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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.

Requirements

• Proficiency in Python, C/C++, or similar programming languages
• Experience with AFSIM or similar modeling and simulation tools (e.g., STK, NGTS, Suppressor)
• Strong systems thinking and experience integrating models into larger simulation environments
• Ability to work directly with customers and translate mission needs into technical solutions
• TS/SCI clearance or ability to obtain

Preferred Qualifications

• Experience with EMSO, Electronic Warfare (EW), or RF-related modeling
• Background in analysis of alternatives (AOAs), design of experiments (DoE), or campaign-level modeling
• Familiarity with Nuclear Triad or strategic deterrence modeling
• Experience with containerized or microservices-based environments
• Exposure to AI/ML-enabled analytics or SIGINT-related applications

Why Peerless

• Small team, real impact: Your work is visible and directly contributes to mission outcomes, with exposure to company leadership
• Direct access: Work closely with leadership and customers without layers of management
• Technical focus: Ongoing investment in mission engineering, modeling & simulation, electronic warfare, and data-driven analysis
• Growth opportunity: Help build and expand Peerless’ technical presence in the Crane area
• Flexibility: 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 Here

• Engineers who like owning problems end-to-end
• Those who prefer small, high-performing teams over large organizations
• Individuals who want their work tied to real mission impact
• Professionals comfortable working directly with customers
• Candidates interested in building and shaping capabilities, not just maintaining them