{"id":3751179,"url":"https://alion.io/job/link-group-senior-penetration-tester-mobile","title":"Senior Penetration Tester (Mobile)","company":{"id":880,"name":"Link Group","domain":"linkgroup.co","url":"https://alion.io/company/link-group","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":"Recruitify","truth_index":{"grade":"B","score":83,"open_postings":92,"ghost_share":0,"stale_share":0.696,"repost_share":0,"time_to_fill_p50_days":44,"computed_at":"2026-11-06T05:58:05Z"}},"role":"Security","role_family":"Security","seniority":"senior","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Poland"],"countries":["PL"],"hiring_countries":["PL"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"OWASP","optional":false},{"name":"OWASP Top 10","optional":false},{"name":"Active Directory","optional":true}],"status":"live","first_seen_at":"2026-11-04T14:03:08Z","employer_posted_date":"2026-11-04","last_verified_at":"2026-11-06T15:43:29Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"About the role\nWe are looking for a skilled Senior Penetration Tester with a strong focus on mobile application security testing and a solid understanding of web application security.\nThe primary focus of this role will be conducting hands-on security assessments of mobile applications across Android and iOS platforms. The ideal candidate should demonstrate strong practical mobile penetration testing skills, an analytical mindset and the ability to identify and investigate complex security vulnerabilities.\nWe are particularly interested in candidates holding the OSCP certification and having substantial hands-on experience in mobile application security testing. Good knowledge of web application penetration testing is also essential.\nWe value practical skills, technical expertise and the quality of the candidate's testing approach over a specific number of years of professional experience.\nKey responsibilities\nPlan and perform manual and automated penetration tests of mobile applications, covering both Android and iOS.\nIdentify and investigate security weaknesses in mobile application architecture, authentication, authorization, data storage, encryption and network communication.\nConduct security assessments of web applications and APIs.\nApply a combination of manual testing techniques and automated security tools to identify potential vulnerabilities.\nAnalyse attack scenarios, validate findings and assess their potential business and technical impact.\nDevelop proof-of-concept demonstrations where appropriate to support vulnerability validation.\nPrepare clear and comprehensive security assessment reports with practical remediation recommendations.\nCollaborate with development and security teams to support vulnerability resolution.\nPerform retesting to verify the effectiveness of implemented security fixes.\nContinuously improve testing methodologies, tools and technical practices.\nRequirements\n OSCP certification (highly preferred) or equivalent practical penetration testing expertise.\n Strong hands-on experience in mobile application penetration testing, particularly across Android and iOS platforms.\nExcellent understanding of mobile application security concepts, common vulnerabilities and attack techniques.\nAbility to independently plan and execute mobile security assessments using both manual and automated testing approaches.\nGood practical experience in web application penetration testing.\nSolid understanding of web application vulnerabilities, authentication mechanisms, authorization issues and API security.\nFamiliarity with OWASP testing methodologies, including OWASP Mobile Top 10, OWASP MASVS and OWASP Top 10.\nExperience with commonly used mobile and web security testing tools.\nStrong analytical and problem-solving skills, with the ability to investigate vulnerabilities beyond automated scanner results.\nAbility to communicate technical findings clearly and provide actionable remediation guidance.\nGood written and spoken English.\nNice to have\nExperience in network and infrastructure penetration testing.\nKnowledge of cloud security and Active Directory.\nExperience with source code reviews and security assessments of application architecture.\nScripting and automation skills.\nKnowledge of additional penetration testing methodologies and frameworks.\nCandidate profile\nThe ideal candidate is a hands-on security professional with a genuine specialisation in mobile application penetration testing.\nWe are looking for someone who understands how to approach mobile security assessments, can independently identify and investigate vulnerabilities, and has the technical skills to go beyond basic automated testing.\nStrong mobile testing capabilities are the main priority for this position, complemented by good web application security knowledge.\nWe do not define suitability solely by the number of years of experience. We place greater emphasis on practical technical capabilities, the quality of the candidate's testing approach and the ability to deliver meaningful security findings.","description_format":"text","description_chars":4049,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Poland","iso":"PL","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Penetration Testing","IT Outsourcing & Dedicated Teams","Managed IT Services (MSP)","IT Staffing & Staff Augmentation"],"lifecycle":[{"event":"open","at":"2026-11-04T15:17:43Z"}],"visa":[],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":1,"expected_fill_days":44,"reasons":["conf:3","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-11-06T05:58:05Z"},"pay":null,"html_url":"https://alion.io/job/link-group-senior-penetration-tester-mobile","json_url":"https://alion.io/job/link-group-senior-penetration-tester-mobile.json","meta":{"generated_at":"2026-11-06T16:32:47Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":30714,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-07T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":880},"rest":"https://alion.io/mcp/rest/get_company?id=880"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Flink-group-senior-penetration-tester-mobile"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Flink-group-senior-penetration-tester-mobile"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Flink-group-senior-penetration-tester-mobile"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/link-group-senior-penetration-tester-mobile\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Flink-group-senior-penetration-tester-mobile"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3751179}},{"tool":"search_jobs","arguments":{"company":"linkgroup.co","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3751179},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. Docs: https://alion.io/developers"}}