{"id":3796476,"url":"https://alion.io/job/simis-inc-senior-ms-systems-developer-sme-simis-inc-","title":"Senior M&S Systems Developer (SME) - SimIS Inc.","company":{"id":4513207,"name":"SimIS Inc.","domain":"simisinc.com","url":"https://alion.io/company/simis-inc","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"JazzHR","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Norfolk, 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":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"C++","optional":false},{"name":"CI/CD","optional":false},{"name":"Java","optional":false},{"name":"Python","optional":false},{"name":"STANAG","optional":false}],"status":"live","first_seen_at":"2026-11-05T09:37:32Z","employer_posted_date":"2026-11-05","last_verified_at":"2026-11-12T01:29:54Z","board_verified":true,"closed_at":null,"days_open":6,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":6},"description":"ONSITE\nWho We Are: Founded in 2007, SimIS Inc. is an innovative information technology solution Veteran Owned Small Business (VOSB) that models future environments, requirements, and capabilities, and then secures the enterprise from internal and external threats compliant with Federal, State, and industry standard governance to ensure client mission success. Our performance standard is “excellence,” with an outcomes-based, quality focus in our services and products, guided by our core values of honesty (in word and deed), relationships (confidence and trust with clients and partners), teamwork (shared goals, mission, and purpose), loyalty (allegiance to our client and team), and importance of others (work and win as a team).\nSimIS is currently recruiting for the listed position.\nJob Description:\nSimIS, Inc. is seeking a Senior Software Architect - Modeling & Simulation SME to lead the technical design and development of NATO's Next Generation M&S capability. This critical role combines advanced software architecture expertise with deep knowledge of military simulation systems to create the future of NATO's warfare simulation infrastructure.\nThe successful candidate will architect distributed simulation environments that operate seamlessly from strategic planning down to tactical execution, enabling NATO forces to conduct complex multi-domain operations analysis and training. You will be the technical POC who helps transforms operational requirements into scalable, interoperable systems using cutting-edge distributed computing technologies and industry-standard protocols like DIS and HLA.\nThis position requires a unique blend of technical leadership and domain expertise. You'll design high-level architectures that integrate legacy systems while building next-generation capabilities, ensuring real-time data exchange across global NATO commands. Your work will directly impact NATO's ability to plan, execute, and analyze military operations through advanced simulation technologies.\nThe candidate performs the following specific assignments:\nDesign and implement high-level architecture for NATO's next-generation M&S systems\nLead DIS protocol implementation and ensure compliance with IEEE standards\nArchitect distributed simulation environments supporting multi-location exercises\nDevelop software components for real-time simulation interaction and data exchange\nCreate technical specifications for system interfaces and integration points\nDesign scalable architectures supporting political-to-tactical level simulations\nImplement middleware solutions for simulation interoperability\nLead technical reviews of architecture designs and code implementations\nDevelop APIs for connecting legacy systems (JCTS, JTLS) to new architecture\nOptimize network performance for distributed simulation environments\nDesign data synchronization mechanisms for distributed databases\nCreate architectural patterns for turn-based and real-time simulation modes\nTechnical Architecture Focus:Define enterprise-level M&S architecture standards\nImplement publish-subscribe patterns for distributed event handling\nDesign fault-tolerant systems for mission-critical simulations\nDevelop microservices architecture for modular simulation components\nCreate containerized deployment strategies for cloud and on-premise environments\nMinimum Experience Requirements within the last 5-10 years:At least 5 years developing distributed simulation systems using DIS/HLA protocols\nAt least 3 years designing high-level system architectures for military simulation environments\nProven experience architecting systems that support real-time interaction between multiple simulation nodes\nExperience developing APIs and interfaces for simulation interoperability\nStrong background in performance optimization for large-scale distributed systems\nExperience with both mission-level and campaign-level simulation development\nBS in Computer Science, Software Engineering, Computer Engineering, or related discipline.\n Experience Desired:Experience with NATO STANAG standards for simulation\nKnowledge of military C4ISR systems integration\nFamiliarity with game engines adapted for military simulation\nCloud architecture experience (AWS, Azure)\nDevOps and CI/CD pipeline experience\nPMP or technical architecture certifications\nSpecial Skills/Knowledge/Training Required/Desired:\nStrong analytical and problem-solving skills\nExcellent written and verbal communication abilities\nExpert knowledge of Distributed Interactive Simulation (DIS) protocol and High Level Architecture (HLA) standards\nProficiency in multiple programming languages (C++, Java, Python)\nExperience with simulation frameworks and middleware\nStrong understanding of network protocols and distributed computing\nDatabase design and data architecture experience\nAbility to manage multiple projects and priorities simultaneously\nStrong attention to detail and technical accuracy\n Benefits:Medical, Dental, and Vision\nShort-Term Disability (at no cost to you) & Long-Term Disability\nLife Insurance\n401(k) Savings Plan\nFlex Spending Accounts\nTuition Assistance Program\nProfessional Development\nPaid Time Off (PTO)\n11 Federal Holidays each year\n SimIS, Inc. is an EOE / M / F / Disability / VET / Drug Free Employer","description_format":"text","description_chars":5264,"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":false,"languages":[]},"benefits":["Life insurance","Professional development"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-11-05T09:37:32Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring 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