Penetration Tester, Practitioner

Crosslake Technologies

. Perform network-based penetration testing for our clients to identify, assess, and report on vulnerabilities in their public facing infrastructure.

Posted 4/27/2026full-timeRemote • 🇺🇸 United StatesMid-LevelSeniorWebsite

About the role

Key responsibilities & impact

Perform network-based penetration testing for our clients to identify, assess, and report on vulnerabilities in their public facing infrastructure.
Perform penetration testing on web applications and APIs (internal and external) to identify, assess, and report on vulnerabilities in their applications.
Perform red team exercises to determine where weaknesses in the client’s infrastructure and how it should be remediated.
Write clear, concise, effective deliverable reports for clients to help them understand their risk posture and how they can reduce it.
Advise clients on security best practices including application design, infrastructure architecture design, and other considerations.
Collaborate with other Crosslake practitioners to socialize penetration testing best practices.

Requirements

What you’ll need

Be an apprentice tester for your first 2 projects and then be willing and able to drive a project on your own to successful completion.
Participate in and drive penetration efforts on behalf of clients, collaborating, digging deep, and creating a report for the investors to outline technical vulnerability and risk.
Deliver at least one network, API, or web application penetration test every week.
Work with private equity companies and other investment firms to help them understand the existing technology risks and vulnerabilities that exist in their environment or portfolio.
Collaboratively work in partnership with internal and client technical leads and team members to ensure that planning and execution of penetration testing efforts occur in a timely fashion and reports are of high quality.

