{"id":155726,"url":"https://alion.io/job/ares-group-penetration-tester-security-engineer-mf","title":"Penetration Tester / Security Engineer (m/f)","company":{"id":54633,"name":"Arhs Group","domain":"arhs-group.com","url":"https://alion.io/company/ares-group","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":75,"open_postings":7,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":49,"computed_at":"2026-10-19T05:45:15Z"}},"role":"Security","role_family":"Security","seniority":"junior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Luxembourg City, Luxembourg"],"countries":["LU"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":49000,"max_usd":139000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":528},"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Burp Suite","optional":false},{"name":"C++","optional":false},{"name":"Java","optional":false},{"name":"Kali Linux","optional":false},{"name":"Linux","optional":false},{"name":"Machine Learning","optional":false},{"name":"Metasploit","optional":false},{"name":"MITRE ATT&CK","optional":false},{"name":"Nessus","optional":false},{"name":"Nmap","optional":false},{"name":"OWASP Top 10","optional":false},{"name":"PHP","optional":false},{"name":"Python","optional":false},{"name":"Red Teaming","optional":false}],"status":"live","first_seen_at":"2026-07-07T10:54:25Z","employer_posted_date":"2026-07-07","last_verified_at":"2026-10-19T07:39:14Z","board_verified":true,"closed_at":null,"days_open":103,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":103},"description":"Arηs Group, Part of Accenture, specializes in the management of complex public sector IT projects, including systems integration, informatics and analytics, solution implementation and program management. Our team helps lead clients through digital and information systems design, bringing expertise in a variety of areas ranging from software development, data science and security management to machine learning, cloud, and mobile development.\nArηs Group was acquired by Accenture in July 2024.\n ARHS Group, part of Accenture, is looking for a Penetration Tester / Security Engineer (m/f) to join our Security Team in Luxembourg.\nIf you enjoy identifying vulnerabilities, assessing application and infrastructure security, and staying up to date with the latest attack techniques, we'd be happy to meet you. You'll work on a variety of security projects while collaborating with experienced security professionals in an international environment.\nTHE WORK:\nPerform automated and manual penetration testing of web and mobile applications, as well as cloud and on-premises infrastructures.\nContribute to the continuous improvement of secure software development practices and promote security throughout the development lifecycle.\nIdentify security weaknesses and propose mitigation strategies or secure architectural improvements.\nAnalyze customer security requirements and recommend appropriate technical solutions.\nEvaluate and improve penetration testing methodologies and security processes.\nPrepare clear and concise technical reports with findings and recommendations.\nCollaborate with developers and security engineers to improve the overall security posture of applications and infrastructures.\nShare knowledge, contribute to team learning, and drive continuous improvement initiatives.\nOur roles require in-person time to encourage collaboration, learning, and relationship-building with colleagues and communities. As an employer, we will be as flexible as possible to support your specific work/life needs.\nHERE'S WHAT YOU'LL NEED:\nMaster's degree in Computer Science, Information Security, or a related field is preferred.\nMinimum 2 years of experience in penetration testing or application security.\nExperience performing internal penetration tests and/or participating in Red Team exercises.\nGood knowledge of penetration testing tools such as Burp Suite Professional, Nmap, Metasploit, Nessus, and Kali Linux.\nGood understanding of:\nOWASP Top 10\nMITRE ATT&CK\nDevSecOps and Secure SDLC principles\nOSI/TCP networking concepts\nCloud security principles (AWS/Azure)Familiarity with one or more programming or scripting languages such as Java, C/C++, PHP, or Python.\nStrong analytical, problem-solving, and communication skills.\nCuriosity, creativity, and willingness to continuously learn new technologies and attack techniques.\nExperience working in Agile environments.\n• Fluency in English (written and spoken).\n\nBONUS POINTS IF YOU HAVE:\nExperience developing custom exploits or participating in bug bounty platforms such as HackerOne, Hack The Box, or TryHackMe.\nPrevious experience as a software developer.\nOne or more of the following certifications:\nOSCP\nOSWE\neCPPTv2\nCHFI\nGIAC GPEN\nAWS Certified Security - Specialty\nAzure Security Engineer Associate","description_format":"text","description_chars":3270,"description_truncated":false,"requirements":{"experience_years_min":2,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"master","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Penetration Testing","Digital Government","IT Consulting & Digital Transformation","Custom Software Development"],"lifecycle":[{"event":"open","at":"2026-07-07T10:54:25Z"}],"visa":[],"liveness":{"score":12,"band":"cold","label":"Long shot","p_open":1,"p_active":0.427,"p_room":0.28,"age_days":103,"expected_fill_days":49,"reasons":["conf:1","velocity","win:tail","crowd:junior"],"computed_at":"2026-10-19T05:45:15Z"},"pay":null,"html_url":"https://alion.io/job/ares-group-penetration-tester-security-engineer-mf","json_url":"https://alion.io/job/ares-group-penetration-tester-security-engineer-mf.json","meta":{"generated_at":"2026-10-19T08:40:55Z","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":5837,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-20T00:00:00Z"}},"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":54633},"rest":"https://alion.io/mcp/rest/get_company?id=54633"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fares-group-penetration-tester-security-engineer-mf"},{"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%2Fares-group-penetration-tester-security-engineer-mf"},{"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%2Fares-group-penetration-tester-security-engineer-mf"},{"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/ares-group-penetration-tester-security-engineer-mf\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fares-group-penetration-tester-security-engineer-mf"}]}