Senior Platform Security Engineer (NIS)
FREQUENTIS Solutions & Services s. r. o.
Karadžičova 8, Bratislava, Slovakia (Job with occasional home office)
full-time, trade licence
4 000 EUR/monthFreelancer´s hourly rate upon agreement. The final basic wage component will be adjusted to individual skills and experience of selected candidate.
Information about the position
Job description, responsibilities and duties
FREQUENTIS Solutions & Services (FSS) as a member of the Austrian Group FREQUENTIS AG, is focused on software development, system engineering and delivery of safety-critical voice communication and information systems. Our solutions are developed and distributed in the following business segments: Air Traffic Management & Defence (civil and military air traffic control, aeronautical information management), Public Safety (police, fire and rescue services, emergency medical services) and Public Transport & Maritime (railway and urban transport solutions, vessel traffic management).
We are looking for an experienced Senior Platform Engineer to strengthen our Network & Infrastructure Services (NIS) organization and support the secure operation and continuous improvement of our platform environments. In this role, you will work closely with Information Security Officers, infrastructure teams, and security specialists to implement security requirements, address audit findings, and ensure compliance across OpenShift/Kubernetes platforms, virtualization, and storage environments.
You will play a key role in defining platform standards, implementing security hardening measures, driving remediation activities, and ensuring scalable, resilient, and secure platform operations.
Join an international technology leader and contribute to protecting safety-critical systems while enjoying flexible working conditions and a strong work-life balance.
Main Responsibilities
- Implement security requirements and audit findings defined by Information Security Officers and security teams across platform environments
- Design, deploy, and operate OpenShift/Kubernetes platforms
- Apply system hardening measures, security configurations, and remediation activities in line with compliance requirements
- Define platform standards, best practices, and architectural principles
- Drive automation initiatives using Infrastructure as Code (IaC) and CI/CD approaches
- Create and maintain reusable platform templates and deployment standards
- Integrate monitoring, logging, and security controls into platform environments
- Improve operational efficiency through automation and standardization
- Ensure the scalability, resilience, and secure operation of platform services
- Collaborate with platform, infrastructure, and security teams to ensure secure and compliant platform operations
- Contribute to the continuous improvement of platform security and operational practices
Technical Skills & Competencies
- Hands-on experience with OpenShift and Kubernetes platforms and a solid understanding of cluster-based environments
- Strong Linux administration background
- Experience with system hardening and implementation of security controls
- Experience with vulnerability remediation and security-related operational activities
- Strong understanding of OpenShift/Kubernetes platform architecture and operations
- Experience with automation concepts, Infrastructure as Code (IaC), and CI/CD practices
- Familiarity with monitoring, logging, and security integration within platform environments
- Experience defining platform standards and supporting platform lifecycle management
- Knowledge of Nutanix is considered an advantage
- Experience with cloud-based environments (e.g. Azure) is considered an advantage
- Ability to translate security and compliance requirements into practical technical implementations
- Strong analytical and troubleshooting skills in complex platform environments
Employee perks, benefits
- Training and development program (business and product trainings, language course)
- Employee referral program (financial reward for recommending a successful candidate
- Employee assistance program (legal, financial and psychological counselling)
- Meal contribution fully paid by the company
- Multisport card/Pension scheme contribution (DDS)
- Flexible working hours, home office
- Refreshments, company & team events
Requirements for the employee
Candidates with education suit the position
University education (Bachelor's degree)
University education (Master's degree)
Educational Specialization
Language skills
Personality requirements and skills
- Strong sense of ownership and accountability for platform-related topics
- Structured and analytical approach to problem solving
- Ability to translate compliance and security requirements into practical technical solutions
- Strong focus on standardization, automation, and operational efficiency
- Excellent collaboration and communication skills across technical teams
- Ability to prioritize remediation and improvement activities effectively
- Proactive mindset focused on continuous improvement and operational excellence
- Ability to work independently while maintaining strong teamwork and cooperation
- Commitment to maintaining high security standards in safety-critical environments
Advertiser
Brief description of the company
FREQUENTIS Solutions & Services is specialized in software development and project delivery. Together with our parent company we are developing FREQUENTIS’ next generation control room solutions, using state-of-the-art technologies and processes. Our delivery teams then deploy those solutions at our customers around the globe, with responsibility for commercial and technical project management, engineering and quality assurance.
To grow our team, we are constantly looking for talents in all these fields. Our company offers an interesting and challenging technical environment, a people-focused culture with emphasis on a good work-life-balance and, if desired, a long-term development and career opportunities.
For our customers, lives may be at stake and seconds count. Our solutions thus need to be developed to the highest standards when it comes to usability and reliability. Safety is what guides us from the first designs till the final tests of any of our solutions. If those are the kinds of challenges that excite you, then you have come to the right place!