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Cyber Security Project Engineer (Penetration Tester) with Security Clearance
Ardent PrinciplesHerndon, VA🇺🇸United StatesPosted 14 Jul 2026
Quick Overview
Work Type
On Site
Schedule
Employee
Level
Mid Senior
Job Description
Careers at Cyber Security Project Engineer (Penetration Tester) REQUIRED: Active TS/SCI with Full Scope Polygraph
LOCATION: Full-time, onsite in Herndon, VA We are hiring a Cyber Security Engineer (Penetration Tester) with proven experience applying attack methods, exploitation techniques, and advanced network analysis to evaluate enterprise‑level systems. In this role, you’ll design and test security architectures, analyze network configurations, leverage industry‑standard tools, and translate findings into clear risk‑management and threat‑mitigation plans. Who We Are:
Ardent Principles delivers cutting‑edge capabilities across data science, data engineering, software engineering, AI solutions, cybersecurity, and IT program management. We thrive at the intersection of mission, technology, and innovation. Passionate Integrity, Driven by Excellence
At Ardent Principles, we don’t just offer jobs—we build careers rooted in purpose. Our competitive salary ranges and industry‑leading benefits are designed to support long‑term stability, growth, and overall well‑being. We’re committed to creating an environment where talented people can do their best work and feel valued while doing it. Join us as we continue building the future of secure, high‑impact solutions. Department
Data Analysis and Technology Services
Employment Type
Full Time
Location
Herndon, VA
Workplace type
Onsite Key Responsibilities In this challenging yet rewarding role, you are an integral part of what brings our Company's mission to life. You must have the following required skills, certifications and demonstrated experience in and/or with: * Work experience in cyber security or related IT field * Cyber penetration testing * Applying computer attack methods and system exploitation techniques * Working knowledge of cyber security principles for Linux, Windows, and virtual platforms * Designing, testing, or implementing IT security architecture * Performing network security analysis * Analyzing network architectures * Using network management tools * Leveraging adversarial tactics to conduct hands-on security testing * Developing risk management methodologies * Analyzing test results to develop risk and threat mitigation plans * Testing or reviewing system configuration, development, and design specifically around enterprise systems and hypervisors * Designing, testing, or implementing complex Windows installations Highly Desired Qualifications Other skills and demonstrated experiences that are highly desired but not mandatory to perform the work, include: * Participating in public and private information security groups and organizations * Communicating vulnerability results and risk posture to senior executives * Researching, evaluating, and developing security policies and guidance * Performing complex technical tasks with minimal direction * Bachelor's degree in Computer Science, Information Systems, Engineering, or other related scientific or technical discipline * Certified Ethical Hacker (CEH) * Offensive Security Certified Professional (OSCP) * Global Information Assurance Certification Penetration Tester (GPEN) What We Offer You * Highly Competitive Salary: Recognizing and rewarding your expertise and contributions. * Generous Paid Time Off: Providing ample time for rest, relaxation, and personal pursuits. * Dedicated Training Budget: Supporting continuous learning and professional development. * 100% Employer-Covered Family Vision, Dental, and Health Insurance: Ensuring comprehensive health coverage for you and your family. * 100% Employer-Covered Life and Disability Insurance: Offering financial security and peace of mind. * 401(k) Plan with a 6% Employer Match: Helping you plan and save for a secure retirement, with 100% vesting from day one. * 11 Paid Government Holidays: Observing national holidays to ensure time off with family and friends. * Spot Bonuses for Exceptional Performance: Rewarding outstanding contributions and achievements. SCHEDULE: This is a full-time position with consultants expected to be available and working onsite in Herndon, VA during core hours. Ready to take the next step in your career? Join us and be part of a team dedicated to driving positive change through technology. Apply now with our easy 3-minute, mobile-friendly initial application process. Your future starts here! About Ardent Principles, Inc. At Ardent Principles, we're more than just a technology company - we're a team of innovators, problem-solvers, and collaborators dedicated to pushing the boundaries of what's possible. Our mission is to empower organizations with transformative IT solutions and program management services, while our values of integrity, excellence, and teamwork guide everything we do. We foster a culture of open communication, where every voice is heard, and every idea is valued. Join us and be part of a company where your contributions truly make a difference. Apply Now Our Hiring Process Stage 2:
Phone Screen Stage 3:
Client Review Stage 4:
Offer Stage 5:
Hired Stage 1:
Application Review Stage 2:
Phone Screen Stage 3:
Client Review Stage 4:
Offer Stage 5:
Hired Stage 1:
Application Review Stage 2:
Phone Screen Stage 3:
Client Review Stage 4:
Offer Stage 5:
Hired * 1
* 2 Find out more Not quite right? Register your interest to be notified of any roles that come along that meet your criteria. Register Your Interest Apply Now Department
Data Analysis and Technology Services
Employment Type
Full Time
Location
Herndon, VA
Workplace type
Onsite View all opportunities at Ardent Principles, Inc. Apply Now Ardent Principles, Inc. Privacy Policy Cookies Powered by Cookies We use cookies to ensure you get the best experience on our website. Accept allReject all Settings Cookie preferences We use cookies to ensure the basic functionalities of the website and to enhance your online experience. You can choose for each category to opt-in/out whenever you want. For more details relative to cookies and other sensitive data, please read the full privacy policy. Strictly necessary cookiesStrictly necessary cookies These cookies are essential for the proper functioning of our website. Without these cookies, the website may not work properly.
