DevSecOps Engineer – Telco industry

Are you passionate about securing cloud-native infrastructure at scale? Join us in an exciting collaboration with our global telecom client-known for pioneering VoIP and real-time communications APIs used by millions worldwide. Together, we're shaping the future of secure, cloud-native platforms by embedding security into every layer of the DevOps lifecycle. If you thrive in public cloud environments and want to own what you build - this role is for you. Apply now and be part of something meaningful!

Your responsibilities

• Maintain and evolve a high-availability container registry platform, ensuring security, reliability, and performance

• Design and develop automated mechanisms for identifying and addressing security risks across cloud workloads

• Create robust, secure Kubernetes environments that support multi-tenancy, proper access controls, and scalable architecture

• Take part in cloud security reviews, architecture risk assessments, and support audit preparation with actionable insights

• Share knowledge across teams by preparing documentation, leading security-focused workshops, and promoting DevSecOps best practices

Our requirements

• Senior-level experience in designing and owning infrastructure in public cloud environments—this role is about building, not just deploying

• Proven background with public cloud platforms (preferably AWS), used in complex and production-grade environments

• Expertise in managing distributed Kubernetes environments, with a focus on networking, RBAC, and multi-tenancy

• Deep understanding of container ecosystem security, including registry operations and secure image lifecycle

• Proactive and hands-on approach to cloud security—automating detection, prevention, and response mechanisms at the infrastructure level

• Willingness to visit the office in Wroclaw at least once a month

• Residing in Poland required

What we offer

• Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas

• Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market

• We share the profit with Workers - over PLN 60M has already been allocated for this aim since 2022

• Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more

• Comfortable workplace – class A offices or remote work

• Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application

• PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers

• Investment in your growth – meetups, webinars, training platform and technology blog – you choose

• Fantastic atmosphere created by all Sii Power People

Recruitment stages

1 Send your CV

2 Talk to us about your expectations

3 Learn more about our projects and choose the best

4 Start your adventure with Sii!

Sii Sp. z o.o.

Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 500 professionals and implement projects in a variety of industries for clients from many countries around the world.

The Great Place to Work title, won 10 times in a row, proves that at Sii we create a friendly work environment. In a survey, as many as 90% of our employees responded that Sii is a great place to work, and 95% of them think we have a great atmosphere here.