AFSIM Developer / Modeler with Security Clearance

Peerless is searching for a highly capable AFSIM Developer / Modeler to support advanced modeling and simulation efforts for Navy and DoD mission needs. This role sits at the center of a growing technical capability footprint, offering the opportunity to work on high-impact, mission-relevant problems within a small, expert team environment. The selected candidate will contribute to model development, validation and verification (V&V), and operational analysis efforts such as trade studies and analyses of alternatives. This position offers the opportunity to shape technical direction and contribute to the growth of advanced modeling capabilities within a high-visibility environment. RequirementsProficiency in Python, C/C++, or similar programming languagesExperience with AFSIM or similar modeling and simulation tools (e.g., STK, NGTS, Suppressor)Strong systems thinking and experience integrating models into larger simulation environmentsAbility to work directly with customers and translate mission needs into technical solutionsTS/SCI clearance or ability to obtain Preferred QualificationsExperience with EMSO, Electronic Warfare (EW), or RF-related modelingBackground in analysis of alternatives (AOAs), design of experiments (DoE), or campaign-level modelingFamiliarity with Nuclear Triad or strategic deterrence modelingExperience with containerized or microservices-based environmentsExposure to AI/ML-enabled analytics or SIGINT-related applications Why PeerlessSmall team, real impact: Your work is visible and directly contributes to mission outcomes, with exposure to company leadershipDirect access: Work closely with leadership and customers without layers of managementTechnical focus: Ongoing investment in mission engineering, modeling & simulation, electronic warfare, and data-driven analysisGrowth opportunity: Help build and expand Peerless' technical presence in the Crane areaFlexibility: Flexible PTO and a practical approach to work-life balance Peerless is a 25-year small business with roots in SETA support that is actively reinvesting to expand into deeper technical capabilities across software, modeling, and mission-focused engineering. This role is a key part of that evolution. Who Thrives HereEngineers who like owning problems end-to-endThose who prefer small, high-performing teams over large organizationsIndividuals who want their work tied to real mission impactProfessionals comfortable working directly with customersCandidates interested in building and shaping capabilities, not just maintaining them