execute standard and emergency patching with appropriate testing, approvals, and rollback controls.
• Operate and continuously optimize patching and remediation tooling (e.g. Intune, Azure Update Manager, MECM/SCCM, Tanium).
• Drive automation and scripting to improve remediation efficiency and operational quality.
• Maintain accurate asset inventory, tagging, and ownership to enable accountability and reporting.
• Produce operational and executive‑level reporting, highlighting trends and improvement opportunities.

Skills And Attributes For Success
To qualify for the role you must have:

• Bachelor’s Degree in Computer Science, Engineering, IT, Mathematics or related field, or equivalent work experience.
• Proven experience establishing and/or operating Vulnerability & Patch Management processes in a corporate environment.
• Strong understanding of vulnerability assessment methodologies and patch prioritization principles (risk/exposure-based).
• Hands-on familiarity with enterprise endpoint/server patching operations and change-controlled environments.
• Strong analytical/problem-solving skills and the ability to communicate clearly with technical and non-technical stakeholders.

Ideally, you will also have:

• Strong Microsoft ecosystem experience (e.g., Microsoft security/endpoint platform exposure)
• Experience optimizing a tool stack and proposing improvements.
• Experience in hybrid/cloud environments and supporting large-scale operations.
• Microsoft Security certifications such as MD102, AZ-500, MS-500, SC-100, SC-200, SC-300, SC-400
• Vendor-agnostic security Certification(s) such as from ISC2 (CISSP, CCSP, etc), ISACA (CISM, CISA) or SANS/GIAC (GSEC, GCLD, GPCS, etc) will be considered a plus.
• In depth hands-on experience with a multitude of operating systems, databases and networking infrastructure.
• Ability in writing custom scripting tools (Python, Ansible, PowerShell, etc), interacting with API’s.

What We Offer You
Ability to Shape your Future with Confidence by:

• Developing your professional growth:

• You'll have unlimited access to educational platforms, EY Badges and EY Degrees, alongside support for certifications. You will experience personalized coaching and feedback, and gain exposure to international projects, through our expansive global network, empowering you to define and achieve your own success.

• Dive into our innovative GenAI ecosystem, designed to enhance your EY journey and support your career growth. These advanced AI tools will empower you to focus on higher-value work and meaningful interactions, enriching your professional experience like never before.

• Empowering your personal fulfilment: We focus on your financial, social, mental and physical wellbeing.

• Our competitive rewards package, depending on your experience, includes cutting-edge technological equipment, ticket restaurant vouchers, a private health and life insurance scheme, income protection and an exclusive EY benefits club card that provides a wide range of discounts, offers and promotions.
• Our flexible working arrangement (hybrid model) is defined based on your own preferences and team’s needs, and we enjoy various getaways such as short Fridays, Flex Day and Together Day.
• Our commitment to a sustainable way of operating, encourages volunteerism, promotes sustainable practices and offers opportunities for you to create a positive societal impact.
• Our pride lies in working at EY as one of the most recognized employers in Greece through our multiple awards received over the last 4 years (Top Employer, Great Place to Work and Best Workplace in Professional Services & Consulting).
• Fueling an inclusive culture: We prioritize a diverse, equitable and inclusive environment, where you’ll be embraced for who you are and empowered to use your voice to help others find theirs.

Are you ready to shape your future with confidence? Apply today.

To help create an equitable and inclusive experience during the recruitment process, please inform us as soon as possible about any disability-related adjustments or accommodations you may need.

EY
| Building a better working world

EY is building a better working world by creating new value for clients, people, society and the planet, while building trust in capital markets.

Enabled by data, AI and advanced technology, EY teams help clients shape the future with confidence and develop answers for the most pressing issues of today and tomorrow.

EY teams work across a full spectrum of services in assurance, consulting, tax, strategy and transactions. Fueled by sector insights, a globally connected, multi-disciplinary network and diverse ecosystem partners, EY teams can provide services in more than 150 countries and territories.

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