> Markdown version of [/jobs/ext/3538206-software-engineer-iii-smpes-sme](https://www.wearedevelopers.com/jobs/ext/3538206-software-engineer-iii-smpes-sme). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer III - SMPES SME - **Company:** Apogee, Inc. - **Location:** Offutt Air Force Base, NE, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Application Layers, Systems Engineering, Confluence, SAP (Applications), Enterprise Software Applications, Information Technology, Enterprise Integration, Operational Systems, Devsecops, Microservices - **Published:** October 2, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9212852/software-engineer-iii-smpes-sme ## About the Role Citizenship: Must be a US citizen Clearance: Must possess an active U.S. Top Secret / Sensitive Compartmented Information (TS/SCI) clearance with explicit eligibility for Special Access Programs (SAP) and Nuclear Command and Control (NC2) Certifications: Education: Bachelor's degree in a STEM discipline (Systems Engineering, Computer Science, Aerospace/Electrical Engineering) Years of Experience: 8+ years of advanced systems engineering experience to include: * Experience as an SMPES SME with deep, hands-on knowledge of its core integrated components, such as the Integrated Strategic Planning & Analysis Network (ISPAN), Nuclear Planning & Execution System (NPES), and Global Adaptive Planning Collaborative Information Environment (GAP CIE). * Extensive background supporting USSTRATCOM mission sets, including strategic deterrence operations, conventional integration, and working alongside J5 operational planners to implement national defense strategies. * Demonstrated proficiency utilizing modern digital engineering architectures, configuration-as-code principles, and requirements tracking platforms (e.g., DOORS, Cameo Systems Modeler, or Confluence). ## Description As a Senior Principal Systems Engineer and Subject Matter Expert (SME), you will serve as the chief technical advisor and architect for the Strategic Mission Planning & Execution System (SMPES) portfolio. In this highly critical role, you will lead the technical coordination, design, integration, and implementation of multi-domain command and control (C2) capabilities. You will operate at the intersection of strategic intent and technical execution, serving as a vital liaison to USSTRATCOM and J5 Plans and Policy to ensure nuclear and conventional integration planning systems., * Technical Coordination & Design Implementation: Manage the end-to-end technical coordination, architectural design, interface integration, and deployment implementation of complex enterprise software and hardware nodes across the SMPES network. * Operational Technology (OT) Integration: Lead the secure integration and convergence of Operational Technology (OT), tactical communications networks, and mission-critical hardware with next-generation cloud and application layers. * Technology Assessment & Modernization: Continuously review, evaluate, and assess emerging technologies (such as containerized microservices, AI/ML analytics, and DevSecOps pipelines) to determine their applicability, scaling capacity, and security readiness for the SMPES ecosystem. * Digital Engineering Integration: Drive the adoption and execution of advanced Digital Engineering practices, leveraging interconnected data models, automated workflows, and robust Model-Based Systems Engineering (MBSE) to replace legacy documentation frameworks. * Strategic Command & J5 Operational Liaison: Serve as the definitive USSTRATCOM and J5 Operations SME. Translate Joint Staff Level I-IV planning requirements, deliberate/adaptive target planning needs, and crisis action response paths into actionable engineering tasks. * Milestone Review Leadership: Author definitive technical baselines and critical government program milestones with Department of War officials.