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Defense Contractor Software Engineer Jobs in Maryland

EXPANSIA

E01-C07 Software Engineer

Hollywood, MD

$100K - $180K/yr

The Software Engineer will contribute to the development and sustainment of advanced technology ... IC, or defense contractor programs). * Strong understanding of secure software development ...

EXPANSIA

E01-C07 Software Engineer

Hollywood, MD · On-site

$100K - $180K/yr

The Software Engineer will contribute to the development and sustainment of advanced technology ... IC, or defense contractor programs). * Strong understanding of secure software development ...

EXPANSIA

E01-C07 Software Engineer

Hollywood, MD

$100K - $180K/yr

The Software Engineer will contribute to the development and sustainment of advanced technology ... IC, or defense contractor programs). * Strong understanding of secure software development ...

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Defense Contractor Software Engineer information

What skills and qualifications are needed to thrive as a defense contractor software engineer?

To excel as a Defense Contractor Software Engineer, you should possess strong programming skills in languages like C++, Java, or Python, a bachelor's degree in computer science or engineering, and eligibility for security clearance. Familiarity with tools and frameworks such as embedded systems, real-time operating systems (RTOS), and secure software development methodologies is often required, along with certifications like Security+ or CISSP. Outstanding problem-solving, attention to detail, and the ability to communicate effectively within multidisciplinary teams are valuable soft skills. These capabilities ensure project success, compliance with stringent regulations, and the ability to innovate in high-stakes, mission-critical environments.

What does a defense contractor software engineer do?

As a Defense Contractor Software Engineer, your daily responsibilities may include designing, coding, and testing software for defense systems, debugging complex issues, and ensuring products comply with security and regulatory standards. You'll often collaborate closely with systems engineers, hardware teams, and project managers to deliver integrated solutions. Depending on your project, you might also participate in technical reviews, support integration and testing activities, and maintain thorough documentation. Working within a multidisciplinary team, you will play a key role in delivering reliable and secure technology critical to national defense.

What is a defense contractor software engineer?

A Defense Contractor Software Engineer develops, tests, and maintains software systems for military and defense applications. They work for private companies that contract with government agencies, such as the Department of Defense, to create secure and reliable software solutions. Their work often involves embedded systems, cybersecurity, and compliance with strict government regulations. This role requires a security clearance, knowledge of specialized programming languages, and an understanding of defense industry standards.

What are the most commonly searched types of Defense Contractor Software Engineer jobs in Maryland? The most popular types of Defense Contractor Software Engineer jobs in Maryland are:
What are popular job titles related to Defense Contractor Software Engineer jobs in Maryland? For Defense Contractor Software Engineer jobs in Maryland, the most frequently searched job titles are:
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Defense Contractor Software Engineer jobs near you
Infographic showing various Defense Contractor Software Engineer job openings in Maryland as of July 2026, with employment types broken down into 96% Full Time, and 4% Contract. Highlights an 90% In-person, and 10% Hybrid job distribution.

E01-C07 Software Engineer

EXPANSIA

Hollywood, MD

$100K - $180K/yr

Full-time

Re-posted 10 days ago

Job description

Start Date: Immediate 
JHNA, CTSi, and EXPANSIA have come together to form a Defense Technology platform named Aether Aerospace 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: Hollywood, MD

Our client is seeking a Software Engineer to join our dynamic team in providing cutting-edge technical solutions. The Software Engineer will contribute to the development and sustainment of advanced technology solutions in support of Department of Defense and commercial programs. This role focuses on creating reliable, secure, and innovative software to meet mission objectives, while working closely with multidisciplinary teams in a fast-paced, dynamic environment. Candidates should bring strong technical expertise, problem-solving skills, and the ability to operate within the requirements of a DoD contractor environment. 

The proposed salary range for this position is $100,000 - $180,000. 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. 
RESPONSIBILITIES

  • Consistently delivers high-quality work as an individual contributor. 

  • Mentors junior team members through example and feedback. 

  • Demonstrates ownership mindset, seeing problems through to resolution. 

  • Designing and building systems that are robust, maintainable, and performant. 

  • Working within complex codebases or distributed systems. 

  • Introduces improvements in architecture, build tooling, or development workflows. 

  • Solves open-ended problems with limited guidance. 

  • Balances technical tradeoffs with product and business objectives. 

  • Leads technical discussions and builds consensus. 

  • Produces clear design documentation and effectively aligns stakeholders. 

KEY QUALIFICATIONS

Clearance: Ability to obtain Top Secret clearance  
Years of Experience and Education: Bachelor's or Master's degree in Computer Science, Computer Engineering, or a related field and 7-10 years of embedded software development experience with 3-5 years managing or leading a software development team. 

  • Proficiency in C++, C, Python, and JavaScript/TypeScript 

  • Experience with RTOS environments (VxWorks, QNX, FreeRTOS), Embedded Linux, and deterministic/preemptive scheduling 

  • Hands-on experience with Git and CI/CD tools including Atlassian Bamboo, Jenkins, Bitbucket Pipelines, and GitLab CI 

  • Familiarity with Angular and Qt/QML for UI development 

  • Strong understanding of UDP/TCP protocols, multicast networking, and DDS (Data Distribution Service) 

  • Proven ability to motivate teams, communicate effectively with stakeholders, and manage expectations. 

  • Strong understanding of embedded systems, real-time constraints, and hardware/software integration. 

  • Experience with process improvement and implementing engineering best practices. 

  • Experience managing software projects in classified or restricted environments (e.g., DoD, IC, or defense contractor programs). 

  • Strong understanding of secure software development practices, including handling of classified data and systems. 

  • Working knowledge of DoD software assurance, RMF, STIG compliance, and data labeling requirements. 

  • Prior experience leading teams within SCIF or SAPF facilities. 

Aether Aerospace 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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