Virtu is a leading financial firm that leverages cutting edge technology to deliver liquidity to the global markets and innovative, transparent trading solutions to our clients. As a market maker, Virtu provides deep liquidity that helps to create more efficient markets around the world. Our market structure expertise, broad diversification, and execution technology enables us to provide competitive bids and offers in over 19,000 securities, at over 235 venues, in 36 countries worldwide. THE ROLE Our trading platform runs on high performance servers distributed across data-centres and offices throughout the world. These servers are highly automated and finely tuned to meet the growing demands of our business. Our Systems Engineers are responsible for designing, building and supporting these servers, working with engineers across our global groups to ensure that our trading platform remains the best in the business. We are looking to fill this role in our Dublin or London branch. RESPONSIBILITIES Analise, diagnose, and resolve of Linux based server issues. Create, test, deploy, and maintain packages, batch files, and scripts for the OS environment. Identify opportunities for optimisation in order to reduce latency and increase efficiency. Manage move, add, and change requests and configuration as needed. Liaise with internal technology groups and vendors as necessary to deliver optimum solutions. Assist in developing long-term infrastructure strategies and capacity planning to meet future platform infrastructure needs. THE CANDIDATE 5 years background in Linux/Unix administration. Kernel tuning experience. Strong understanding of networking and network topology. Knowledge of Kickstart, Ansible, Yum, Git, SVN. Understanding of NAS environments. Strong understanding of various protocols and services including NFS, DHCP, IP, TCP, UDP, TFTP and NTP. Strong scripting ability (Bash, Python etc). Experience with BIOS configuration. Analytical, innovative, problem solving and strategic thinker. Self-motivated and proactive; strong organisational and time management skills. Able to manage multiple streams of communication (i.e. email, chat room, and in person). Must have high tolerance for continually shifting priorities. Ability to manage multiple projects and coordinate work with various teams and vendors in addition to daily production support activities. Understanding of what milli-, nano-, and micro-seconds are and why they're important. WHY VIRTU The opportunity to make an impact in a highly visible role within the firm A great place for upward and geographic mobility Direct exposure to the decision makers and senior leaders on the business side A company that’s investing a sizable amount in its technology department Teams that are passionate about continually learning, improving and raising the bar A community that values hard work as well as work-life balance After passing an initial resume screening, candidates will be sent an online system administration test. We look forward to meeting you. Virtu Financial is an equal opportunity employer, committed to a diverse and inclusive workplace, welcoming you for who you are and does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.