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LOCATION: Full-time, onsite in Herndon, VA We are hiring a Cyber Security Engineer (Penetration Tester) with proven experience applying attack methods, exploitation techniques, and advanced network analysis to evaluate enterprise‑level systems. In this role, you’ll design and test security architectures, analyze network configurations, leverage industry‑standard tools, and translate findings into clear risk‑management and threat‑mitigation plans. Who We Are:
Ardent Principles delivers cutting‑edge capabilities across data science, data engineering, software engineering, AI solutions, cybersecurity, and IT program management. We thrive at the intersection of mission, technology, and innovation. Passionate Integrity, Driven by Excellence
At Ardent Principles, we don’t just offer jobs—we build careers rooted in purpose. Our competitive salary ranges and industry‑leading benefits are designed to support long‑term stability, growth, and overall well‑being. We’re committed to creating an environment where talented people can do their best work and feel valued while doing it. Join us as we continue building the future of secure, high‑impact solutions. Department
Data Analysis and Technology Services
Employment Type
Full Time
Location
Herndon, VA
Workplace type
Onsite Key Responsibilities In this challenging yet rewarding role, you are an integral part of what brings our Company's mission to life. You must have the following required skills, certifications and demonstrated experience in and/or with: * Work experience in cyber security or related IT field * Cyber penetration testing * Applying computer attack methods and system exploitation techniques * Working knowledge of cyber security principles for Linux, Windows, and virtual platforms * Designing, testing, or implementing IT security architecture * Performing network security analysis * Analyzing network architectures * Using network management tools * Leveraging adversarial tactics to conduct hands-on security testing * Developing risk management methodologies * Analyzing test results to develop risk and threat mitigation plans * Testing or reviewing system configuration, development, and design specifically around enterprise systems and hypervisors * Designing, testing, or implementing complex Windows installations Highly Desired Qualifications Other skills and demonstrated experiences that are highly desired but not mandatory to perform the work, include: * Participating in public and private information security groups and organizations * Communicating vulnerability results and risk posture to senior executives * Researching, evaluating, and developing security policies and guidance * Performing complex technical tasks with minimal direction * Bachelor's degree in Computer Science, Information Systems, Engineering, or other related scientific or technical discipline * Certified Ethical Hacker (CEH) * Offensive Security Certified Professional (OSCP) * Global Information Assurance Certification Penetration Tester (GPEN) What We Offer You * Highly Competitive Salary: Recognizing and rewarding your expertise and contributions. * Generous Paid Time Off: Providing ample time for rest, relaxation, and personal pursuits. * Dedicated Training Budget: Supporting continuous learning and professional development. * 100% Employer-Covered Family Vision, Dental, and Health Insurance: Ensuring comprehensive health coverage for you and your family. * 100% Employer-Covered Life and Disability Insurance: Offering financial security and peace of mind. * 401(k) Plan with a 6% Employer Match: Helping you plan and save for a secure retirement, with 100% vesting from day one. * 11 Paid Government Holidays: Observing national holidays to ensure time off with family and friends. * Spot Bonuses for Exceptional Performance: Rewarding outstanding contributions and achievements. SCHEDULE: This is a full-time position with consultants expected to be available and working onsite in Herndon, VA during core hours. Ready to take the next step in your career? Join us and be part of a team dedicated to driving positive change through technology. Apply now with our easy 3-minute, mobile-friendly initial application process. Your future starts here! About Ardent Principles, Inc. At Ardent Principles, we're more than just a technology company - we're a team of innovators, problem-solvers, and collaborators dedicated to pushing the boundaries of what's possible. Our mission is to empower organizations with transformative IT solutions and program management services, while our values of integrity, excellence, and teamwork guide everything we do. We foster a culture of open communication, where every voice is heard, and every idea is valued. Join us and be part of a company where your contributions truly make a difference. Apply Now Our Hiring Process Stage 2:
Phone Screen Stage 3:
Client Review Stage 4:
Offer Stage 5:
Hired Stage 1:
Application Review Stage 2:
Phone Screen Stage 3:
Client Review Stage 4:
Offer Stage 5:
Hired Stage 1:
Application Review Stage 2:
Phone Screen Stage 3:
Client Review Stage 4:
Offer Stage 5:
Hired * 1
* 2 Find out more Not quite right? Register your interest to be notified of any roles that come along that meet your criteria. Register Your Interest Apply Now Department
Data Analysis and Technology Services
Employment Type
Full Time
Location
Herndon, VA
Workplace type
Onsite View all opportunities at Ardent Principles, Inc. Apply Now Ardent Principles, Inc. Privacy Policy Cookies Powered by Cookies We use cookies to ensure you get the best experience on our website. Accept allReject all Settings Cookie preferences We use cookies to ensure the basic functionalities of the website and to enhance your online experience. You can choose for each category to opt-in/out whenever you want. For more details relative to cookies and other sensitive data, please read the full privacy policy. Strictly necessary cookiesStrictly necessary cookies These cookies are essential for the proper functioning of our website. Without these cookies, the website may not work properly.
NameDomainExpirationDescription
_pinpoint_session pinpointhq.com As soon as browser window is closed Allows us to associate file uploads to our file storage provider with your form submissions LSW_WEB ardentprinciples.pinpointhq.com As soon as browser window is closed Allows our load balancer to send your specific traffic to the same backend server LSW_WEB app.pinpointhq.com As soon as browser window is closed Allows our load balancer to send your specific traffic to the same backend server cc_cookie ardentprinciples.pinpointhq.com Six months Saves your decisions about these cookies so we don't need to ask every time Analytics and Performance cookiesAnalytics and Performance cookies These cookies allow the website to remember the choices you have made in the past
NameDomainExpirationDescription
ahoy_visitor pinpointhq.com Two years We use an internal metrics collector to understand interactions with our website over time ahoy_visit pinpointhq.com Four hours We use an internal metrics collector to understand interactions with our website over time Accept allReject all Save settings
Skills
Penetration Testing
REST
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