System Administrator / Linux Specialist

Försvarets Radioanstalt · plný úvazek

Box 301, Bromma, Švédsko

1 position(s). Do you want to serve the greater good and contribute to Sweden's independence in the world? Are you a Linux expert who thrives in the intersection of system administration and network technology? We are now looking for a driven System Administrator / Linux Specialist who wants to take full responsibility for the design, configuration, and operation of our critical environments. At FRA, every task is part of something larger. If you are the person we are looking for, we can offer varied work in a knowledge-intensive environment where you get to make a difference every day. Your Assignment As a system administrator/Linux specialist, you will be part of the Cyber Operations Division, Access Development Office. The office is tasked with developing and delivering access and exploitation capabilities for signals intelligence operations. The division contributes to strengthening protection against sophisticated IT attacks from abroad for critical infrastructure in Sweden. By identifying and tracking the attackers behind these attacks and building knowledge about their methods and motives, we offer both technical solutions and advisory services to government agencies and state-owned enterprises. In this way, we contribute to Sweden's cyber defense. In the role of system administrator/Linux specialist, you will design and implement complex solutions from the ground up. We offer an environment where you can continuously grow and take full ownership of your own professional development. Your main responsibilities: Network Infrastructure: Design and operation of Linux-based networks, including routing, VLANs, VPN solutions, and network segmentation. Virtualization & Isolation: Implement and manage application isolation using namespaces, containers, and sandboxes. System Development: Build, maintain, and administer Linux distributions and packages in CI/CD environments. Security: Responsible for security architecture in strictly isolated (air-gapped) environments with high segmentation requirements. Operation & Quality: Configure network topologies and firewall rules, and work systematically with version control and issue tracking. Evening and weekend work as well as travel may occur. Your Qualifications We are looking for you who have: High school diploma or equivalent competence acquired through work experience Several years of experience as a system administrator in Linux environments In-depth Linux expertise. Experience with network configuration and VPN. Familiarity with virtualization and application isolation. Strong skills in scripting, automation, and CI/CD. Good knowledge of Swedish and English in spoken and written form It is a major plus if you also have: Post-secondary education in computer science, network technology, systems science, or equivalent Relevant Linux certifications Experience in high-security environments and critical infrastructure (including air-gap). Knowledge of network segmentation, Linux hardening, and security architecture. Experience with Red and Blue teaming and network troubleshooting. Experience with BSD systems, IoT, and configuration as code. Class B driver's license Your Personal Qualities We are looking for someone with the following characteristics: Collaboration – You work well with other people and relate to them in a responsive and flexible manner. You listen, communicate, and resolve conflicts constructively. Self-directed – You take responsibility for your tasks and plan how to proceed in your work. Creative – You bring new ideas and methods to work-related issues. You can turn your ideas into actions that lead to results. About FRA FRA has the world as its arena where every task is part of something larger. In one way or another, as an employee you get to contribute to protecting Sweden's integrity and independence in the world. You make a real difference, every day. Our mission as an intelligence service is to protect Sweden against the most serious threats that can be directed at a society – military attacks, terrorism, and cyberattacks. We protect what is most important to us – our security, our democracy, and our way of life. We are experts in cyber and signals intelligence, and a warning bell for military threats. Since 2024, FRA has led the National Cyber Security Center, NCSC, whose mission is to develop and strengthen Sweden's ability to prevent, detect, and manage cyber threats. As a new employee at FRA, you will receive comprehensive introductory training and continuous professional development, which gives you the opportunity to develop your skills and become even better at what you are passionate about. Our organization is multifaceted and consists of different competencies and personalities, where each individual has unique characteristics and prerequisites. We strive to create an environment where everyone feels welcome and safe. In addition to a stimulating work environment, we also offer an attractive benefits package, which you can read more about at www.fra.se. For more information about the National Cyber Security Center, visit www.ncsc.se. For your security. For our democracy. Every day. All year round. More Information The workplace is located near Drottningholm, approximately 10 minutes from Brommaplan. Swedish citizenship is a requirement as employment at FRA involves security clearance classification. Before employment, you will be subject to security vetting in accordance with the Security Protection Act. Employment includes an obligation to be mobilized for war. We apply a six-month probationary period. In this recruitment process, work tests/assessments will be used. For more information, you are welcome to contact the recruiting manager at phone 010-557 44 12. Union representatives can be reached at 010-557 46 00. We accept applications via www.fra.se no later than 2026-10-04. Reference number 2026FRA1513-2. Since we have already decided on the recruitment channels we wish to use for this recruitment, we kindly ask that you do not contact us with further offers of advertising and recruitment assistance. Keywords: System Administrator, Linux, Network, FRA Employment Type: Permanent position. Duration: Permanent. Working Hours: Daytime.