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Systems Engineer, Responsible Systems Engineer

Last Updated: 10/06/2026

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Recruiting a Mid-Level Systems Engineer, Responsible Systems Engineer (RSE) for a direct placement opportunity in Huntsville, AL. This on-site role supports Missile Defense System (MDS) architecture, requirements, interfaces, and MBSE using MSOSA (Cameo) and DOORS in support of the Missile Defense Agency. U.S. Citizenship and an active Secret clearance are required.

Location: Huntsville, AL
Work Arrangement: On-Site
Employment Type: Direct Placement
Experience Level: Mid-Level
Citizenship: U.S. Citizenship Required
Clearance: Active Secret Clearance Required

Position Overview

We are recruiting a Systems Engineer, Responsible Systems Engineer (RSE) for a mid-level direct placement opportunity in Huntsville, Alabama. This position supports the Missile Defense Agency (MDA) in System Design and Requirements activities for the Missile Defense System (MDS).

The engineer will join a System Engineering & Integration Team and serve as a Responsible Systems Engineer, leading cross-functional systems engineering teams in the development of system-level technical solutions for MDA. The RSE will help guide the development of system-level architecture, requirements, and interfaces that influence incremental MDS capability.

The engineer will use Model-Based Systems Engineering (MBSE) to evaluate architectural impacts through functional behavior analysis and will develop and coordinate changes to system specifications, including functional, interface, and performance requirements. The position also includes developing and coordinating technical products and supporting internal and MDA stakeholder reviews.

Responsibilities

  • Serve as a Responsible Systems Engineer supporting Missile Defense System design and requirements activities.
  • Lead cross-functional systems engineering teams in the development of system-level technical solutions.
  • Support development of system-level architectures, requirements, and interfaces influencing incremental MDS capability.
  • Apply systems thinking, architecture development, functional decomposition, and requirements allocation to complex system-level challenges.
  • Use Model-Based Systems Engineering approaches to evaluate architectural impacts through functional behavior analysis.
  • Develop and manage performance, functional, and interface requirements using system-modeling tools.
  • Develop and coordinate changes to system specifications, including functional, interface, and performance requirements.
  • Develop and coordinate technical products, including technical briefings and Change Notices (CNs).
  • Capture complex engineering concepts in technical presentations and discussions.
  • Communicate technical concepts, solutions, and engineering approaches to customers and stakeholders.
  • Support internal technical reviews and MDA stakeholder reviews.
  • Work independently and within a small technical team.
  • Coordinate closely with customers and multidisciplinary engineering stakeholders.

Required Qualifications

  • U.S. Citizenship required.
  • Active Secret-level DoD security clearance required.
  • Bachelor’s, Master’s, or PhD in Engineering, Mathematics, Physics, or a related technical discipline.
  • Experience with systems engineering and system requirements development.
  • Strong technical background in systems engineering, including systems thinking, architecture development, functional decomposition, and allocation of requirements.
  • Experience developing and managing performance, functional, and interface requirements using system-modeling tools.
  • Strong prior experience with MSOSA (Cameo) and DOORS.
  • Experience developing and coordinating changes to system specifications, including functional, interface, and performance requirements.
  • Ability to develop and coordinate technical products, including technical briefings and Change Notices.
  • Experience with MDA mission areas, including one or more of the following:
    • Aegis Weapon Systems
    • Ground-based Midcourse Defense (GMD)
    • Glide Phase Intercept (GPI)
    • Hypersonic and Ballistic Tracking Space Sensor (HBTSS)
    • Fire Control
    • C2BMC
    • MDS sensors, including EO/IR/RF
    • Integrated Air and Missile Defense Battle Command System (IBCS)
    • Space-Based Interceptor (SBI)
    • Next-Generation Interceptor (NGI)
    • Overhead Persistent Infrared (OPIR) systems
    • Cruise Missile Defense
    • Air Defense
  • Ability to think critically and capture technical concepts in presentations and discussions.
  • Strong written and verbal communication skills.
  • Strong presentation skills with the ability to convey technical concepts and approaches to customers and stakeholders.
  • Ability to work independently and within a small team environment.
  • Ability to work in close coordination with the customer.

Preferred Qualifications

  • Experience modeling or simulating missile defense applications or similar domains, including air combat, air defense, intercept of ballistic targets, intercept of non-ballistic targets, space vehicles, or sub-orbital mechanics.
  • Knowledge of ballistic and advanced threat systems, including aero-maneuvering, hypersonic, hyper-glide, and countermeasure systems.
  • Modeling and analysis experience with missile defense system elements and technologies.
  • Experience with systems such as Aegis Weapon Systems, GMD, GPI, HBTSS, Fire Control, C2BMC, MDS sensors (EO/IR/RF), kill vehicles, interceptors, countermeasures, Air Defense systems, Cloud Based Command and Control (CBC2), and IBCS.
  • Systems engineering experience with large, complex systems.

About the Opportunity

This direct placement opportunity provides an experienced systems engineer the chance to contribute to system-level architecture, requirements, interfaces, and technical solutions supporting the Missile Defense Agency and Missile Defense System.

The role combines Responsible Systems Engineering, MBSE, architecture development, requirements engineering, functional analysis, and technical leadership. It is particularly well suited for an engineer with strong MSOSA (Cameo) and DOORS experience who understands complex missile defense mission areas and can lead cross-functional engineering efforts.

This position is on-site in Huntsville, Alabama and requires U.S. Citizenship and an active Secret-level DoD security clearance.

To submit your resume for consideration email [email protected] with your resume and position title you would like to discuss

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