Penetration Tester Leesburg, VA
Listed on 2026-04-17
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IT/Tech
Cybersecurity
Penetration Tester position at Fortreum, Leesburg, VA.
The OpportunityFortreum is a trusted leader in cloud and cybersecurity services. We are seeking a seasoned Penetration Tester to join our team. Your expertise in cloud penetration testing (FedRAMP and other compliance frameworks) and security best practices will be essential in helping our customers.
Key Responsibilities- Work closely with all members of the team to conduct penetration testing of customer networks, applications (API, web, and mobile), and/or social engineering activities to achieve the customer’s objectives of the engagement.
- Advise customers on details of vulnerabilities, remediation strategies, and compliance requirements.
- Prepare final deliverables for delivery to customers within established timelines.
- Establish and maintain positive relationships with customers and stakeholders.
- Coordinate project readiness with internal teams and customers.
- Pursue continuous professional development in by achieving industry specific certifications (must be willing to meet FedRAMP certification requirements as outlined by A2LA).
- Perform project readouts with customers to notify them of the outcome of their penetration test.
- Train and mentor junior team members.
- Interface with customers and other internal delivery team members through entire engagement, interacting will all levels of customer organizations.
- This is a customer facing role. Travel is expected to be limited in nature; however, you may be required to travel to client locations to deliver professional services periodically when needed.
- Bachelor’s Degree or 2+ years of equivalent experience
- 2 - 6+ years of penetration testing experience (scaled by level)
- Experience conducting web application and network penetration testing
- Proficiency in one or more scripting languages (bash, Python, Power Shell, Ruby, etc.)
- Strong grasp of penetration testing methodologies
- Familiarity with frameworks such as OWASP, MITRE ATT&CK, OSSTMM, and/or PTES
- Strong analytical and problem‑solving skills
- Ability to work in a consulting environment and manage multiple priorities
- Strong written and verbal communication skills
- Certifications such as GPEN, eCPPT, OSCP, OSWA, OSWE, or OSCE
- Ability to quickly assess new technologies and emerging attack vectors
- Ability to manage multiple priorities simultaneously
- Proven analytical and problem‑solving skills
- Ability to develop technical content (whitepapers, blog posts, etc.)
- Strong initiative, curiosity, and willingness to learn
- Ability to thrive in a fast‑paced, dynamic team
- Ability to develop and maintain strong relationships with team members and clients
- Familiarity with network architecture, protocols, and common technology stacks
- Ability to work in a team environment with compliance specialists who conduct security control assessments in parallel
- Comfortable supporting fast‑paced team environments
- Familiarity of penetration testing in cloud environments encompassing a variety of technology stacks
- Competitive compensation package, rewarded based on performance/outcomes.
- Medical, dental, and vision insurance.
- 401(k) with 5% employer match.
- Company‑paid short‑term and long‑term disability insurance.
- Company‑paid AD&D and life insurance.
- Flex time off and annual bonuses.
- Training stipends, certification reimbursements, and access to over 30,000 free online training courses.
- Personal cell phone allowance, new‑hire and annual home‑office stipends.
- Spot awards and eleven paid holidays.
Fortreum is an affirmative action and equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.
In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire.
Compensation Range: $95K - $155K
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