Penetration Tester
Cyber Defense Technologies
Overview: CDT is looking for a Penetration Tester to This will be supporting a government customer onsite in Chantilly, VA. Candidates with OSCP certification are highly recommended to apply.
Clearance: An active Top Secret/SCI with CI poly is required. Candidates who do not meet these requirements will not be considered.
Responsibilities:
Why Join Cyber Defense Technologies?
At CDT, we offer a collaborative and inclusive work environment where your expertise in Penetration Testing will help shape the future of cybersecurity and engineering solutions.
Compensation and Benefits:
CDT is committed to hiring and retaining a diverse workforce. We are an Equal Opportunity employer making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class.
Apply Now:
If you are a proactive Penetration Tester and thrive in dynamic environments, we encourage you to apply and join the CDT team!
Clearance: An active Top Secret/SCI with CI poly is required. Candidates who do not meet these requirements will not be considered.
Responsibilities:
- Conduct penetration testing that uses both active and passive capabilities to expose and exploit IA vulnerabilities.
- Review and evaluate information systems and recommend changes to the Government that can improve information confidentiality, integrity and availability.
- Responsible for performing security focused services to improve security posture.
- Conduct test and evaluations of software, hardware, networks and applications.
- Reviews of the documents to ensure completeness and compliance with the RMF process, ICD 503 requirements, and/or other applicable regulations.
- High School Diploma/GED, Associates Degree and 5 years of relevant work experience.
- Bachelor's Degree and 3 years of relevant work experience.
- Experience in cyber security with a focus on red teaming, penetration testing, or threat hunting.
- Strong understanding of network protocols and troubleshooting, server and workstation operating systems, exploits and vulnerabilities.
- Strong working knowledge of common penetration tools, tactics, techniques, and procedures.
- Experience with cloud environments.
- Strong understanding of penetration testing methodologies (MITRE ATT&CK, OWASP).
- Ability to incorporate threat intelligence data into attached or penetration testing scenarios.
- Excellent problem solving and troubleshooting skills with a strong attention to detail.
- Ability to read/write code using interpreted languages (Python, PHP, Ruby, etc.).
- Experience with simulated/emulated environments and/or virtualization technologies.
- Experience with orchestration tools and virtualization environments (Docker, Kubernetes, etc.).
- Experience with industrial control systems deployment, security best practices, vulnerabilities, and penetration testing.
- ICD 503 and the Government's certification and accreditation process.
- Networks, computer components, system protocols, and COTS technology.
- System methodologies including: client/server, web hosting, web content servers, policy servers, directory servers, firewalls, WAN, MAN, LAN, switches, and routers.
- Software integration of COTS and Government Off-the-Shelf (GOTS) products.
- Windows, Linux, Unix, and Mac OS X administration.
- VMware, Xen, Hyper V and other virtualization platforms.
- Configuring and supporting Windows, Linux, Unix, Mac OS, and other operating systems, VMware, Xen, Hyper V and other virtualization platforms.
- Experience in Software engineering, program design and implementation, configuration management, system maintenance, integration testing, Information system engineering.
- System certification activities and efforts related to system certification and accreditation.
- Research, develop, and maintain knowledge of penetration testing tools, tactics, techniques, and procedures.
- Research, development, integration, and distribution of information systems security tools and associated documentation
- Security procedures for systems and software within area of expertise to ensure consistent security policy implementation.
- Experience in technical project management.
- Education relevant to computer engineering, information security, information management, cyber security, and/or computer science
Why Join Cyber Defense Technologies?
At CDT, we offer a collaborative and inclusive work environment where your expertise in Penetration Testing will help shape the future of cybersecurity and engineering solutions.
Compensation and Benefits:
- Competitive salary based on experience.
- Comprehensive benefits package, including health, dental, and retirement plans.
- Opportunities for professional development and career advancement.
CDT is committed to hiring and retaining a diverse workforce. We are an Equal Opportunity employer making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class.
