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Defense Software Engineer Jobs in Virginia (NOW HIRING)

Overview VTG is seeking a Software Engineer to support our Defense customer in Reston, VA . Our Software Engineers are at the forefront of defense technology, crafting high-impact, cutting-edge ...

About Agile Defense At Agile Defense we know that action defines the outcome and new challenges ... Software Engineer - Senior Location: Hybrid - Arlington Va Required Certification(s): Agile Scrum ...

About Agile Defense At Agile Defense we know that action defines the outcome and new challenges ... Software Engineer - Senior Location: Hybrid - Arlington Va Required Certification(s): Agile Scrum ...

About Agile Defense At Agile Defense we know that action defines the outcome and new challenges ... Software Engineer - Senior Location: Hybrid - Arlington Va Required Certification(s): Agile Scrum ...

Sr. Imagery Software Engineer

Mclean, VA · Remote

$125.70K - $165.70K/yr

Sr. Imagery Software Engineer Step into a high-impact Sr. Imagery Software Engineer opportunity with a confidential client, where you will help drive meaningful results across Aerospace / Defense.

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Defense Software Engineer information

What is a Defense Software Engineer job?

A Defense Software Engineer develops, tests, and maintains software for military and defense applications. They work on secure, mission-critical systems such as weapons control, cybersecurity, and communication networks. Their role requires proficiency in programming languages, security protocols, and compliance with defense standards. Due to the nature of the industry, security clearances and adherence to classified information policies are often required.

What are the key skills and qualifications needed to thrive in the Defense Software Engineer position, and why are they important?

To thrive as a Defense Software Engineer, you need expertise in software development, a strong grasp of cybersecurity principles, and familiarity with defense industry standards, typically demonstrated by a degree in computer science, engineering, or a related field. Experience with programming languages such as C++, Java, or Python, knowledge of real-time operating systems, and certifications like Security+ or CISSP are often required. Attention to detail, problem-solving abilities, and the capacity to work collaboratively in multidisciplinary teams are valuable soft skills. These competencies ensure that complex, secure, and mission-critical software solutions are effectively developed and maintained to meet stringent defense requirements.

What types of projects and technologies do Defense Software Engineers typically work on?

Defense Software Engineers often work on projects involving the development and maintenance of software for military systems, such as radar, communications, simulation, or weapons control platforms. They frequently use technologies like embedded systems, secure coding practices, and specialized hardware interfaces. Project work can range from upgrading legacy systems to designing cutting-edge capabilities, often requiring adherence to rigorous security and compliance protocols. Collaboration with systems engineers, hardware teams, and government stakeholders is typical, offering a dynamic and mission-driven work environment. This exposure helps engineers build specialized expertise while contributing directly to national security initiatives.
What job categories do people searching Defense Software Engineer jobs in Virginia look for? The top searched job categories for Defense Software Engineer jobs in Virginia are:
What cities in Virginia are hiring for Defense Software Engineer jobs? Cities in Virginia with the most Defense Software Engineer job openings:
Infographic showing various Defense Software Engineer job openings in Virginia as of May 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.
CNO Software Developer with C and Python

CNO Software Developer with C and Python

Cymertek

Chantilly, VA • On-site

Other

Medical, Dental, Vision, Life, Retirement, PTO

This job post has expired today. Applications are no longer accepted.


