MenuBack to Technology jobs in Chicago Enterprise Infrastructure Engineering Lead LevelExperiencedLocationChicagoDepartmentTechnologyApplyApply Optiver is looking for an experienced and hands-on Infrastructure Lead to join our US Enterprise Infrastructure Engineering team in Chicago. In this role, you’ll lead a small team of high-performing engineers, drive technical initiatives across our hybrid infrastructure, and collaborate closely with global stakeholders. You’ll be responsible for both technical delivery and team development — striking the balance between strategic leadership and deep technical expertise. We’re looking for someone who thrives in a dynamic, fast-paced setting and is passionate about building scalable, secure, and automated infrastructure solutions. What you'll do Lead and mentor a team of infrastructure engineers based in Chicago Develop and manage the global Optiver Trading Workstation infrastructure. You’ll directly influence the front-end systems used by all traders in Optiver Drive automation and infrastructure-as-code best practices using tools like Python, PowerShell, and Terraform Own critical systems across VMware, Windows Server, NetApp, and related enterprise infrastructure Collaborate with cross-functional teams globally, ensuring reliability, scalability, and operational excellence Be a culture carrier — shaping team values, communication practices, and ways of working Influence long-term technical direction and provide strategic input on how infrastructure evolves to meet business needs Ensure observability and proactive system monitoring across all platforms What you'll get You’ll join a culture of collaboration and excellence, surrounded by curious thinkers and creative problem-solvers. Motivated by a passion for continuous improvement, you’ll thrive in a supportive, high-performing environment alongside talented colleagues, collectively tackling some of the toughest challenges in the financial markets. In addition, you’ll receive: The opportunity to work alongside best-in-class professionals from over 40 different countries Highly competitive compensation package including performance-based bonus structure 401(k) match up to 50% Comprehensive health, mental, dental, vision, disability, and life coverage 25 paid vacation days alongside market holidays Extensive office perks, including breakfast, lunch and snacks, regular social events, clubs, sporting leagues and more Who you are Proven leadership experience managing or mentoring technical teams (minimum 3+ years in a lead capacity) Strong technical background in infrastructure engineering Deep hands-on experience with, or a willingness to learn and dive deep into: Python, PowerShell, or Terraform (HCL) Virtualization infrastructure Windows Server management & debugging NetApp or similar enterprise storage systems Solid understanding of Active Directory, DNS, and core networking concepts Experience with observability stacks (e.g., SCOM, Telegraf/Influx/Grafana, Prometheus) Strategic thinker with the ability to influence and drive decisions, with a high degree of ownership Strong listener who creates space for diverse views while providing technical direction Who we are At Optiver, our mission is to improve the market by injecting liquidity, providing accurate pricing, increasing transparency and stabilizing the market no matter the conditions. With a focus on continuous improvement, we prioritize safeguarding the health and efficiency of the markets for all participants. As one of the largest market making institutions, we are a respected partner on 100+ exchanges across the globe. Our differences are our edge. Optiver does not discriminate on the basis of race, religion, color, sex, gender identity, sexual orientation, age, physical or mental disability, or other legally protected characteristics. Below is the expected base salary for this position. This is a good-faith estimate of the base pay scale for this position and offers will ultimately be determined based on experience, education, skill set, and performance in the interview process. This position will also be eligible for a discretionary bonus (if determined by Optiver) and Optiver’s benefits package with the benefits listed above. Base Salary Range$200,000—$230,000 USD