{"id":4133810,"url":"https://alion.io/job/motorola-solutions-sr-software-engineer-c-net-core-websockets","title":"Sr. Software Engineer - C#, .NET Core, WebSockets","company":{"id":1504,"name":"Motorola Solutions","domain":"motorolasolutions.com","url":"https://alion.io/company/motorola-solutions","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":85,"open_postings":152,"ghost_share":0.007,"stale_share":0.559,"repost_share":0.02,"time_to_fill_p50_days":40,"computed_at":"2026-11-11T05:49:22Z"}},"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":"explicit","locations":["Allen, United States","Chicago, United States","United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":100000,"max":125000,"currency":"USD","period":"year","gross":null,"usd_annual":125000},"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":true,"relocation_package":true,"has_equity":true,"technologies":[{"name":".NET","optional":false},{"name":"Angular","optional":false},{"name":"Azure","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"Claude","optional":false},{"name":"Copilot","optional":false},{"name":"Docker","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Red Hat","optional":false},{"name":"Rest API","optional":false},{"name":"Socket.IO","optional":false},{"name":"SQL","optional":false},{"name":"WebSockets","optional":false},{"name":"Windows","optional":false},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-11-11T00:00:00Z","employer_posted_date":"2026-11-11","last_verified_at":"2026-11-12T03:18:26Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Company Overview\nAt Motorola Solutions, we believe that everything starts with our people. We’re a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. We build and connect technologies to help protect people, property and places. Our solutions foster the collaboration that’s critical for safer communities, safer schools, safer hospitals, safer businesses, and ultimately, safer nations. Connect with a career that matters, and help us build a safer future.\nDepartment Overview\nBring your talent and skills to Motorola Solutions, as part of the Command Central Software Enterprise. This senior software engineer position will be a member of the team working on Records Management System (RMS) software (enterprise grade software and cloud based solutions) for Public Safety Agencies. These products are required to rise to the challenges of enterprises and governments worldwide enabling first-responders to focus on their mission, allowing them to respond faster with smarter and safer decisions, and help them to maintain their records, collecting their evidences, and integrating with Public Safety eco system.Job Description\nWe are looking for a Sr. Software Engineer with a strong backend background, cloud experience, and database knowledge, who is a fast learner with good communication, analytical, and troubleshooting skills, and has good experience with various software development/verification methodologies.\nThe position requires collaborating across multiple development and automation engineering teams to spearhead cloud-based functional testing, certification processes, and internal tool development. These efforts aim to streamline the scaling of complex, mission-critical public safety software, optimize deployment processes, and minimize go-to-market expenses. Key responsibilities include cross-functional collaboration across diverse time zones, managing concurrent priorities, adapting quickly to evolving technical topics, and effectively delivering on sprint commitments.\n Qualifications:\nBS Degree in Computer Science (or related technical equivalent)\n4+ years of experience with C#, .NET Core, REST, WebSockets & Angular\nAbility to learn and use AI in day-to-day activities such as CoPilot, Claude, etc. for software development\nExperience with the Azure ecosystem, deployment and release pipelines\nExperience in managing cloud-based deployments, databases, and monitoring performance with debugging capabilities\nExperience in using container technologies, virtual systems, and Linux/Red Hat\nExperience with API publishing and certification\nInterested in working in a continuous deployment environment\nStrong background in automated testing toolsets on both traditional and cloud systems with coverage on API, Azure-based Microservices, and OnPrem systems\nStrong working knowledge in understanding complex end-to-end systems with multiple internal and external interfaces, products, and the ability to certify the systems in an automated manner\nGood experience in dealing with the complexities arising from interface incompatibilities and building solutions to quickly identify the breakages\nExperience with software technologies such as Docker, Kubernetes, and Git\nExperience with modern web app verification using HTML5, JavaScript (AngularJS), and the automation of the same\nKnowledge of client- and server-side web app performance scaling techniques\nReal-time application testing using WebSockets, SignalR, or Socket.IO\nExperience certifying systems built using Web (REST) APIs for internal and external usage\nKnowledge of both SQL and NoSQL data stores and familiarity with performing load and stress testing using automated tools. PostgreSQL knowledge is preferred.\nWorking knowledge of Linux and Windows. Red Hat Linux knowledge is preferred.\nWorking experience in identifying and fixing security vulnerabilities and prioritizing security during development.\nStrong problem-solving and troubleshooting skills.\nThis position is subject to working in high-security areas governed by the US Department of Justice's \"Criminal Justice Information Services (CJIS) Security Policy\" and therefore requires successfully passing a more stringent fingerprint background check administered by Motorola Solutions Inc. customers.\nTarget Base Salary Range: $100,000 - $125,000 USD.\nConsistent with Motorola Solutions' values and applicable law, we provide the following information to promote pay transparency and equity. Pay within this range varies and depends on job-related knowledge, skills, and experience. The actual offer will be based on the individual candidate.\nBasic Requirements\nBS Degree in Computer Science (or related technical equivalent)\n4+ years of experience with C#, .NET Core, REST, WCF, Websocket and Angular.\nEmployer work permit sponsorship is not available for this position. Legal authorization to work in the U.S. indefinitely is required.\nMust be able to obtain background clearance as required by government customer\nTravel Requirements\nUnder 10%Relocation Provided\nNonePosition Type\nExperiencedReferral Payment Plan\nYesOur U.S. Benefits include:\nIncentive Bonus Plans\n\nMedical, Dental, Vision benefits\n\n401K with Company Match\n\n10 Paid Holidays\n\nGenerous Paid Time Off Packages\n\nEmployee Stock Purchase Plan\n\nPaid Parental & Family Leave\n\nand more!\n\nEEO Statement\nMotorola Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion or belief, sex, sexual orientation, gender identity, national origin, disability, veteran status or any other legally-protected characteristic.\nWe are proud of our people-first and community-focused culture, empowering every Motorolan to be their most authentic self and to do their best work to deliver on the promise of a safer world. If you’d like to join our team but feel that you don’t quite meet all of the preferred skills, we’d still love to hear why you think you’d be a great addition to our team.\nWe’re committed to providing an inclusive and accessible recruiting experience for candidates with disabilities, or other physical or mental health conditions. 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