Kubernetes & Security Specialist (Cilium & Service-to-Service Security)

About the project

Hi there! If you’re seeking a high-impact role within an ambitious and fast-growing software house, you might have just found your perfect match!

Our client operates a high-scale, AI-powered Intelligent Observability Platform serving complex, enterprise digital environments.

We are hiring a Kubernetes Security & Networking Specialist to harden and secure service-to-service communication across large-scale Kubernetes clusters. You will focus on cloud-native network security, network policies, identity isolation, and eBPF-based tooling (Cilium) to safeguard multi-tenant data pipelines.

This is how we organize our work

This is how we work

• you have influence on the technological solutions applied
• you focus on product development

Team members

• backend developer
• architect
• devOps

Your responsibilities

• Design, implement, and maintain service-to-service security policies within production Kubernetes clusters using Cilium (or similar eBPF/CNI solutions).
• Enforce zero-trust network policies, identity-based access control, and TLS/mTLS encryption across microservices.
• Hardened EKS/Kubernetes cluster configurations, container security standards, and vulnerability management.
• Partner with client security, platform, and architecture teams to integrate security gates into CI/CD pipelines.
• Troubleshoot complex networking, CNI, and traffic isolation issues in regulated enterprise environments.

Our requirements

• Strong track record in K8s security, RBAC, network policies, and cluster hardening.
• Deep experience with Cilium, Calico, Tigera, or Service Mesh technologies (Istio/eBPF).
• Hands-on experience with AWS (EKS, IAM/IRSA, KMS, VPC) and Terraform.
• Familiarity with OIDC/SSO, secrets management, image scanning, and compliance controls.
• Willingness to participate in pre-scheduled evening alignment calls (17:00–21:00 CET) with US teams

What we offer

• Private medical care
• Multisport card
• Friendly, informal atmosphere, and direct contact with everyone in the company
• Modern technologies

This is how we work on a project

• DevOps

Benefits

• Gift vouchers for kids (birthdays, Christmas, Child's Day)
• sharing the costs of sports activities
• private medical care
• remote work opportunities
• flexible working time
• extra social benefits
• baby layette
• school layette
• employee referral program
• charity initiatives

Recruitment stages

• HR call
• Technical call (45-60 min.)
• Meeting with our Client (45 min.)

ACAISOFT POLAND Sp. z o.o.

Acaisoft is a Polish company partnering with industry leaders across healthcare, telecom, fintech, and insurance. We specialize in delivering cloud-native, data-driven, and scalable solutions for enterprises operating in fast-moving environments. We currently serve around 30 active customers worldwide, mostly based in the U.S. We specialize mainly in:

* Data Engineering & AI

* Cloud-Native Solutions, including Cost Optimization

* Platform Engineering

Since technology is constantly being developed at such a fast pace, we always strive to be one step ahead of the market and keep up with the latest solutions.