DevSecOps Engineer for Nessus – Cybersecurity Infrastructure

Unleash cybersecurity innovation — empower digital resilience through expert infrastructure and automation

Krakow-based opportunity with hybrid work model (up to 3 days remote per week).

As a DevSecOps Engineer for Nessus, you will be working for our client, a leading international bank committed to delivering secure, scalable, and cutting-edge digital financial services. Join a mission-driven team focused on strengthening cybersecurity infrastructure, automation, and continuous delivery within a high-stakes financial environment — an exciting career growth path in global cyber defense.

Your main responsibilities:

• Provide production support, including incident management and first/second line user support for cybersecurity tools and infrastructure.
• Manage daily operations of the infrastructure supporting cybersecurity assessment services, including application servers, databases, virtual machines, Kubernetes workloads, and cloud resources.
• Maintain and optimize logging and monitoring solutions to ensure seamless service operation.
• Enforce security standards through patching, vulnerability remediation, and security posture management.
• Design, develop, and implement automation workflows using scripts and tools like Ansible.
• Prepare, test, and deploy infrastructure changes following established processes, providing post-go-live support and documentation.
• Collaborate with stakeholders across Cybersecurity and IT teams to develop innovative solutions protecting enterprise assets.
• Act as a Technical SME for cybersecurity hosting platforms, providing guidance on deployment and features.
• Mentor and coach team members to foster a collaborative, knowledge-sharing environment.
• Propose and evaluate emerging technologies to enhance vulnerability detection and infrastructure security.

You're ideal for this role if you have:

• 5+ years of recent experience in RHEL/Linux System Administration, with strong hands-on knowledge of:
  • Configuring and managing servers/applications
  • Scripting in Bash and Python
  • Using Ansible for automation (playbooks, roles)
  • Managing storage (LVM)
  • Network setup and troubleshooting (IP, nftables, routing)
  • Incident and Change Management in an agile DevOps context
  • Building and maintaining CI/CD pipelines (GitHub, Jenkins, JIRA, Ansible)
  • Database management with SQL (PostgreSQL)
• Good working knowledge of virtualization, cloud environments (especially GCP), containers (Docker/Kubernetes), and secrets management tools like Hashicorp Vault.
• Familiarity with security vulnerability scanners (e.g., Nessus, Tenable products) and tools like Centrify.
• Experience with centralized logging/monitoring platforms such as Splunk, Application Dynamics, or xMatters.
• Automation-driven mindset with excellent problem-solving and communication skills.
• Proven ability to work effectively in fast-paced, team-oriented environments.

It is a strong plus if you have:

• Certifications in cybersecurity or cloud technologies
• Knowledge of Windows Server environments
• Experience with Terraform, GIT, Jenkins, or similar DevOps tools

Language required for the role:
Excellent command of English, both verbal and written.

Eligibility to work in this role:
Only candidates with an existing legal right to work in the European Union will be considered for this role.

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Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.