{"id":3383562,"url":"https://alion.io/job/rtx-senior-software-engineer-front-end-developer","title":"Senior Software Engineer – Front-end Developer","company":{"id":1162,"name":"RTX","domain":"rtx.com","url":"https://alion.io/company/raytheon-technologies","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":82,"open_postings":458,"ghost_share":0,"stale_share":0.721,"repost_share":0.02,"time_to_fill_p50_days":26,"computed_at":"2026-10-30T05:48:23Z"}},"role":"Frontend","role_family":"Frontend","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":["San Jose, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":95500,"max":181700,"currency":"USD","period":"year","gross":null,"usd_annual":181700},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Angular","optional":false},{"name":"Apache Kafka","optional":false},{"name":"Bash","optional":false},{"name":"BGP","optional":false},{"name":"C++","optional":false},{"name":"CMake","optional":false},{"name":"Configuration Management","optional":false},{"name":"Git","optional":false},{"name":"InfluxDB","optional":false},{"name":"JavaScript","optional":false},{"name":"Linux","optional":false},{"name":"Neo4j","optional":false},{"name":"OSPF","optional":false},{"name":"Perl","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"RabbitMQ","optional":false},{"name":"Rest API","optional":false},{"name":"Scrum","optional":false},{"name":"TCP/IP","optional":false},{"name":"TypeScript","optional":false}],"status":"live","first_seen_at":"2026-10-27T00:00:00Z","employer_posted_date":"2026-10-27","last_verified_at":"2026-10-30T07:11:40Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Date Posted:\n2026-10-27\n\nCountry:\nUnited States of America\n\nLocation:\nUS-CA-SAN JOSE-826 ~ 200 Holger Way ~ BLDG 826\n\nPosition Role Type:\nOnsite\n\nU.S. Citizen, U.S. Person, or Immigration Status Requirements:\nThe ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance\n\nSecurity Clearance Type:\nTS/SCI with Polygraph\n\nSecurity Clearance Status:\nActive and existing security clearance required after day 1Raytheon Company managed by Collins Aerospace\nAt RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.\nCollins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.\nApplied Signal Technology (AST) is seeking a Senior Software Engineer with specialization in front-end development who strives for excellence and has passion to be part of a team that strengthens our nation and improves the security of our world.\nAST provides trusted strategic and tactical SIGINT solutions that secure the interests of the U.S. and its partners. AST’s work in areas such as high-capacity broadband communications, signal processing and analysis, tactical SIGINT, and wireless communications continually challenge our extraordinary engineers to resolve problems and make the world a safer place. AST’s work environment is passionate, highly collaborative and provides engineers with the freedom to strengthen and expand their skills, explore new and creative ideas, and work closely with our nation’s finest service members all while embracing integrity, innovation, and work-life balance.\nThis is an ONSITE position at the San Jose, CA location.\nTo learn more about AST, please click the link below.\nApplied Signal Technology: WHO WE ARE\nWhat You Will Do:\nApply your front-end development expertise to help create complex, innovative, and mission-critical signals intelligence solutions. Key responsibilities include:\nContribute to the requirements definition, design, development, and testing of software, including new features and enhancements to existing applications and systems.\nCollaborate closely with project managers, engineers, and cross-functional teams to deliver high-quality software capabilities.\nFollow established development practices and processes to ensure proper configuration management and maintainability of software products.\nSupport the continual improvement of the software development environment, including DevOps practices, tools, and workflows within Engineering.\nTravel up to 25% to domestically to other AST sites and customer locations.\nQualifications You Must Have:\nTypically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience.\nExtensive experience developing in modern programming languages such as Python, Java, or C++ within a Linux environment.\nStrong experience building complex web applications using the Angular framework and related technologies (TypeScript, JavaScript, DevExtreme, Cytoscape, Leaflet, etc.).\nWorking knowledge and proficiency in integrating with back-end server-side technologies, including application servers and databases such as Neo4j, PostgreSQL, and InfluxDB, as well as RESTful or similar web services.\nProficiency with common data formats such as JSON and XML.\nAbility to obtain and maintain a U.S. government issued Top Secret SCI (TS/SCI) security clearance. \nU.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.\nQualifications We Prefer:\nExperience with microservices architecture, distributed systems, containerized deployments, and modern cloud technologies.\nExperience with RESTful APIs, messaging technologies such as Kafka or RabbitMQ, and event-driven architectures.\nExperience with Agile/Scrum methodologies, DevOps practices, and test automation frameworks or tools.\nProficiency with one or more scripting languages (Python, JavaScript, Bash, Perl, etc.).\nExperience using configuration management and defect-tracking tools (e.g., Git, JIRA).\nExperience maintaining and working with complex build processes (e.g., Makefiles, CMake).\nWorking knowledge of telecommunications systems concepts, computer network models, and protocol suites such as OSI, SS7, TCP/IP, and UMTS, including routing protocols (EIGRP, IS-IS, OSPF, BGP).\nFamiliarity with telecommunications network infrastructure (routers, switches, etc.) and with network reconnaissance tools and techniques.\nActive and transferable U.S. government issued Top Secret SCI (TS/SCI) security clearance with Poly.\nWhat We Offer\nMedical, dental, and vision insurance \nThree weeks of vacation for newly hired employees \nGenerous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option \nTuition reimbursement program \nStudent Loan Repayment Program \nLife insurance and disability coverage \nOptional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection \nBirth, adoption, parental leave benefits \nOvia Health, fertility, and family planning \nAdoption Assistance \nAutism Benefit \nEmployee Assistance Plan, including up to 10 free counseling sessions \nHealthy You Incentives, wellness rewards program \nDoctor on Demand, virtual doctor visits \nBright Horizons, child and elder care services \nTeladoc Medical Experts, second opinion program \n Eligible for relocation\nAnd More!\nLearn More & Apply Now!\nDo you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions - whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you’ll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today. \n\nPlease ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as:\nOnsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.\nAs part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.\nThe salary range for this role is 95,500 USD - 181,700 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.\nPrivacy Policy and Terms:\nClick on this link to read the Policy and Terms","description_format":"text","description_chars":9667,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Flexible schedule","Life insurance","Parental leave","Vision insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":true,"industries":["Missiles","Air Defense","Defense Manufacturing","Avionics & Flight Control"],"lifecycle":[{"event":"open","at":"2026-10-28T06:22:23Z"}],"visa":[],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":3,"expected_fill_days":26,"reasons":["conf:1","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-10-30T05:48:23Z"},"pay":{"stated_usd_annual":181700,"is_top_pay":true},"html_url":"https://alion.io/job/rtx-senior-software-engineer-front-end-developer","json_url":"https://alion.io/job/rtx-senior-software-engineer-front-end-developer.json","meta":{"generated_at":"2026-10-30T07:49:17Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":10959,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-31T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":1162},"rest":"https://alion.io/mcp/rest/get_company?id=1162"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Frtx-senior-software-engineer-front-end-developer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Frtx-senior-software-engineer-front-end-developer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Frtx-senior-software-engineer-front-end-developer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/rtx-senior-software-engineer-front-end-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Frtx-senior-software-engineer-front-end-developer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3383562}},{"tool":"search_jobs","arguments":{"company":"rtx.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3383562},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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