{"id":195058,"url":"https://alion.io/job/optimal-engineering-consultants-lead-sysadminsre","title":"Systems Administrator","company":{"id":85149,"name":"Optimal Engineering Consultants","domain":"optimal.ae","url":"https://alion.io/company/optimal","size_band":"11-50","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":null},"role":"DevOps","role_family":"DevOps","seniority":null,"employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Chicago, United States","New York, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":140000,"max":200000,"currency":"USD","period":"year","gross":null,"usd_annual":200000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"C++","optional":false},{"name":"Claude Code","optional":false},{"name":"Linux","optional":false},{"name":"Nagios","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false},{"name":"Azure","optional":true}],"status":"live","first_seen_at":"2026-06-29T12:35:26Z","employer_posted_date":"2026-09-17","last_verified_at":"2026-11-01T08:59:57Z","board_verified":true,"closed_at":null,"days_open":124,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":124},"description":"About Us:\nOptimal Market Technologies is a FINRA-registered broker-dealer with an innovative platform of wholesale options and execution solutions designed to meet the needs of today’s dynamic market participants. Optimal can quickly and seamlessly enhance its platform, adapt to regulatory changes, and offer a more efficient implementation that scales as clients grow. Optimal is disrupting the US Options Wholesale landscape by introducing a Competition for Order Flow model through which market makers compete for retail flow on our platform based on best execution quality. Additional offerings include an Institutional Alternative Trading System (ATS) for discreet execution and price improvement and Execution Services for institutional-grade routing and algorithmic execution designed to balance price capture, speed, and market impact across trading objectives. \nThis is an opportunity to work for a fintech start-up and to be an integral part of growing a broker-dealer from the ground up. As a small, hardworking team, we pride ourselves on our entrepreneurial culture and cross-team collaboration. We recently raised funding from several strategic partners and are in a very exciting stage of growth. \nPosition: Systems Administrator\nCompany: Optimal Market Technologies, LLC\nLocation: Chicago or NYC, hybrid\nSalary: $140,000 - $200,000 base salary + discretionary bonus (commensurate with experience)\nPosition Overview:\nWe are seeking a hands-on Systems Administrator, working alongside our existing sysadmin, to keep our production infrastructure running and to grow it. You and your colleague own the infrastructure layer: hosts, network, storage, and connectivity, with some services supported by external providers. Application-level production support and incident coordination sit with our senior Production Engineer. You will build and operate what you put in place, automate routine work, and help us move from individual knowledge to reliable, documented systems.\nOur environment:\nWe run an automated trading system with single-digit-millisecond latency requirements on bare-metal Linux. We use cloud for storage and are investigating wider use. We currently use Nagios and Ansible; our applications are written in C++, Python and SQL. We are actively modernizing, upgrading technologies (e.g. CentOS7 to RHEL9), and have legacy and new systems running in parallel. You will deliver a stream of technology changes.\nPrimary Responsibilities:\nOwn the Linux and network estate across colocation and cloud: deployment, capacity, and failover.\nAutomate routine work through Infrastructure as Code.\nOwn infrastructure security: hardening, access control, recoverable backups, and security incident response.\nDiagnose and resolve infrastructure issues in production. Take part in incident response and the on-call rotation.\nOwn end-to-end connectivity monitoring, from client servers through our systems to the exchanges, and identify where and why it fails.\nTrack what breaks in production and why and turn repeat firefighting into automation that prevents it.\nOwn recovery runbooks and drills and run the technical side of post-incident review.\nPartner with the development team on deployments, performance tracking and capacity planning.\nOn-call coverage is market hours plus a support rotation.\nWhat We're Looking For:\nStrong hands-on Linux and network administration.\nStrong scripting and automation skills.\nExperience with Infrastructure as Code (we are open on which tools).\nA track record in production support and incident response.\nExperience using AI tools, ideally Claude Code.\nOwnership: you take responsibility for what you run and communicate status without being asked.\nClear communication and the ability to work well in a small team.\nPreferred Qualifications:\nExperience at a start-up.\nExperience in real-time critical systems.\nExperience in an order-management or exchange-connected financial business.\nPython\nCloud services, ideally Azure including AVD.\nSalary Range\n$140,000—$200,000 USD\nOptimal is an equal opportunity employer. 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