Linux System Engineer

Job IntroductionFREQUENTIS Solutions & Services s. r. o., 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 & Transport (police, fire and rescue services, emergency medical services, vessel traffic and railways).Frequentis has been providing the defence market with mission-critical communication, information and surveillance systems for over seven decades. The fully redundant, highly-available communications framework is used by joint and combined forces in today's command centre operations – be it in the air, at sea, or on land.When it comes to mission-critical communications, secure voice and data exchange is paramount. Military organisations and civil air authorities worldwide require trustworthy solutions they can rely on during both standard operation, as well as their missions.Join our team and help us make our solutions even more reliable. Work for an international technological leader and enjoy the benefits of flexible working arrangements and our focus on a good work-life balance.Who We Are Looking For? We are looking for a System Engineer who will take a key role in the technical implementation and service lifecycle of our systems, ensuring both delivery excellence and high-quality service support for our customers in the Defense domain.Key Tasks Plan, design, and implement technical solutions for customer delivery projects, ensuring compliance with system requirements and quality standards Integrate systems and components into complex environments, performing installation, configuration, and validation activities Perform system audits, participate in site acceptances, and ensure system readiness. Prepare and maintain technical documentation, including configuration records, design specifications, and operational manuals Assist customers with technical questions related to system operation, configuration, and service Collaborate with Product Management on designing and extending/improving products Support the transition of delivery projects into the service phase, ensuring smooth knowledge transfer and operational readiness Service and maintenance duties: Handle service tickets (incidents, problems, configuration changes) within agreed response times and participate in on-call duties. Document and analyze reported incidents and problems, coordinate and carry out root cause analyses and remediesKey QualificationsTechnical Skills and Knowledge Installation, configuration, and maintenance of Linux servers (preferably RHEL), including upgrades and troubleshooting Bash scripting proficiency Solid experience with virtualization platforms (VMware and KVM preferred) Understanding of VoIP technologies (SIP) and experience with SBC & PABX systems Familiarity with various storage technologies and basic networking concepts and configurations (CISCO preferred) Understanding of clustering principles Ability to create clear technical documentation, including step-by-step guides, specifications, and requirements Ability to quickly adapt to frequent software releases and evolving environments Special Skills & AbilitiesStrong analytical and troubleshooting skills in distributed system environments Professional communication skills, even in critical situations Precise and structured documentation practices Willingness to travel to Vienna or to customer’s locations internationally Willingness to undergo security clearance Willingness to participate in an on-call duty rotation Skills Considered As An Advantage, But Not DisqualifyingExperience with Windows Server installation and maintenance Experience with cloud platforms (AWS, Azure, etc.) Experience with database system (MySQL, MSSQL, PostgreSQL, Oracle DBMS) Experience with monitoring systems (Zabbix) Experience with monitoring and backup solutions Familiarity with automation tools (Ansible) Experience with service management frameworks (e.g., ITIL)Personality Requirements And SkillsFlexible, self-driven, goal-oriented Structured and responsible approach to work Team player who can operate within corporate processes and collaborative environments Customer-oriented mindset with a focus on delivery excellenceOur ValuesAround 2,300 employees are committed to creating a safer world with their innovative strength and technology orientation. Our culture is based on a working environment characterized by fairness and trust, mutual respect and appreciation. As an international company, we value this diversity and recruit regardless of age, gender, origin, ethnicity, sexual orientation or religion. We value fair and good working conditions, an optimum work-life-balance and offer all our employees equal development opportunities. In doing so, we focus on long-term working relationships in order to keep the valuable know-how of our employees stable.BenefitsWe offer an international and exciting work environment with manifold opportunities to grow both personally and professionally. Happiness and commitment of our employees is a key contributor to our success and we therefore put strong emphasis on our team spirit and a healthy work-life-balance. We are located in a modern office building with good public transportation connections, close to the city center of Bratislava.TRUST-BASED REFRESHMENTS HOME MODERN MENTORING TRAININGSTEAM & EMPLOYEE WORKING HOURS AT WORK OFFICE IT-EQUIPMENT PROGRAM COMPANY EVENTS REFERRAL PROGRAM