Benefits

Comp & perks

🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account Crosslake Technologies Website LinkedIn All Job Openings 201 - 500 employees 💸 Finance Consulting
Finance
Technology Crosslake Technologies is a global advisory firm that specializes in serving private equity investors and their portfolio companies. The company focuses on technology due diligence, digital transformation strategy, and technology value creation. Crosslake Technologies provides executive leadership consulting through the private equity investment lifecycle, offering expertise in security, architecture, engineering alignment, and Software Development Life Cycle (SDLC) processes. They also provide interim leadership roles for CTOs, CISOs, CIOs, and chief engineers. Their proprietary platform delivers actionable insights to guide critical technology decisions, informed by data from over 4,000 technology M&A transactions. Their mission is to support private equity through the M&A investment lifecycle by optimizing technology and creating value across portfolio operations. Penetration Tester, Practitioner Job not on LinkedIn 🔥 0 minutes ago 🇺🇸 United States – Remote ⏰ Full Time 🟡 Mid-level 🟠 Senior 🔧 QA Engineer (Quality Assurance) Apply Now Find Hiring Managers Customize resume for this job Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
Perform network-based penetration testing for our clients to identify, assess, and report on vulnerabilities in their public facing infrastructure.
Perform penetration testing on web applications and APIs (internal and external) to identify, assess, and report on vulnerabilities in their applications.
Perform red team exercises to determine where weaknesses in the client’s infrastructure and how it should be remediated.
Write clear, concise, effective deliverable reports for clients to help them understand their risk posture and how they can reduce it.
Advise clients on security best practices including application design, infrastructure architecture design, and other considerations.
Collaborate with other Crosslake practitioners to socialize penetration testing best practices. 🎯 Requirements
Be an apprentice tester for your first 2 projects and then be willing and able to drive a project on your own to successful completion.
Participate in and drive penetration efforts on behalf of clients, collaborating, digging deep, and creating a report for the investors to outline technical vulnerability and risk.
Deliver at least one network, API, or web application penetration test every week.
Work with private equity companies and other investment firms to help them understand the existing technology risks and vulnerabilities that exist in their environment or portfolio.
Collaboratively work in partnership with internal and client technical leads and team members to ensure that planning and execution of penetration testing efforts occur in a timely fashion and reports are of high quality. Apply Now 📊 Check your resume score for this job Improve your chances of getting an interview by checking your resume score before you apply. Check Resume Score Similar Jobs QA Engineer 🔥 4 hours ago Sweed POS 11 - 50 🛒 Retail 🛍️ eCommerce 🤝 B2B Website LinkedIn All Job Openings QA Engineer focusing on manual testing for complex software products in the cannabis retail industry. Collaborate with teams to ensure quality and scalability in a fast-paced environment. 🇺🇸 United States – Remote ⏰ Full Time 🟡 Mid-level 🟠 Senior 🔧 QA Engineer (Quality Assurance) QA/QC Specialist 🕒 Yesterday CLEAResult 1001 - 5000 ⚡ Energy 📚 Education Website LinkedIn All Job Openings Residential QA&QC Specialist ensuring compliance of energy efficiency projects at CLEAResult. Conducting inspections and audits while coordinating with stakeholders and maintaining program integrity. 🇺🇸 United States – Remote 💵 $26 - $39 / hour 💰 Private Equity Round on 2013-06 ⏰ Full Time 🟠 Senior 🔴 Lead 🔧 QA Engineer (Quality Assurance) 🦅 H1B Visa Sponsor Quality Assurance RN – LTC 🕒 Yesterday Centene Corporation 10,000+ employees ⚕️ Healthcare Insurance 🤝 Non-profit 🌍 Social Impact Website LinkedIn All Job Openings Clinical Quality Assurance RN at Centene conducting audits and training staff in Long Term Care. Responsible for ensuring adherence to policies and regulatory standards while maintaining data integrity. 🇺🇸 United States – Remote 💵 $70.1k - $126.2k / year ⏰ Full Time 🟡 Mid-level 🟠 Senior 🔧 QA Engineer (Quality Assurance) 🗣️🇪🇸 Spanish Required 🗣️🇫🇷 French Required 🗣️🇷🇺 Russian Required 🗣️🇮🇳 Hindi Required 🗣️🇨🇳 Chinese Required Senior Performance Testing Engineer 🕒 Yesterday Centene Corporation 10,000+ employees ⚕️ Healthcare Insurance 🤝 Non-profit 🌍 Social Impact Website LinkedIn All Job Openings Senior Performance Testing Engineer at Centene implementing performance testing to enhance healthcare technology. Optimizing systems reliability and scalability with automated tools and best practices. 🇺🇸 United States – Remote 💵 $87k - $161.3k / year ⏰ Full Time 🟠 Senior 🔧 QA Engineer (Quality Assurance) Cloud Java Kafka Kubernetes Python SDLC Splunk Senior Manager, CQA 🕒 2 days ago Arcus Biosciences 501 - 1000 Website LinkedIn All Job Openings Senior Manager of Clinical Quality Assurance overseeing GCP compliance and managing QA operations for clinical studies at Arcus Biosciences. 🇺🇸 United States – Remote 💵 $165k - $180k / year ⏰ Full Time 🟠 Senior 🔧 QA Engineer (Quality Assurance) 🦅 H1B Visa Sponsor Google Cloud Platform Vault View More QA Engineer Jobs 🌐 Worldwide Built by Lior Neu-ner. I'd love to hear your feedback — Get in touch via DM or support@remoterocketship.com Search Search Jobs by country Search jobs by city Search jobs by job title Search entry-level jobs Search junior-level jobs Search senior-level jobs Search jobs by tech stack Search jobs by contract type Search remote internships Search remote part-time jobs Remote jobs Anywhere in the World Companies Hiring Anywhere in the World Companies Hiring Sales People Anywhere in the World Companies Hiring Software Engineers Anywhere in the World Resources Advice Tips for finding remote jobs Interview questions and answers Resume examples Cover letter examples Post a job Affiliates Privacy policy Terms of service Job board SEO course AI Apply Copilot OpenClaw job finder Jobs by Country Remote jobs anywhere in the world (Worldwide remote jobs) Remote jobs United States Remote jobs Australia Remote jobs Brazil Remote jobs Canada Remote jobs France Remote jobs Ireland Remote jobs Germany Remote jobs Netherlands Remote jobs Spain Remote jobs UK Popular Jobs Remote data analyst jobs Remote customer support jobs Remote executive assistant jobs Remote marketing jobs Remote product designer jobs Remote product manager jobs Remote project manager jobs Remote recruiter jobs Remote sales jobs Remote software engineer jobs Jobs by Type Remote full-time jobs Remote part-time jobs Remote contract jobs Remote internship jobs Remote entry-level jobs Remote jobs with no experience required Remote junior jobs (1-3 years of experience) Digital nomad jobs Remote jobs with no degree required Freelance remote jobs Temporary remote jobs Remote jobs hiring now Stay at home mom jobs

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Hard Skills & Tools

penetration testingnetwork-based testingweb application testingAPI testingred team exercisesvulnerability assessmentrisk reportingsecurity best practicesapplication designinfrastructure architecture design

Soft Skills

collaborationcommunicationreport writingproject managementproblem-solvingattention to detailclient advisoryteamworkdriving projectstimely execution