Principal Cyber Test Engineer (Onsite)
Confirmed on the employer's own hiring board on Oct 15, 2026. First seen by Alion on Oct 1, 2026. Nightwing scores B on the Alion truth index.
Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in the intelligence community, defense, civil, and commercial markets.
CODEX Overview
CODEX (Cyber Offense and Defense Experts) division brings together an elite team of mission-focused industry experts who are well known for their ability to overcome the most advanced technical challenges. The team comprises engineers of multiple disciplines including vulnerability research, reverse engineering, CNO/CNE development, hardware emulation, system engineering, and data analytics. Our engineers do more than just work with cutting-edge technology-they ensure the missions succeed for the customers! CODEX offices span the nation and offer its engineers the ability to advance their careers through mentorship, training, and an expansive technical portfolio that covers every side of cyber. If you want to be part of a collaborative team that supports challenging, meaningful work that is vital to our national security, apply today!
Senior Cyber Test Engineer
CODEX is seeking a cyber test engineer for a high-visibility CNO development team. In this role, you will make a direct positive impact on the customer’s needs and mission. You will be accountable for verifying the consistency and quality of our products and be actively involved throughout the entire development process. You will engage with internal and customer stakeholders to derive system requirements and react to mission needs. You will develop a deep understanding of the tools, systems, and frameworks used by the customer, and how to effectively integrate them with various technologies to build a real-world test environment and create a test plan. You will utilize your technical skills to build and maintain custom test frameworks and generate thorough documentation. Competitive candidates have excellent communication skills, strong attention to detail, and are mission focused. A technical background in networking and familiarity with Agile methodologies is preferred.
Required Qualifications
- TS/SCI with CI Poly Clearance is required
- Technical leadership experience in leading small teams
- 5 years test engineering or related experience
- 5 years experience with offensive cyber operations
- 3 year of experience developing in Python, Bash, or similar scripting language
- 3 year of experience working on Linux/Unix systems
- Basic knowledge of TCP/IP networking, architecture, and core technologies (such as DNS, DHCP, HTTP, Routing, VPN)
- Excellent communication, collaboration, analytical, and problem-solving
- skills
- Ability to interface with customers, end-users, technical leads, and program management
Desired Qualifications
- Experience building test automation frameworks
- Experience designing, writing, reviewing, and executing test plans, procedures, reports, and other technical documentation
- Familiarity with Agile mindset and methodologies
- Ability to think abstractly and drive toward defined requirements and testing strategies
- Experience using virtualization technologies such as Docker
Education Requirements
Requires a degree in a technical discipline
Not Relocation Eligible
Employee Referral Award Eligibility: This requisition is eligible for an employee referral award. ALL eligibility requirements must be met to receive the referral award.
What We Offer: Whether you’re just starting out on your career journey or are an experienced professional, we offer a robust total rewards package with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs. Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care.
Previously part of a leading Fortune 100 company and headquartered in Dulles, VA; Nightwing became independent in 2024 but continues to support the nation’s most mission impactful initiatives.
When we formed Nightwing, we brought a deep set of credentials and an unfaltering commitment to the mission. For over four decades, our team has been providing some of the world’s most technically advanced full-spectrum cyber, data operations, systems integration and intelligence support services to the U.S. government on its most important missions.
At Nightwing, we value collaboration and teamwork. You’ll have the opportunity to work alongside talented individuals who are passionate about what they do. Together, we’ll leverage our collective expertise to drive innovation, solve complex problems, and deliver exceptional results for our clients.
Thank you for considering joining us as we embark on this new journey and shape the future of cybersecurity and intelligence together as part of the Nightwing team.
Salary & Benefits
The salary associated with this position ($99,000-$206,000) is commensurate with the selected candidate’s qualifications, years of relevant experience, and demonstrated level of expertise. Compensation will be determined based on these factors to ensure alignment with skills, responsibilities, and market standards.Nightwing offers medical, vision and dental insurance coverage in addition to a 401k plan, PTO, Holidays, and additional insurances.
Nightwing is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.