Job description

CNO Software Developer with C and Python
LOCATION
Chantilly, VA 20151
CLEARANCE
TS/SCI Full Poly (Please note this position requires full U.S. Citizenship)
KEY SUMMARY
We are looking for a talented CNO (Computer Network Operations) Software Developer with expertise in C and Python to join our team. In this role, you will develop and maintain software solutions that support critical network operations, ensuring the performance, security, and efficiency of our systems. The ideal candidate will have strong problem-solving skills and a passion for working on complex, mission-critical projects. You will collaborate closely with cross-functional teams to design, implement, and test software solutions that meet the unique needs of our network infrastructure. If you are excited about working in a fast-paced, dynamic environment and tackling challenging technical problems, we encourage you to apply and become part of our innovative team.
*** Please note that our job openings are dynamic and can open or close quickly (much faster than we can publish). If you do not see an opening you are looking for, know that we see almost all types of positons. We strive to keep our listings up to date, but please consider submitting your current resume. Our team will work with you to identify the most recent opportunities that align with your skillset and career goals. We look forward to you joining our family. ***
SIMILAR CAREER TITLES
CNO Software Engineer, Network Security Software Developer, Network Operations Engineer, Cybersecurity Software Developer, C and Python Software Engineer, Systems Software Developer, Embedded Software Engineer, Security Systems Developer, Network Infrastructure Developer, Cyber Defense Software Engineer, etc.
DEGREE (Level Desired)
Bachelor's Degree
DEGREE (Focus)
Computer Science, Cybersecurity, Network Engineering, Software Engineering, Information Technology, Computer Engineering, Electrical Engineering, Applied Mathematics, Information Systems, Data Science, Telecommunications, etc.
ALTERNATE EXPERIENCE
General comment on degrees: Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some contracts give 4-5 years experience credit for a Bachelor's Degree. Some contracts give 2 years experience credit for a Master's Degree. We will work with you to find the right fit.
POSITION RESPONSIBILITIES
  • Develop custom software solutions for CNO operations
  • Design and implement low-level system code
  • Write efficient and secure Python scripts for automation
  • Analyze and debug software vulnerabilities
  • Collaborate with teams to meet operational objectives
  • Document technical processes and solutions
REQUIRED SKILLS
  • Proficiency in C programming
  • Proficiency in Python programming
  • Understanding of reverse engineering techniques
  • Knowledge of network protocols and packet analysis
  • Experience with debugging and disassemblers (e.g., GDB, IDA Pro)
  • Familiarity with secure coding practices
DESIRED SKILLS
  • Familiarity with assembly language
  • Knowledge of kernel-level programming
  • Experience with exploit development
  • Understanding of cryptographic algorithms and protocols
  • Familiarity with embedded systems development
  • Ability to perform memory analysis and forensics
PLUG IN to CYMERTEK - And design your future...
YOUR FOREVER CAREER STARTS HERE
Are you looking for more than just a job? Join a company where employees are treated like family, and your career is built to last. We are a growing small business and a trusted federal contractor offering full scope consulting services in information technology, cybersecurity, and analyst workforce development.
At our company, you come first. We're committed to creating an environment where you'll thrive professionally and personally. We provide meaningful, challenging work using cutting-edge technologies while investing in your growth and success. With direct access to company leadership, a laid-back and inclusive atmosphere, and exceptional work-life balance, you'll feel valued every day.
We also believe in taking care of our family - both yours and ours. Our benefits are phenomenal, family-friendly, and designed with your well-being in mind. From employee and family events to career-long support, we create a community you'll never want to leave.
Ready to make your next move the best one? Join us and experience the difference.
BENEFITS
  • Excellent Salaries
  • Flexible Work Schedule
  • Cafeteria Style Benefits
  • 10% - 401k Matching (Vested Immediately)
  • Additional 401k Profit Sharing
  • 30 days Paid Leave/Holiday (No Use or Lose!)
  • The day off for your birthday
  • Medical/Dental/Vision - 100% employee coverage. ($1200 allowance - or a bonus)
  • HSA/FSA
  • AFLAC
  • Long Term/Short Term Disability - 100% employee coverage. No cost to you.
  • Life Insurance - 100% employee coverage. No cost to you.
  • Additional Discretionary Life Insurance
  • Paid Training
  • No long, wordy reviews with tons of paperwork!!!
  • Referral bonus program with recurring annual payments

HOW TO APPLY
Email us at jobs@cymertek.com or apply today: www.cymertek.com
Want to see what our employees think? Click here .
EQUAL OPPORTUNITY EMPLOYER STATEMENT
Cymertek is proud to be an Equal Opportunity Employer committed to fostering an inclusive and diverse workplace. We embrace and celebrate differences in our employees, recognizing that a diverse workforce enhances our creativity, innovation, and overall success. At Cymertek, employment decisions are made based on merit, qualifications, and business needs without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other characteristic protected by applicable laws. We believe in creating an environment where all individuals are treated with respect and dignity, and where opportunities for professional growth and advancement are accessible to everyone, regardless of background or identity.