Junior System Engineer Jobs in Decatur, AL (NOW HIRING)

PeopleTec is currently seeking a Junior MBSE Engineer (Digital Backbone / Aviation Systems) to support our Huntsville, AL location.

We are supporting the integration, verification, and test of next-generation aviation and mission systems utilizing deterministic Ethernet-based Time-Sensitive Networking (TSN), Digital Backbone (DBB), and Data Distribution System (DDS) architectures within Hardware-in-the-Loop (HWIL), Software-in-the-Loop (SWIL), and digital engineering environments. 

We are seeking an early-career Systems Engineer with a passion for Model-Based Systems Engineering (MBSE), digital engineering, and aviation mission systems. This position provides an opportunity to work alongside systems, software, network, cybersecurity, and avionics engineers supporting the design, modeling, integration, and validation of complex aviation architectures utilizing SysML and modern MBSE methodologies.

The ideal candidate will have experience developing system models, analyzing requirements, and supporting architecture development using tools such as Cameo Systems Modeler and MagicDraw. Candidates should be interested in supporting MOSA-aligned aviation systems and digital backbone modernization initiatives. 

Key Responsibilities: 

• Develop and maintain SysML-based system models supporting aviation mission systems, digital backbone architectures, and system integration activities. 
• Support requirements analysis, requirements decomposition, traceability, verification, and validation activities within MBSE environments. 
• Assist with development of system architectures, operational views, interface definitions, and design artifacts. 
• Support modeling and analysis of TSN, DBB, DDS, and other aviation networking and mission system technologies. 
• Develop Component Design Models (CDMs), System Design Models (SDMs), and architecture artifacts supporting MOSA-aligned system development. 
• Participate in system design reviews, architecture reviews, integration activities, and technical interchange meetings. 
• Collaborate with software, network, cybersecurity, avionics, and test engineering teams to ensure model fidelity and requirements traceability. 
• Support digital engineering initiatives including digital thread, digital twin, and model-based verification approaches. 
• Produce technical documentation, engineering artifacts, presentations, and reports supporting customer and internal engineering activities. 
• Support demonstrations, customer engagements, and system integration events. 

Required Skills/Experience:

• 2-5 years of experience in Systems Engineering, MBSE, Digital Engineering, Aerospace Engineering, or related technical disciplines through professional work, internships, research, or academic projects. 
• Familiarity with SysML and MBSE concepts including requirements modeling, behavior modeling, structural modeling, and traceability. 
• Experience using MBSE tools such as Cameo Systems Modeler, MagicDraw, or similar platforms. 
• Understanding of systems engineering principles and the systems development lifecycle. 
• Strong analytical, problem-solving, written, and verbal communication skills. 
• Ability to work effectively within multidisciplinary engineering teams. 
• Interest in aviation systems, mission systems integration, digital engineering, or model-based development approaches. 
• Familiarity with Git, configuration management, or collaborative engineering environments is desired. 
• Willingness to travel approximately 10%. 
• Must be a U.S. Citizen
• An active DoD Secret clearance is required to perform this work. Candidates are required to have an active Secret clearance upon hire, and the ability to maintain this level of clearance during their employment.

Education Requirements:

• Bachelor's degree in Systems Engineering, Aerospace Engineering, Electrical Engineering, Computer Engineering, Mechanical Engineering, Software Engineering, Computer Science, or related STEM discipline. 

Desired Skills:

• Familiarity with Time-Sensitive Networking (TSN), Digital Backbone (DBB), Data Distribution Service (DDS), or distributed mission system architectures. 
• Experience with Army, DoD, aviation, or mission systems programs. Familiarity with MOSA, FACE, Future Vertical Lift (FVL), Integrated Modular Avionics (IMA), or digital backbone initiatives. 
• Exposure to Component Design Models (CDMs), System Design Models (SDMs), architecture frameworks, or digital engineering governance. 
• Knowledge of avionics standards including DO-178C, DO-254, MIL-STD-1553, ARINC 429, ARINC 653, ARINC 661, or ARINC 664 (AFDX). 
• Experience supporting Hardware-in-the-Loop (HWIL), Software-in-the-Loop (SWIL), System Integration Labs (SIL), or test environments. 
• Programming or scripting experience using Python, MATLAB, or similar languages. 
• Familiarity with digital twins, digital thread concepts, or model-based verification and validation. 
• Experience supporting requirements management tools such as DOORS or Jama. 
• Demonstrated ability to learn new technologies quickly and contribute within complex engineering environments. 

People First. Technology Always.

PeopleTec, Inc. is an employee-owned small business founded in Huntsville, AL that provides exceptional customer support by employing and retaining a highly skilled workforce.

Culture: The name "PeopleTec" was deliberately chosen to remind us of our core value system - our people. Our company's foundation was built on placing our employees and customers first. With an award-winning atmosphere, we have matured into a company that boasts the best and brightest across multiple technical fields.

Career: At PeopleTec, we value your long-term goals. Whether it's through our continuing-education opportunities, our robust training programs, or our "People First" benefits package, PeopleTec truly believes that our best investments are our people.

Come Experience It.

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EEO Statement

PeopleTec, Inc. is an Equal Employment Opportunity employer and provides reasonable accommodation for qualified individuals with disabilities and disabled veterans in its job application procedures. If you have any difficulty using our online system and you need an accommodation due to a disability, you may use the following email address, applicationhelp@peopletec.com and/or phone number (256.319.3800) to contact us about your interest in employment with PeopleTec, Inc.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, genetic information, citizenship, ancestry, marital status, protected veteran status, disability status or any other status protected by federal, state, or local law. PeopleTec, Inc. participates in E-Verify.