Senior S3 Lead - Software, Simulation & Space Systems

Lockheed Martin; Littleton (CO); On-site; USD 145,000 - 270,000; Full time

Benefits offered by this job

Medical benefits

Flexible work arrangements

401(k) match

Paid time off

Job summary

Lockheed Martin Space is seeking a System Performance, SW, and Simulation Lead to head the S3 group across software, test beds, mission-performance analysis, and modeling & simulation. Lead six teams and ensure delivery of qualified software meeting mission requirements on schedule and budget.

The role spans multiple lifecycle phases, aligning priorities with enterprise timelines and providing strategic technical assessments, capability roadmaps, and close customer partnership to define

Qualifications

• Significant software and systems engineering experience in at least one of the domains listed under Basic Qualifications.
• Experience participating in software qualification campaigns (unit, integration, and system-level testing).
• Prior technical team leadership experience.
• Current Top Secret clearance; US Citizenship required.

Responsibilities

• Integration & Release Leadership – Define and enforce an integration plan that ensures each increment is release-ready across the S3 domain. Drive alignment of FSW, GNC, and M&S deliverables within each sprint and ISP cycle.
• Technical Architecture & Road-Mapping – Develop and maintain the technical architecture and capability roadmap for S3, aligning mission-level requirements with software, algorithm, and simulation capabilities.
• FSW, GNC & M&S Expertise – Provide hands-on guidance on flight-software development, guidance-navigation-control algorithm implementation, and high-fidelity modelling-and-simulation; review code, simulation models, and verification plans.
• End-to-End Verification & Validation – Drive the teams from design through V&V lifecycle for software and simulation artifacts; ensure releases meet performance and reliability criteria.
• Technical Trade Studies & Risk Mitigation – Conduct trades and feasibility studies for new capabilities; assess risk and propose mitigation strategies.
• Cross-Discipline Communication – Serve as primary technical liaison among software, algorithm, simulation, and mission-performance teams; translate constraints into ISP goals.
• Customer & Stakeholder Interface – Present technical status, trade results, and release plans to internal and external customers.
• Act as IPT technical lead; participate in contract execution, proposal support, and new-business shaping where technical insight is required.

Skills

Flight-software (FSW) development

Guidance, Navigation & Control (GNC)

High-fidelity 6DOF modelling & sim

Terran Orbital Architecture

Software qualification campaigns

Technical team leadership

Top Secret clearance

US Citizenship

Agile development

Real-time embedded systems

Verification & Validation

Cost, schedule, technical authority

SAP access

Customer-facing technical roles

AI prompting

Tools

Terran Orbital Architecture

Job description

Lockheed Martin Space is seeking a System Performance, SW, and Simulation Lead to head the S3 group across software, test beds, mission-performance analysis, and modeling & simulation. Lead six teams and ensure delivery of qualified software meeting mission requirements on schedule and budget.

The role spans multiple lifecycle phases, aligning priorities with enterprise timelines and providing strategic technical assessments, capability roadmaps, and close customer partnership to define