Apply Now:
If you are a proactive Penetration Tester and thrive in dynamic environments, we encourage you to apply and join the CDT team!
Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Penetration Tester in Chantilly, Loudoun County, VA vacancy
$150k - $195k
...Overview VTG is looking for multiple levels (Level 2, 3 & 4) of a Penetration Tester in Chantilly VA and Aurora CO. (Note: position is contingent upon program award and the postions are located in Chantilly VA & Auroro CO) A Penetration Tester (Pen Tester) is a security...SuggestedWork experience placement$113.2k - $237.8k
...Job Title: Penetration Tester Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None Type of Travel: None The Opportunity: Perform computer...SuggestedFull timeContract workWork experience placementImmediate startFlexible hours- ...Overview: CDT is looking for an experienced Penetration Tester/Red Team Security Engineer to support a government customer in Chantilly, VA. As a senior member of the Red Team, you will be responsible to lead in the design and execution of adversarial based security...SuggestedWork experience placement
- ...Penetration Tester LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly skilled and proactive Penetration Tester to join our cybersecurity team. In...SuggestedTemporary workFor contractorsImmediate startFlexible hours
- ...Overview: CDT is looking for a Red Team Operator/ Cloud Penetration Tester to support a government customer onsite in Chantilly, VA. The ideal candidate possesses a deep understanding for information security, computer network operations, and cloud infrastructure, particularly...Suggested
$87.1k - $157.45k
...collects, investigates, and reports any suspected and confirmed securityviolations. Weareseekinga highly skilled and experienced Penetration Tester to join our team supportingtheCBP SOC. Thiscandidate willbe responsible forconducting comprehensive security...Local areaImmediate start- ...Principal Penetration Tester Altus Consulting seeks a seasoned cybersecurity professional to spearhead our penetration testing initiatives. As a key member of our elite team, you'll play a crucial role in safeguarding some of the world's most critical digital infrastructure...
$86.8k - $198k
...Job Number: R0233826 Penetration Tester The Opportunity : Conduct testing and analysis to identify vulnerabilities and potential threat vectors in systems and networks, develop exploits, and engineer attack methodologies.Apply advanced advising skills, extensive...Full timeContract workPart timeWork at officeLocal areaRemote work$86.8k - $198k
...Penetration Tester Conduct testing and analysis to identify vulnerabilities and potential threat vectors in systems and networks, develop exploits, and engineer attack methodologies. Apply advanced advising skills, extensive technical expertise, and full industry knowledge...Full timeContract workPart timeLocal area$104.8k - $192.2k
...Join EY and help to build a better working world. Government and Public Sector – Technology Consulting - Cybersecurity – Penetration Tester – Senior From strategy to execution, the Government & Public Sector practice (“GPS”) of Ernst & Young provides a full range...For contractorsWork experience placementSummer holidayWork at officeLocal areaFlexible hours$86k - $138k
...Penetration Tester, Senior Job Locations US-VA-Herndon Requisition ID 2026-165356 Position Category Cyber Security Clearance Top Secret/SCI Responsibilities We are seeking a highly skilled and innovative Penetration...Contract workShift work- ...Senior ISSE/Lead Penetration Tester Break the System to Build a Stronger One Join BAE Systems, a global leader in defense and aerospace, where your skills in offensive security protect the world's most critical infrastructure. We are looking for a Senior ISSE/Lead...
$86.8k - $198k
...Enterprise Cybersecurity Penetration Tester The Opportunity: Are you ready to make a meaningful impact at Booz Allen? As a pivotal member of our Enterprise Cybersecurity (ECS) Red Team, you will take on a specialized role as a penetration tester, working directly...Full timeContract workPart timeWork at officeLocal areaRemote work- A woman-owned IT solutions firm based in Virginia seeks a Penetration Tester to establish and execute penetration testing programs. The role involves developing testing plans and coordinating tests across applications and environments. Candidates should possess strong...
