{"id":3722194,"url":"https://alion.io/job/rtx-senior-systems-engineer-network-architecture-infrastructure-protection-onsite","title":"Senior Systems Engineer, Network Architecture & Infrastructure Protection (Onsite)","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":532,"ghost_share":0.006,"stale_share":0.695,"repost_share":0.036,"time_to_fill_p50_days":29,"computed_at":"2026-11-11T05:49:22Z"}},"role":"Networking","role_family":"Networking","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":["Richardson, 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":true,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Cameo Systems Modeler","optional":false},{"name":"GCP","optional":false},{"name":"Linux","optional":false},{"name":"MBSE","optional":false},{"name":"Scrum","optional":false},{"name":"SysML","optional":false},{"name":"TCP/IP","optional":false},{"name":"VMWare","optional":false}],"status":"live","first_seen_at":"2026-11-03T00:00:00Z","employer_posted_date":"2026-11-03","last_verified_at":"2026-11-11T09:23:01Z","board_verified":true,"closed_at":null,"days_open":8,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":8},"description":"Date Posted:\n2026-11-03\n\nCountry:\nUnited States of America\n\nLocation:\nUS-TX-RICHARDSON-C17 ~ 1717 Cityline Dr ~ CITYLINE C17\n\nPosition Role Type:\nOnsite\n\nU.S. Citizen, U.S. Person, or Immigration Status Requirements:\nActive and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance\n\nSecurity Clearance Type:\nTop Secret - Current\n\nSecurity Clearance Status:\nActive and existing security clearance required on day 1At 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. Collins 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.\nAre you ready to make a meaningful impact while advancing your systems engineering career?\nAt Collins Aerospace, you’ll help shape the future of aerospace technology by supporting mission-critical systems that strengthen national defense and protect those who serve.\nAs a Senior Systems Engineer within Strategic Defense Solutions (SDS), you will apply your technical expertise to the development of advanced Strategic Nuclear Deterrence capabilities, contributing to the design, integration, and validation of secure, resilient mission systems. In this role, you will collaborate across geographically distributed teams to support systems and cybersecurity engineering efforts for next-generation network, compute, and storage technologies-from early-stage development through accreditation and production.\nThis position offers the opportunity to expand your leadership and technical capabilities while working alongside experienced professionals in communications and nuclear deterrence. We are seeking motivated engineers who thrive in solving complex problems, driving technical execution, and collaborating across disciplines to deliver innovative solutions for critical missions.\nThis position is located onsite in Richardson, TX and requires an active Top Secret clearance.\nWhat YOU Will Do: \nDevelop, analyze and maintain system level requirements related to network infrastructure connectivity and system protection. \nEvaluate network and system architectures against established technical standards to identify vulnerabilities, dependencies, and potential operational risks. \nSupport network hardening and system integrity through the implementation of access controls, traffic filtering and secure communication mechanisms. \nAnalyze network configuration, protocols, system access mechanisms to identify weaknesses and recommend improvements. \nBuilding complicated models using SysML for activity, state, block diagrams, and use cases. \nDevelop and verify test procedures at the system and sub-system levels. \nUtilize VMWare or other cloud platforms (AWS, GCP, Azure, Oracle) in cloud and hybrid environments. \nUtilize JIRA to decompose features into user stories with clear acceptance criteria. \nSupport communication between functional discipline groups within the organization. \nEngage in classified lab environments to apply your expertise hands-on. \nUtilize effective communication skills with all levels of management, program team members, and external stakeholders. \nWhat YOU Will Learn: \nAdvanced aerospace and defense solutions supporting mission-critical military platforms. \nApplication of Model-Based Systems Engineering (MBSE) principles to emerging technologies and complex system architectures. \nHands-on experience with next-generation network, compute, storage, and cloud-based technologies. \nLeadership and operational excellence through Collins Aerospace’s Customer Oriented Results and Excellence (CORE) Operating System. \nQualifications YOU Must Have: \nUnderstanding of network architectures, TCP/IP protocols, routing, switching, and VLANs. \nFamiliarity with network segmentation, access control mechanisms, firewalls, and infrastructure protection techniques. \nProven experience in systems engineering to include capturing customer requirements, operations concept development, deriving and tracing system and sub-system requirements. \nTypically requires a degree in Science, Technology, Engineering or Mathematics (STEM) unless prohibited by local laws/regulations and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience.\nActive and transferable U.S. government DoD issued Top-Secret security clearance prior to start date. \nU.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. \nQualifications We Prefer: \nExperience with Model-Based Systems Engineering (MBSE), including development of SysML models such as activity, state, block diagrams, and use cases using tools like MagicDraw Cameo, Rhapsody, or Enterprise Architect. \nExperience with Linux Operating System. \nFamiliarity with National Institute of Standards and Technology (NIST) standards, Risk Management Framework (RMF) processes, and Defense Information Systems Agency Security Technical Implementation Guides (DISA STIGs). \nAgile experience working as a scrum master, Product Owner (PO), Release Train Engineer (RTE), or other agile leadership roles. \nExperience with processes such as peer review, configuration, and change management. \nParticipating in root cause analysis and corrective actions. \nIdentify, assess, and manage technical risks and opportunities to support program execution, system performance, and successful delivery of mission objectives. \nWhat we offer:\nSome of our competitive benefits packages include: \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 coverage: you can purchase 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 \nRelocation assistance may be provided\n And more! \nLearn More and 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 customers succeed today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today.\n* Please consider the following role type definitions as you apply for this role.\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.\nAt Collins, the paths we pave together lead to limitless possibility. And the bonds we form - with our customers and with each other - propel us all higher, again and again.\nApply now and be part of the team that’s redefining aerospace, every day.\n#MISENG\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":10788,"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","Relocation assistance","Vision insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":true,"industries":["Enterprise Networks","Missiles","Air Defense","Avionics & Flight Control"],"lifecycle":[{"event":"open","at":"2026-11-04T03:06:10Z"}],"visa":[{"country":"US","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"H-1B filings in 12 months: 10 · green card filings: 1","filings_12m":10,"filings_prev_12m":9,"green_card_filings_12m":1,"median_offered_wage_usd":133864,"route":null,"cap_exempt":false,"checked_at":"2026-11-11T07:38:50+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":0}],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":8,"expected_fill_days":29,"reasons":["conf:1","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-11-11T05:49:22Z"},"pay":{"stated_usd_annual":181700,"is_top_pay":true},"html_url":"https://alion.io/job/rtx-senior-systems-engineer-network-architecture-infrastructure-protection-onsite","json_url":"https://alion.io/job/rtx-senior-systems-engineer-network-architecture-infrastructure-protection-onsite.json","meta":{"generated_at":"2026-11-11T10:29:32Z","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":17961,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-12T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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-systems-engineer-network-architecture-infrastructure-protection-onsite"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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-systems-engineer-network-architecture-infrastructure-protection-onsite"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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-systems-engineer-network-architecture-infrastructure-protection-onsite"},{"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-systems-engineer-network-architecture-infrastructure-protection-onsite\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Frtx-senior-systems-engineer-network-architecture-infrastructure-protection-onsite"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3722194}},{"tool":"search_jobs","arguments":{"company":"rtx.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3722194},"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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