{"id":3351245,"url":"https://alion.io/job/ocient-software-engineer-ii-query-processing","title":"Software Engineer II - Query Processing","company":{"id":178237,"name":"Ocient","domain":"ocient.com","url":"https://alion.io/company/ocient","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Gem","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":[],"countries":[],"hiring_countries":["US"],"hiring_countries_total":1,"salary":{"min":145000,"max":165000,"currency":"USD","period":"year","gross":null,"usd_annual":165000},"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"C#","optional":false},{"name":"C++","optional":false},{"name":"Java","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-10-26T20:57:12Z","employer_posted_date":"2026-10-27","last_verified_at":"2026-11-04T22:56:20Z","board_verified":true,"closed_at":null,"days_open":9,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":9},"description":"About Ocient:\nOcient is building OcientAIQ™ - a complete ecosystem for delivering trusted agentic AI solutions at petabyte scale, for the organizations that can't afford to get AI wrong. Our customers protect networks, secure nations, and power the global economy. The problems we solve are genuinely hard, and the work matters.\nFounded in 2016 by the team that built Cleversafe (acquired by IBM in 2015), Ocient is headquartered in Chicago with a remote-first global team. We are a carbon-neutral company backed by leading investors including Greycroft, OCA Ventures, In-Q-Tel, and Buoyant Ventures.\nDo not contact Ocient directly to apply for a role. For security purposes, any applications received via email will be deleted.\nJob Title: Software Engineer II - Query Processing\nLocation: 100% Remote (US Based Only)\nWe cannot sponsor or transfer any visas, of any kind, at this time*\nHiring Manager: Senior Engineering Manager\nEstimated salary range: $145,000 to $165,000\nThe salary offered for this position will be based on a candidate’s experience and skill demonstrated during interviews and other evaluations\nJob Description:\nThe Query Processing team at Ocient handles the full landscape of parsing, validating, optimizing and executing SQL queries. The team ensures queries are correct and valid, the SQL is lowered into an optimal, executable representation, and the resulting plan is efficiently executed over petabytes of data across tens to hundreds of nodes. Query Processing works closely with our Test Infrastructure, Quality Assurance and Customer Operations teams to evaluate and improve performance on existing and new customer workloads, while also implementing new functionality to enable customer success. We are seeking a software engineer with strong interests in performance optimization and analysis - someone who enjoys analytical thinking and tackling abstract problems in the context of distributed database systems.\nWhat You’ll Work On:\nContribute to the ongoing improvement of query processing efficiency through collaboration on design, implementation, and performance analysis across the system \nActively participate in code reviews and design discussions, offering constructive feedback and learning from peers \nDemonstrate curiosity and have a penchant for research and abstract thinking, bringing in novel ideas, tools, or techniques to improve system performance and reliability \nHelp triage and debug issues found in both production and test environments, contributing to root cause analysis and resolution \nEngage in improving team processes and culture by sharing feedback and contributing to a positive, inclusive work environment \nSupport the growth of fellow engineers through collaboration, pairing, and knowledge sharing\nIdeal Qualifications:\nBS, MS, or PhD in computer science, computer engineering, or related technical field \n2+ years of industry experience writing code to solve complex problems using an object-oriented programming language (e.g. C++, Java, C#) \n1+ years work experience as a Software Engineer working in Python or similar test infrastructure language, and experience measuring performance in compiled languages \nStrong understanding and application of data structures and algorithms. \nDirect experience with testing performance of data warehouses and data analytics engines preferred \nExperience developing on Linux and in large, version-controlled projects \nAbility to speak and write in English fluently \nInterview Requirements: All interviews are conducted via video and require candidates to have their camera on for the duration of the session. The use of video filters, face-altering effects, or virtual backgrounds is not permitted for security and verification purposes.\nWe are not open to using an agency or staffing company at this time. We do not accept unsolicited agency or staffing resumes and we are not responsible for any fees related to unsolicited resumes. \nOcient is an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to race, creed, color, religion, sex (including pregnancy status), sexual orientation, gender identity, national origin or ancestry, ethnicity, citizenship status, age, physical or mental disability, veteran status, marital status, parental status, genetic information, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, please contact  for more information.\nAll official Ocient job postings and recruiting communications will come directly from our team via our Careers page, LinkedIn, or from an ocient.com email address. 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