- ...short-term and long-term disability insurance, paid time off, training and professional development assistance. YSI is seeking a Penetration Tester. The ideal candidate will be responsible for the following: This role supports the establishment and execution of an...Temporary workImmediate startRemote work
$130k - $145k
Dark Wolf is actively seeking an experienced Penetration Tester to join our innovative team. This individual will play a critical role in assessing and enhancing the security of various products, including hardware, software, and embedded systems. This role demands...Hourly pay$131.3k - $237.35k
...our team supportingCBP.As the leader of this highly technical Penetration Testing Team supporting CBP, youwill be responsible formanaging... ...skills and the ability toleada teamofskilled penetration testers. Primary Responsibilities: Responsible for managing the...Work at officeLocal areaImmediate start- ...NAVA Software solutions is looking for Penetration Tester - Security Management Specialist Details: Security Management Specialist (Penetration Tester) Location: Manassas, VA - Hybrid Duration: 12 months Note: Onsite Interview Mandatory...
$135k - $216k
Cyber Threat (Forensics) Analyst Peraton is looking for a Cyber Threat (Forensics) Analyst to support one of our longstanding customers. This autonomous role supports active operations and presents the candidate with cutting edge challenges in the digital forensic arena...Contract workShift work$100k - $210k
...Job Description Job Description Task Force Talent is seeking a Penetration Tester with an active TS/SCI FSP security clearance . Target salary range is $100K - $210K , depending on experience level. Our client for this role is a small company with very unique...Full timeContract workFor contractorsWork at office- Benefits: Life/STD/LTD FSA/DCA 401(k) Employee discounts Paid time off 401(k) matching Dental insurance Health insurance Tuition assistance Vision insurance Description Looking for a place that invests in you from day one? At DANE, we offer...Full timeWork from homeFlexible hours1 day per week
- ...and report-writing abilities DESIRED SKILLS Knowledge of cloud security practices (e.g., AWS, Azure) Familiarity with penetration testing results interpretation Experience in managing classified information systems Understanding of advanced threat...Temporary workFor contractorsImmediate startFlexible hours
- Overview TUNUVA Technologies (a wholly owned subsidiary of VTG) seeks to hire an Information Systems Security Officer (ISSO) in Chantilly, VA to monitor and maintain systems security on operational systems such as malicious code eradication, configuration management,...Civilian Contractor
- Overview : CDT is looking to add a Senior or SME Information Systems Security Officer III to provide advice and assistance to secure configuration and operations to the customer's IT assets. Level 3 ISSOs apply extensive knowledge and experience of a variety of information...For contractorsWork experience placement
- Who is Fusion Technology? Fusion Technology is a performance-driven HUBZone Small Business concern residing in the heart of the beautiful mountainsides of West Virginia, steps away from the Federal Bureau of Investigation's Criminal Justice Information Services Division...Temporary workWork at office
- Overview : CDT is looking to add a Information Systems Security Officer (ISSO) to provide advice and assistance to secure configuration and operations to the customer's IT assets. This position will be onsite in Chantilly, VA. Clearance : An active Top Secret...For contractorsWork experience placementLocal area
- Knack Works is seeking a qualified ISSO to guide the implementation of security requirements, accreditation and monitoring of hardware and software systems. The successful candidate will have demonstrated experience working the Risk Management Framework with Department...Contract workFor contractors
$90.3k - $189.6k
Job Title: Information System Security Officer (ISSO) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * ...Full timeContract workWork experience placementLocal areaFlexible hours- Overview : CDT is looking to add a Information Systems Security Officer (ISSO) to provide advice and assistance to secure configuration and operations to the customer's IT assets. This position will be onsite in Chantilly, VA. Clearance : An active Top Secret...For contractorsWork experience placementLocal area
- ...DESIRED SKILLS Experience with cloud security models Knowledge of identity and access management (IAM) Familiarity with penetration testing tools Understanding of secure software development practices Proficiency in scripting for security automation (e.g....Temporary workFor contractorsImmediate startFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Penetration Tester. Be the first to apply!

