{"id":3026896,"url":"https://alion.io/job/kbr-senior-model-based-systems-engineer-mbse","title":"Senior Model-Based Systems Engineer (MBSE)","company":{"id":4344,"name":"KBR","domain":"kbr.com","url":"https://alion.io/company/kbr","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":80,"open_postings":390,"ghost_share":0,"stale_share":0.985,"repost_share":0,"time_to_fill_p50_days":9,"computed_at":"2026-10-29T05:49:05Z"}},"role":"Solutions","role_family":"Solutions","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":["Carlsbad, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":115000,"max":215580,"currency":"USD","period":"year","gross":null,"usd_annual":215580},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Cameo Systems Modeler","optional":false},{"name":"MBSE","optional":false},{"name":"Agile","optional":true},{"name":"DoDAF","optional":true},{"name":"JavaScript","optional":true},{"name":"MATLAB","optional":true},{"name":"Python","optional":true},{"name":"Scikit-learn","optional":true},{"name":"SciPy","optional":true},{"name":"STK","optional":true}],"status":"live","first_seen_at":"2026-08-06T00:00:00Z","employer_posted_date":"2026-08-06","last_verified_at":"2026-10-29T09:22:26Z","board_verified":true,"closed_at":null,"days_open":84,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":84},"description":"Title:\nSenior Model-Based Systems Engineer (MBSE)KBR’s Mission Engineering Division delivers complex technical solutions and expert support to the U.S. Department of War, specializing in modeling and simulation, cyber transformation, air vehicle mission integration, and lifecycle support. As a trusted partner with a proven history in mission technology, KBR collaborates closely with clients to develop innovative and effective solutions. With a strong ethical framework, KBR prioritizes data security, privacy, and responsible information management to ensure mission success.\nOurCarlsbad, CA team isseeking a Mid-Level Model-BasedSystems Engineer (MBSE) to support a classifiedall-domainmission system development program for the Department of War. In this role, you will develop system and mission-level models that inform capability design, integration, and verification across a complex engineering environment. You will collaborate withmulti-disciplinaryengineering teams to perform trade studies, maturearchitectures, andmaintainmodel traceability from requirements to verification activities. Work isconducted onsitein a classified facility,where modeling rigor, analytical depth, and configuration discipline are essential.\nRoles & Responsibilities:\nDevelop descriptivesystem, mission, and architecture models usingSysMLand MBSE best practices.\nIntegrate MBSE tools to perform trade studies, analysis of alternatives (AoA), and system performance assessments.\nEstablish andmaintainfull traceability between requirements, design elements, risks, schedules, andverificationartifacts.\nTrack measures of effectiveness (MOEs) and technical performance measures (TPMs) to inform engineering decisions.\nCollaborate with cross-functional engineering teams to mature system architectures and support design reviews.\nMaintain model baselines, configuration integrity, and quality using collaborative model repositories and version control tools.\nSupport the development ofexecutable models, simulations, and analytical workflows that inform system behavior.\nPrepare and present model products, findings, and technical insights to review boards and stakeholders.\nBasic Qualifications\nClearance & Citizenship: Must be a US Citizen with a currentTS/SCI.An active and transferableU.S. government-issued DODTS/SCI with the ability to obtain Special Access security clearance isrequiredprior to the start date.\nEducation: Bachelor’s degree in engineering, computer science, mathematics, or related technical discipline.\nExperience: Minimum 5 years of experience inModel-BasedSystems Engineering.\n Technical Expertise: Experience with theNoMagic/Cameo suite(Cameo Systems Modeler, Teamwork Cloud, and Cameo Collaborator).ProficiencyinSysML, system modeling methodologies, and object-oriented analysis/design.\nPreferred Qualifications\nFamiliarity with analytical/simulation tools (e.g., MATLAB, STK,Modelica, SciPy/SciKit-Learn) to inform model-driven trade space exploration.\nExperience developing executable system models (e.g., OMG-CSMP certification or equivalent knowledge).\nProgramming experience in Python, Java, or JavaScript for model automation and analysis.\nExperience working in Agile engineering environments supporting Department of War or Intelligence Community (IC) programs.\nExperience with UAF or DoDAF architecture frameworks.\nWork Location: Ability to work full-time in a classified Carlsbad, CA facility.\nAdditional Clearance Note: Active and transferable U.S. government-issued DODTS/SCI with the ability to obtain Special Access security clearance isrequiredprior to start date. U.S. citizenship isrequired.\nScheduled Weekly Hours: 40 hours/week\nBasic Compensation: $115,000-$215,580. The salaryrange postedis based on the national average. The offered rate will be based on the selected candidate’s location, knowledge, skills, abilities, and/or experience, contract affordability, and in consideration of internal parity.\nAdditional Compensation: KBR may offer bonuses, commissions, or other forms of compensation to certain job titles or levels,perinternal policy or contractual designation.Additionalcompensation may be in the form of sign on bonus,relocationbenefits,short termincentives,long termincentives, or discretionary payments for exceptional performance.\nBenefits: KBR offers a selection of competitive lifestyle benefits which could include a 401K plan with company match, medical, dental, vision, life insurance, AD&D, flexible spending account, disability, paid time off, or flexible work schedule. We support career advancement through professional training and development. #LI-KW1\nBelong, Connect and Grow at KBR\nAt KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver - Together.\nKBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.","description_format":"text","description_chars":5374,"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":["401k plan","Flexible schedule","Life insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":true,"industries":["Military Logistics","Space Services","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-10-21T19:18:01Z"}],"visa":[],"liveness":{"score":4,"band":"cold","label":"Long shot","p_open":1,"p_active":0.147,"p_room":0.28,"age_days":84,"expected_fill_days":9,"reasons":["conf:6","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-29T05:49:05Z"},"pay":{"stated_usd_annual":215580,"is_top_pay":true},"html_url":"https://alion.io/job/kbr-senior-model-based-systems-engineer-mbse","json_url":"https://alion.io/job/kbr-senior-model-based-systems-engineer-mbse.json","meta":{"generated_at":"2026-10-29T10:49:46Z","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":16410,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-30T00:00:00Z"}},"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":4344},"rest":"https://alion.io/mcp/rest/get_company?id=4344"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fkbr-senior-model-based-systems-engineer-mbse"},{"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%2Fkbr-senior-model-based-systems-engineer-mbse"},{"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%2Fkbr-senior-model-based-systems-engineer-mbse"},{"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/kbr-senior-model-based-systems-engineer-mbse\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fkbr-senior-model-based-systems-engineer-mbse"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3026896}},{"tool":"search_jobs","arguments":{"company":"kbr.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3026896},"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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