{"id":1991338,"url":"https://alion.io/job/grab-senior-security-engineer-red-team","title":"Senior Security Engineer, Red Team","company":{"id":158,"name":"Grab","domain":"grab.com","url":"https://alion.io/company/grab","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":46,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":27,"computed_at":"2026-10-10T05:45:15Z"}},"role":"Security","role_family":"Security","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Singapore"],"countries":["SG"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":64000,"max_usd":115000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":33},"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agentic Workflows","optional":false},{"name":"AI Agents","optional":false},{"name":"CI/CD","optional":false},{"name":"Linux","optional":false},{"name":"Red Teaming","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2026-10-07T04:57:50Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-12T03:04:04Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"About Grab and Our Workplace\nGrab is Southeast Asia's leading superapp. From getting your favourite meals delivered to helping you manage your finances and getting around town hassle-free, we've got your back with everything. In Grab, purpose gives us joy and habits build excellence, while harnessing the power of Technology and AI to deliver the mission of driving Southeast Asia forward by economically empowering everyone, with heart, hunger, honour, and humility.\n Get to Know the Team\nJoin Grab's Red Team & Threat Intel team, which helps improve the security posture of Grab's products, platforms, cloud environments, AI systems, and enterprise technology across Southeast Asia.\nThe team partners with Security, Engineering, Infrastructure, IT, and business teams. This partnership enables the team to emulate real-world adversaries, identify the highest-impact risks, and help Grab strengthen its preventive, detective, and response capabilities. The Threat Intel function brings external incident trends, adversary behaviours, and internal improvement opportunities into Grab's security priorities. This helps the team plan intelligence-led Purple Team exercises, advise leadership, and support risk prioritisation with the Vulnerability Management team. We work with curiosity, technical depth, and responsibility, using offensive security techniques and threat intelligence to make Grab safer for our users, partners, and Grabbers.\nGet to Know the Role\nYou will report to the Red Team & Threat Intel team leader and perform complex red team operations across cloud, CI/CD, endpoint, identity, application, and AI environments. You will design realistic attack simulations, develop offensive tooling, apply threat intelligence to Purple Team planning, and turn findings into practical improvements for engineering and security teams.\nThis role is based in Singapore. You will help shaping Grab's Red Team and Threat Intel capabilities, and influence how we use AI and automation to scale offensive security work responsibly. If you enjoy building tools, testing assumptions, and helping defenders get sharper, we will give you the platform to make a regional impact.\nThe Critical Tasks You Will Perform\nYou will manage end-to-end red team operations, and intelligence-led Purple Team exercises with the Blue Team. These exercises will emulate realistic adversary behaviour across multiple environments, including cloud infrastructure, CI/CD pipelines, identity systems, endpoints, and applications.\nYou will develop command-and-control tooling, implants, payload delivery mechanisms, and operator workflows for authorised security exercises.\nYou will red team AI systems, including internal copilots, agentic workflows, AI-assisted operational tools, and MLOps environments.\nYou will use AI tools to improve research, automation, payload development, reporting, operational planning, and analysis of defensive coverage.\nYou will translate red team findings and threat intelligence into clear engineering actions. You will partner with defenders, platform teams, and the Vulnerability Management team to improve detection, response, hardening, security architecture, and risk prioritisation.\nYou will work with other team members on offensive security tradecraft, tool development, operational safety, documentation, and responsible execution of adversary simulations.\nYou will contribute to the Red Team and Threat Intel roadmap. Your contributions will involve identifying the latest attack techniques and evaluating new tooling.\nYou will produce Threat Intel assessments from security incidents observed in the wild or improvement opportunities identified internally. Additionally, you will advise leadership on likely impact, priority, and next actions.\n What Essential Skills You Will Need\nYou will have 4 or more years of experience in offensive security, red teaming, security engineering, exploit development, cloud security, or adjacent technical security roles.\nYou will have hands-on experience developing command-and-control tooling, implants, loaders, payloads, or offensive automation.\nYou will have practical experience assessing CI/CD systems, source control platforms, build pipelines, artefact repositories, secrets handling, and deployment workflows.\nYou will have firm knowledge of cloud environments, including identity, networking, logging, container platforms, and common privilege escalation paths.\nYou will have experience assessing AI-enabled products, internal AI platforms, or agentic systems in adversarial scenarios, and using AI tools to improve security research, workflows, and output quality.\nYou will have experience producing or using Threat Intel to connect external incident trends, adversary tradecraft, and internal security signals to practical security decisions.\nKnowledge of the major 3 operating systems (Windows/Linux/macOS), endpoint internals, enterprise management, and defensive controls would be an added value\n Life at Grab\nWe care about your well-being at Grab, here are some of the global benefits we offer:\nWe have your back with Term Life Insurance and comprehensive Medical Insurance.\nWith GrabFlex, create a benefits package that suits your needs and aspirations.\nCelebrate moments that matter in life with loved ones through Parental and Birthday leave, and give back to your communities through Love-all-Serve-all (LASA) volunteering leave\nWe have a confidential Grabber Assistance Programme to guide and uplift you and your loved ones through life's challenges.\nBalancing personal commitments and life's demands are made easier with our FlexWork arrangements such as differentiated hours\nWhat We Stand For At Grab\nWe are committed to building an inclusive and equitable workplace that provides equal opportunity for Grabbers to grow and perform at their best. We consider all candidates fairly and equally regardless of nationality, ethnicity, race, religion, age, gender, family commitments, physical and mental impairments or disabilities, and other attributes that make them unique.","description_format":"text","description_chars":6055,"description_truncated":false,"requirements":{"experience_years_min":4,"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":["Health insurance","Life insurance"],"hiring_locations":[{"name":"Singapore","iso":"SG","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Penetration Testing","Commerce","Transportation & Logistics","Ride Hailing"],"lifecycle":[{"event":"open","at":"2026-10-07T06:33:06Z"}],"visa":[],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":3,"expected_fill_days":27,"reasons":["conf:2","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-10-10T05:45:15Z"},"pay":null,"html_url":"https://alion.io/job/grab-senior-security-engineer-red-team","json_url":"https://alion.io/job/grab-senior-security-engineer-red-team.json","meta":{"generated_at":"2026-10-12T03:18:27Z","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":5167,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-13T00:00:00Z"}},"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":158},"rest":"https://alion.io/mcp/rest/get_company?id=158"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fgrab-senior-security-engineer-red-team"},{"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%2Fgrab-senior-security-engineer-red-team"},{"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%2Fgrab-senior-security-engineer-red-team"},{"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/grab-senior-security-engineer-red-team\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fgrab-senior-security-engineer-red-team"}]}