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E01-L03 Software Engineer III

Talentwerx.io
United States
Posted April 01, 2026
Full Time

Job Overview

Start Date: Immediate 
JHNA, CTSi, and EXPANSIA have come together to form a Defense Technology platform focused on delivering high-impact technologies, technology-enabled services and advanced manufacturing solutions to the U.S. Department of Defense and related national security customers. Backed by Falfurrias Management Partners, the platform brings together deep domain expertise across Army, Navy, and Air Force and Space Force programs, digital engineering, systems integration, and specialized manufacturing capabilities.  
The combined organization operates as a multi-entity aerospace and defense technology and tech-enabled services and manufacturing enterprise positioned for scalable growth, operational excellence, and long-term value creation. 
 
OVERVIEW 
Full-time/Permanent Employee  
Location: Remote
 
As a Software Engineer III, you will apply your expertise in software development, testing, and debugging to create innovative solutions that meet system requirements and performance expectations. You will conduct research and collaborate with cross-functional teams, including hardware engineers and system designers, to develop and integrate electronic data processing systems for both commercial and product-based applications. Your role will require analyzing user needs and system capabilities to optimize design feasibility within time and cost constraints. You will leverage scientific analysis and mathematical modeling to design and modify software systems while ensuring compliance with industry standards. Working under general direction, you will independently determine and develop solutions to complex technical challenges, contributing to the advancement of software engineering methodologies and best practices. 
 
The proposed salary range for this position is $114,952-$159,705. There are a host of factors that can influence final salary including, but not limited to, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, geographic location, education, and certifications. Our employees value the flexibility EXPANSIA allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our unique mix of benefits options is designed to support and protect employees and their families. Employment benefits include health and wellness programs, income protection, paid leave and retirement and savings. 
Start Date: Immediate 
JHNA, CTSi, and EXPANSIA have come together to form a Defense Technology platform focused on delivering high-impact technologies, technology-enabled services and advanced manufacturing solutions to the U.S. Department of Defense and related national security customers. Backed by Falfurrias Management Partners, the platform brings together deep domain expertise across Army, Navy, and Air Force and Space Force programs, digital engineering, systems integration, and specialized manufacturing capabilities.  
The combined organization operates as a multi-entity aerospace and defense technology and tech-enabled services and manufacturing enterprise positioned for scalable growth, operational excellence, and long-term value creation. 
 
OVERVIEW 
Full-time/Permanent Employee  
Location: Remote
 
As a Software Engineer III, you will apply your expertise in software development, testing, and debugging to create innovative solutions that meet system requirements and performance expectations. You will conduct research and collaborate with cross-functional teams, including hardware engineers and system designers, to develop and integrate electronic data processing systems for both commercial and product-based applications. Your role will require analyzing user needs and system capabilities to optimize design feasibility within time and cost constraints. You will leverage scientific analysis and mathematical modeling to design and modify software systems while ensuring compliance with industry standards. Working under general direction, you will independently determine and develop solutions to complex technical challenges, contributing to the advancement of software engineering methodologies and best practices. 
 
The proposed salary range for this position is $114,952-$159,705. There are a host of factors that can influence final salary including, but not limited to, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, geographic location, education, and certifications. Our employees value the flexibility EXPANSIA allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our unique mix of benefits options is designed to support and protect employees and their families. Employment benefits include health and wellness programs, income protection, paid leave and retirement and savings. 

RESPONSIBILITIES

    • Conduct research and development in software design, testing, and electronic data processing applications 

    • Design, develop, document, test, and debug applications software and systems containing logical and mathematical solutions 

    • Collaborate with multidisciplinary teams to plan, design, and develop software solutions that integrate with electronic data processing systems 

    • Determine computer user needs and analyze system capabilities to resolve programming challenges and optimize software performance 

    • Develop compilers, assemblers, utility programs, and operating systems to support business and product applications 

    • Ensure adherence to software engineering standards, best practices, and compliance requirements 

    • Design and modify software systems using mathematical modeling and scientific analysis to predict outcomes and evaluate feasibility 

    • Coordinate software system installations and monitor functionality to ensure compliance with technical specifications 

    • Work with analysts, engineers, and programmers to define project limitations, system capabilities, and interface requirements 

    • Provide technical support to operational strategies aligned within your program and initiatives that optimize processes, enhance productivity, and ensure quality across all program functions 

    • Ensure 100% of planned hours are worked and recorded 

    • Identify and forward to your leadership any opportunities that could lead to growth within your work area 

    • Participate in growth efforts as requested 

    • Ensure all contractual deliverables are met/exceeded to the customer's satisfaction 

    • Complete personal PDP and attend Staff Meeting and Storytime (with camera on) 

    • Within your program, build productive and positive professional relationships with clients 

    • Execute all contract requirements as assigned in accordance with the contract-specific LCAT and requirements 

    • Perform other related duties as assigned 

KEY QUALIFICATIONS

    Clearance: Active Secret Clearance 
    Education and Years of Experience: Bachelor's degree in a related field with 3 -10 years of experience 

    • Proficiency in designing, developing, testing, and debugging software applications 

    • Strong analytical and problem-solving skills with the ability to evaluate system performance and optimize solutions 

    • Expertise in programming languages such as Python, Java, C++, or similar technologies 

    • Experience with software development methodologies, version control systems, and testing frameworks 

    • Ability to work independently while collaborating effectively with cross-functional teams 

PREFERRED ADDITIONAL QUALIFICATIONS

    • Experience with Agile software development processes and DevOps methodologies 

    • Knowledge of cloud computing, containerization, and microservices architecture 

    • Familiarity with cybersecurity best practices and software security protocols 

    • Proficiency in database management and data analytics tools 

    • Understanding of system integration, performance optimization, and scalability considerations 

EXPANSIA is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic. 

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