{"id":4269813,"url":"https://alion.io/job/cesiumastro-senior-software-engineer","title":"Senior Software Engineer","company":{"id":5315,"name":"CesiumAstro","domain":"cesiumastro.com","url":"https://alion.io/company/cesiumastro","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"A","score":85,"open_postings":38,"ghost_share":0,"stale_share":0.605,"repost_share":0,"time_to_fill_p50_days":47,"computed_at":"2026-11-14T05:58:10Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Austin, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Azure DevOps","optional":false},{"name":"C#","optional":false},{"name":"C++","optional":false},{"name":"CI/CD","optional":false},{"name":"Configuration Management","optional":false},{"name":"Confluence","optional":false},{"name":"Git","optional":false},{"name":"Java","optional":false},{"name":"Jira","optional":false},{"name":"Microsoft Office","optional":false},{"name":"Outlook","optional":false},{"name":"Python","optional":false},{"name":"Azure","optional":true}],"status":"live","first_seen_at":"2026-11-13T16:03:17Z","employer_posted_date":"2026-11-13","last_verified_at":"2026-11-14T13:23:22Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"We are looking to add a Senior Software Engineer to our team. In this role you will develop, integrate, and maintain software supporting products and platforms. This role applies established software engineering principles to develop software solutions, optimize application performance, and resolve complex software engineering challenges from concept through integration, verification, and production.\nWorking cross-functionally with software, systems, electrical, hardware, quality, and test engineering teams, this role supports multidisciplinary engineering efforts, contributes to technical investigations, and promotes continuous improvement.\nJOB DUTIES AND RESPONSIBILITIES\nDevelop software applications, software components, libraries, system interfaces, and application features supporting product development.\nConduct software implementation, debugging, code integration, unit testing, software optimization, and feature development activities.\nEvaluate software requirements, interface specifications, architecture documentation, source code, and technical documentation to support implementation.\nDevelop and conduct software verification, validation, debugging, integration, and troubleshooting activities.\nAnalyze software test results, system behavior, performance data, and engineering observations to resolve technical issues.\nRecommend software updates, defect fixes, engineering changes, and corrective actions that improve software quality, reliability, maintainability, and performance.\nCollaborate with software, systems, electrical, hardware, quality, and test engineering teams throughout software development and integration.\nPrepare software documentation, technical reports, engineering change documentation, software release documentation, and interface documentation.\nParticipate in code reviews, design reviews, technical investigations, customer support activities, software integration, and software release initiatives.\nEvaluate software engineering methods, development practices, coding standards, software architectures, and development processes to identify improvement opportunities.\nValidate compliance with engineering standards, company procedures, customer requirements, and software development best practices.\nContribute to continuous improvement initiatives that strengthen software quality, reliability, maintainability, engineering efficiency, and product performance.\nJOB REQUIREMENTS AND MINIMUM QUALIFICATIONS\nBachelor's degree in computer science, software engineering, computer engineering, electrical engineering, or a related technical field with 5-8 years of related experience, or Master's degree with 3-6 years of related experience, or PhD with 0-3 years of related experience in software engineering, application development, embedded software, software architecture, or a related technical discipline.\nStrong knowledge of software engineering principles, software development lifecycles, data structures, algorithms, and object-oriented programming.\nExperience with programming languages, version control systems, integrated development environments, debugging tools, and software optimization techniques.\nKnowledge of software architecture, software design patterns, operating systems, interface development, and application design.\nUnderstanding of software verification, engineering documentation, coding standards, software configuration management, continuous integration, and release management.\nProficiency in system integration, automated build processes, software performance optimization, defect resolution, and software quality practices.\nProficiency with Microsoft Office Suite including Outlook, Word, Excel, PowerPoint, and Teams.\nSoftware development tools, e.g. C, C++, C#, Python, Java, Git, Visual Studio, Eclipse, or equivalent applications.\nEngineering documentation, project management, and collaboration tools, e.g. Jira, Confluence, Azure DevOps, or equivalent 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